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211 lines
6.7 KiB
C++
211 lines
6.7 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkUniformGrid.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 vtkUniformGrid
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* @brief image data with blanking
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*
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* vtkUniformGrid is a subclass of vtkImageData. In addition to all
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* the image data functionality, it supports blanking.
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*/
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#ifndef vtkUniformGrid_h
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#define vtkUniformGrid_h
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkImageData.h"
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class vtkEmptyCell;
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class vtkStructuredVisibilityConstraint;
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class vtkUnsignedCharArray;
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class vtkAMRBox;
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class VTKCOMMONDATAMODEL_EXPORT vtkUniformGrid : public vtkImageData
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{
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public:
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//@{
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/**
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* Construct an empty uniform grid.
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*/
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static vtkUniformGrid* New();
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vtkTypeMacro(vtkUniformGrid, vtkImageData);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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/**
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* Copy the geometric and topological structure of an input image data
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* object.
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*/
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void CopyStructure(vtkDataSet* ds) override;
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/**
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* Return what type of dataset this is.
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*/
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int GetDataObjectType() override { return VTK_UNIFORM_GRID; }
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//@{
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/**
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* Standard vtkDataSet API methods. See vtkDataSet for more information.
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*/
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vtkCell* GetCell(int i, int j, int k) override;
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vtkCell* GetCell(vtkIdType cellId) override;
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void GetCell(vtkIdType cellId, vtkGenericCell* cell) override;
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vtkIdType FindCell(double x[3], vtkCell* cell, vtkIdType cellId, double tol2, int& subId,
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double pcoords[3], double* weights) override;
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vtkIdType FindCell(double x[3], vtkCell* cell, vtkGenericCell* gencell, vtkIdType cellId,
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double tol2, int& subId, double pcoords[3], double* weights) override;
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vtkCell* FindAndGetCell(double x[3], vtkCell* cell, vtkIdType cellId, double tol2, int& subId,
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double pcoords[3], double* weights) override;
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int GetCellType(vtkIdType cellId) override;
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void GetCellPoints(vtkIdType cellId, vtkIdList* ptIds) override
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{
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vtkStructuredData::GetCellPoints(
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cellId, ptIds, this->GetDataDescription(), this->GetDimensions());
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}
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void GetPointCells(vtkIdType ptId, vtkIdList* cellIds) override
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{
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vtkStructuredData::GetPointCells(ptId, cellIds, this->GetDimensions());
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}
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void Initialize() override;
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int GetMaxCellSize() override { return 8; } // voxel is the largest
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//@}
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/**
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* Returns the data description of this uniform grid instance.
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*/
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int GetGridDescription();
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/**
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* Initialize with no ghost cell arrays, from the definition in
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* the given box. The box is expetced to be 3D, if you have 2D
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* data the set the third dimensions 0. eg. (X,X,0)(X,X,0)
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* Returns 0 if the initialization failed.
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*/
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int Initialize(const vtkAMRBox* def, double* origin, double* spacing);
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/**
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* Initialize from the definition in the given box, with ghost cell
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* arrays nGhosts cells thick in all directions. The box is expetced
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* to be 3D, if you have 2D data the set the third dimensions 0.
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* eg. (X,X,0)(X,X,0)
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* Returns 0 if the initialization failed.
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*/
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int Initialize(const vtkAMRBox* def, double* origin, double* spacing, int nGhosts);
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/**
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* Initialize from the definition in the given box, with ghost cell
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* arrays of the thickness given in each direction by "nGhosts" array.
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* The box and ghost array are expected to be 3D, if you have 2D data
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* the set the third dimensions 0. eg. (X,X,0)(X,X,0)
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* Returns 0 if the initialization failed.
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*/
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int Initialize(const vtkAMRBox* def, double* origin, double* spacing, const int nGhosts[3]);
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/**
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* Construct a uniform grid, from the definition in the given box
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* "def", with ghost cell arrays of the thickness given in each
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* direction by "nGhosts*". The box and ghost array are expected
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* to be 3D, if you have 2D data the set the third dimensions 0. eg.
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* (X,X,0)(X,X,0)
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* Returns 0 if the initialization failed.
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*/
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int Initialize(const vtkAMRBox* def, double* origin, double* spacing, int nGhostsI, int nGhostsJ,
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int nGhostsK);
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//@{
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/**
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* Methods for supporting blanking of cells. Blanking turns on or off
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* points in the structured grid, and hence the cells connected to them.
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* These methods should be called only after the dimensions of the
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* grid are set.
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*/
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virtual void BlankPoint(vtkIdType ptId);
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virtual void UnBlankPoint(vtkIdType ptId);
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virtual void BlankPoint(const int i, const int j, const int k);
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virtual void UnBlankPoint(const int i, const int j, const int k);
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//@}
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//@{
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/**
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* Methods for supporting blanking of cells. Blanking turns on or off
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* cells in the structured grid.
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* These methods should be called only after the dimensions of the
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* grid are set.
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*/
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virtual void BlankCell(vtkIdType ptId);
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virtual void UnBlankCell(vtkIdType ptId);
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virtual void BlankCell(const int i, const int j, const int k);
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virtual void UnBlankCell(const int i, const int j, const int k);
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//@}
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/**
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* Returns 1 if there is any visibility constraint on the cells,
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* 0 otherwise.
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*/
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bool HasAnyBlankCells() override;
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/**
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* Returns 1 if there is any visibility constraint on the points,
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* 0 otherwise.
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*/
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bool HasAnyBlankPoints() override;
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/**
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* Return non-zero value if specified point is visible.
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* These methods should be called only after the dimensions of the
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* grid are set.
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*/
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virtual unsigned char IsPointVisible(vtkIdType ptId);
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/**
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* Return non-zero value if specified cell is visible.
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* These methods should be called only after the dimensions of the
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* grid are set.
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*/
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virtual unsigned char IsCellVisible(vtkIdType cellId);
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virtual vtkImageData* NewImageDataCopy();
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//@{
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/**
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* Retrieve an instance of this class from an information object.
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*/
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static vtkUniformGrid* GetData(vtkInformation* info);
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static vtkUniformGrid* GetData(vtkInformationVector* v, int i = 0);
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//@}
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protected:
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vtkUniformGrid();
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~vtkUniformGrid() override;
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/**
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* Returns the cell dimensions for this vtkUniformGrid instance.
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*/
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void GetCellDims(int cellDims[3]);
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/**
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* Override this method because of blanking.
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*/
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void ComputeScalarRange() override;
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vtkEmptyCell* GetEmptyCell();
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private:
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vtkUniformGrid(const vtkUniformGrid&) = delete;
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void operator=(const vtkUniformGrid&) = delete;
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vtkEmptyCell* EmptyCell;
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static unsigned char MASKED_CELL_VALUE;
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};
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#endif
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