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 );
 
  // Inline Gettters & Setters
  vtkSetMacro(OffSetFromOrigin,double);
  vtkGetMacro(OffSetFromOrigin,double);
 
 
  vtkSetMacro( ForwardUpstream, int );
  vtkGetMacro( ForwardUpstream, int );
  vtkBooleanMacro( ForwardUpstream, int );
 
 
  vtkSetMacro( EnablePrefetching, int );
  vtkGetMacro( EnablePrefetching, int );
  vtkBooleanMacro( EnablePrefetching, int );
 
 
  vtkSetMacro(MaxResolution,int);
  vtkGetMacro(MaxResolution,int);
 
 
  vtkSetMacro(Normal,int);
  vtkGetMacro(Normal,int);
 
 
  vtkSetMacro( Controller, vtkMultiProcessController* );
  vtkGetMacro( Controller, vtkMultiProcessController* );
 
  // Standard Pipeline methods
  virtual int RequestData(
     vtkInformation*,vtkInformationVector**,vtkInformationVector*);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
  virtual int FillOutputPortInformation(int port, vtkInformation *info);
 
 
  virtual int RequestInformation(
      vtkInformation *rqst,
      vtkInformationVector **inputVector,
      vtkInformationVector *outputVector );
 
 
  virtual int RequestUpdateExtent(
      vtkInformation*, vtkInformationVector**,vtkInformationVector* );
 
protected:
  vtkAMRSliceFilter();
  ~vtkAMRSliceFilter();
 
  int GetDonorCellIdx( 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 );
 
  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 );
 
 
  void InitializeOffSet(
    vtkOverlappingAMR *inp, double *min, double *max );
 
  double OffSetFromOrigin;
  int    Normal; // 1=>X-Normal, 2=>Y-Normal, 3=>Z-Normal
  bool   initialRequest;
  int    MaxResolution;
  vtkMultiProcessController *Controller;
 
  int ForwardUpstream;
  int EnablePrefetching;
  // BTX
  std::vector< int > BlocksToLoad;
  // ETX
 
private:
  vtkAMRSliceFilter( const vtkAMRSliceFilter& ); // Not implemented
  void operator=( const vtkAMRSliceFilter& ); // Not implemented
};
 
#endif /* VTKAMRSLICEFILTER_H_ */