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AppFlowPost/FITK_Interface/FITKInterfaceCFDPost/vtkCGNSReader.cxx

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1、初始化代码；
3 weeks ago
/*=========================================================================
Program: Visualization Toolkit
Module: vtkCGNSReader.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// Copyright 2013-2014 Mickael Philit.
#ifdef _WINDOWS
// the 4211 warning is emitted when building this file with Visual Studio 2013
// for an SDK-specific file (sys/stat.inl:57) => disable warning
#pragma warning(push)
#pragma warning(disable : 4211)
#endif
#include "vtkCGNSReader.h"
#include "vtkCGNSReaderInternal.h" // For parsing information request
#include "vtkAssume.h"
#include "vtkCGNSCache.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkCharArray.h"
#include "vtkCommand.h"
#include "vtkDataArraySelection.h"
#include "vtkDoubleArray.h"
#include "vtkErrorCode.h"
#include "vtkExtractGrid.h"
#include "vtkFloatArray.h"
#include "vtkIdTypeArray.h"
#include "vtkInformation.h"
#include "vtkInformationStringKey.h"
#include "vtkInformationVector.h"
#include "vtkIntArray.h"
#include "vtkLongArray.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkMultiProcessController.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyhedron.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkStructuredGrid.h"
#include "vtkTypeInt32Array.h"
#include "vtkTypeInt64Array.h"
#include "vtkUnsignedIntArray.h"
#include "vtkUnstructuredGrid.h"
#include "vtkVertex.h"
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <functional>
#include <iterator>
#include <map>
#include <set>
#include <sstream>
#include <stdexcept>
#include <string.h>
#include <string>
#include <vector>
#include <vtksys/RegularExpression.hxx>
#include <vtksys/SystemTools.hxx>
#include "cgio_helpers.h"
vtkInformationKeyMacro(vtkCGNSReader, FAMILY, String);
vtkStandardNewMacro(vtkCGNSReader);
namespace
{
/**
* A quick function to check if vtkIdType can hold the value being
* saved into vtkIdType
*/
template <class T>
bool IsIdTypeBigEnough(const T& val)
{
(void)val;
return (sizeof(vtkIdType) >= sizeof(T) || static_cast<T>(vtkTypeTraits<vtkIdType>::Max()) >= val);
}
struct duo_t
{
duo_t()
{
pair[0] = 0;
pair[1] = 0;
}
int& operator[](std::size_t n) { return pair[n]; }
private:
int pair[2];
};
class SectionInformation
{
public:
CGNSRead::char_33 name;
CGNS_ENUMT(ElementType_t) elemType;
cgsize_t range[2];
int bound;
cgsize_t eDataSize;
};
//------------------------------------------------------------------------------
/**
*
* let's throw this for CGNS read errors. This is currently only used by
* BCInformation.
*/
class CGIOError : public std::runtime_error
{
public:
CGIOError(const std::string& what_arg)
: std::runtime_error(what_arg)
{
}
};
class CGIOUnsupported : public std::runtime_error
{
public:
CGIOUnsupported(const std::string& what_arg)
: std::runtime_error(what_arg)
{
}
};
#define CGIOErrorSafe(x) \
if (x != CG_OK) \
{ \
char message[81]; \
cgio_error_message(message); \
throw CGIOError(message); \
}
//------------------------------------------------------------------------------
/**
* Class to encapsulate information provided by a BC_t node.
* Currently, this is only use for the Structured I/O code.
*/
class BCInformation
{
public:
char Name[CGIO_MAX_NAME_LENGTH + 1];
std::string FamilyName;
CGNS_ENUMT(GridLocation_t) Location;
std::vector<vtkTypeInt64> PointRange;
/**
* Reads info from a BC_t node to initialize the instance.
*
* @param[in] cgioNum Database identifier.
* @param[in] nodeId Node identifier. Must point to a BC_t node.
*/
BCInformation(int cgioNum, double nodeId)
{
CGIOErrorSafe(cgio_get_name(cgioNum, nodeId, this->Name));
char dtype[CGIO_MAX_DATATYPE_LENGTH + 1];
CGIOErrorSafe(cgio_get_data_type(cgioNum, nodeId, dtype));
dtype[CGIO_MAX_DATATYPE_LENGTH] = 0;
if (strcmp(dtype, "C1") != 0)
{
throw CGIOError("Invalid data type for `BC_t` node.");
}
std::string bctype;
CGNSRead::readNodeStringData(cgioNum, nodeId, bctype);
if (bctype != "FamilySpecified")
{
throw CGIOUnsupported(
std::string("BC_t type '") + bctype + std::string("' not supported yet."));
}
std::vector<double> childrenIds;
CGNSRead::getNodeChildrenId(cgioNum, nodeId, childrenIds);
for (auto iter = childrenIds.begin(); iter != childrenIds.end(); ++iter)
{
char nodeName[CGIO_MAX_NAME_LENGTH + 1];
char nodeLabel[CGIO_MAX_LABEL_LENGTH + 1];
CGIOErrorSafe(cgio_get_name(cgioNum, *iter, nodeName));
CGIOErrorSafe(cgio_get_label(cgioNum, *iter, nodeLabel));
if (strcmp(nodeName, "PointList") == 0)
{
throw CGIOUnsupported("'PointList' BC is not supported.");
}
else if (strcmp(nodeName, "PointRange") == 0)
{
CGNSRead::readNodeDataAs<vtkTypeInt64>(cgioNum, *iter, this->PointRange);
}
else if (strcmp(nodeLabel, "FamilyName_t") == 0)
{
CGNSRead::readNodeStringData(cgioNum, *iter, this->FamilyName);
if (!this->FamilyName.empty() && this->FamilyName[0] == '/')
{
// This is a family path
std::string::size_type pos = this->FamilyName.find('/', 1);
if (pos != std::string::npos)
{
this->FamilyName = this->FamilyName.substr(pos + 1);
}
}
}
else if (strcmp(nodeLabel, "GridLocation_t") == 0)
{
std::string location;
CGNSRead::readNodeStringData(cgioNum, *iter, location);
if (location == "Vertex")
{
this->Location = CGNS_ENUMV(Vertex);
}
else if (location == "IFaceCenter")
{
this->Location = CGNS_ENUMV(IFaceCenter);
}
else if (location == "JFaceCenter")
{
this->Location = CGNS_ENUMV(JFaceCenter);
}
else if (location == "KFaceCenter")
{
this->Location = CGNS_ENUMV(KFaceCenter);
}
else if (location == "FaceCenter")
{
this->Location = CGNS_ENUMV(FaceCenter);
}
else if (location == "CellCenter")
{
this->Location = CGNS_ENUMV(CellCenter); // Volumic Boundary Condition
}
else
{
throw CGIOUnsupported("Unsupported location " + location);
}
}
}
CGNSRead::releaseIds(cgioNum, childrenIds);
}
~BCInformation() = default;
// Create a new dataset that represents the patch for the given zone.
vtkSmartPointer<vtkDataSet> CreateDataSet(int cellDim, vtkStructuredGrid* zoneGrid) const
{
// We need to extract cells from zoneGrid based on this->PointRange.
// We'll use vtkExtractGrid, which needs VOI in point extents.
vtkNew<vtkExtractGrid> extractVOI;
int voi[6] = { 0, 0, 0, 0, 0, 0 };
this->GetVOI(voi, cellDim);
extractVOI->SetInputDataObject(zoneGrid);
extractVOI->SetVOI(voi);
extractVOI->Update();
return vtkSmartPointer<vtkDataSet>(extractVOI->GetOutput(0));
}
bool GetVOI(int voi[6], int cellDim) const
{
// Remember, "the default beginning vertex for the grid in a given zone is
// (1,1,1); this means the default beginning cell center of the grid in that
// zone is also (1,1,1)" (from CGNS docs:
// https://cgns.github.io/CGNS_docs_current/sids/conv.html#structgrid).
// Hint that cellDim is <= 3
VTK_ASSUME(cellDim <= 3);
// Hence, convert this->PointRange to 0-based values.
int zPointRange[6];
for (int cc = 0; cc < 2 * cellDim; ++cc)
{
zPointRange[cc] = this->PointRange[cc] - 1;
}
// It's a little unclear to me if PointRange is always a range of points,
// irrespective of whether the this->Location is Vertex or FaceCenter. I am
// assuming it as so since that works of the sample data I have.
for (int cc = 0; cc < cellDim; ++cc)
{
voi[2 * cc] = zPointRange[cc];
voi[2 * cc + 1] = zPointRange[cc + cellDim];
}
return true;
}
private:
BCInformation(const BCInformation&) = delete;
BCInformation& operator=(const BCInformation&) = delete;
};
//------------------------------------------------------------------------------
/**
* Class to encapsulate information provided by a BC_t node.
* This is only useful for the Unstructured I/O code.
*/
class BCInformationUns
{
public:
char Name[CGIO_MAX_NAME_LENGTH + 1];
std::string FamilyName;
CGNS_ENUMT(GridLocation_t) Location;
std::vector<vtkTypeInt64> BCElementList;
std::vector<vtkTypeInt64> BCElementRange;
/**
* Reads info from a BC_t node to initialize the instance.
*
* @param[in] cgioNum Database identifier.
* @param[in] nodeId Node identifier. Must point to a BC_t node.
* @param[in] cellDim 2 for 2D case and then Edge location is valid
* 3 for 3D case and then FaceCenter location is valid
*/
BCInformationUns(int cgioNum, double nodeId, int cellDim)
{
CGIOErrorSafe(cgio_get_name(cgioNum, nodeId, this->Name));
char dtype[CGIO_MAX_DATATYPE_LENGTH + 1];
CGIOErrorSafe(cgio_get_data_type(cgioNum, nodeId, dtype));
dtype[CGIO_MAX_DATATYPE_LENGTH] = 0;
if (strcmp(dtype, "C1") != 0)
{
throw CGIOError("Invalid data type for `BC_t` node.");
}
this->Location = CGNS_ENUMV(FaceCenter);
std::string bctype;
CGNSRead::readNodeStringData(cgioNum, nodeId, bctype);
if (bctype != "FamilySpecified")
{
// waiting for c++20 to be replaced by starts_with
if (bctype.rfind("BCWall", 0) == 0)
{
// Temporary Fallback for WALL bcs for old meshes
this->FamilyName = "Wall";
}
else
{
throw CGIOUnsupported(
std::string("BC_t type '") + bctype + std::string("' not supported yet."));
}
}
std::vector<double> childrenIds;
CGNSRead::getNodeChildrenId(cgioNum, nodeId, childrenIds);
for (auto iter = childrenIds.begin(); iter != childrenIds.end(); ++iter)
{
char nodeName[CGIO_MAX_NAME_LENGTH + 1];
char nodeLabel[CGIO_MAX_LABEL_LENGTH + 1];
CGIOErrorSafe(cgio_get_name(cgioNum, *iter, nodeName));
CGIOErrorSafe(cgio_get_label(cgioNum, *iter, nodeLabel));
if (strcmp(nodeName, "PointList") == 0)
{
CGNSRead::readNodeDataAs<vtkTypeInt64>(cgioNum, *iter, this->BCElementList);
}
else if (strcmp(nodeName, "PointRange") == 0)
{
CGNSRead::readNodeDataAs<vtkTypeInt64>(cgioNum, *iter, this->BCElementRange);
}
else if (strcmp(nodeName, "ElementRange") == 0)
{
// Usage of ElementRange in BC is deprecated but still found... may be add a warning
CGNSRead::readNodeDataAs<vtkTypeInt64>(cgioNum, *iter, this->BCElementRange);
}
else if (strcmp(nodeLabel, "FamilyName_t") == 0)
{
CGNSRead::readNodeStringData(cgioNum, *iter, this->FamilyName);
if (!this->FamilyName.empty() && this->FamilyName[0] == '/')
{
// This is a family path
std::string::size_type pos = this->FamilyName.find('/', 1);
if (pos != std::string::npos)
{
this->FamilyName = this->FamilyName.substr(pos + 1);
}
}
}
else if (strcmp(nodeLabel, "GridLocation_t") == 0)
{
std::string location;
CGNSRead::readNodeStringData(cgioNum, *iter, location);
if (location == "Vertex")
{
this->Location = CGNS_ENUMV(Vertex);
}
else if (location == "FaceCenter" && 3 == cellDim)
{
this->Location = CGNS_ENUMV(FaceCenter);
}
else if (location == "EdgeCenter" && 2 == cellDim)
{
this->Location = CGNS_ENUMV(EdgeCenter);
}
else
{
throw CGIOUnsupported("Unsupported unstrured grid location " + location);
}
}
}
CGNSRead::releaseIds(cgioNum, childrenIds);
}
~BCInformationUns() = default;
private:
BCInformationUns(const BCInformationUns&) = delete;
BCInformationUns& operator=(const BCInformationUns&) = delete;
};
}
// vtkCGNSReader has several method that used types from CGNS
// which resulted in CGNS include being exposed to the users of this class
// causing build complications. This makes that easier.
class vtkCGNSReader::vtkPrivate
{
public:
static bool IsVarEnabled(
CGNS_ENUMT(GridLocation_t) varcentering, const CGNSRead::char_33 name, vtkCGNSReader* self);
static int getGridAndSolutionNames(int base, std::string& gridCoordName,
std::vector<std::string>& solutionNames, vtkCGNSReader* reader);
static int getCoordsIdAndFillRind(const std::string& gridCoordName, int physicalDim,
std::size_t& nCoordsArray, std::vector<double>& gridChildId, int* rind, vtkCGNSReader* self);
static int getVarsIdAndFillRind(double cgioSolId, std::size_t& nVarArray,
CGNS_ENUMT(GridLocation_t) & varCentering, std::vector<double>& solChildId, int* rind,
vtkCGNSReader* self);
/**
* `voi` can be used to read a sub-extent. VOI is specified using VTK
* conventions i.e. 0-based point extents specified as (x-min,x-max,
* y-min,y-max, z-min, z-max).
*/
static int readSolution(const std::string& solutionName, int cellDim, int physicalDim,
const cgsize_t* zsize, vtkDataSet* dataset, const int* voi, vtkCGNSReader* self);
static int fillArrayInformation(const std::vector<double>& solChildId, int physicalDim,
std::vector<CGNSRead::CGNSVariable>& cgnsVars, std::vector<CGNSRead::CGNSVector>& cgnsVectors,
vtkCGNSReader* self);
static int AllocateVtkArray(int physicalDim, int requestedVectorDim, vtkIdType nVals,
CGNS_ENUMT(GridLocation_t) varCentering, const std::vector<CGNSRead::CGNSVariable>& cgnsVars,
const std::vector<CGNSRead::CGNSVector>& cgnsVectors, std::vector<vtkDataArray*>& vtkVars,
vtkCGNSReader* self);
static int AttachReferenceValue(int base, vtkDataSet* ds, vtkCGNSReader* self);
/**
* return -1 is num_timesteps<=0 or timesteps == nullptr, otherwise will always
* returns an index in the range [0, num_timesteps).
*/
static int GetTimeStepIndex(double time, const double* timesteps, int num_timesteps)
{
if (timesteps == nullptr || num_timesteps <= 0)
{
return -1;
}
const double* lbptr = std::lower_bound(timesteps, timesteps + num_timesteps, time);
int index = static_cast<int>(lbptr - timesteps);
// clamp to last timestep if beyond the range.
index = (index >= num_timesteps) ? (num_timesteps - 1) : index;
assert(index >= 0 && index < num_timesteps);
return index;
}
static void AddIsPatchArray(vtkDataSet* ds, bool is_patch)
{
if (ds)
{
vtkNew<vtkIntArray> iarray;
iarray->SetNumberOfTuples(1);
iarray->SetValue(0, is_patch ? 1 : 0);
iarray->SetName("ispatch");
ds->GetFieldData()->AddArray(iarray.Get());
}
}
// Reads a curvilinear zone along with its solution.
// If voi is non-null, then a sub-extents (x-min, x-max, y-min, y-max, z-min,
// z-max) can be specified to only read a subset of the zone. Otherwise, the
// entire zone is read in.
static vtkSmartPointer<vtkDataObject> readCurvilinearZone(int base, int zone, int cellDim,
int physicalDim, const cgsize_t* zsize, const int* voi, vtkCGNSReader* self);
static vtkSmartPointer<vtkDataSet> readBCDataSet(const BCInformation& bcinfo, int base, int zone,
int cellDim, int physicalDim, const cgsize_t* zsize, vtkCGNSReader* self)
{
int voi[6];
bcinfo.GetVOI(voi, cellDim);
vtkSmartPointer<vtkDataObject> zoneDO =
readCurvilinearZone(base, zone, cellDim, physicalDim, zsize, voi, self);
return vtkDataSet::SafeDownCast(zoneDO);
}
static int readBCData(double nodeId, int cellDim, int physicalDim,
CGNS_ENUMT(GridLocation_t) locationParam, vtkDataSet* dataset, vtkCGNSReader* self);
static std::string GenerateMeshKey(const char* basename, const char* zonename);
vtkPrivate();
~vtkPrivate();
CGNSRead::vtkCGNSMetaData* Internal; // Metadata
CGNSRead::vtkCGNSCache<vtkPoints> MeshPointsCache; // Cache for the mesh points
CGNSRead::vtkCGNSCache<vtkUnstructuredGrid>
ConnectivitiesCache; // Cache for the mesh connectivities
};
// Helpers for FlowSolutionxxxPointers
int EndsWithPointers(const char* s)
{
int ret = 0;
if (s != nullptr)
{
size_t size = strlen(s);
if (size > 8 && (strncmp(s + size - 8, "Pointers", 8) == 0))
{
ret = 1;
}
}
return ret;
}
int StartsWithFlowSolution(const char* s)
{
int ret = 0;
if (s != nullptr)
{
size_t size = strlen(s);
if (size > 12 && (strncmp(s, "FlowSolution", 12) == 0))
{
ret = 1;
}
}
return ret;
}
//----------------------------------------------------------------------------
// Small helper
const char* get_data_type(const CGNS_ENUMT(DataType_t) dt)
{
const char* dataType;
switch (dt)
{
case CGNS_ENUMV(Integer):
dataType = "I4";
break;
case CGNS_ENUMV(LongInteger):
dataType = "I8";
break;
case CGNS_ENUMV(RealSingle):
dataType = "R4";
break;
case CGNS_ENUMV(RealDouble):
dataType = "R8";
break;
case CGNS_ENUMV(Character):
dataType = "C1";
break;
default:
dataType = "MT";
}
return dataType;
}
//----------------------------------------------------------------------------
vtkCGNSReader::vtkPrivate::vtkPrivate()
: Internal(new CGNSRead::vtkCGNSMetaData())
{
}
//----------------------------------------------------------------------------
vtkCGNSReader::vtkPrivate::~vtkPrivate()
{
this->MeshPointsCache.ClearCache();
this->ConnectivitiesCache.ClearCache();
delete this->Internal;
this->Internal = nullptr;
}
//----------------------------------------------------------------------------
vtkCGNSReader::vtkCGNSReader()
: Internals(new vtkPrivate)
{
this->FileName = nullptr;
this->LoadBndPatch = false;
this->LoadMesh = true;
this->NumberOfBases = 0;
this->ActualTimeStep = 0;
this->DoublePrecisionMesh = 1;
this->CreateEachSolutionAsBlock = 0;
this->IgnoreFlowSolutionPointers = false;
this->UseUnsteadyPattern = false;
this->DistributeBlocks = true;
this->CacheMesh = false;
this->CacheConnectivity = false;
this->Use3DVector = true;
this->SetNumberOfInputPorts(0);
this->SetNumberOfOutputPorts(1);
this->ProcRank = 0;
this->ProcSize = 1;
this->Controller = nullptr;
this->SetController(vtkMultiProcessController::GetGlobalController());
this->PointDataArraySelection->AddObserver(
vtkCommand::ModifiedEvent, this, &vtkCGNSReader::Modified);
this->CellDataArraySelection->AddObserver(
vtkCommand::ModifiedEvent, this, &vtkCGNSReader::Modified);
this->BaseSelection->AddObserver(vtkCommand::ModifiedEvent, this, &vtkCGNSReader::Modified);
this->FamilySelection->AddObserver(vtkCommand::ModifiedEvent, this, &vtkCGNSReader::Modified);
}
//----------------------------------------------------------------------------
vtkCGNSReader::~vtkCGNSReader()
{
this->SetFileName(nullptr);
this->SetController(nullptr);
delete this->Internals;
this->Internals = nullptr;
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetController(vtkMultiProcessController* c)
{
if (this->Controller == c)
{
return;
}
this->Modified();
if (this->Controller)
{
this->Controller->UnRegister(this);
}
this->Controller = c;
if (this->Controller)
{
this->Controller->Register(this);
this->ProcRank = this->Controller->GetLocalProcessId();
this->ProcSize = this->Controller->GetNumberOfProcesses();
}
if (!this->Controller || this->ProcSize <= 0)
{
this->ProcRank = 0;
this->ProcSize = 1;
}
}
//------------------------------------------------------------------------------
std::string vtkCGNSReader::vtkPrivate::GenerateMeshKey(const char* basename, const char* zonename)
{
std::ostringstream query;
query << "/" << basename << "/" << zonename;
return query.str();
}
//------------------------------------------------------------------------------
bool vtkCGNSReader::vtkPrivate::IsVarEnabled(
CGNS_ENUMT(GridLocation_t) varcentering, const CGNSRead::char_33 name, vtkCGNSReader* self)
{
vtkDataArraySelection* DataSelection = nullptr;
if (varcentering == CGNS_ENUMV(Vertex))
{
DataSelection = self->PointDataArraySelection.GetPointer();
}
else
{
DataSelection = self->CellDataArraySelection.GetPointer();
}
//return true;
return (DataSelection->ArrayIsEnabled(name) != 0);
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::getGridAndSolutionNames(int base, std::string& gridCoordName,
std::vector<std::string>& solutionNames, vtkCGNSReader* self)
{
// We encounter various ways in which solution grids are specified (standard
// and non-standard). This code will try to handle all of them.
const CGNSRead::BaseInformation& baseInfo = self->Internals->Internal->GetBase(base);
//===========================================================================
// Let's start with the easiest one, the grid coordinates.
// Check if we have ZoneIterativeData_t/GridCoordinatesPointers present. If
// so, use those to read grid coordinates for current timestep.
double ziterId = 0;
bool hasZoneIterativeData = (CGNSRead::getFirstNodeId(self->cgioNum, self->currentId,
"ZoneIterativeData_t", &ziterId) == CG_OK);
if (hasZoneIterativeData && baseInfo.useGridPointers)
{
double giterId = 0;
if (CGNSRead::getFirstNodeId(
self->cgioNum, ziterId, "DataArray_t", &giterId, "GridCoordinatesPointers") == CG_OK)
{
CGNSRead::char_33 gname;
const cgsize_t offset = static_cast<cgsize_t>(self->ActualTimeStep * 32);
cgio_read_block_data_type(
self->cgioNum, giterId, offset + 1, offset + 32, "C1", (void*)gname);
gname[32] = '\0';
// NOTE: Names or identifiers contain no spaces and capitalization
// is used to distinguish individual words making up a name.
// For ill-formed CGNS files, we encounter names padded with spaces.
// We handle them by removing trailing spaces.
CGNSRead::removeTrailingWhiteSpaces(gname);
gridCoordName = gname;
cgio_release_id(self->cgioNum, giterId);
}
}
if (gridCoordName.empty())
{
// If ZoneIterativeData_t is not present or doesn't have
// GridCoordinatesPointers, locate the first element of type
// `GridCoordinates_t`. That's the coordinates array.
double giterId;
if (CGNSRead::getFirstNodeId(self->cgioNum, self->currentId, "GridCoordinates_t", &giterId) ==
CG_OK)
{
CGNSRead::char_33 nodeName;
if (cgio_get_name(self->cgioNum, giterId, nodeName) == CG_OK)
{
gridCoordName = nodeName;
}
cgio_release_id(self->cgioNum, giterId);
}
}
if (gridCoordName.empty())
{
// if all fails, just say it's an array named "GridCoordinates".
gridCoordName = "GridCoordinates";
}
//===========================================================================
// Next let's determine the solution nodes.
bool ignoreFlowSolutionPointers = self->IgnoreFlowSolutionPointers;
bool useUnsteadyPattern = self->UseUnsteadyPattern;
// if ZoneIterativeData_t/FlowSolutionPointers is present, they may provide us
// some of the solution nodes for current timestep (not all).
if (hasZoneIterativeData && baseInfo.useFlowPointers && !ignoreFlowSolutionPointers)
{
std::vector<double> iterChildId;
CGNSRead::getNodeChildrenId(self->cgioNum, ziterId, iterChildId);
std::vector<std::string> unvalidatedSolutionNames;
for (size_t cc = 0; cc < iterChildId.size(); ++cc)
{
CGNSRead::char_33 nodeLabel;
CGNSRead::char_33 nodeName;
if (cgio_get_name(self->cgioNum, iterChildId[cc], nodeName) == CG_OK &&
cgio_get_label(self->cgioNum, iterChildId[cc], nodeLabel) == CG_OK &&
strcmp(nodeLabel, "DataArray_t") == 0 && StartsWithFlowSolution(nodeName) &&
EndsWithPointers(nodeName))
{
CGNSRead::char_33 gname;
cgio_read_block_data_type(self->cgioNum, iterChildId[cc],
(cgsize_t)(self->ActualTimeStep * 32 + 1), (cgsize_t)(self->ActualTimeStep * 32 + 32),
"C1", (void*)gname);
gname[32] = '\0';
CGNSRead::removeTrailingWhiteSpaces(gname);
std::string tmpStr = std::string(gname);
if (tmpStr != "Null" && !tmpStr.empty())
{
unvalidatedSolutionNames.push_back(tmpStr);
}
}
cgio_release_id(self->cgioNum, iterChildId[cc]);
}
// Validate the names read from FlowSolutionPointers. Some exporters are known to mess up.
for (size_t cc = 0; cc < unvalidatedSolutionNames.size(); ++cc)
{
double solId = 0.0;
if (cgio_get_node_id(
self->cgioNum, self->currentId, unvalidatedSolutionNames[cc].c_str(), &solId) == CG_OK)
{
solutionNames.push_back(unvalidatedSolutionNames[cc]);
}
}
// If we couldn't find a single valid solution for the current timestep, we
// should assume that FlowSolutionPointers are invalid, and we use the some
// heuristics to decide which FlowSolution_t nodes correspond to current
// timestep.
ignoreFlowSolutionPointers = (solutionNames.empty() && !unvalidatedSolutionNames.empty());
if (ignoreFlowSolutionPointers)
{
vtkGenericWarningMacro("`FlowSolutionPointers` in the CGNS file '"
<< self->FileName
<< "' "
"refer to invalid solution nodes. Ignoring them.");
}
}
// Case where everything is OK with standard FlowSolutionPointers
if (hasZoneIterativeData && baseInfo.useFlowPointers && !ignoreFlowSolutionPointers &&
!useUnsteadyPattern)
{
// Since we are not too careful about avoiding duplicates in solutionNames
// array, let's clean it up here.
std::sort(solutionNames.begin(), solutionNames.end());
std::vector<std::string>::iterator last =
std::unique(solutionNames.begin(), solutionNames.end());
solutionNames.erase(last, solutionNames.end());
cgio_release_id(self->cgioNum, ziterId);
ziterId = 0;
return CG_OK;
}
std::vector<double> childId;
CGNSRead::getNodeChildrenId(self->cgioNum, self->currentId, childId);
// Case where FlowSolutionPointers where not enough but there is a pattern in nodeName.
if (useUnsteadyPattern)
{
// Ideally ZoneIterativeData_t/FlowSolutionPointers tell us all solution grids
// for current timestep, but that may not be the case. Sometimes
// ZoneIterativeData_t is missing or incomplete. So let's handle that next.
// If we processed at least 1 FlowSolutionPointers, then we can form a pattern
// for the names for solutions to match the current timestep.
std::set<int> stepNumbers;
vtksys::RegularExpression stepRe("^[^0-9]+([0-9]+)$");
if (hasZoneIterativeData && baseInfo.useFlowPointers && !ignoreFlowSolutionPointers)
{
std::ostringstream str;
for (size_t cc = 0; cc < solutionNames.size(); ++cc)
{
if (stepRe.find(solutionNames[cc]))
{
stepNumbers.insert(atoi(stepRe.match(1).c_str()));
}
}
}
else if (!baseInfo.times.empty())
{
// we don't have FlowSolutionPointers in the dataset
stepNumbers.insert(self->ActualTimeStep + 1);
}
// For that, we first collect a list of names for all FlowSolution_t nodes in
// this zone.
for (size_t cc = 0; cc < childId.size(); ++cc)
{
CGNSRead::char_33 nodeLabel;
CGNSRead::char_33 nodeName;
if (cgio_get_name(self->cgioNum, childId[cc], nodeName) == CG_OK &&
cgio_get_label(self->cgioNum, childId[cc], nodeLabel) == CG_OK &&
strcmp(nodeLabel, "FlowSolution_t") == 0)
{
if (!stepNumbers.empty())
{
if (stepRe.find(nodeName) == true &&
stepNumbers.find(atoi(stepRe.match(1).c_str())) != stepNumbers.end())
{
// the current nodeName ends with a number that matches the current timestep
// or timestep indicated at end of an existing nodeName.
solutionNames.emplace_back(nodeName);
}
}
else
{
// is stepNumbers is empty, it means the data was not temporal at all,
// so just read all solution nodes.
solutionNames.emplace_back(nodeName);
}
}
}
}
if (solutionNames.empty())
{
// if we still have no solution nodes discovered, then we read the 1st solution node for
// each GridLocation (see paraview/paraview#17586).
// C'est la vie!
std::set<CGNS_ENUMT(GridLocation_t)> handledCenterings;
for (size_t cc = 0; cc < childId.size(); ++cc)
{
CGNSRead::char_33 nodeLabel;
CGNSRead::char_33 nodeName;
if (cgio_get_name(self->cgioNum, childId[cc], nodeName) == CG_OK &&
cgio_get_label(self->cgioNum, childId[cc], nodeLabel) == CG_OK &&
strcmp(nodeLabel, "FlowSolution_t") == 0)
{
CGNS_ENUMT(GridLocation_t) varCentering = CGNS_ENUMV(Vertex);
double gridLocationNodeId = 0.0;
if (CGNSRead::getFirstNodeId(
self->cgioNum, childId[cc], "GridLocation_t", &gridLocationNodeId) == CG_OK)
{
std::string location;
CGNSRead::readNodeStringData(self->cgioNum, gridLocationNodeId, location);
if (location == "Vertex")
{
varCentering = CGNS_ENUMV(Vertex);
}
else if (location == "CellCenter")
{
varCentering = CGNS_ENUMV(CellCenter);
}
else
{
varCentering = CGNS_ENUMV(GridLocationNull);
}
cgio_release_id(self->cgioNum, gridLocationNodeId);
}
if (handledCenterings.find(varCentering) == handledCenterings.end())
{
handledCenterings.insert(varCentering);
solutionNames.emplace_back(nodeName);
}
else if (self->GetCreateEachSolutionAsBlock())
{
solutionNames.emplace_back(nodeName);
}
}
}
}
CGNSRead::releaseIds(self->cgioNum, childId);
childId.clear();
// Since we are not too careful about avoiding duplicates in solutionNames
// array, let's clean it up here.
std::sort(solutionNames.begin(), solutionNames.end());
std::vector<std::string>::iterator last = std::unique(solutionNames.begin(), solutionNames.end());
solutionNames.erase(last, solutionNames.end());
if (hasZoneIterativeData)
{
cgio_release_id(self->cgioNum, ziterId);
ziterId = 0;
}
return CG_OK;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::getCoordsIdAndFillRind(const std::string& gridCoordNameStr,
int physicalDim, std::size_t& nCoordsArray, std::vector<double>& gridChildId, int* rind,
vtkCGNSReader* self)
{
CGNSRead::char_33 GridCoordName;
strncpy(GridCoordName, gridCoordNameStr.c_str(), 32);
GridCoordName[32] = '\0';
char nodeLabel[CGIO_MAX_NAME_LENGTH + 1];
std::size_t na;
nCoordsArray = 0;
// Get GridCoordinate node ID for low level access
double gridId;
if (cgio_get_node_id(self->cgioNum, self->currentId, GridCoordName, &gridId) != CG_OK)
{
char message[81];
cgio_error_message(message);
vtkErrorWithObjectMacro(self, << "Error while reading mesh coordinates node :" << message);
return 1;
}
// Get the number of Coordinates in GridCoordinates node
CGNSRead::getNodeChildrenId(self->cgioNum, gridId, gridChildId);
for (int n = 0; n < 6; n++)
{
rind[n] = 0;
}
for (nCoordsArray = 0, na = 0; na < gridChildId.size(); ++na)
{
if (cgio_get_label(self->cgioNum, gridChildId[na], nodeLabel) != CG_OK)
{
vtkErrorWithObjectMacro(self, << "Not enough coordinates in node " << GridCoordName << "\n");
continue;
}
if (strcmp(nodeLabel, "DataArray_t") == 0)
{
if (nCoordsArray < na)
{
gridChildId[nCoordsArray] = gridChildId[na];
}
nCoordsArray++;
}
else if (strcmp(nodeLabel, "Rind_t") == 0)
{
// check for rind
CGNSRead::setUpRind(self->cgioNum, gridChildId[na], rind);
}
else
{
cgio_release_id(self->cgioNum, gridChildId[na]);
}
}
if (nCoordsArray < static_cast<std::size_t>(physicalDim))
{
vtkErrorWithObjectMacro(self, << "Not enough coordinates in node " << GridCoordName << "\n");
return 1;
}
cgio_release_id(self->cgioNum, gridId);
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::getVarsIdAndFillRind(double cgioSolId, std::size_t& nVarArray,
CGNS_ENUMT(GridLocation_t) & varCentering, std::vector<double>& solChildId, int* rind,
vtkCGNSReader* self)
{
char nodeLabel[CGIO_MAX_NAME_LENGTH + 1];
std::size_t na;
nVarArray = 0;
for (int n = 0; n < 6; ++n)
{
rind[n] = 0;
}
CGNSRead::getNodeChildrenId(self->cgioNum, cgioSolId, solChildId);
for (nVarArray = 0, na = 0; na < solChildId.size(); ++na)
{
if (cgio_get_label(self->cgioNum, solChildId[na], nodeLabel) != CG_OK)
{
vtkErrorWithObjectMacro(self, << "Error while reading node label in solution\n");
continue;
}
if (strcmp(nodeLabel, "DataArray_t") == 0)
{
if (nVarArray < na)
{
solChildId[nVarArray] = solChildId[na];
}
nVarArray++;
}
else if (strcmp(nodeLabel, "Rind_t") == 0)
{
CGNSRead::setUpRind(self->cgioNum, solChildId[na], rind);
}
else if (strcmp(nodeLabel, "GridLocation_t") == 0)
{
CGNSRead::char_33 dataType;
if (cgio_get_data_type(self->cgioNum, solChildId[na], dataType) != CG_OK)
{
return 1;
}
if (strcmp(dataType, "C1") != 0)
{
std::cerr << "Unexpected data type for GridLocation_t node" << std::endl;
return 1;
}
std::string location;
CGNSRead::readNodeStringData(self->cgioNum, solChildId[na], location);
if (location == "Vertex")
{
varCentering = CGNS_ENUMV(Vertex);
}
else if (location == "CellCenter")
{
varCentering = CGNS_ENUMV(CellCenter);
}
else
{
varCentering = CGNS_ENUMV(GridLocationNull);
}
}
else
{
cgio_release_id(self->cgioNum, solChildId[na]);
}
}
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::readSolution(const std::string& solutionNameStr, int cellDim,
int physicalDim, const cgsize_t* zsize, vtkDataSet* dataset, const int* voi, vtkCGNSReader* self)
{
if (solutionNameStr.empty())
{
return CG_OK; // should this be error?
}
CGNSRead::char_33 solutionName;
strncpy(solutionName, solutionNameStr.c_str(), 32);
solutionName[32] = '\0';
double cgioSolId = 0.0;
if (cgio_get_node_id(self->cgioNum, self->currentId, solutionName, &cgioSolId) != CG_OK)
{
char errmsg[CGIO_MAX_ERROR_LENGTH + 1];
cgio_error_message(errmsg);
vtkGenericWarningMacro(<< "Problem while reading Solution named '" << solutionName
<< "', error : " << errmsg);
return 1;
}
std::vector<double> solChildId;
std::size_t nVarArray = 0;
int rind[6];
CGNS_ENUMT(GridLocation_t) varCentering = CGNS_ENUMV(Vertex);
vtkPrivate::getVarsIdAndFillRind(cgioSolId, nVarArray, varCentering, solChildId, rind, self);
if ((varCentering != CGNS_ENUMV(Vertex)) && (varCentering != CGNS_ENUMV(CellCenter)))
{
vtkGenericWarningMacro(<< "Solution " << solutionName << " centering is not supported\n");
return 1;
}
std::vector<CGNSRead::CGNSVariable> cgnsVars(nVarArray);
std::vector<CGNSRead::CGNSVector> cgnsVectors;
vtkPrivate::fillArrayInformation(solChildId, physicalDim, cgnsVars, cgnsVectors, self);
// Source
cgsize_t fieldSrcStart[3] = { 1, 1, 1 };
cgsize_t fieldSrcStride[3] = { 1, 1, 1 };
cgsize_t fieldSrcEnd[3];
// Destination Memory
cgsize_t fieldMemStart[3] = { 1, 1, 1 };
cgsize_t fieldMemStride[3] = { 1, 1, 1 };
cgsize_t fieldMemEnd[3] = { 1, 1, 1 };
cgsize_t fieldMemDims[3] = { 1, 1, 1 };
vtkIdType nVals = 0;
// Get solution data range
int nsc = varCentering == CGNS_ENUMV(Vertex) ? 0 : cellDim;
for (int n = 0; n < cellDim; ++n)
{
fieldSrcStart[n] = rind[2 * n] + 1;
fieldSrcEnd[n] = rind[2 * n] + zsize[n + nsc];
fieldMemEnd[n] = zsize[n + nsc];
fieldMemDims[n] = zsize[n + nsc];
}
if (voi != nullptr)
{
// we are provided a sub-extent to read.
// update src and mem pointers.
const int* pvoi = voi;
int cell_voi[6];
if (varCentering == CGNS_ENUMV(CellCenter))
{
// need to convert pt-extents provided in VOI to cell extents.
vtkStructuredData::GetCellExtentFromPointExtent(const_cast<int*>(voi), cell_voi);
// if outer edge, the above method doesn't do well. so handle it.
for (int n = 0; n < cellDim; ++n)
{
cell_voi[2 * n] = std::min<int>(cell_voi[2 * n], zsize[n + nsc] - 1);
cell_voi[2 * n + 1] = std::min<int>(cell_voi[2 * n + 1], zsize[n + nsc] - 1);
}
pvoi = cell_voi;
}
// now update the source and dest regions.
for (int n = 0; n < cellDim; ++n)
{
fieldSrcStart[n] += pvoi[2 * n];
fieldSrcEnd[n] = fieldSrcStart[n] + (pvoi[2 * n + 1] - pvoi[2 * n]);
fieldMemEnd[n] = (pvoi[2 * n + 1] - pvoi[2 * n]) + 1;
fieldMemDims[n] = fieldMemEnd[n];
}
}
// compute number of field values
nVals = static_cast<vtkIdType>(fieldMemEnd[0] * fieldMemEnd[1] * fieldMemEnd[2]);
// sanity check: nVals must equal num-points or num-cells.
if (varCentering == CGNS_ENUMV(CellCenter) && nVals != dataset->GetNumberOfCells())
{
vtkErrorWithObjectMacro(self,
"Mismatch in number of cells and number of values "
"being read from Solution '"
<< solutionNameStr.c_str()
<< "'. "
"Skipping reading. Please report as a bug.");
return CG_ERROR;
}
if (varCentering == CGNS_ENUMV(Vertex) && nVals != dataset->GetNumberOfPoints())
{
vtkErrorWithObjectMacro(self,
"Mismatch in number of points and number of values "
"being read from Solution '"
<< solutionNameStr.c_str()
<< "'. "
"Skipping reading. Please report as a bug.");
return CG_ERROR;
}
//
// VECTORS aliasing ...
// destination
int requestedVectorDim = physicalDim;
if (physicalDim < 3)
{
requestedVectorDim = self->Use3DVector ? 3 : physicalDim;
}
cgsize_t fieldVectMemStart[3] = { 1, 1, 1 };
cgsize_t fieldVectMemStride[3] = { 3, 1, 1 };
cgsize_t fieldVectMemEnd[3] = { 1, 1, 1 };
cgsize_t fieldVectMemDims[3] = { 1, 1, 1 };
fieldVectMemStride[0] = static_cast<cgsize_t>(requestedVectorDim);
fieldVectMemDims[0] = fieldMemDims[0] * fieldVectMemStride[0];
fieldVectMemDims[1] = fieldMemDims[1];
fieldVectMemDims[2] = fieldMemDims[2];
fieldVectMemEnd[0] = fieldMemEnd[0] * fieldVectMemStride[0];
fieldVectMemEnd[1] = fieldMemEnd[1];
fieldVectMemEnd[2] = fieldMemEnd[2];
//
std::vector<vtkDataArray*> vtkVars(nVarArray);
// Count number of vars and vectors
// Assign vars and vectors to a vtkvars array
vtkPrivate::AllocateVtkArray(
physicalDim, requestedVectorDim, nVals, varCentering, cgnsVars, cgnsVectors, vtkVars, self);
// Load Data
for (std::size_t ff = 0; ff < nVarArray; ++ff)
{
// only read allocated fields
if (vtkVars[ff] == nullptr)
{
continue;
}
double cgioVarId = solChildId[ff];
const char* fieldDataType = get_data_type(cgnsVars[ff].dt);
// quick transfer of data because data types is given by cgns database
if (cgnsVars[ff].isComponent == false)
{
if (cgio_read_data_type(self->cgioNum, cgioVarId, fieldSrcStart, fieldSrcEnd, fieldSrcStride,
fieldDataType, cellDim, fieldMemDims, fieldMemStart, fieldMemEnd, fieldMemStride,
(void*)vtkVars[ff]->GetVoidPointer(0)) != CG_OK)
{
char message[81];
cgio_error_message(message);
vtkGenericWarningMacro(<< "cgio_read_data_type :" << message);
}
}
else
{
if (cgio_read_data_type(self->cgioNum, cgioVarId, fieldSrcStart, fieldSrcEnd, fieldSrcStride,
fieldDataType, cellDim, fieldVectMemDims, fieldVectMemStart, fieldVectMemEnd,
fieldVectMemStride,
(void*)vtkVars[ff]->GetVoidPointer(cgnsVars[ff].xyzIndex - 1)) != CG_OK)
{
char message[81];
cgio_error_message(message);
vtkGenericWarningMacro(<< "cgio_read_data_type :" << message);
}
}
cgio_release_id(self->cgioNum, cgioVarId);
}
cgio_release_id(self->cgioNum, cgioSolId);
// Append data to dataset
vtkDataSetAttributes* dsa = nullptr;
if (varCentering == CGNS_ENUMV(Vertex)) // ON_NODES
{
dsa = dataset->GetPointData();
}
if (varCentering == CGNS_ENUMV(CellCenter)) // ON_CELL
{
dsa = dataset->GetCellData();
}
// SetData in zone dataset & clean pointers
for (std::size_t nv = 0; nv < nVarArray; ++nv)
{
// only transfer allocated fields
if (vtkVars[nv] == nullptr)
{
continue;
}
if (cgnsVars[nv].isComponent == false)
{
dsa->AddArray(vtkVars[nv]);
vtkVars[nv]->Delete();
}
else if (cgnsVars[nv].xyzIndex == 1)
{
dsa->AddArray(vtkVars[nv]);
if (!dsa->GetVectors() && requestedVectorDim == 3)
{
dsa->SetVectors(vtkVars[nv]);
}
if (requestedVectorDim != physicalDim)
{
for (int dim = physicalDim; dim < requestedVectorDim; dim++)
{
vtkVars[nv]->FillComponent(dim, 0.0);
}
}
vtkVars[nv]->Delete();
}
vtkVars[nv] = nullptr;
}
return CG_OK;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::readBCData(double nodeId, int cellDim, int physicalDim,
CGNS_ENUMT(GridLocation_t) locationParam, vtkDataSet* dataset, vtkCGNSReader* self)
{
if (cellDim == 0 || physicalDim == 0)
{
return 1;
}
std::vector<double> childrenIds;
CGNSRead::getNodeChildrenId(self->cgioNum, nodeId, childrenIds);
for (auto& childrenId : childrenIds)
{
char nodeName[CGIO_MAX_NAME_LENGTH + 1];
char nodeLabel[CGIO_MAX_LABEL_LENGTH + 1];
CGIOErrorSafe(cgio_get_name(self->cgioNum, childrenId, nodeName));
CGIOErrorSafe(cgio_get_label(self->cgioNum, childrenId, nodeLabel));
if (strcmp(nodeLabel, "BCDataSet_t") == 0)
{
// Found a BCDataset_t and now load its data
CGNS_ENUMT(GridLocation_t) varCentering = locationParam;
std::vector<double> BCDataSetChildrens;
std::vector<double> BCDataChildList; // Neumann and Dirichlet data node
CGNSRead::getNodeChildrenId(self->cgioNum, childrenId, BCDataSetChildrens);
for (auto& BCDataSetChild : BCDataSetChildrens)
{
CGIOErrorSafe(cgio_get_label(self->cgioNum, BCDataSetChild, nodeLabel));
if (strcmp(nodeLabel, "BCData_t") == 0)
{
BCDataChildList.push_back(BCDataSetChild);
}
else if (strcmp(nodeLabel, "GridLocation_t") == 0)
{
std::string location;
CGNSRead::readNodeStringData(self->cgioNum, BCDataSetChild, location);
if (location == "FaceCenter" || location == "IFaceCenter" || location == "JFaceCenter" ||
location == "KFaceCenter")
{
varCentering = CGNS_ENUMV(FaceCenter);
}
else if (location == "Vertex")
{
varCentering = CGNS_ENUMV(Vertex);
}
else
{
return 1;
}
}
}
// Now read Neumann and Dirichlet arrays
for (auto& BCDataChild : BCDataChildList)
{
std::vector<double> BCDataArrayIds;
CGNSRead::getNodeChildrenId(self->cgioNum, BCDataChild, BCDataArrayIds);
// number Of Values to load per Array for the BCData
vtkIdType numValues = dataset->GetNumberOfCells();
if (varCentering == CGNS_ENUMV(Vertex))
{
numValues = dataset->GetNumberOfPoints();
}
std::vector<double> varIds;
std::vector<CGNSRead::CGNSVariable> cgnsVars;
std::vector<CGNSRead::CGNSVector> cgnsVectors;
std::vector<vtkDataArray*> vtkVars;
// Array Creation
// Do not care about IsVarEnable right now
// Maybe use AllocateVtkArray later
for (auto& ArrayId : BCDataArrayIds)
{
CGIOErrorSafe(cgio_get_label(self->cgioNum, ArrayId, nodeLabel));
if (strcmp(nodeLabel, "DataArray_t") == 0)
{
CGNSRead::CGNSVariable curVar;
CGIOErrorSafe(cgio_get_name(self->cgioNum, ArrayId, curVar.name));
curVar.isComponent = false;
curVar.xyzIndex = 0;
// read node data type
CGNSRead::char_33 dataType;
if (cgio_get_data_type(self->cgioNum, ArrayId, dataType))
{
continue;
}
if (strcmp(dataType, "R8") == 0)
{
curVar.dt = CGNS_ENUMV(RealDouble);
}
else if (strcmp(dataType, "R4") == 0)
{
curVar.dt = CGNS_ENUMV(RealSingle);
}
else if (strcmp(dataType, "I4") == 0)
{
curVar.dt = CGNS_ENUMV(Integer);
}
else if (strcmp(dataType, "I8") == 0)
{
curVar.dt = CGNS_ENUMV(LongInteger);
}
else
{
continue;
}
cgnsVars.push_back(curVar);
varIds.push_back(ArrayId);
}
}
CGNSRead::fillVectorsFromVars(cgnsVars, cgnsVectors, physicalDim);
vtkVars.resize(cgnsVars.size());
for (std::size_t var = 0; var < cgnsVars.size(); var++)
{
vtkVars[var] = nullptr;
if (cgnsVars[var].isComponent == false)
{
switch (cgnsVars[var].dt)
{
case CGNS_ENUMV(Integer):
vtkVars[var] = vtkIntArray::New();
break;
case CGNS_ENUMV(LongInteger):
vtkVars[var] = vtkLongArray::New();
break;
case CGNS_ENUMV(RealSingle):
vtkVars[var] = vtkFloatArray::New();
break;
case CGNS_ENUMV(RealDouble):
vtkVars[var] = vtkDoubleArray::New();
break;
default:
continue;
}
vtkVars[var]->SetName(cgnsVars[var].name);
vtkVars[var]->SetNumberOfComponents(1);
vtkVars[var]->SetNumberOfTuples(numValues);
}
}
for (std::vector<CGNSRead::CGNSVector>::const_iterator iter = cgnsVectors.begin();
iter != cgnsVectors.end(); ++iter)
{
vtkDataArray* arr = nullptr;
int nv = iter->xyzIndex[0];
switch (cgnsVars[nv].dt)
{
case CGNS_ENUMV(Integer):
arr = vtkIntArray::New();
break;
case CGNS_ENUMV(LongInteger):
arr = vtkLongArray::New();
break;
case CGNS_ENUMV(RealSingle):
arr = vtkFloatArray::New();
break;
case CGNS_ENUMV(RealDouble):
arr = vtkDoubleArray::New();
break;
default:
continue;
}
arr->SetName(iter->name);
arr->SetNumberOfComponents(physicalDim);
arr->SetNumberOfTuples(numValues);
for (int dim = 0; dim < physicalDim; ++dim)
{
arr->SetComponentName(static_cast<vtkIdType>(dim), cgnsVars[iter->xyzIndex[dim]].name);
vtkVars[iter->xyzIndex[dim]] = arr;
}
}
// Now Load Boundary Values
for (std::size_t ff = 0; ff < cgnsVars.size(); ++ff)
{
// only read allocated fields
if (vtkVars[ff] == nullptr)
{
continue;
}
double cgioVarId = varIds[ff];
const char* fieldDataType = get_data_type(cgnsVars[ff].dt);
cgsize_t dataSize = 1;
cgsize_t dimVals[12];
int n, ndim;
if (cgio_get_dimensions(self->cgioNum, cgioVarId, &ndim, dimVals) != CG_OK)
{
cgio_error_exit("cgio_get_dimensions");
return 1;
}
// allocate data
for (n = 0; n < ndim; n++)
{
dataSize *= dimVals[n];
}
if (dataSize <= 0)
{
continue;
}
//
if (dataSize == 1 || dataSize == numValues)
{
// quick transfer of data because data types is given by cgns database
if (cgnsVars[ff].isComponent == false)
{
if (cgio_read_all_data_type(self->cgioNum, cgioVarId, fieldDataType,
(void*)vtkVars[ff]->GetVoidPointer(0)) != CG_OK)
{
char message[81];
cgio_error_message(message);
vtkGenericWarningMacro(<< "cgio_read_all_data_type :" << message);
}
if (dataSize == 1)
{
// This is an uniform boundary condition value
for (vtkIdType idx = 1; idx < numValues; ++idx)
{
vtkVars[ff]->SetTuple(idx, vtkVars[ff]->GetTuple(0));
}
}
}
else
{
//
// VECTORS aliasing ...
// Source
cgsize_t fieldSrcStart[3] = { 1, 1, 1 };
cgsize_t fieldSrcStride[3] = { 1, 1, 1 };
cgsize_t fieldSrcEnd[3];
// Destination Memory
cgsize_t fieldVectMemStart[3] = { 1, 1, 1 };
cgsize_t fieldVectMemStride[3] = { 3, 1, 1 };
cgsize_t fieldVectMemEnd[3] = { 1, 1, 1 };
cgsize_t fieldVectMemDims[3] = { 1, 1, 1 };
fieldSrcEnd[0] = static_cast<cgsize_t>(dataSize);
fieldVectMemStride[0] = static_cast<cgsize_t>(physicalDim);
fieldVectMemDims[0] = fieldSrcEnd[0] * fieldVectMemStride[0];
fieldVectMemEnd[0] = fieldSrcEnd[0] * fieldVectMemStride[0];
if (cgio_read_data_type(self->cgioNum, cgioVarId, fieldSrcStart, fieldSrcEnd,
fieldSrcStride, fieldDataType, 1, fieldVectMemDims, fieldVectMemStart,
fieldVectMemEnd, fieldVectMemStride,
(void*)vtkVars[ff]->GetVoidPointer(cgnsVars[ff].xyzIndex - 1)) != CG_OK)
{
char message[81];
cgio_error_message(message);
vtkGenericWarningMacro(<< "cgio_read_data_type :" << message);
}
if (dataSize == 1)
{
// This is an uniform boundary condition value
for (vtkIdType idx = 1; idx < numValues; ++idx)
{
vtkVars[ff]->SetComponent(idx, cgnsVars[ff].xyzIndex - 1,
vtkVars[ff]->GetComponent(0, cgnsVars[ff].xyzIndex - 1));
}
}
}
}
}
// Append data to dataset
vtkDataSetAttributes* dsa = nullptr;
if (varCentering == CGNS_ENUMV(Vertex)) // Vertex
{
dsa = dataset->GetPointData();
}
if (varCentering == CGNS_ENUMV(FaceCenter)) // Face Center
{
dsa = dataset->GetCellData();
}
// SetData in zone dataset & clean pointers
for (std::size_t nv = 0; nv < vtkVars.size(); ++nv)
{
// only transfer allocated fields
if (vtkVars[nv] == nullptr)
{
continue;
}
if (cgnsVars[nv].isComponent == false)
{
dsa->AddArray(vtkVars[nv]);
vtkVars[nv]->Delete();
}
else if (cgnsVars[nv].xyzIndex == 1)
{
dsa->AddArray(vtkVars[nv]);
if (!dsa->GetVectors() && physicalDim == 3)
{
dsa->SetVectors(vtkVars[nv]);
}
vtkVars[nv]->Delete();
}
vtkVars[nv] = nullptr;
}
CGNSRead::releaseIds(self->cgioNum, BCDataArrayIds);
}
CGNSRead::releaseIds(self->cgioNum, BCDataSetChildrens);
}
}
CGNSRead::releaseIds(self->cgioNum, childrenIds);
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::fillArrayInformation(const std::vector<double>& solChildId,
int physicalDim, std::vector<CGNSRead::CGNSVariable>& cgnsVars,
std::vector<CGNSRead::CGNSVector>& cgnsVectors, vtkCGNSReader* self)
{
// Read variable names
for (std::size_t ff = 0; ff < cgnsVars.size(); ++ff)
{
cgio_get_name(self->cgioNum, solChildId[ff], cgnsVars[ff].name);
cgnsVars[ff].isComponent = false;
cgnsVars[ff].xyzIndex = 0;
// read node data type
CGNSRead::char_33 dataType;
cgio_get_data_type(self->cgioNum, solChildId[ff], dataType);
if (strcmp(dataType, "R8") == 0)
{
cgnsVars[ff].dt = CGNS_ENUMV(RealDouble);
}
else if (strcmp(dataType, "R4") == 0)
{
cgnsVars[ff].dt = CGNS_ENUMV(RealSingle);
}
else if (strcmp(dataType, "I4") == 0)
{
cgnsVars[ff].dt = CGNS_ENUMV(Integer);
}
else if (strcmp(dataType, "I8") == 0)
{
cgnsVars[ff].dt = CGNS_ENUMV(LongInteger);
}
else
{
continue;
}
}
// Create vector name from available variable
// when VarX, VarY, VarZ is detected
CGNSRead::fillVectorsFromVars(cgnsVars, cgnsVectors, physicalDim);
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::AllocateVtkArray(int physicalDim, int requestedVectorDim,
vtkIdType nVals, CGNS_ENUMT(GridLocation_t) varCentering,
const std::vector<CGNSRead::CGNSVariable>& cgnsVars,
const std::vector<CGNSRead::CGNSVector>& cgnsVectors, std::vector<vtkDataArray*>& vtkVars,
vtkCGNSReader* self)
{
for (std::size_t ff = 0; ff < cgnsVars.size(); ff++)
{
vtkVars[ff] = nullptr;
if (cgnsVars[ff].isComponent == false)
{
if (vtkPrivate::IsVarEnabled(varCentering, cgnsVars[ff].name, self) == false)
{
continue;
}
switch (cgnsVars[ff].dt)
{
// Other case to handle
case CGNS_ENUMV(Integer):
vtkVars[ff] = vtkIntArray::New();
break;
case CGNS_ENUMV(LongInteger):
vtkVars[ff] = vtkLongArray::New();
break;
case CGNS_ENUMV(RealSingle):
vtkVars[ff] = vtkFloatArray::New();
break;
case CGNS_ENUMV(RealDouble):
vtkVars[ff] = vtkDoubleArray::New();
break;
case CGNS_ENUMV(Character):
vtkVars[ff] = vtkCharArray::New();
break;
default:
continue;
}
vtkVars[ff]->SetName(cgnsVars[ff].name);
vtkVars[ff]->SetNumberOfComponents(1);
vtkVars[ff]->SetNumberOfTuples(nVals);
}
}
for (std::vector<CGNSRead::CGNSVector>::const_iterator iter = cgnsVectors.begin();
iter != cgnsVectors.end(); ++iter)
{
vtkDataArray* arr = nullptr;
if (vtkPrivate::IsVarEnabled(varCentering, iter->name, self) == false)
{
continue;
}
int nv = iter->xyzIndex[0];
switch (cgnsVars[nv].dt)
{
// TODO: other cases
case CGNS_ENUMV(Integer):
arr = vtkIntArray::New();
break;
case CGNS_ENUMV(LongInteger):
arr = vtkLongArray::New();
break;
case CGNS_ENUMV(RealSingle):
arr = vtkFloatArray::New();
break;
case CGNS_ENUMV(RealDouble):
arr = vtkDoubleArray::New();
break;
case CGNS_ENUMV(Character):
arr = vtkCharArray::New();
break;
default:
continue;
}
arr->SetName(iter->name);
arr->SetNumberOfComponents(requestedVectorDim);
arr->SetNumberOfTuples(nVals);
for (int dim = 0; dim < physicalDim; ++dim)
{
arr->SetComponentName(static_cast<vtkIdType>(dim), cgnsVars[iter->xyzIndex[dim]].name);
vtkVars[iter->xyzIndex[dim]] = arr;
}
for (int dim = physicalDim; dim < requestedVectorDim; ++dim)
{
arr->SetComponentName(static_cast<vtkIdType>(dim), "dummy");
}
}
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::vtkPrivate::AttachReferenceValue(int base, vtkDataSet* ds, vtkCGNSReader* self)
{
// Handle Reference Values (Mach Number, ...)
const std::map<std::string, double>& arrState =
self->Internals->Internal->GetBase(base).referenceState;
std::map<std::string, double>::const_iterator iteRef = arrState.begin();
for (iteRef = arrState.begin(); iteRef != arrState.end(); iteRef++)
{
vtkDoubleArray* refValArray = vtkDoubleArray::New();
refValArray->SetNumberOfComponents(1);
refValArray->SetName(iteRef->first.c_str());
refValArray->InsertNextValue(iteRef->second);
ds->GetFieldData()->AddArray(refValArray);
refValArray->Delete();
}
return 0;
}
//------------------------------------------------------------------------------
vtkSmartPointer<vtkDataObject> vtkCGNSReader::vtkPrivate::readCurvilinearZone(int base, int zone,
int cellDim, int physicalDim, const cgsize_t* zsize, const int* voi, vtkCGNSReader* self)
{
int rind[6];
int n;
// int ier;
// Source Layout
cgsize_t srcStart[3] = { 1, 1, 1 };
cgsize_t srcStride[3] = { 1, 1, 1 };
cgsize_t srcEnd[3];
// Memory Destination Layout
cgsize_t memStart[3] = { 1, 1, 1 };
cgsize_t memStride[3] = { 3, 1, 1 };
cgsize_t memEnd[3] = { 1, 1, 1 };
cgsize_t memDims[3] = { 1, 1, 1 };
int extent[6] = { 0, 0, 0, 0, 0, 0 };
// Get Coordinates and FlowSolution node names
std::string gridCoordName;
std::vector<std::string> solutionNames;
std::string keyMesh;
std::vector<double> gridChildId;
std::size_t nCoordsArray = 0;
vtkSmartPointer<vtkPoints> points;
vtkPrivate::getGridAndSolutionNames(base, gridCoordName, solutionNames, self);
if (gridCoordName == "Null")
{
return vtkSmartPointer<vtkDataObject>();
}
// If it is not a deforming mesh, gridCoordName keep the standard name
// Only Volume mesh points, not subset are cached
bool caching = (gridCoordName == "GridCoordinates" && voi == nullptr && self->CacheMesh);
if (caching)
{
// Try to get from cache
const char* basename = self->Internals->Internal->GetBase(base).name;
const char* zonename = self->Internals->Internal->GetBase(base).zones[zone].name;
// build a key /basename/zonename
keyMesh = vtkPrivate::GenerateMeshKey(basename, zonename);
points = self->Internals->MeshPointsCache.Find(keyMesh);
if (points.Get() != nullptr)
{
// check storage data type
if ((self->GetDoublePrecisionMesh() != 0) != (points->GetDataType() == VTK_DOUBLE))
{
points = nullptr;
}
for (n = 0; n < cellDim; n++)
{
extent[1 + 2 * n] = zsize[n] - 1;
}
}
}
// Reading points in file since cache was not hit
if (points.Get() == nullptr)
{
vtkPrivate::getCoordsIdAndFillRind(
gridCoordName, physicalDim, nCoordsArray, gridChildId, rind, self);
// Rind was parsed (or not) then populate dimensions :
// Compute structured grid coordinate range
for (n = 0; n < cellDim; n++)
{
srcStart[n] = rind[2 * n] + 1;
srcEnd[n] = rind[2 * n] + zsize[n];
memEnd[n] = zsize[n];
memDims[n] = zsize[n];
}
if (voi != nullptr)
{
// we are provided a sub-extent to read.
// First let's assert that the subextent is valid.
bool valid = true;
for (n = 0; n < cellDim; ++n)
{
valid &= (voi[2 * n] >= 0 && voi[2 * n] <= memEnd[n] && voi[2 * n + 1] >= 0 &&
voi[2 * n + 1] <= memEnd[n] && voi[2 * n] <= voi[2 * n + 1]);
}
if (!valid)
{
vtkGenericWarningMacro("Invalid sub-extent specified. Ignoring.");
}
else
{
// update src and mem pointers.
for (n = 0; n < cellDim; ++n)
{
srcStart[n] += voi[2 * n];
srcEnd[n] = srcStart[n] + (voi[2 * n + 1] - voi[2 * n]);
memEnd[n] = (voi[2 * n + 1] - voi[2 * n]) + 1;
memDims[n] = memEnd[n];
}
}
}
// Compute number of points
const vtkIdType nPts = static_cast<vtkIdType>(memEnd[0] * memEnd[1] * memEnd[2]);
// Populate the extent array
// int extent[6] = { 0, 0, 0, 0, 0, 0 };
extent[1] = memEnd[0] - 1;
extent[3] = memEnd[1] - 1;
extent[5] = memEnd[2] - 1;
// wacky hack ...
// memory aliasing is done
// since in vtk points array stores XYZ contiguously
// and they are stored separately in cgns file
// the memory layout is set so that one cgns file array
// will be filling every 3 chunks in memory
memEnd[0] *= 3;
// Set up points
points = vtkSmartPointer<vtkPoints>::New();
//
// vtkPoints assumes float data type
//
if (self->GetDoublePrecisionMesh() != 0)
{
points->SetDataTypeToDouble();
}
//
// Resize vtkPoints to fit data
//
points->SetNumberOfPoints(nPts);
//
// Populate the coordinates. Put in 3D points with z=0 if the mesh is 2D.
//
if (self->GetDoublePrecisionMesh() != 0) // DOUBLE PRECISION MESHPOINTS
{
CGNSRead::get_XYZ_mesh<double, float>(self->cgioNum, gridChildId, nCoordsArray, cellDim, nPts,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDims, points.Get());
}
else // SINGLE PRECISION MESHPOINTS
{
CGNSRead::get_XYZ_mesh<float, double>(self->cgioNum, gridChildId, nCoordsArray, cellDim, nPts,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDims, points.Get());
}
// Add points to cache
if (caching)
{
self->Internals->MeshPointsCache.Insert(keyMesh, points);
}
}
//----------------------------------------------------------------------------
// Handle solutions
//----------------------------------------------------------------------------
if (self->GetCreateEachSolutionAsBlock())
{
// Create separate grid for each solution === debugging mode
vtkNew<vtkMultiBlockDataSet> mzone;
unsigned int cc = 0;
for (std::vector<std::string>::const_iterator sniter = solutionNames.begin();
sniter != solutionNames.end(); ++sniter, ++cc)
{
// read the solution node.
vtkNew<vtkStructuredGrid> sgrid;
sgrid->SetExtent(extent);
sgrid->SetPoints(points.Get());
if (vtkPrivate::readSolution(*sniter, cellDim, physicalDim, zsize, sgrid.Get(), voi, self) ==
CG_OK)
{
vtkPrivate::AttachReferenceValue(base, sgrid.Get(), self);
mzone->SetBlock(cc, sgrid.Get());
mzone->GetMetaData(cc)->Set(vtkCompositeDataSet::NAME(), sniter->c_str());
}
}
if (!solutionNames.empty())
{
return mzone.Get();
}
}
// normal case where we great a vtkStructuredGrid for the entire zone.
vtkNew<vtkStructuredGrid> sgrid;
sgrid->SetExtent(extent);
sgrid->SetPoints(points.Get());
for (const std::string& sniter : solutionNames)
{
vtkPrivate::readSolution(sniter, cellDim, physicalDim, zsize, sgrid.Get(), voi, self);
}
vtkPrivate::AttachReferenceValue(base, sgrid.Get(), self);
return sgrid.Get();
}
//------------------------------------------------------------------------------
int vtkCGNSReader::GetCurvilinearZone(
int base, int zone, int cellDim, int physicalDim, void* v_zsize, vtkMultiBlockDataSet* mbase)
{
cgsize_t* zsize = reinterpret_cast<cgsize_t*>(v_zsize);
auto& baseInfo = this->Internals->Internal->GetBase(base);
auto& zoneInfo = baseInfo.zones[zone];
vtkSmartPointer<vtkDataObject> zoneDO = CGNSRead::ReadGridForZone(this, baseInfo, zoneInfo)
? vtkPrivate::readCurvilinearZone(base, zone, cellDim, physicalDim, zsize, nullptr, this)
: vtkSmartPointer<vtkDataObject>();
mbase->SetBlock(zone, zoneDO.Get());
//----------------------------------------------------------------------------
// Handle boundary conditions (BC) patches
//----------------------------------------------------------------------------
if (!this->CreateEachSolutionAsBlock && CGNSRead::ReadPatchesForBase(this, baseInfo))
{
vtkNew<vtkMultiBlockDataSet> newZoneMB;
vtkSmartPointer<vtkStructuredGrid> zoneGrid = vtkStructuredGrid::SafeDownCast(zoneDO);
newZoneMB->SetBlock(0u, zoneGrid);
newZoneMB->GetMetaData(0u)->Set(vtkCompositeDataSet::NAME(), "Internal");
vtkPrivate::AddIsPatchArray(zoneGrid, false);
vtkNew<vtkMultiBlockDataSet> patchesMB;
newZoneMB->SetBlock(1, patchesMB.Get());
newZoneMB->GetMetaData(1)->Set(vtkCompositeDataSet::NAME(), "Patches");
std::vector<double> zoneChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, this->currentId, zoneChildren);
for (auto iter = zoneChildren.begin(); iter != zoneChildren.end(); ++iter)
{
CGNSRead::char_33 nodeLabel;
cgio_get_label(cgioNum, (*iter), nodeLabel);
if (strcmp(nodeLabel, "ZoneBC_t") != 0)
{
continue;
}
const double zoneBCId = (*iter);
// iterate over all children and read supported BC_t nodes.
std::vector<double> zoneBCChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, zoneBCId, zoneBCChildren);
for (auto bciter = zoneBCChildren.begin(); bciter != zoneBCChildren.end(); ++bciter)
{
char label[CGIO_MAX_LABEL_LENGTH + 1];
cgio_get_label(this->cgioNum, *bciter, label);
if (strcmp(label, "BC_t") == 0)
{
try
{
BCInformation binfo(this->cgioNum, *bciter);
if (CGNSRead::ReadPatch(this, baseInfo, zoneInfo, binfo.FamilyName))
{
const unsigned int idx = patchesMB->GetNumberOfBlocks();
vtkSmartPointer<vtkDataSet> ds = zoneGrid
? binfo.CreateDataSet(cellDim, zoneGrid)
: vtkPrivate::readBCDataSet(binfo, base, zone, cellDim, physicalDim, zsize, this);
vtkPrivate::AddIsPatchArray(ds, true);
vtkCGNSReader::vtkPrivate::readBCData(
*bciter, cellDim, physicalDim, binfo.Location, ds.Get(), this);
patchesMB->SetBlock(idx, ds);
if (!binfo.FamilyName.empty())
{
vtkInformationStringKey* bcfamily = vtkCGNSReader::FAMILY();
patchesMB->GetMetaData(idx)->Set(bcfamily, binfo.FamilyName.c_str());
}
patchesMB->GetMetaData(idx)->Set(vtkCompositeDataSet::NAME(), binfo.Name);
}
}
catch (const CGIOUnsupported& ue)
{
vtkWarningMacro("Skipping BC_t node: " << ue.what());
}
catch (const CGIOError& e)
{
vtkErrorMacro("Failed to read BC_t node: " << e.what());
}
}
}
}
CGNSRead::releaseIds(this->cgioNum, zoneChildren);
zoneChildren.clear();
if (newZoneMB->GetNumberOfBlocks() > 1)
{
mbase->SetBlock(zone, newZoneMB.Get());
}
}
return 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::GetUnstructuredZone(
int base, int zone, int cellDim, int physicalDim, void* v_zsize, vtkMultiBlockDataSet* mbase)
{
cgsize_t* zsize = reinterpret_cast<cgsize_t*>(v_zsize);
////=========================================================================
const bool warningIdTypeSize = sizeof(cgsize_t) > sizeof(vtkIdType);
if (warningIdTypeSize == true)
{
vtkWarningMacro(<< "Warning cgsize_t is larger than the size as vtkIdType\n"
<< " sizeof vtkIdType = " << sizeof(vtkIdType) << "\n"
<< " sizeof cgsize_t = " << sizeof(cgsize_t) << "\n"
<< "This may cause unexpected issues. If so, please recompile with "
<< "VTK_USE_64BIT_IDS=ON.");
}
////========================================================================
#if !defined(VTK_LEGACY_REMOVE)
if (this->LoadMesh == false)
{
vtkWarningMacro(<< "Ability to not load mesh is currently only supported"
<< "for curvilinear grids and will be ignored.");
}
#endif
////========================================================================
int rind[6];
// source layout
cgsize_t srcStart[3] = { 1, 1, 1 };
cgsize_t srcStride[3] = { 1, 1, 1 };
cgsize_t srcEnd[3];
// memory destination layout
cgsize_t memStart[3] = { 1, 1, 1 };
cgsize_t memStride[3] = { 3, 1, 1 };
cgsize_t memEnd[3] = { 1, 1, 1 };
cgsize_t memDims[3] = { 1, 1, 1 };
vtkIdType nPts = 0;
// Get Coordinates and FlowSolution node names
std::string gridCoordName;
std::vector<std::string> solutionNames;
std::string keyMesh;
std::vector<double> gridChildId;
std::size_t nCoordsArray = 0;
vtkPrivate::getGridAndSolutionNames(base, gridCoordName, solutionNames, this);
if (gridCoordName == "Null")
{
mbase->SetBlock(zone, vtkSmartPointer<vtkDataObject>());
return 0;
}
vtkPrivate::getCoordsIdAndFillRind(
gridCoordName, physicalDim, nCoordsArray, gridChildId, rind, this);
// Rind was parsed or not then populate dimensions :
// get grid coordinate range
srcStart[0] = rind[0] + 1;
srcEnd[0] = rind[0] + zsize[0];
memEnd[0] = zsize[0];
memDims[0] = zsize[0];
// Compute number of points
if (!IsIdTypeBigEnough(zsize[0]))
{
// overflow! cannot open the file in current configuration.
vtkErrorMacro("vtkIdType overflow. Please compile with VTK_USE_64BIT_IDS:BOOL=ON.");
return 1;
}
nPts = static_cast<vtkIdType>(zsize[0]);
assert(nPts == zsize[0]);
vtkSmartPointer<vtkPoints> points;
// If it is not a deforming mesh, gridCoordName keep the standard name
// Only Volume mesh points, not subset are cached
bool caching = (gridCoordName == "GridCoordinates" && this->CacheMesh);
if (caching)
{
// Try to get from cache
const char* basename = this->Internals->Internal->GetBase(base).name;
const char* zonename = this->Internals->Internal->GetBase(base).zones[zone].name;
// build a key /basename/zonename
keyMesh = vtkPrivate::GenerateMeshKey(basename, zonename);
points = this->Internals->MeshPointsCache.Find(keyMesh);
if (points.Get() != nullptr)
{
// check storage data type
if ((this->GetDoublePrecisionMesh() != 0) != (points->GetDataType() == VTK_DOUBLE))
{
points = nullptr;
}
}
}
// Reading points from file instead of cache
if (points.Get() == nullptr)
{
// Set up points
points = vtkSmartPointer<vtkPoints>::New();
//
// wacky hack ...
memEnd[0] *= 3; // for memory aliasing
//
// vtkPoints assumes float data type
//
if (this->DoublePrecisionMesh != 0)
{
points->SetDataTypeToDouble();
}
//
// Resize vtkPoints to fit data
//
points->SetNumberOfPoints(nPts);
//
// Populate the coordinates. Put in 3D points with z=0 if the mesh is 2D.
//
if (this->DoublePrecisionMesh != 0) // DOUBLE PRECISION MESHPOINTS
{
CGNSRead::get_XYZ_mesh<double, float>(this->cgioNum, gridChildId, nCoordsArray, cellDim, nPts,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDims, points.Get());
}
else // SINGLE PRECISION MESHPOINTS
{
CGNSRead::get_XYZ_mesh<float, double>(this->cgioNum, gridChildId, nCoordsArray, cellDim, nPts,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDims, points.Get());
}
// Add points to cache
if (caching)
{
this->Internals->MeshPointsCache.Insert(keyMesh, points);
}
}
this->UpdateProgress(0.2);
// points are now loaded
//----------------------
// Read List of zone children ids
// and Get connectivities and solutions
std::vector<double> zoneChildId;
CGNSRead::getNodeChildrenId(this->cgioNum, this->currentId, zoneChildId);
//
std::vector<double> elemIdList;
for (std::size_t nn = 0; nn < zoneChildId.size(); nn++)
{
char nodeLabel[CGIO_MAX_NAME_LENGTH + 1];
cgio_get_label(cgioNum, zoneChildId[nn], nodeLabel);
if (strcmp(nodeLabel, "Elements_t") == 0)
{
elemIdList.push_back(zoneChildId[nn]);
}
else
{
cgio_release_id(this->cgioNum, zoneChildId[nn]);
}
}
//---------------------------------------------------------------------
// Handle connectivities
//---------------------------------------------------------------------
// Read the number of sections, for the zone.
int nsections = 0;
nsections = static_cast<int>(elemIdList.size());
std::string keyConnect; // key to store connectivity.
std::vector<SectionInformation> sectionInfoList(nsections);
// Find section layout
// Section is composed of => 1 Volume + bnd surfaces
// => multi-Volume + Bnd surfaces
// bnd surfaces are pointed to by bc_t nodes !
// determine dim to allocate for connectivity reading
cgsize_t elementCoreSize = 0;
vtkIdType numCoreCells = 0;
//
std::vector<int> coreSec;
std::vector<int> bndSec;
std::vector<int> sizeSec;
std::vector<int> startSec;
//
numCoreCells = 0; // force initialize
for (int sec = 0; sec < nsections; ++sec)
{
CGNS_ENUMT(ElementType_t) elemType = CGNS_ENUMV(ElementTypeNull);
cgsize_t elementSize = 0;
//
sectionInfoList[sec].elemType = CGNS_ENUMV(ElementTypeNull);
sectionInfoList[sec].range[0] = 1;
sectionInfoList[sec].range[1] = 1;
sectionInfoList[sec].bound = 0;
sectionInfoList[sec].eDataSize = 0;
//
CGNSRead::char_33 dataType;
std::vector<vtkTypeInt32> mdata;
if (cgio_get_name(this->cgioNum, elemIdList[sec], sectionInfoList[sec].name) != CG_OK)
{
vtkErrorMacro(<< "Error while getting section node name\n");
}
if (cgio_get_data_type(cgioNum, elemIdList[sec], dataType) != CG_OK)
{
vtkErrorMacro(<< "Error in cgio_get_data_type for section node\n");
}
if (strcmp(dataType, "I4") != 0)
{
vtkErrorMacro(<< "Unexpected data type for dimension data of Element\n");
}
CGNSRead::readNodeData<vtkTypeInt32>(cgioNum, elemIdList[sec], mdata);
if (mdata.size() != 2)
{
vtkErrorMacro(<< "Unexpected data for Elements_t node\n");
}
sectionInfoList[sec].elemType = static_cast<CGNS_ENUMT(ElementType_t)>(mdata[0]);
sectionInfoList[sec].bound = mdata[1];
// ElementRange
double elemRangeId;
double elemConnectId;
cgio_get_node_id(this->cgioNum, elemIdList[sec], "ElementRange", &elemRangeId);
// read node data type
if (cgio_get_data_type(this->cgioNum, elemRangeId, dataType) != CG_OK)
{
std::cerr << "Error in cgio_get_data_type for ElementRange" << std::endl;
continue;
}
if (strcmp(dataType, "I4") == 0)
{
std::vector<vtkTypeInt32> mdata2;
CGNSRead::readNodeData<vtkTypeInt32>(this->cgioNum, elemRangeId, mdata2);
if (mdata2.size() != 2)
{
vtkErrorMacro(<< "Unexpected data for ElementRange node\n");
}
sectionInfoList[sec].range[0] = static_cast<cgsize_t>(mdata2[0]);
sectionInfoList[sec].range[1] = static_cast<cgsize_t>(mdata2[1]);
}
else if (strcmp(dataType, "I8") == 0)
{
std::vector<vtkTypeInt64> mdata2;
CGNSRead::readNodeData<vtkTypeInt64>(this->cgioNum, elemRangeId, mdata2);
if (mdata2.size() != 2)
{
vtkErrorMacro(<< "Unexpected data for ElementRange node\n");
}
sectionInfoList[sec].range[0] = static_cast<cgsize_t>(mdata2[0]);
sectionInfoList[sec].range[1] = static_cast<cgsize_t>(mdata2[1]);
}
else
{
std::cerr << "Unexpected data type for dimension data of Element" << std::endl;
continue;
}
elementSize =
sectionInfoList[sec].range[1] - sectionInfoList[sec].range[0] + 1; // Interior Volume + Bnd
elemType = sectionInfoList[sec].elemType;
cgio_get_node_id(this->cgioNum, elemIdList[sec], "ElementConnectivity", &elemConnectId);
cgsize_t dimVals[12];
int ndim;
if (cgio_get_dimensions(cgioNum, elemConnectId, &ndim, dimVals) != CG_OK)
{
cgio_error_exit("cgio_get_dimensions");
vtkErrorMacro(<< "Could not determine ElementDataSize\n");
continue;
}
if (ndim != 1)
{
vtkErrorMacro(<< "ElementConnectivity wrong dimension\n");
continue;
}
sectionInfoList[sec].eDataSize = dimVals[0];
// Skip if it is a boundary
if (sectionInfoList[sec].range[0] > zsize[1])
{
vtkDebugMacro(<< "@@ Boundary Section not accounted\n");
bndSec.push_back(sec);
continue;
}
cgsize_t eDataSize = 0;
eDataSize = dimVals[0];
if (elemType != CGNS_ENUMV(MIXED))
{
eDataSize += elementSize;
}
//
sizeSec.push_back(eDataSize);
startSec.push_back(sectionInfoList[sec].range[0] - 1);
elementCoreSize += (eDataSize);
if (!IsIdTypeBigEnough(elementSize + numCoreCells))
{
vtkErrorMacro("vtkIdType overflow. Please compile with VTK_USE_64BIT_IDS:BOOL=ON.");
return 1;
}
numCoreCells += elementSize;
coreSec.push_back(sec);
//
}
//
// Detect type of zone elements definition
// By Elements --> quad, tri ... mixed
// Or by Face Connectivity --> NGON_n, NFACE_n
//
std::vector<int> ngonSec;
std::vector<int> nfaceSec;
bool hasNFace = false;
bool hasNGon = false;
bool hasElemDefinition = false;
for (int sec = 0; sec < nsections; ++sec)
{
if (sectionInfoList[sec].elemType == CGNS_ENUMV(NFACE_n))
{
hasNFace = true;
nfaceSec.push_back(sec);
}
else if (sectionInfoList[sec].elemType == CGNS_ENUMV(NGON_n))
{
hasNGon = true;
ngonSec.push_back(sec);
}
else
{
hasElemDefinition = true;
}
}
if (hasNFace && !hasNGon)
{
vtkErrorMacro("NFace_n requires NGon_n definition");
return 1;
}
if (hasElemDefinition && hasNGon)
{
vtkErrorMacro("Mixed definition of unstructured zone by elements and by faces is not valid.");
return 1;
}
// Set up ugrid - we need to refer to it if we're building an NFACE_n or NGON_n grid
// Create an unstructured grid to contain the points.
vtkSmartPointer<vtkUnstructuredGrid> ugrid;
caching = this->CacheConnectivity;
if (caching)
{
// Try to get the Grid Connectivity from cache
// else create new grid
const char* basename = this->Internals->Internal->GetBase(base).name;
const char* zonename = this->Internals->Internal->GetBase(base).zones[zone].name;
// build a key /basename/zonename
std::ostringstream query;
query << "/" << basename << "/" << zonename << "/core";
keyConnect = query.str();
ugrid = this->Internals->ConnectivitiesCache.Find(keyConnect);
if (ugrid.Get() != nullptr)
{
if ((ugrid->GetNumberOfCells() != numCoreCells && !hasNGon) ||
(ugrid->GetNumberOfCells() != zsize[1] && hasNGon))
{
vtkWarningMacro(<< "Connectivities from the cache have"
" a different number of cells from"
" those being read, ditching the cache");
ugrid = nullptr;
}
else
{
ugrid->SetPoints(points.Get());
}
}
}
if (ugrid.Get() == nullptr)
{
ugrid = vtkSmartPointer<vtkUnstructuredGrid>::New();
ugrid->SetPoints(points.Get());
//
if (hasNGon)
{
// READ NGON CONNECTIVITY
//
// Define start of Ngon Connectivity Array for each section
std::vector<vtkIdType> startArraySec(ngonSec.size());
std::vector<vtkIdType> startRangeSec(ngonSec.size());
std::size_t faceElementsSize = 0;
vtkIdType numFaces(0);
for (std::size_t sec = 0; sec < ngonSec.size(); sec++)
{
int curSec = ngonSec[sec];
int curStart = sectionInfoList[curSec].range[0] - 1;
numFaces += 1 + sectionInfoList[curSec].range[1] - sectionInfoList[curSec].range[0];
vtkIdType curArrayStart = 0;
vtkIdType curRangeStart = 0;
for (std::size_t lse = 0; lse < ngonSec.size(); lse++)
{
int lseSec = ngonSec[lse];
if (sectionInfoList[lseSec].range[0] - 1 < curStart)
{
curArrayStart += sectionInfoList[lseSec].eDataSize;
curRangeStart +=
sectionInfoList[lseSec].range[1] - sectionInfoList[lseSec].range[0] + 1;
}
}
startArraySec[sec] = curArrayStart;
startRangeSec[sec] = curRangeStart;
faceElementsSize += sectionInfoList[curSec].eDataSize;
}
std::vector<vtkIdType> faceElementsIdx;
std::vector<vtkIdType> faceElementsArr;
bool old_polygonal_layout = false;
faceElementsArr.resize(faceElementsSize);
faceElementsIdx.resize(numFaces + 1);
faceElementsIdx[0] = 0;
// Now load the faces that are in NGON_n format.
for (std::size_t sec = 0; sec < ngonSec.size(); sec++)
{
cgsize_t fDataSize(0);
cgsize_t offsetDataSize(0);
std::size_t osec = ngonSec[sec];
fDataSize = sectionInfoList[osec].eDataSize;
vtkIdType* localFaceElementsArr = &(faceElementsArr[startArraySec[sec]]);
vtkIdType* localFaceElementsIdx = &(faceElementsIdx[startRangeSec[sec]]);
offsetDataSize = sectionInfoList[osec].range[1] - sectionInfoList[osec].range[0] + 2;
cgsize_t memDim[2];
srcStart[0] = 1;
srcEnd[0] = offsetDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = offsetDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = offsetDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, elemIdList[osec], 1, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localFaceElementsIdx))
{
// NOTE: the old polygonal layout was replaced in CGNS version 4.0
// NOTE: support for the old NFACE_n/NGON_n array layout may be deprecated in
// NOTE: a future version of ParaView.
old_polygonal_layout = true;
}
if (startArraySec[sec] != 0)
{
// Add offset since it is not the first section
for (vtkIdType idx = 0; idx < offsetDataSize; idx++)
{
localFaceElementsIdx[idx] += startArraySec[sec];
}
}
srcStart[0] = 1;
srcEnd[0] = fDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = fDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = fDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[osec], 1, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localFaceElementsArr))
{
vtkErrorMacro("FAILED to read NGON_n cells\n");
return 1;
}
}
// Loading Done
//
if (old_polygonal_layout)
{
// Regenerate a faceElementIdx lookupTable
vtkIdType curFace = 0;
vtkIdType curNodeInFace = 0;
faceElementsIdx[0] = 0;
for (vtkIdType idxFace = 0; idxFace < static_cast<vtkIdType>(faceElementsIdx.size() - 1);
++idxFace)
{
vtkIdType nVertexOnCurFace = faceElementsArr[curFace];
faceElementsIdx[idxFace + 1] = faceElementsIdx[idxFace] + nVertexOnCurFace;
for (vtkIdType idxVertex = 0; idxVertex < nVertexOnCurFace; idxVertex++)
{
faceElementsArr[curNodeInFace] = faceElementsArr[curFace + idxVertex + 1];
curNodeInFace++;
}
curFace += nVertexOnCurFace + 1;
}
}
// Now take care of NFACE_n properly
//
// In case of unordered section :
std::vector<vtkIdType> startNFaceArraySec(nfaceSec.size());
std::vector<vtkIdType> startNFaceRangeSec(nfaceSec.size());
std::size_t cellElementsSize = 0;
vtkIdType numCells(0);
for (std::size_t sec = 0; sec < nfaceSec.size(); sec++)
{
int curSec = nfaceSec[sec];
int curStart = sectionInfoList[curSec].range[0] - 1;
numCells += 1 + sectionInfoList[curSec].range[1] - sectionInfoList[curSec].range[0];
vtkIdType curNFaceArrayStart = 0;
vtkIdType curRangeStart = 0;
for (std::size_t lse = 0; lse < nfaceSec.size(); lse++)
{
int lseSec = nfaceSec[lse];
if (sectionInfoList[lseSec].range[0] - 1 < curStart)
{
curNFaceArrayStart += sectionInfoList[lseSec].eDataSize;
curRangeStart +=
sectionInfoList[lseSec].range[1] - sectionInfoList[lseSec].range[0] + 1;
}
}
startNFaceArraySec[sec] = curNFaceArrayStart;
startNFaceRangeSec[sec] = curRangeStart;
cellElementsSize += sectionInfoList[curSec].eDataSize;
}
//
std::vector<vtkIdType> cellElementsArr;
std::vector<vtkIdType> cellElementsIdx;
cellElementsArr.resize(cellElementsSize);
cellElementsIdx.resize(numCells + 1);
if (hasNFace && numCells < zsize[1])
{
vtkErrorMacro("number of NFACE_n cells is not coherent with Zone_t declaration \n");
return 1;
}
// Load NFace_n connectivities
for (std::size_t sec = 0; sec < nfaceSec.size(); sec++)
{
cgsize_t eDataSize(0);
cgsize_t offsetDataSize(0);
std::size_t osec = nfaceSec[sec];
double cgioSectionId;
cgioSectionId = elemIdList[osec];
eDataSize = sectionInfoList[osec].eDataSize;
offsetDataSize = sectionInfoList[osec].range[1] - sectionInfoList[osec].range[0] + 2;
vtkIdType* localCellElementsArr = &(cellElementsArr[startNFaceArraySec[sec]]);
vtkIdType* localCellElementsIdx = &(cellElementsIdx[startNFaceRangeSec[sec]]);
cgsize_t memDim[2];
srcStart[0] = 1;
srcEnd[0] = offsetDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = offsetDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = offsetDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, cgioSectionId, 1, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localCellElementsIdx))
{
// NOTE: the old polygonal layout was replaced in CGNS version 4.0
// NOTE: support for the old NFACE_n/NGON_n array layout may be deprecated in
// NOTE: a future version of ParaView.
old_polygonal_layout = true;
}
if (startNFaceArraySec[sec] != 0)
{
// Add offset since it is not the first section
for (vtkIdType idx = 0; idx < offsetDataSize; idx++)
{
localCellElementsIdx[idx] += startNFaceArraySec[sec];
}
}
srcStart[0] = 1;
srcEnd[0] = eDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = eDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = eDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, cgioSectionId, 1, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localCellElementsArr))
{
vtkErrorMacro("FAILED to read NFACE_n cells\n");
return 1;
}
cgio_release_id(this->cgioNum, cgioSectionId);
}
// ok, now we have the face-to-node connectivity array and the cell-to-face connectivity
// array.
// VTK, however, has no concept of faces, and uses cell-to-node connectivity, so the
// intermediate faces
// need to be taken out of the description.
// Basic CGNS 3.4 support
if (old_polygonal_layout)
{
// Regenerate cellElementIdx lookupTable
vtkIdType curCell = 0;
vtkIdType curFaceInCell = 0;
cellElementsIdx[0] = 0;
for (vtkIdType idxCell = 0; idxCell < static_cast<vtkIdType>(cellElementsIdx.size() - 1);
++idxCell)
{
vtkIdType nFaceInCell = cellElementsArr[curCell];
cellElementsIdx[idxCell + 1] = cellElementsIdx[idxCell] + nFaceInCell;
for (vtkIdType idxFace = 0; idxFace < nFaceInCell; idxFace++)
{
cellElementsArr[curFaceInCell] = cellElementsArr[curCell + idxFace + 1];
curFaceInCell++;
}
curCell += nFaceInCell + 1;
}
}
for (vtkIdType nc = 0; nc < numCells; nc++)
{
int numCellFaces = cellElementsIdx[nc + 1] - cellElementsIdx[nc];
vtkNew<vtkIdList> faces;
faces->InsertNextId(numCellFaces);
for (vtkIdType nf = 0; nf < numCellFaces; ++nf)
{
vtkIdType faceId = cellElementsArr[cellElementsIdx[nc] + nf];
bool mustReverse = faceId > 0;
faceId = std::abs(faceId);
// the following is needed because when the NGON_n face data do not precedes the
// NFACE_n cell data, the indices are continuous, so a "global-to-local" mapping must be
// done.
for (std::size_t sec = 0; sec < ngonSec.size(); sec++)
{
int curSec = ngonSec[sec];
//
if (faceId <= sectionInfoList[curSec].range[1] &&
faceId >= sectionInfoList[curSec].range[0])
{
faceId = faceId - sectionInfoList[curSec].range[0] + 1 + startRangeSec[sec];
break;
}
}
faceId -= 1; // CGNS uses FORTRAN ID style, starting at 1
vtkIdType startNode = faceElementsIdx[faceId];
vtkIdType endNode = faceElementsIdx[faceId + 1];
vtkIdType numNodes = endNode - startNode;
faces->InsertNextId(numNodes);
/* Each face is composed of multiple vertex */
if (mustReverse)
{
for (vtkIdType nn = numNodes - 1; nn >= 0; --nn)
{
vtkIdType nodeID =
faceElementsArr[startNode + nn] - 1; // AGAIN subtract 1 from node ID
faces->InsertNextId(nodeID);
}
}
else
{
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID =
faceElementsArr[startNode + nn] - 1; // AGAIN subtract 1 from node ID
faces->InsertNextId(nodeID);
}
}
}
ugrid->InsertNextCell(VTK_POLYHEDRON, faces.GetPointer());
}
// If NGon_n but no NFace_n load POLYGONS
if (!hasNFace)
{
for (vtkIdType nf = 0; nf < numFaces; ++nf)
{
vtkIdType startNode = faceElementsIdx[nf];
vtkIdType endNode = faceElementsIdx[nf + 1];
vtkIdType numNodes = endNode - startNode;
vtkNew<vtkIdList> nodes;
// nodes->InsertNextId(numNodes);
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID = faceElementsArr[startNode + nn] - 1;
nodes->InsertNextId(nodeID);
}
ugrid->InsertNextCell(VTK_POLYGON, nodes.GetPointer());
}
}
}
else
{
// READ ELEMENT CONNECTIVITY
//
std::vector<vtkIdType> startArraySec(coreSec.size());
for (std::size_t sec = 0; sec < coreSec.size(); sec++)
{
int curStart = startSec[sec];
vtkIdType curArrayStart = 0;
for (std::size_t lse = 0; lse < coreSec.size(); lse++)
{
if (startSec[lse] < curStart)
{
curArrayStart += sizeSec[lse];
}
}
startArraySec[sec] = curArrayStart;
}
// Create Cell Array
vtkNew<vtkCellArray> cells;
// Modification for memory reliability
vtkNew<vtkIdTypeArray> cellLocations;
cellLocations->SetNumberOfValues(elementCoreSize);
vtkIdType* elements = cellLocations->GetPointer(0);
if (elements == nullptr)
{
vtkErrorMacro(<< "Could not allocate memory for connectivity\n");
return 1;
}
int* cellsTypes = new int[numCoreCells];
if (cellsTypes == nullptr)
{
vtkErrorMacro(<< "Could not allocate memory for connectivity\n");
return 1;
}
// Iterate over core sections.
for (std::vector<int>::iterator iter = coreSec.begin(); iter != coreSec.end(); ++iter)
{
size_t sec = *iter;
CGNS_ENUMT(ElementType_t) elemType = CGNS_ENUMV(ElementTypeNull);
cgsize_t start = 1, end = 1;
cgsize_t elementSize = 0;
start = sectionInfoList[sec].range[0];
end = sectionInfoList[sec].range[1];
elemType = sectionInfoList[sec].elemType;
elementSize = end - start + 1; // Interior Volume + Bnd
double cgioSectionId;
cgioSectionId = elemIdList[sec];
if (elemType != CGNS_ENUMV(MIXED))
{
// All cells are of the same type.
int numPointsPerCell = 0;
int cellType;
bool higherOrderWarning;
bool reOrderElements;
//
if (cg_npe(elemType, &numPointsPerCell) || numPointsPerCell == 0)
{
vtkErrorMacro(<< "Invalid numPointsPerCell\n");
}
cellType = CGNSRead::GetVTKElemType(elemType, higherOrderWarning, reOrderElements);
//
for (vtkIdType i = start - 1; i < end; i++)
{
cellsTypes[i] = cellType;
}
//
cgsize_t eDataSize = 0;
cgsize_t EltsEnd = elementSize + start - 1;
eDataSize = sectionInfoList[sec].eDataSize;
vtkDebugMacro(<< "Element data size for sec " << sec << " is: " << eDataSize << "\n");
if (eDataSize != numPointsPerCell * elementSize)
{
vtkErrorMacro(<< "FATAL wrong elements dimensions\n");
}
// pointer on start !!
vtkIdType* localElements = &(elements[startArraySec[sec]]);
cgsize_t memDim[2];
cgsize_t npe = numPointsPerCell;
// How to handle per process reading for unstructured mesh
// + npe* ( wantedstartperprocess-start ) ; startoffset
srcStart[0] = 1;
srcStart[1] = 1;
srcEnd[0] = (EltsEnd - start + 1) * npe;
srcEnd[1] = 1;
srcStride[0] = 1;
srcStride[1] = 1;
memStart[0] = 2;
memStart[1] = 1;
memEnd[0] = npe + 1;
memEnd[1] = EltsEnd - start + 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = npe + 1;
memDim[1] = EltsEnd - start + 1;
memset(localElements, 1, sizeof(vtkIdType) * (npe + 1) * (EltsEnd - start + 1));
CGNSRead::get_section_connectivity(this->cgioNum, cgioSectionId, 2, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localElements);
// Add numptspercell and do -1 on indexes
for (vtkIdType icell = 0; icell < elementSize; ++icell)
{
vtkIdType pos = icell * (numPointsPerCell + 1);
localElements[pos] = static_cast<vtkIdType>(numPointsPerCell);
for (vtkIdType ip = 0; ip < numPointsPerCell; ++ip)
{
pos++;
localElements[pos] = localElements[pos] - 1;
}
}
if (reOrderElements == true)
{
CGNSRead::CGNS2VTKorderMonoElem(elementSize, cellType, localElements);
}
}
else if (elemType == CGNS_ENUMV(MIXED))
{
//
int numPointsPerCell = 0;
int cellType;
bool higherOrderWarning;
bool reOrderElements;
// pointer on start !!
vtkIdType* localElements = &(elements[startArraySec[sec]]);
cgsize_t eDataSize = 0;
eDataSize = sectionInfoList[sec].eDataSize;
cgsize_t memDim[2];
srcStart[0] = 1;
srcEnd[0] = eDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = eDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = eDataSize;
memDim[1] = 1;
CGNSRead::get_section_connectivity(this->cgioNum, cgioSectionId, 1, srcStart, srcEnd,
srcStride, memStart, memEnd, memStride, memDim, localElements);
vtkIdType pos = 0;
reOrderElements = false;
for (vtkIdType icell = 0, i = start - 1; icell < elementSize; ++icell, ++i)
{
bool orderFlag;
elemType = static_cast<CGNS_ENUMT(ElementType_t)>(localElements[pos]);
cg_npe(elemType, &numPointsPerCell);
cellType = CGNSRead::GetVTKElemType(elemType, higherOrderWarning, orderFlag);
reOrderElements = reOrderElements | orderFlag;
cellsTypes[i] = cellType;
localElements[pos] = static_cast<vtkIdType>(numPointsPerCell);
pos++;
for (vtkIdType ip = 0; ip < numPointsPerCell; ip++)
{
localElements[ip + pos] = localElements[ip + pos] - 1;
}
pos += numPointsPerCell;
}
if (reOrderElements == true)
{
CGNSRead::CGNS2VTKorder(elementSize, &cellsTypes[start - 1], localElements);
}
}
else
{
vtkErrorMacro(<< "Unsupported element Type\n");
return 1;
}
cgio_release_id(this->cgioNum, cgioSectionId);
}
cells->SetCells(numCoreCells, cellLocations.GetPointer());
ugrid->SetCells(cellsTypes, cells.GetPointer());
delete[] cellsTypes;
}
if (caching)
{
this->Internals->ConnectivitiesCache.Insert(keyConnect, ugrid);
}
}
//
auto& baseInfo = this->Internals->Internal->GetBase(base);
auto& zoneInfo = baseInfo.zones[zone];
const bool requiredPatch = CGNSRead::ReadPatchesForBase(this, baseInfo);
// SetUp zone Blocks
vtkMultiBlockDataSet* mzone = vtkMultiBlockDataSet::New();
if (!bndSec.empty() && requiredPatch)
{
mzone->SetNumberOfBlocks(2);
}
else
{
mzone->SetNumberOfBlocks(1);
}
mzone->GetMetaData((unsigned int)0)->Set(vtkCompositeDataSet::NAME(), "Internal");
//----------------------------------------------------------------------------
// Handle solutions
//----------------------------------------------------------------------------
for (const std::string& sniter : solutionNames)
{
// cellDim=1 is based on the code that was previously here. With cellDim=1, I was
// able to share the code between Curlinear and Unstructured grids for reading
// solutions.
vtkPrivate::readSolution(
sniter, /*cellDim=*/1, physicalDim, zsize, ugrid.Get(), /*voi=*/nullptr, this);
}
// Handle Reference Values (Mach Number, ...)
vtkPrivate::AttachReferenceValue(base, ugrid.Get(), this);
//--------------------------------------------------
// Read patch boundary Sections
//--------------------------------------------------
// Iterate over bnd sections.
vtkPrivate::AddIsPatchArray(ugrid.Get(), false);
if (hasNFace && requiredPatch)
{
//----------------------------------------------------------------------------
// Handle boundary conditions (BC) patches for polyhedral grid
//----------------------------------------------------------------------------
mzone->SetBlock(0u, ugrid.Get());
mzone->GetMetaData(0u)->Set(vtkCompositeDataSet::NAME(), "Internal");
//
vtkNew<vtkMultiBlockDataSet> patchesMB;
mzone->SetBlock(1, patchesMB.Get());
mzone->GetMetaData(1)->Set(vtkCompositeDataSet::NAME(), "Patches");
// multi patch build
//
std::vector<double> zoneChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, this->currentId, zoneChildren);
for (auto iter = zoneChildren.begin(); iter != zoneChildren.end(); ++iter)
{
CGNSRead::char_33 nodeLabel;
cgio_get_label(cgioNum, (*iter), nodeLabel);
if (strcmp(nodeLabel, "ZoneBC_t") != 0)
{
continue;
}
const double zoneBCId = (*iter);
// iterate over all children and read supported BC_t nodes.
std::vector<double> zoneBCChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, zoneBCId, zoneBCChildren);
for (auto bciter = zoneBCChildren.begin(); bciter != zoneBCChildren.end(); ++bciter)
{
char label[CGIO_MAX_LABEL_LENGTH + 1];
cgio_get_label(this->cgioNum, *bciter, label);
if (strcmp(label, "BC_t") == 0)
{
try
{
BCInformationUns binfo(this->cgioNum, *bciter, cellDim);
if (CGNSRead::ReadPatch(this, baseInfo, zoneInfo, binfo.FamilyName))
{
std::vector<vtkIdList*> bndFaceList;
//
// Read Polygons ...
//------------------
if (binfo.BCElementRange.size() == 2)
{
vtkIdType bcStartFaceId = binfo.BCElementRange[0];
vtkIdType bcEndFaceId = binfo.BCElementRange[1];
vtkIdType residualNumFacesToRead = bcEndFaceId - bcStartFaceId + 1;
bndFaceList.resize(residualNumFacesToRead, nullptr);
for (vtkIdType faceId = 0; faceId < residualNumFacesToRead; faceId++)
{
bndFaceList[faceId] = vtkIdList::New();
}
for (std::size_t sec = 0; sec < ngonSec.size(); sec++)
{
int curSec = ngonSec[sec];
//
// Compute range intersection with current section
//------------------------------------------------
cgsize_t startFaceId = std::max(sectionInfoList[curSec].range[0],
static_cast<cgsize_t>(binfo.BCElementRange[0]));
cgsize_t endFaceId = std::min(sectionInfoList[curSec].range[1],
static_cast<cgsize_t>(binfo.BCElementRange[1]));
cgsize_t numFacesToRead = endFaceId - startFaceId + 1;
if (numFacesToRead <= 0)
continue;
// Do a partial read of Faces in current Section
//----------------------------------------------
std::vector<vtkIdType> bcFaceElementsIdx;
std::vector<vtkIdType> bcFaceElementsArr;
bcFaceElementsIdx.resize(numFacesToRead + 1);
cgsize_t memDim[2];
srcStart[0] = startFaceId - sectionInfoList[curSec].range[0] + 1;
srcEnd[0] = srcStart[0] + numFacesToRead;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = numFacesToRead + 1;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = numFacesToRead + 1;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
bcFaceElementsIdx.data()))
{
vtkErrorMacro("Partial read of NGON_n ElementStartOffset array for BC FAILED.");
return 1;
}
bcFaceElementsArr.resize(
bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0]);
srcStart[0] = bcFaceElementsIdx[0] + 1;
srcEnd[0] = bcFaceElementsIdx[numFacesToRead];
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0];
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0];
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
bcFaceElementsArr.data()))
{
vtkErrorMacro("Partial read of BC NGON_n faces FAILED\n");
return 1;
}
// Prepare nodes to generate polygons
for (vtkIdType nf = 0; nf < numFacesToRead; ++nf)
{
vtkIdType startNode = bcFaceElementsIdx[nf] - bcFaceElementsIdx[0];
vtkIdType numNodes = bcFaceElementsIdx[nf + 1] - bcFaceElementsIdx[nf];
vtkIdList* nodes = bndFaceList[nf + startFaceId - bcStartFaceId];
// nodes->InsertNextId(numNodes);
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID = bcFaceElementsArr[startNode + nn] - 1;
nodes->InsertNextId(nodeID);
}
}
residualNumFacesToRead -= numFacesToRead;
if (residualNumFacesToRead <= 0)
break;
}
}
else if (!binfo.BCElementList.empty())
{
vtkIdType residualNumFacesToRead =
static_cast<vtkIdType>(binfo.BCElementList.size());
std::vector<bool> BCElementRead(binfo.BCElementList.size(), false);
const auto bcminmax = std::minmax_element(
std::begin(binfo.BCElementList), std::end(binfo.BCElementList));
bndFaceList.resize(residualNumFacesToRead, nullptr);
for (vtkIdType faceId = 0; faceId < residualNumFacesToRead; faceId++)
{
bndFaceList[faceId] = vtkIdList::New();
}
for (std::size_t sec = 0; sec < ngonSec.size(); sec++)
{
int curSec = ngonSec[sec];
std::vector<std::pair<vtkIdType, vtkIdType>> faceElemToRead;
//
// Compute list of face in current section
//------------------------------------------------
// Quick skip useless section
if ((*bcminmax.first > sectionInfoList[curSec].range[1]) ||
(*bcminmax.second < sectionInfoList[curSec].range[0]))
{
continue;
}
for (std::size_t idx = 0; idx < BCElementRead.size(); idx++)
{
if (BCElementRead[idx] == true)
{
continue;
}
if (binfo.BCElementList[idx] >= sectionInfoList[curSec].range[0] &&
binfo.BCElementList[idx] <= sectionInfoList[curSec].range[1])
{
faceElemToRead.emplace_back(binfo.BCElementList[idx], idx);
BCElementRead[idx] = true;
}
}
// Nothing to read in this section
if (faceElemToRead.empty())
{
continue;
}
// sort face Bnd Element to Read
std::sort(faceElemToRead.begin(), faceElemToRead.end());
// Generate partial contiguous chuncks to read
vtkIdType curFaceId = faceElemToRead[0].first;
std::vector<vtkIdType> rangeIdx;
rangeIdx.push_back(0);
vtkIdType sizeFaceElemToRead = static_cast<vtkIdType>(faceElemToRead.size());
for (vtkIdType ii = 1; ii < sizeFaceElemToRead; ii++)
{
if (faceElemToRead[ii].first != curFaceId + 1)
{
rangeIdx.push_back(ii);
}
curFaceId = faceElemToRead[ii].first;
}
rangeIdx.push_back(sizeFaceElemToRead);
// Do each partial range read
for (size_t ii = 1; ii < rangeIdx.size(); ii++)
{
vtkIdType startFaceId = faceElemToRead[rangeIdx[ii - 1]].first;
vtkIdType endFaceId = faceElemToRead[rangeIdx[ii] - 1].first;
vtkIdType numFacesToRead = endFaceId - startFaceId + 1;
// do partial read
//----------------
std::vector<vtkIdType> bcFaceElementsIdx;
std::vector<vtkIdType> bcFaceElementsArr;
bcFaceElementsIdx.resize(numFacesToRead + 1);
cgsize_t memDim[2];
srcStart[0] = startFaceId - sectionInfoList[curSec].range[0] + 1;
srcEnd[0] = endFaceId - sectionInfoList[curSec].range[0] + 2;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = numFacesToRead + 1;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = numFacesToRead + 1;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
bcFaceElementsIdx.data()))
{
vtkErrorMacro(
"Partial read of NGON_n ElementStartOffset array for BC FAILED.");
return 1;
}
bcFaceElementsArr.resize(
bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0]);
srcStart[0] = bcFaceElementsIdx[0] + 1;
srcEnd[0] = bcFaceElementsIdx[numFacesToRead];
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0];
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = bcFaceElementsIdx[numFacesToRead] - bcFaceElementsIdx[0];
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
bcFaceElementsArr.data()))
{
vtkErrorMacro("Partial read of BC NGON_n faces FAILED\n");
return 1;
}
// Now append
for (vtkIdType nf = 0; nf < numFacesToRead; ++nf)
{
vtkIdType startNode = bcFaceElementsIdx[nf] - bcFaceElementsIdx[0];
vtkIdType numNodes = bcFaceElementsIdx[nf + 1] - bcFaceElementsIdx[nf];
vtkIdList* nodes = bndFaceList[faceElemToRead[rangeIdx[ii - 1] + nf].second];
// nodes->InsertNextId(numNodes);
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID = bcFaceElementsArr[startNode + nn] - 1;
nodes->InsertNextId(nodeID);
}
}
}
residualNumFacesToRead -= sizeFaceElemToRead;
if (residualNumFacesToRead <= 0)
break;
}
}
else
{
continue;
}
// Generate support unstructured grid
vtkSmartPointer<vtkUnstructuredGrid> bcGrid =
vtkSmartPointer<vtkUnstructuredGrid>::New();
vtkNew<vtkIdList> sortedBCPtIds;
for (auto nodes : bndFaceList)
{
for (vtkIdType ii = 0; ii < nodes->GetNumberOfIds(); ii++)
{
sortedBCPtIds->InsertUniqueId(nodes->GetId(ii));
}
}
#if VTK_MAJOR_VERSION >= 8
sortedBCPtIds->Sort();
#endif
// Renumbering //
std::unordered_map<vtkIdType, vtkIdType> translateIds;
for (vtkIdType newId = 0; newId < sortedBCPtIds->GetNumberOfIds(); newId++)
{
vtkIdType oldId = sortedBCPtIds->GetId(newId);
translateIds[oldId] = newId;
}
// Create dedicated vtkPoints for BC
vtkSmartPointer<vtkPoints> bcPoints = vtkSmartPointer<vtkPoints>::New();
bcPoints->SetDataType(points->GetDataType());
bcPoints->SetNumberOfPoints(sortedBCPtIds->GetNumberOfIds());
#if VTK_MAJOR_VERSION >= 8
points->GetPoints(sortedBCPtIds, bcPoints.Get());
#else
points->GetPoints(sortedBCPtIds.GetPointer(), bcPoints.Get());
#endif
bcGrid->SetPoints(bcPoints.Get());
// set new ids in bndFaceList
for (auto nodes : bndFaceList)
{
for (vtkIdType ii = 0; ii < nodes->GetNumberOfIds(); ii++)
{
vtkIdType curId = nodes->GetId(ii);
nodes->SetId(ii, translateIds[curId]);
}
}
// Now transfer bndFaceList to the VTK POLYGONS
for (auto nodes : bndFaceList)
{
bcGrid->InsertNextCell(VTK_POLYGON, nodes);
nodes->Delete();
}
//
// Parse BCDataSet CGNS arrays
//
// TODO: Improve read of BCDataSet_t nodes to get DirichletData, NeumannData arrays at
// FaceCenter
// Inherit Centering from BC_t node
// Fill the bcGrid with these boundary values.
vtkCGNSReader::vtkPrivate::readBCData(
*bciter, cellDim, physicalDim, binfo.Location, bcGrid.Get(), this);
// For Pointdata, it can be extracted from the unstructured Volume.
//
const unsigned int idx = patchesMB->GetNumberOfBlocks();
vtkPrivate::AddIsPatchArray(bcGrid, true);
patchesMB->SetBlock(idx, bcGrid.Get());
if (!binfo.FamilyName.empty())
{
vtkInformationStringKey* bcfamily = vtkCGNSReader::FAMILY();
patchesMB->GetMetaData(idx)->Set(bcfamily, binfo.FamilyName.c_str());
}
patchesMB->GetMetaData(idx)->Set(vtkCompositeDataSet::NAME(), binfo.Name);
}
}
catch (const CGIOUnsupported& ue)
{
vtkWarningMacro("Skipping BC_t node: " << ue.what());
}
catch (const CGIOError& e)
{
vtkErrorMacro("Failed to read BC_t node: " << e.what());
}
}
}
}
CGNSRead::releaseIds(this->cgioNum, zoneChildren);
zoneChildren.clear();
}
else if (!bndSec.empty() && requiredPatch)
{
//----------------------------------------------------------------------------
// Handle boundary conditions (BC) patches for unstructured grid
//----------------------------------------------------------------------------
mzone->SetBlock(0u, ugrid.Get());
mzone->GetMetaData(0u)->Set(vtkCompositeDataSet::NAME(), "Internal");
//
vtkNew<vtkMultiBlockDataSet> patchesMB;
mzone->SetBlock(1, patchesMB.Get());
mzone->GetMetaData(1)->Set(vtkCompositeDataSet::NAME(), "Patches");
//
// Build Multi Patches
//
std::vector<double> zoneChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, this->currentId, zoneChildren);
for (auto iter = zoneChildren.begin(); iter != zoneChildren.end(); ++iter)
{
CGNSRead::char_33 nodeLabel;
cgio_get_label(cgioNum, (*iter), nodeLabel);
if (strcmp(nodeLabel, "ZoneBC_t") != 0)
{
continue;
}
const double zoneBCId = (*iter);
// iterate over all children and read supported BC_t nodes.
std::vector<double> zoneBCChildren;
CGNSRead::getNodeChildrenId(this->cgioNum, zoneBCId, zoneBCChildren);
for (auto bciter = zoneBCChildren.begin(); bciter != zoneBCChildren.end(); ++bciter)
{
char label[CGIO_MAX_LABEL_LENGTH + 1];
cgio_get_label(this->cgioNum, *bciter, label);
if (strcmp(label, "BC_t") == 0)
{
try
{
BCInformationUns binfo(this->cgioNum, *bciter, cellDim);
if (CGNSRead::ReadPatch(this, baseInfo, zoneInfo, binfo.FamilyName))
{
// Common struct to read from BCElementList or BCElementRange
vtkNew<vtkCellArray> bcCells;
int* bcCellsTypes = nullptr;
// Read unstructured grids ...
//------------------------------------
if (binfo.BCElementRange.size() == 2)
{
vtkIdType bcStartElemId = binfo.BCElementRange[0];
vtkIdType bcEndElemId = binfo.BCElementRange[1];
vtkIdType numElemToRead = bcEndElemId - bcStartElemId + 1;
vtkIdType residualNumElemToRead = bcEndElemId - bcStartElemId + 1;
//
// compute number of bnd section to read to allocate element type array
// and connectivity array
std::vector<int> bndSecToUse;
std::vector<cgsize_t> numElemToReadBndSec;
std::vector<cgsize_t> sizeAllocForEachSection;
std::vector<cgsize_t> startReadingPos;
for (std::vector<int>::iterator bndIter = bndSec.begin(); bndIter != bndSec.end();
++bndIter)
{
int curSec = *bndIter;
CGNS_ENUMT(ElementType_t) elemType = CGNS_ENUMV(ElementTypeNull);
// Compute range intersection with current section
//------------------------------------------------
cgsize_t startBndElemId = std::max(sectionInfoList[curSec].range[0],
static_cast<cgsize_t>(binfo.BCElementRange[0]));
cgsize_t endBndElemId = std::min(sectionInfoList[curSec].range[1],
static_cast<cgsize_t>(binfo.BCElementRange[1]));
cgsize_t numBndElemToRead = endBndElemId - startBndElemId + 1;
if (numBndElemToRead <= 0)
continue;
elemType = sectionInfoList[curSec].elemType;
if (numBndElemToRead ==
(sectionInfoList[curSec].range[1] - sectionInfoList[curSec].range[0] + 1))
{
// Read whole section
if (elemType != CGNS_ENUMV(MIXED))
{
sizeAllocForEachSection.push_back(
sectionInfoList[curSec].eDataSize + numBndElemToRead);
}
else
{
sizeAllocForEachSection.push_back(sectionInfoList[curSec].eDataSize);
}
startReadingPos.push_back(0);
}
else
{
// Partial read of section
if (elemType != CGNS_ENUMV(MIXED))
{
// All cells are of the same type.
int numPointsPerCell = 0;
cgsize_t startPosIdx = startBndElemId - sectionInfoList[curSec].range[0];
//
if (cg_npe(elemType, &numPointsPerCell) || numPointsPerCell == 0)
{
vtkErrorMacro(<< "Invalid numPointsPerCell\n");
}
sizeAllocForEachSection.push_back((numPointsPerCell + 1) * numBndElemToRead);
startPosIdx *= static_cast<cgsize_t>(numPointsPerCell);
startReadingPos.push_back(startPosIdx);
}
else if (elemType == CGNS_ENUMV(MIXED))
{
cgsize_t memDim[2];
cgsize_t offsetDataSize(0);
cgsize_t startPosIdx(0);
cgsize_t endPosIdx(0);
// Maybe bndElementsIdx should use cgsize_t but since get_section_start_offset
// already exists and use vtkIdType...
std::vector<vtkIdType> bndElementsIdx;
offsetDataSize =
sectionInfoList[curSec].range[1] - sectionInfoList[curSec].range[0] + 2;
bndElementsIdx.resize(offsetDataSize);
srcStart[0] = 1;
srcEnd[0] = offsetDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = offsetDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = offsetDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
&(bndElementsIdx[0])))
{
// no bndElementsIdx read so create it
// This is the worst case situation
cgsize_t fDataSize(0);
int numPointsPerCell = 0;
std::vector<vtkIdType> bndElements;
fDataSize = sectionInfoList[curSec].eDataSize;
bndElements.resize(fDataSize);
srcStart[0] = 1;
srcEnd[0] = fDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = fDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = fDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
&(bndElements[0])))
{
vtkErrorMacro("FAILED to read MIXED boundary cells\n");
return 1;
}
bndElementsIdx[0] = 0;
for (std::size_t idxElem = 0; idxElem < bndElementsIdx.size(); ++idxElem)
{
vtkIdType pos = bndElementsIdx[idxElem];
elemType = static_cast<CGNS_ENUMT(ElementType_t)>(bndElements[pos]);
cg_npe(elemType, &numPointsPerCell);
bndElementsIdx[idxElem + 1] =
bndElementsIdx[idxElem] + static_cast<vtkIdType>(numPointsPerCell + 1);
}
}
// Partial Size determination through bndElementsIdx
startPosIdx = startBndElemId - sectionInfoList[curSec].range[0];
endPosIdx = startPosIdx + numBndElemToRead;
vtkIdType partialSize =
bndElementsIdx[endPosIdx] - bndElementsIdx[startPosIdx];
startReadingPos.push_back(static_cast<cgsize_t>(bndElementsIdx[startPosIdx]));
sizeAllocForEachSection.push_back(static_cast<cgsize_t>(partialSize));
}
else
{
vtkErrorMacro("Unexpected element type for boundary\n");
return 1;
}
}
bndSecToUse.push_back(curSec);
numElemToReadBndSec.push_back(numBndElemToRead);
residualNumElemToRead -= numBndElemToRead;
if (residualNumElemToRead <= 0)
{
break;
}
}
if (residualNumElemToRead > 0)
{
vtkWarningMacro("Not enough elements to generate BC " << binfo.Name);
numElemToRead -= residualNumElemToRead;
}
// Now allocate arrays to read connectivities
bcCellsTypes = new int[numElemToRead];
if (bcCellsTypes == nullptr)
{
vtkErrorMacro("Could not allocate memory for boundary cell types\n");
return 1;
}
cgsize_t elemBcSize = 0;
for (cgsize_t& sizeValue : sizeAllocForEachSection)
{
elemBcSize += sizeValue;
}
std::vector<cgsize_t> startArrayBndSec(bndSecToUse.size());
std::vector<cgsize_t> startIdBndSec(bndSecToUse.size());
for (std::size_t sec = 0; sec < bndSecToUse.size(); sec++)
{
cgsize_t curStart = sectionInfoList[bndSecToUse[sec]].range[0];
cgsize_t curArrayStart = 0;
cgsize_t curIdStart = 0;
for (std::size_t lse = 0; lse < bndSecToUse.size(); lse++)
{
if (sectionInfoList[bndSecToUse[lse]].range[0] < curStart)
{
curArrayStart += sizeAllocForEachSection[lse];
curIdStart += numElemToReadBndSec[lse];
}
}
startArrayBndSec[sec] = curArrayStart;
startIdBndSec[sec] = curIdStart;
}
// Create Cell Array
vtkNew<vtkIdTypeArray> cellBcLocations;
cellBcLocations->SetNumberOfValues(elemBcSize);
vtkIdType* bcGlobalElements = cellBcLocations->GetPointer(0);
if (bcGlobalElements == nullptr)
{
vtkErrorMacro("Could not allocate memory for BC connectivity\n");
return 1;
}
memset(bcGlobalElements, 0, sizeof(vtkIdType) * elemBcSize);
// Memory is ready now load the data
for (std::size_t idx = 0; idx < bndSecToUse.size(); ++idx)
{
int curSec = bndSecToUse[idx];
CGNS_ENUMT(ElementType_t) elemType = sectionInfoList[curSec].elemType;
vtkIdType* localBndElements = &(bcGlobalElements[startArrayBndSec[idx]]);
if (elemType != CGNS_ENUMV(MIXED))
{
int cellType;
bool higherOrderWarning;
bool reOrderElements;
cgsize_t memDim[2];
cgsize_t npe = 0;
int numPointsPerCell(0);
cellType =
CGNSRead::GetVTKElemType(elemType, higherOrderWarning, reOrderElements);
if (cellType == VTK_EMPTY_CELL)
{
vtkErrorMacro("Unsupported cell type\n");
return 1;
}
for (cgsize_t ii = 0; ii < numElemToReadBndSec[idx]; ++ii)
{
bcCellsTypes[ii + startIdBndSec[idx]] = cellType;
}
cg_npe(elemType, &numPointsPerCell);
npe = static_cast<cgsize_t>(numPointsPerCell);
srcStart[0] = 1 + startReadingPos[idx];
srcStart[1] = 1;
srcEnd[0] = startReadingPos[idx] + numElemToReadBndSec[idx] * npe;
srcEnd[1] = 1;
srcStride[0] = 1;
srcStride[1] = 1;
memStart[0] = 2;
memStart[1] = 1;
memEnd[0] = npe + 1;
memEnd[1] = numElemToReadBndSec[idx];
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = npe + 1;
memDim[1] = numElemToReadBndSec[idx];
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 2,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
localBndElements);
// Add numptspercell and do -1 on indexes
for (vtkIdType icell = 0; icell < numElemToReadBndSec[idx]; ++icell)
{
vtkIdType pos = icell * (npe + 1);
localBndElements[pos] = static_cast<vtkIdType>(npe);
for (vtkIdType ip = 0; ip < npe; ip++)
{
pos++;
localBndElements[pos] = localBndElements[pos] - 1;
}
}
}
else if (elemType == CGNS_ENUMV(MIXED))
{
cgsize_t memDim[2];
int numPointsPerCell(0);
int cellType;
bool higherOrderWarning;
bool reOrderElements;
srcStart[0] = 1 + startReadingPos[idx];
srcEnd[0] = startReadingPos[idx] + sizeAllocForEachSection[idx];
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = sizeAllocForEachSection[idx];
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = sizeAllocForEachSection[idx];
memDim[1] = 1;
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
localBndElements);
vtkIdType pos = 0;
for (vtkIdType icell = 0; icell < numElemToReadBndSec[idx]; ++icell)
{
elemType = static_cast<CGNS_ENUMT(ElementType_t)>(localBndElements[pos]);
cg_npe(elemType, &numPointsPerCell);
cellType =
CGNSRead::GetVTKElemType(elemType, higherOrderWarning, reOrderElements);
bcCellsTypes[icell + startIdBndSec[idx]] = cellType;
localBndElements[pos] = static_cast<vtkIdType>(numPointsPerCell);
pos++;
for (vtkIdType ip = 0; ip < numPointsPerCell; ip++)
{
localBndElements[ip + pos] = localBndElements[ip + pos] - 1;
}
pos += numPointsPerCell;
}
}
}
bcCells->SetCells(numElemToRead, cellBcLocations.GetPointer());
}
else if (!binfo.BCElementList.empty())
{
// This a bit more tricky to implement because it generate lot of small IO
vtkIdType residualNumElemToRead =
static_cast<vtkIdType>(binfo.BCElementList.size());
std::vector<bool> BCElementRead(binfo.BCElementList.size(), false);
const auto bcminmax = std::minmax_element(
std::begin(binfo.BCElementList), std::end(binfo.BCElementList));
std::vector<vtkIdList*> bndElemList;
bndElemList.resize(residualNumElemToRead, nullptr);
for (vtkIdType elemId = 0; elemId < residualNumElemToRead; elemId++)
{
bndElemList[elemId] = vtkIdList::New();
}
bcCellsTypes = new int[residualNumElemToRead];
if (bcCellsTypes == nullptr)
{
vtkErrorMacro("Could not allocate memory for boundary cell types\n");
return 1;
}
for (std::size_t sec = 0; sec < bndSec.size(); sec++)
{
int curSec = bndSec[sec];
std::vector<std::pair<vtkIdType, vtkIdType>> elemToRead;
CGNS_ENUMT(ElementType_t) elemType = CGNS_ENUMV(ElementTypeNull);
//
// Compute list of boundary elements in current section
//------------------------------------------------
// Quick skip useless section
if ((*bcminmax.first > sectionInfoList[curSec].range[1]) ||
(*bcminmax.second < sectionInfoList[curSec].range[0]))
{
continue;
}
for (std::size_t idx = 0; idx < BCElementRead.size(); idx++)
{
if (BCElementRead[idx] == true)
{
continue;
}
if (binfo.BCElementList[idx] >= sectionInfoList[curSec].range[0] &&
binfo.BCElementList[idx] <= sectionInfoList[curSec].range[1])
{
elemToRead.emplace_back(binfo.BCElementList[idx], idx);
BCElementRead[idx] = true;
}
}
// Nothing to read in this section
if (elemToRead.empty())
{
continue;
}
elemType = sectionInfoList[curSec].elemType;
// sort face Bnd Element to Read
std::sort(elemToRead.begin(), elemToRead.end());
// Generate partial contiguous chuncks to read
vtkIdType curElemId = elemToRead[0].first;
std::vector<vtkIdType> rangeIdx;
rangeIdx.push_back(0);
vtkIdType sizeElemToRead = static_cast<vtkIdType>(elemToRead.size());
for (vtkIdType ii = 1; ii < sizeElemToRead; ii++)
{
if (elemToRead[ii].first != curElemId + 1)
{
rangeIdx.push_back(ii);
}
curElemId = elemToRead[ii].first;
}
rangeIdx.push_back(sizeElemToRead);
// Do each partial range read
for (size_t ii = 1; ii < rangeIdx.size(); ii++)
{
vtkIdType startElemId = elemToRead[rangeIdx[ii - 1]].first;
vtkIdType endElemId = elemToRead[rangeIdx[ii] - 1].first;
vtkIdType numElemToRead = endElemId - startElemId + 1;
// do partial read
//----------------
std::vector<vtkIdType> bcElementsArr;
//
// Partial read of section chunck
if (elemType != CGNS_ENUMV(MIXED))
{
// All cells are of the same type.
cgsize_t memDim[2];
cgsize_t startPosIdx = startElemId - sectionInfoList[curSec].range[0];
int numPointsPerCell = 0;
int cellType;
bool higherOrderWarning;
bool reOrderElements;
cellType =
CGNSRead::GetVTKElemType(elemType, higherOrderWarning, reOrderElements);
if (cellType == VTK_EMPTY_CELL)
{
vtkErrorMacro("Unsupported cellType found in BC\n");
}
//
if (cg_npe(elemType, &numPointsPerCell) || numPointsPerCell == 0)
{
vtkErrorMacro("Invalid numPointsPerCell\n");
}
bcElementsArr.resize((numPointsPerCell + 1) * numElemToRead);
startPosIdx *= static_cast<cgsize_t>(numPointsPerCell);
srcStart[0] = 1 + startPosIdx;
srcStart[1] = 1;
srcEnd[0] = startPosIdx + numElemToRead * numPointsPerCell;
srcEnd[1] = 1;
srcStride[0] = 1;
srcStride[1] = 1;
memStart[0] = 2;
memStart[1] = 1;
memEnd[0] = numPointsPerCell + 1;
memEnd[1] = numElemToRead;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = numPointsPerCell + 1;
memDim[1] = numElemToRead;
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 2,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
&(bcElementsArr[0]));
// Add numptspercell and do -1 on indexes
for (vtkIdType icell = 0; icell < numElemToRead; ++icell)
{
vtkIdType pos = icell * (numPointsPerCell + 1);
bcElementsArr[pos] = static_cast<vtkIdType>(numPointsPerCell);
for (vtkIdType ip = 0; ip < numPointsPerCell; ip++)
{
pos++;
bcElementsArr[pos] = bcElementsArr[pos] - 1;
}
}
// Now append
for (vtkIdType nelem = 0; nelem < numElemToRead; ++nelem)
{
bcCellsTypes[elemToRead[rangeIdx[ii - 1] + nelem].second] = cellType;
vtkIdList* nodes = bndElemList[elemToRead[rangeIdx[ii - 1] + nelem].second];
for (vtkIdType nn = 0; nn < numPointsPerCell; ++nn)
{
vtkIdType nodeID = bcElementsArr[nelem * (numPointsPerCell + 1) + 1 + nn];
nodes->InsertNextId(nodeID);
}
}
}
else if (elemType == CGNS_ENUMV(MIXED))
{
cgsize_t memDim[2];
int cellType;
bool higherOrderWarning;
bool reOrderElements;
// Maybe bndElementsIdx should use cgsize_t but since get_section_start_offset
// already exists and use vtkIdType...
std::vector<vtkIdType> bndElementsIdx;
bndElementsIdx.resize(numElemToRead + 1);
srcStart[0] = startElemId - sectionInfoList[curSec].range[0] + 1;
srcEnd[0] = endElemId - sectionInfoList[curSec].range[0] + 2;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = numElemToRead + 1;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = numElemToRead + 1;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_start_offset(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
&(bndElementsIdx[0])))
{
// Fallback to old way because no Offset found
cgsize_t fDataSize(0);
int numPointsPerCell = 0;
fDataSize = sectionInfoList[curSec].eDataSize;
bcElementsArr.resize(fDataSize);
srcStart[0] = 1;
srcEnd[0] = fDataSize;
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = fDataSize;
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = fDataSize;
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
&(bcElementsArr[0])))
{
vtkErrorMacro("FAILED to read MIXED boundary cells\n");
return 1;
}
vtkIdType pos = 0;
vtkIdType nelem = 0;
for (vtkIdType idxElem = sectionInfoList[curSec].range[0];
idxElem < sectionInfoList[curSec].range[1] + 1; ++idxElem)
{
CGNS_ENUMT(ElementType_t)
localElemType =
static_cast<CGNS_ENUMT(ElementType_t)>(bcElementsArr[pos]);
cg_npe(localElemType, &numPointsPerCell);
if ((startElemId - idxElem) > 0)
{
pos += numPointsPerCell + 1;
continue;
}
if ((endElemId - idxElem) < 0)
{
break;
}
vtkIdType numNodes = static_cast<vtkIdType>(numPointsPerCell);
cellType = CGNSRead::GetVTKElemType(
localElemType, higherOrderWarning, reOrderElements);
if (cellType == VTK_EMPTY_CELL)
{
vtkErrorMacro("Unsupported cellType found in BC\n");
}
bcCellsTypes[elemToRead[rangeIdx[ii - 1] + nelem].second] = cellType;
vtkIdList* nodes =
bndElemList[elemToRead[rangeIdx[ii - 1] + nelem].second];
pos++;
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID = bcElementsArr[pos] - 1;
nodes->InsertNextId(nodeID);
pos++;
}
nelem++;
}
// end old way
}
else
{
// modern way
bcElementsArr.resize(bndElementsIdx[numElemToRead] - bndElementsIdx[0]);
srcStart[0] = bndElementsIdx[0] + 1;
srcEnd[0] = bndElementsIdx[numElemToRead];
srcStride[0] = 1;
memStart[0] = 1;
memStart[1] = 1;
memEnd[0] = bndElementsIdx[numElemToRead] - bndElementsIdx[0];
memEnd[1] = 1;
memStride[0] = 1;
memStride[1] = 1;
memDim[0] = bndElementsIdx[numElemToRead] - bndElementsIdx[0];
memDim[1] = 1;
if (0 !=
CGNSRead::get_section_connectivity(this->cgioNum, elemIdList[curSec], 1,
srcStart, srcEnd, srcStride, memStart, memEnd, memStride, memDim,
bcElementsArr.data()))
{
vtkErrorMacro("Partial read of MIXED elements FAILED\n");
return 1;
}
// Now append
for (vtkIdType nelem = 0; nelem < numElemToRead; ++nelem)
{
vtkIdType startNode = bndElementsIdx[nelem] - bndElementsIdx[0];
vtkIdType numNodes =
bndElementsIdx[nelem + 1] - bndElementsIdx[nelem] - 1;
CGNS_ENUMT(ElementType_t)
localElemType =
static_cast<CGNS_ENUMT(ElementType_t)>(bcElementsArr[startNode]);
cellType = CGNSRead::GetVTKElemType(
localElemType, higherOrderWarning, reOrderElements);
if (cellType == VTK_EMPTY_CELL)
{
vtkErrorMacro("Unsupported cellType found in BC\n");
}
bcCellsTypes[elemToRead[rangeIdx[ii - 1] + nelem].second] = cellType;
vtkIdList* nodes =
bndElemList[elemToRead[rangeIdx[ii - 1] + nelem].second];
for (vtkIdType nn = 0; nn < numNodes; ++nn)
{
vtkIdType nodeID = bcElementsArr[startNode + nn + 1] - 1;
nodes->InsertNextId(nodeID);
}
}
}
}
}
residualNumElemToRead -= sizeElemToRead;
if (residualNumElemToRead <= 0)
break;
}
// Transfer to bcCells
for (std::size_t bcCellId = 0; bcCellId < bndElemList.size(); ++bcCellId)
{
if (bndElemList[bcCellId]->GetNumberOfIds() > 0)
{
bcCells->InsertNextCell(bndElemList[bcCellId]);
}
}
}
else
{
continue;
}
// Set up ugrid
// Create an unstructured grid to contain the points.
// Generate support unstructured grid
vtkSmartPointer<vtkUnstructuredGrid> bcGrid =
vtkSmartPointer<vtkUnstructuredGrid>::New();
// Directly use Global Volume points
// Renumbering and reducing of points should theoretically be done
bcGrid->SetPoints(points);
bcGrid->SetCells(bcCellsTypes, bcCells.GetPointer());
delete[] bcCellsTypes;
//
// Add ispatch 0=false/1=true as field data
//
vtkPrivate::AddIsPatchArray(bcGrid, true);
// Handle Ref Values
vtkPrivate::AttachReferenceValue(base, bcGrid, this);
// Copy PointData if exists
// Dirty way to get data
vtkPointData* temp = ugrid->GetPointData();
if (temp != nullptr)
{
int NumArray = temp->GetNumberOfArrays();
for (int i = 0; i < NumArray; ++i)
{
vtkDataArray* dataTmp = temp->GetArray(i);
bcGrid->GetPointData()->AddArray(dataTmp);
}
}
// At least should read from Neumann and Dirichlet nodes
// for face centered values
//
// Try to Parse BCDataSet CGNS arrays
//
vtkCGNSReader::vtkPrivate::readBCData(
*bciter, cellDim, physicalDim, binfo.Location, bcGrid.Get(), this);
//
const unsigned int idx = patchesMB->GetNumberOfBlocks();
patchesMB->SetBlock(idx, bcGrid.Get());
if (!binfo.FamilyName.empty())
{
vtkInformationStringKey* bcfamily = vtkCGNSReader::FAMILY();
patchesMB->GetMetaData(idx)->Set(bcfamily, binfo.FamilyName.c_str());
}
patchesMB->GetMetaData(idx)->Set(vtkCompositeDataSet::NAME(), binfo.Name);
}
}
catch (const CGIOUnsupported& ue)
{
vtkWarningMacro("Skipping BC_t node: " << ue.what());
}
catch (const CGIOError& e)
{
vtkErrorMacro("Failed to read BC_t node: " << e.what());
}
}
}
}
CGNSRead::releaseIds(this->cgioNum, zoneChildren);
zoneChildren.clear();
}
//
if ((!bndSec.empty() || hasNFace) && requiredPatch)
{
mbase->SetBlock(zone, mzone);
}
else
{
mbase->SetBlock(zone, ugrid.Get());
}
mzone->Delete();
return 0;
}
//----------------------------------------------------------------------------
class WithinTolerance : public std::binary_function<double, double, bool>
{
public:
result_type operator()(first_argument_type a, second_argument_type b) const
{
bool result = (std::fabs(a - b) <= (a * 1E-6));
return (result_type)result;
}
};
//----------------------------------------------------------------------------
int vtkCGNSReader::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
int ier;
int nzones;
unsigned int blockIndex = 0;
int processNumber;
int numProcessors;
int startRange, endRange;
vtkInformation* outInfo = outputVector->GetInformationObject(0);
// get the output
vtkMultiBlockDataSet* output =
vtkMultiBlockDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
// this->EnableAllCellArrays();
// this->EnableAllPointArrays();
// The whole notion of pieces for this reader is really
// just a division of zones between processors
processNumber = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
numProcessors = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
if (!this->DistributeBlocks)
{
processNumber = 0;
numProcessors = 1;
}
int numBases = this->Internals->Internal->GetNumberOfBaseNodes();
int numZones = 0;
for (int bb = 0; bb < numBases; bb++)
{
numZones += this->Internals->Internal->GetBase(bb).nzones;
}
// Divide the files evenly between processors
int num_zones_per_process = numZones / numProcessors;
// This if/else logic is for when you don't have a nice even division of files
// Each process computes which sequence of files it needs to read in
int left_over_zones = numZones - (num_zones_per_process * numProcessors);
// base --> startZone,endZone
std::map<int, duo_t> baseToZoneRange;
// REDO this part !!!!
if (processNumber < left_over_zones)
{
int accumulated = 0;
startRange = (num_zones_per_process + 1) * processNumber;
endRange = startRange + (num_zones_per_process + 1);
for (int bb = 0; bb < numBases; bb++)
{
duo_t zoneRange;
startRange = startRange - accumulated;
endRange = endRange - accumulated;
int startInterZone = std::max(startRange, 0);
int endInterZone = std::min(endRange, this->Internals->Internal->GetBase(bb).nzones);
if ((endInterZone - startInterZone) > 0)
{
zoneRange[0] = startInterZone;
zoneRange[1] = endInterZone;
}
accumulated = this->Internals->Internal->GetBase(bb).nzones;
baseToZoneRange[bb] = zoneRange;
}
}
else
{
int accumulated = 0;
startRange = num_zones_per_process * processNumber + left_over_zones;
endRange = startRange + num_zones_per_process;
for (int bb = 0; bb < numBases; bb++)
{
duo_t zoneRange;
startRange = startRange - accumulated;
endRange = endRange - accumulated;
int startInterZone = std::max(startRange, 0);
int endInterZone = std::min(endRange, this->Internals->Internal->GetBase(bb).nzones);
if ((endInterZone - startInterZone) > 0)
{
zoneRange[0] = startInterZone;
zoneRange[1] = endInterZone;
}
accumulated = this->Internals->Internal->GetBase(bb).nzones;
baseToZoneRange[bb] = zoneRange;
}
}
// Bnd Sections Not implemented yet for parallel
if (numProcessors > 1)
{
this->LoadBndPatch = false;
this->CreateEachSolutionAsBlock = 0;
}
if (!this->Internals->Internal->Parse(this->FileName))
{
return 0;
}
vtkMultiBlockDataSet* rootNode = output;
vtkDebugMacro(<< "Start Loading CGNS data");
this->UpdateProgress(0.0);
// Setup Global Time Information
if (outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()))
{
// Get the requested time step. We only support requests of a single time
// step in this reader right now
double requestedTimeValue = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
// Adjust requested time based on available timesteps.
std::vector<double>& ts = this->Internals->Internal->GetTimes();
if (!ts.empty())
{
int tsIndex =
vtkPrivate::GetTimeStepIndex(requestedTimeValue, &ts[0], static_cast<int>(ts.size()));
requestedTimeValue = ts[tsIndex];
output->GetInformation()->Set(vtkDataObject::DATA_TIME_STEP(), requestedTimeValue);
}
}
else
{
output->GetInformation()->Remove(vtkDataObject::DATA_TIME_STEP());
}
vtkDebugMacro(<< "CGNSReader::RequestData: Reading from file <" << this->FileName << ">...");
// Opening with cgio layer
ier = cgio_open_file(this->FileName, CGIO_MODE_READ, 0, &(this->cgioNum));
if (ier != CG_OK)
{
vtkErrorMacro(<< "Error Reading file with cgio");
return 0;
}
cgio_get_root_id(this->cgioNum, &(this->rootId));
// Get base id list :
std::vector<double> baseIds;
ier = CGNSRead::readBaseIds(this->cgioNum, this->rootId, baseIds);
if (ier != 0)
{
vtkErrorMacro(<< "Error Reading Base Ids");
goto errorData;
}
blockIndex = 0;
for (int numBase = 0; numBase < static_cast<int>(baseIds.size()); numBase++)
{
int cellDim = 0;
int physicalDim = 0;
const CGNSRead::BaseInformation& curBaseInfo = this->Internals->Internal->GetBase(numBase);
// skip unselected base
if (!CGNSRead::ReadBase(this, curBaseInfo))
{
continue;
}
cellDim = curBaseInfo.cellDim;
physicalDim = curBaseInfo.physicalDim;
// Get timesteps here !!
// Operate on Global time scale :
// clamp requestedTimeValue to available time range
// if < timemin --> timemin
// if > timemax --> timemax
// Then for each base get Index for TimeStep
// if useFlowSolution read flowSolution and take name with index
// same for use
// Setup Global Time Information
this->ActualTimeStep = 0;
bool skipBase = false;
if (output->GetInformation()->Has(vtkDataObject::DATA_TIME_STEP()))
{
// Get the requested time step. We only support requests of a single time
// step in this reader right now
double requestedTimeValue = output->GetInformation()->Get(vtkDataObject::DATA_TIME_STEP());
vtkDebugMacro(<< "RequestData: requested time value: " << requestedTimeValue);
// Check if requestedTimeValue is available in base time range.
if ((requestedTimeValue < curBaseInfo.times.front()) ||
(requestedTimeValue > curBaseInfo.times.back()))
{
skipBase = true;
requestedTimeValue = this->Internals->Internal->GetTimes().front();
}
std::vector<double>::const_iterator iter;
iter =
std::upper_bound(curBaseInfo.times.begin(), curBaseInfo.times.end(), requestedTimeValue);
if (iter == curBaseInfo.times.begin())
{
// The requested time step is before any time
this->ActualTimeStep = 0;
}
else
{
iter--;
this->ActualTimeStep = static_cast<int>(iter - curBaseInfo.times.begin());
}
}
if (skipBase == true)
{
continue;
}
vtkMultiBlockDataSet* mbase = vtkMultiBlockDataSet::New();
nzones = curBaseInfo.nzones;
if (nzones == 0)
{
vtkWarningMacro(<< "No zones in base " << curBaseInfo.name);
}
else
{
mbase->SetNumberOfBlocks(nzones);
}
std::vector<double> baseChildId;
CGNSRead::getNodeChildrenId(this->cgioNum, baseIds[numBase], baseChildId);
std::size_t nz;
std::size_t nn;
CGNSRead::char_33 nodeLabel;
for (nz = 0, nn = 0; nn < baseChildId.size(); ++nn)
{
if (cgio_get_label(this->cgioNum, baseChildId[nn], nodeLabel) != CG_OK)
{
return false;
}
if (strcmp(nodeLabel, "Zone_t") == 0)
{
if (nz < nn)
{
baseChildId[nz] = baseChildId[nn];
}
nz++;
}
else
{
cgio_release_id(this->cgioNum, baseChildId[nn]);
}
}
// so we don't keep ids for released nodes.
baseChildId.resize(nz);
int zonemin = baseToZoneRange[numBase][0];
int zonemax = baseToZoneRange[numBase][1];
for (int zone = zonemin; zone < zonemax; ++zone)
{
CGNSRead::char_33 zoneName;
cgsize_t zsize[9];
CGNS_ENUMT(ZoneType_t) zt = CGNS_ENUMV(ZoneTypeNull);
memset(zoneName, 0, 33);
memset(zsize, 0, 9 * sizeof(cgsize_t));
if (cgio_get_name(this->cgioNum, baseChildId[zone], zoneName) != CG_OK)
{
char errmsg[CGIO_MAX_ERROR_LENGTH + 1];
cgio_error_message(errmsg);
vtkErrorMacro(<< "Problem while reading name of zone number " << zone
<< ", error : " << errmsg);
return 1;
}
CGNSRead::char_33 dataType;
if (cgio_get_data_type(this->cgioNum, baseChildId[zone], dataType) != CG_OK)
{
char errmsg[CGIO_MAX_ERROR_LENGTH + 1];
cgio_error_message(errmsg);
vtkErrorMacro(<< "Problem while reading data_type of zone number " << zone << " "
<< errmsg);
return 1;
}
if (strcmp(dataType, "I4") == 0)
{
std::vector<vtkTypeInt32> mdata;
CGNSRead::readNodeData<vtkTypeInt32>(this->cgioNum, baseChildId[zone], mdata);
for (std::size_t index = 0; index < mdata.size(); index++)
{
zsize[index] = static_cast<cgsize_t>(mdata[index]);
}
}
else if (strcmp(dataType, "I8") == 0)
{
std::vector<vtkTypeInt64> mdata;
CGNSRead::readNodeData<vtkTypeInt64>(this->cgioNum, baseChildId[zone], mdata);
for (std::size_t index = 0; index < mdata.size(); index++)
{
zsize[index] = static_cast<cgsize_t>(mdata[index]);
}
}
else
{
vtkErrorMacro(<< "Problem while reading dimension in zone number " << zone);
return 1;
}
mbase->GetMetaData(zone)->Set(vtkCompositeDataSet::NAME(), zoneName);
std::string familyName;
double famId;
if (CGNSRead::getFirstNodeId(this->cgioNum, baseChildId[zone], "FamilyName_t", &famId) ==
CG_OK)
{
CGNSRead::readNodeStringData(this->cgioNum, famId, familyName);
cgio_release_id(cgioNum, famId);
famId = 0;
}
if (familyName.empty() == false)
{
vtkInformationStringKey* zonefamily = vtkCGNSReader::FAMILY();
mbase->GetMetaData(zone)->Set(zonefamily, familyName.c_str());
}
this->currentId = baseChildId[zone];
double zoneTypeId;
zt = CGNS_ENUMV(Structured);
if (CGNSRead::getFirstNodeId(this->cgioNum, baseChildId[zone], "ZoneType_t", &zoneTypeId) ==
CG_OK)
{
std::string zoneType;
CGNSRead::readNodeStringData(this->cgioNum, zoneTypeId, zoneType);
cgio_release_id(cgioNum, zoneTypeId);
zoneTypeId = 0;
if (zoneType == "Structured")
{
zt = CGNS_ENUMV(Structured);
}
else if (zoneType == "Unstructured")
{
zt = CGNS_ENUMV(Unstructured);
}
else if (zoneType == "Null")
{
zt = CGNS_ENUMV(ZoneTypeNull);
}
else if (zoneType == "UserDefined")
{
zt = CGNS_ENUMV(ZoneTypeUserDefined);
}
}
switch (zt)
{
case CGNS_ENUMV(ZoneTypeNull):
break;
case CGNS_ENUMV(ZoneTypeUserDefined):
break;
case CGNS_ENUMV(Structured):
{
ier = GetCurvilinearZone(numBase, zone, cellDim, physicalDim, zsize, mbase);
if (ier != CG_OK)
{
vtkErrorMacro(<< "Error Reading file");
return 0;
}
break;
}
case CGNS_ENUMV(Unstructured):
ier = GetUnstructuredZone(numBase, zone, cellDim, physicalDim, zsize, mbase);
if (ier != CG_OK)
{
vtkErrorMacro(<< "Error Reading file");
return 0;
}
break;
}
this->UpdateProgress(0.5);
}
rootNode->SetBlock(blockIndex, mbase);
rootNode->GetMetaData(blockIndex)->Set(vtkCompositeDataSet::NAME(), curBaseInfo.name);
mbase->Delete();
blockIndex++;
// release
CGNSRead::releaseIds(this->cgioNum, baseChildId);
}
errorData:
cgio_close_file(this->cgioNum);
this->UpdateProgress(1.0);
return 1;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
// Setting CAN_HANDLE_PIECE_REQUEST to 1 indicates to the
// upstream consumer that I can provide the same number of pieces
// as there are number of processors
// get the info object
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
outInfo->Set(CAN_HANDLE_PIECE_REQUEST(), 1);
}
if (this->ProcRank == 0)
{
if (!this->FileName)
{
vtkErrorMacro(<< "File name not set\n");
return 0;
}
// First make sure the file exists. This prevents an empty file
// from being created on older compilers.
if (!vtksys::SystemTools::FileExists(this->FileName))
{
vtkErrorMacro(<< "Error opening file " << this->FileName);
return false;
}
vtkDebugMacro(<< "CGNSReader::RequestInformation: Parsing file " << this->FileName
<< " for fields and time steps");
// Parse the file...
if (!this->Internals->Internal->Parse(this->FileName))
{
vtkErrorMacro(<< "Failed to parse cgns file: " << this->FileName);
return false;
}
} // End_ProcRank_0
if (this->ProcSize > 1)
{
this->Broadcast(this->Controller);
}
this->NumberOfBases = this->Internals->Internal->GetNumberOfBaseNodes();
// Set up time information
if (!this->Internals->Internal->GetTimes().empty())
{
std::vector<double> timeSteps(
this->Internals->Internal->GetTimes().begin(), this->Internals->Internal->GetTimes().end());
vtkInformation* outInfo = outputVector->GetInformationObject(0);
outInfo->Set(vtkStreamingDemandDrivenPipeline::TIME_STEPS(), &timeSteps.front(),
static_cast<int>(timeSteps.size()));
double timeRange[2];
timeRange[0] = timeSteps.front();
timeRange[1] = timeSteps.back();
outInfo->Set(vtkStreamingDemandDrivenPipeline::TIME_RANGE(), timeRange, 2);
}
for (int base = 0; base < this->Internals->Internal->GetNumberOfBaseNodes(); ++base)
{
const CGNSRead::BaseInformation& curBase = this->Internals->Internal->GetBase(base);
#if VTK_MAJOR_VERSION >= 8
this->BaseSelection->AddArray(curBase.name, base == 0 ? true : false);
#else
this->BaseSelection->AddArray(curBase.name);
if (base == 0)
this->BaseSelection->EnableArray(curBase.name);
else
this->BaseSelection->DisableArray(curBase.name);
#endif
// add families.
for (auto& finfo : curBase.family)
{
this->FamilySelection->AddArray(finfo.name.c_str());
}
// Fill Variable Vertex/Cell names ... perhaps should be improved
for (const auto& pair : curBase.PointDataArraySelection)
{
#if VTK_MAJOR_VERSION >= 8
this->PointDataArraySelection->AddArray(pair.first.c_str(), true);///2021.12.15 xinwei
#else
this->PointDataArraySelection->AddArray(pair.first.c_str());
this->PointDataArraySelection->EnableArray(pair.first.c_str());
#endif
//this->PointDataArraySelection->AddArray(pair.first.c_str(), false);
}
for (const auto& pair : curBase.CellDataArraySelection)
{
#if VTK_MAJOR_VERSION >= 8
this->CellDataArraySelection->AddArray(pair.first.c_str(), true); ///2021.12.15 xinwei
#else
this->CellDataArraySelection->AddArray(pair.first.c_str());
this->CellDataArraySelection->EnableArray(pair.first.c_str());
#endif
//this->CellDataArraySelection->AddArray(pair.first.c_str(), false);
}
}
return 1;
}
//------------------------------------------------------------------------------
void vtkCGNSReader::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "File Name: " << (this->FileName ? this->FileName : "(none)") << "\n";
os << indent << "LoadBndPatch: " << this->LoadBndPatch << endl;
os << indent << "LoadMesh: " << this->LoadMesh << endl;
os << indent << "CreateEachSolutionAsBlock: " << this->CreateEachSolutionAsBlock << endl;
os << indent << "IgnoreFlowSolutionPointers: " << this->IgnoreFlowSolutionPointers << endl;
os << indent << "DistributeBlocks: " << this->DistributeBlocks << endl;
os << indent << "Controller: " << this->Controller << endl;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::CanReadFile(const char* name)
{
// return value 0: can not read
// return value 1: can read
int cgioFile;
int ierr = 1;
double rootNodeId;
double childId;
float FileVersion = 0.0;
int intFileVersion = 0;
char dataType[CGIO_MAX_DATATYPE_LENGTH + 1];
char errmsg[CGIO_MAX_ERROR_LENGTH + 1];
int ndim = 0;
cgsize_t dimVals[12];
int fileType = CG_FILE_NONE;
if (cgio_open_file(name, CG_MODE_READ, CG_FILE_NONE, &cgioFile) != CG_OK)
{
cgio_error_message(errmsg);
vtkErrorMacro(<< "vtkCGNSReader::CanReadFile : " << errmsg);
return 0;
}
cgio_get_root_id(cgioFile, &rootNodeId);
cgio_get_file_type(cgioFile, &fileType);
if (cgio_get_node_id(cgioFile, rootNodeId, "CGNSLibraryVersion", &childId))
{
cgio_error_message(errmsg);
vtkErrorMacro(<< "vtkCGNSReader::CanReadFile : " << errmsg);
ierr = 0;
goto CanReadError;
}
if (cgio_get_data_type(cgioFile, childId, dataType))
{
vtkErrorMacro(<< "CGNS Version data type");
ierr = 0;
goto CanReadError;
}
if (cgio_get_dimensions(cgioFile, childId, &ndim, dimVals))
{
vtkErrorMacro(<< "cgio_get_dimensions");
ierr = 0;
goto CanReadError;
}
// check data type
if (strcmp(dataType, "R4") != 0)
{
vtkErrorMacro(<< "Unexpected data type for CGNS-Library-Version=" << dataType);
ierr = 0;
goto CanReadError;
}
// check data dim
if ((ndim != 1) || (dimVals[0] != 1))
{
vtkDebugMacro(<< "Wrong data dimension for CGNS-Library-Version");
ierr = 0;
goto CanReadError;
}
// read data
if (cgio_read_all_data_type(cgioFile, childId, "R4", &FileVersion))
{
vtkErrorMacro(<< "read CGNS version number");
ierr = 0;
goto CanReadError;
}
// Check that the library version is at least as recent as the one used
// to create the file being read
intFileVersion = static_cast<int>(FileVersion * 1000 + 0.5);
if (intFileVersion > CGNS_VERSION)
{
// This code allows reading version newer than the lib,
// as long as the 1st digit of the versions are equal
if ((intFileVersion / 1000) > (CGNS_VERSION / 1000))
{
vtkErrorMacro(<< "The file " << name
<< " was written with a more recent version"
"of the CGNS library. You must update your CGNS"
"library before trying to read this file.");
ierr = 0;
}
// warn only if different in second digit
if ((intFileVersion / 100) > (CGNS_VERSION / 100))
{
vtkWarningMacro(<< "The file being read is more recent"
"than the CGNS library used");
}
}
if ((intFileVersion / 10) < 255)
{
vtkWarningMacro(<< "The file being read was written with an old version"
"of the CGNS library. Please update your file"
"to a more recent version.");
}
vtkDebugMacro(<< "FileVersion=" << FileVersion << "\n");
CanReadError:
cgio_close_file(cgioFile);
return ierr ? 1 : 0;
}
//------------------------------------------------------------------------------
int vtkCGNSReader::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
return 1;
}
//----------------------------------------------------------------------------
void vtkCGNSReader::DisableAllPointArrays()
{
this->PointDataArraySelection->DisableAllArrays();
}
//----------------------------------------------------------------------------
void vtkCGNSReader::EnableAllPointArrays()
{
this->PointDataArraySelection->EnableAllArrays();
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetNumberOfPointArrays()
{
return this->PointDataArraySelection->GetNumberOfArrays();
}
//----------------------------------------------------------------------------
const char* vtkCGNSReader::GetPointArrayName(int index)
{
if (index >= (int)this->GetNumberOfPointArrays() || index < 0)
{
return nullptr;
}
else
{
return this->PointDataArraySelection->GetArrayName(index);
}
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetPointArrayStatus(const char* name)
{
return this->PointDataArraySelection->ArrayIsEnabled(name);
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetPointArrayStatus(const char* name, int status)
{
if (status)
{
this->PointDataArraySelection->EnableArray(name);
}
else
{
this->PointDataArraySelection->DisableArray(name);
}
}
//----------------------------------------------------------------------------
void vtkCGNSReader::DisableAllCellArrays()
{
this->CellDataArraySelection->DisableAllArrays();
}
//----------------------------------------------------------------------------
void vtkCGNSReader::EnableAllCellArrays()
{
this->CellDataArraySelection->EnableAllArrays();
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetNumberOfCellArrays()
{
return this->CellDataArraySelection->GetNumberOfArrays();
}
//----------------------------------------------------------------------------
const char* vtkCGNSReader::GetCellArrayName(int index)
{
if (index >= (int)this->GetNumberOfCellArrays() || index < 0)
{
return nullptr;
}
else
{
return this->CellDataArraySelection->GetArrayName(index);
}
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetCellArrayStatus(const char* name)
{
return this->CellDataArraySelection->ArrayIsEnabled(name);
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetCellArrayStatus(const char* name, int status)
{
if (status)
{
this->CellDataArraySelection->EnableArray(name);
}
else
{
this->CellDataArraySelection->DisableArray(name);
}
}
//------------------------------------------------------------------------------
void vtkCGNSReader::Broadcast(vtkMultiProcessController* ctrl)
{
if (ctrl)
{
int rank = ctrl->GetLocalProcessId();
this->Internals->Internal->Broadcast(ctrl, rank);
}
}
//----------------------------------------------------------------------------
void vtkCGNSReader::DisableAllBases()
{
this->BaseSelection->DisableAllArrays();
}
//----------------------------------------------------------------------------
void vtkCGNSReader::EnableAllBases()
{
this->BaseSelection->EnableAllArrays();
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetNumberOfBaseArrays()
{
return this->BaseSelection->GetNumberOfArrays();
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetBaseArrayStatus(const char* name)
{
return this->BaseSelection->GetArraySetting(name);
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetBaseArrayStatus(const char* name, int status)
{
#if VTK_MAJOR_VERSION >=8
this->BaseSelection->SetArraySetting(name, status);
#else
this->BaseSelection->AddArray(name);
if (status)
this->BaseSelection->EnableArray(name);
else
this->BaseSelection->DisableArray(name);
#endif
}
//----------------------------------------------------------------------------
const char* vtkCGNSReader::GetBaseArrayName(int index)
{
return this->BaseSelection->GetArrayName(index);
}
//----------------------------------------------------------------------------
vtkDataArraySelection* vtkCGNSReader::GetBaseSelection()
{
#if VTK_MAJOR_VERSION >= 8
return this->BaseSelection;
#else
return this->BaseSelection.GetPointer();
#endif
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetNumberOfFamilyArrays()
{
return this->FamilySelection->GetNumberOfArrays();
}
//----------------------------------------------------------------------------
const char* vtkCGNSReader::GetFamilyArrayName(int index)
{
return this->FamilySelection->GetArrayName(index);
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetFamilyArrayStatus(const char* name, int status)
{
#if VTK_MAJOR_VERSION >= 8
this->FamilySelection->SetArraySetting(name, status);
#else
this->FamilySelection->AddArray(name);
if (status)
this->FamilySelection->EnableArray(name);
else
this->FamilySelection->DisableArray(name);
#endif
}
//----------------------------------------------------------------------------
int vtkCGNSReader::GetFamilyArrayStatus(const char* name)
{
return this->FamilySelection->GetArraySetting(name);
}
//----------------------------------------------------------------------------
void vtkCGNSReader::EnableAllFamilies()
{
this->FamilySelection->EnableAllArrays();
}
//----------------------------------------------------------------------------
void vtkCGNSReader::DisableAllFamilies()
{
this->FamilySelection->DisableAllArrays();
}
//----------------------------------------------------------------------------
vtkDataArraySelection* vtkCGNSReader::GetFamilySelection()
{
#if VTK_MAJOR_VERSION >= 8
return this->FamilySelection;
#else
return this->FamilySelection.GetPointer();
#endif
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetCacheMesh(bool enable)
{
this->CacheMesh = enable;
if (!enable)
{
this->Internals->MeshPointsCache.ClearCache();
}
}
//----------------------------------------------------------------------------
void vtkCGNSReader::SetCacheConnectivity(bool enable)
{
this->CacheConnectivity = enable;
if (!enable)
{
this->Internals->ConnectivitiesCache.ClearCache();
}
}
//==============================================================================
#ifdef _WINDOWS
#pragma warning(pop)
#endif