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119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkDataObjectGenerator.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkDataObjectGenerator
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* @brief produces simple (composite or atomic) data
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* sets for testing.
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*
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* vtkDataObjectGenerator parses a string and produces dataobjects from the
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* dataobject template names it sees in the string. For example, if the string
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* contains "ID1" the generator will create a vtkImageData. "UF1", "RG1",
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* "SG1", "PD1", and "UG1" will produce vtkUniformGrid, vtkRectilinearGrid,
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* vtkStructuredGrid, vtkPolyData and vtkUnstructuredGrid respectively.
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* "PD2" will produce an alternate vtkPolyData. You
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* can compose composite datasets from the atomic ones listed above
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* by placing them within one of the two composite dataset identifiers
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* - "MB{}" or "HB[]". "MB{ ID1 PD1 MB{} }" for example will create a
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* vtkMultiBlockDataSet consisting of three blocks: image data, poly data,
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* multi-block (empty). Hierarchical Box data sets additionally require
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* the notion of groups, declared within "()" braces, to specify AMR depth.
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* "HB[ (UF1)(UF1)(UF1) ]" will create a vtkHierarchicalBoxDataSet representing
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* an octree that is three levels deep, in which the firstmost cell in each level
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* is refined.
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*/
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#ifndef vtkDataObjectGenerator_h
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#define vtkDataObjectGenerator_h
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#include "vtkDataObjectAlgorithm.h"
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#include "vtkFiltersCoreModule.h" // For export macro
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class vtkInternalStructureCache;
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class VTKFILTERSCORE_EXPORT vtkDataObjectGenerator : public vtkDataObjectAlgorithm
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{
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public:
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static vtkDataObjectGenerator* New();
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vtkTypeMacro(vtkDataObjectGenerator, vtkDataObjectAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* The string that will be parsed to specify a dataobject structure.
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*/
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vtkSetStringMacro(Program);
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vtkGetStringMacro(Program);
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//@}
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protected:
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vtkDataObjectGenerator();
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~vtkDataObjectGenerator() override;
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int RequestData(
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vtkInformation* req, vtkInformationVector** inV, vtkInformationVector* outV) override;
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int RequestDataObject(
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vtkInformation* req, vtkInformationVector** inV, vtkInformationVector* outV) override;
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int RequestInformation(
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vtkInformation* req, vtkInformationVector** inV, vtkInformationVector* outV) override;
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int RequestUpdateExtent(
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vtkInformation* req, vtkInformationVector** inV, vtkInformationVector* outV) override;
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// the string to parse to create a structure
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char* Program;
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// a record of the structure
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vtkInternalStructureCache* Structure;
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// Helper for RequestDataObject
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vtkDataObject* CreateOutputDataObjects(vtkInternalStructureCache* structure);
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// Helper for RequestData
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vtkDataObject* FillOutputDataObjects(
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vtkInternalStructureCache* structure, int level, int stripe = 0);
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// to determine which composite data stripe to fill in
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vtkIdType Rank;
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vtkIdType Processors;
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// create the templated atomic data sets
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void MakeImageData1(vtkDataSet* ds);
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void MakeImageData2(vtkDataSet* ds);
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void MakeUniformGrid1(vtkDataSet* ds);
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void MakeRectilinearGrid1(vtkDataSet* ds);
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void MakeStructuredGrid1(vtkDataSet* ds);
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void MakePolyData1(vtkDataSet* ds);
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void MakePolyData2(vtkDataSet* ds);
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void MakeUnstructuredGrid1(vtkDataSet* ds);
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void MakeUnstructuredGrid2(vtkDataSet* ds);
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void MakeUnstructuredGrid3(vtkDataSet* ds);
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void MakeUnstructuredGrid4(vtkDataSet* ds);
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// used to spatially separate sub data sets within composites
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double XOffset; // increases for each dataset index
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double YOffset; // increases for each sub data set
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double ZOffset; // increases for each group index
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// used to filling in point and cell values with unique Ids
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vtkIdType CellIdCounter;
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vtkIdType PointIdCounter;
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// assign point and cell values to each point and cell
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void MakeValues(vtkDataSet* ds);
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private:
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vtkDataObjectGenerator(const vtkDataObjectGenerator&) = delete;
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void operator=(const vtkDataObjectGenerator&) = delete;
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};
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#endif
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