vtkAMRSliceFilter.h

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/*=========================================================================
 
 Program:   Visualization Toolkit
 Module:    vtkAMRSliceFilter.h
 
 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.
 
 =========================================================================*/
#ifndef vtkAMRSliceFilter_h
#define vtkAMRSliceFilter_h
 
#include "vtkFiltersAMRModule.h" // For export macro
#include "vtkOverlappingAMRAlgorithm.h"
 
#include <vector> // For STL vector
 
class vtkInformation;
class vtkInformationVector;
class vtkOverlappingAMR;
class vtkMultiProcessController;
class vtkPlane;
class vtkAMRBox;
class vtkUniformGrid;
 
class VTKFILTERSAMR_EXPORT vtkAMRSliceFilter : public vtkOverlappingAMRAlgorithm
{
public:
  static vtkAMRSliceFilter* New();
  vtkTypeMacro(vtkAMRSliceFilter, vtkOverlappingAMRAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  // Inline Gettters & Setters
 
 
  vtkSetMacro(OffsetFromOrigin, double);
  vtkGetMacro(OffsetFromOrigin, double);
 
 
  vtkSetMacro(MaxResolution, unsigned int);
  vtkGetMacro(MaxResolution, unsigned int);
 
  enum NormalTag : char
  {
    X_NORMAL = 1,
    Y_NORMAL = 2,
    Z_NORMAL = 4
  };
 
 
  vtkSetMacro(Normal, int);
  vtkGetMacro(Normal, int);
 
 
  vtkSetMacro(Controller, vtkMultiProcessController*);
  vtkGetMacro(Controller, vtkMultiProcessController*);
 
  // Standard Pipeline methods
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
  int FillOutputPortInformation(int port, vtkInformation* info) override;
 
  int RequestInformation(vtkInformation* rqst, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
protected:
  vtkAMRSliceFilter();
  ~vtkAMRSliceFilter() override = default;
 
  int GetDonorCellIdx(double x[3], vtkUniformGrid* ug);
 
  int GetDonorPointIdx(double x[3], vtkUniformGrid* ug);
 
  void ComputeCellCenter(vtkUniformGrid* ug, const int cellIdx, double centroid[3]);
 
  vtkUniformGrid* GetSlice(double origin[3], int* dims, double* gorigin, double* spacing);
 
  void GetSliceCellData(vtkUniformGrid* slice, vtkUniformGrid* grid3D);
 
  void GetSlicePointData(vtkUniformGrid* slice, vtkUniformGrid* grid3D);
 
  bool PlaneIntersectsAMRBox(double plane[4], double bounds[6]);
 
  void ComputeAMRBlocksToLoad(vtkPlane* p, vtkOverlappingAMR* metadata);
 
  void GetAMRSliceInPlane(vtkPlane* p, vtkOverlappingAMR* inp, vtkOverlappingAMR* out);
 
  bool IsAMRData2D(vtkOverlappingAMR* input);
 
  vtkPlane* GetCutPlane(vtkOverlappingAMR* input);
 
  double OffsetFromOrigin;
  int Normal;
  unsigned int MaxResolution;
  vtkMultiProcessController* Controller;
 
  std::vector<int> BlocksToLoad;
 
private:
  vtkAMRSliceFilter(const vtkAMRSliceFilter&) = delete;
  void operator=(const vtkAMRSliceFilter&) = delete;
};
 
#endif /* vtkAMRSliceFilter_h */