vtkUnstructuredGridHomogeneousRayIntegrator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2004 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
 
#ifndef vtkUnstructuredGridHomogeneousRayIntegrator_h
#define vtkUnstructuredGridHomogeneousRayIntegrator_h
 
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkUnstructuredGridVolumeRayIntegrator.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkVolumeProperty;
 
class VTKRENDERINGVOLUME_EXPORT vtkUnstructuredGridHomogeneousRayIntegrator
  : public vtkUnstructuredGridVolumeRayIntegrator
{
public:
  vtkTypeMacro(vtkUnstructuredGridHomogeneousRayIntegrator, vtkUnstructuredGridVolumeRayIntegrator);
  static vtkUnstructuredGridHomogeneousRayIntegrator* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize(vtkVolume* volume, vtkDataArray* scalars) override;
 
  void Integrate(vtkDoubleArray* intersectionLengths, vtkDataArray* nearIntersections,
    vtkDataArray* farIntersections, float color[4]) override;
 
 
  vtkSetMacro(TransferFunctionTableSize, int);
  vtkGetMacro(TransferFunctionTableSize, int);
 
protected:
  vtkUnstructuredGridHomogeneousRayIntegrator();
  ~vtkUnstructuredGridHomogeneousRayIntegrator() override;
 
  vtkVolume* Volume;
  vtkVolumeProperty* Property;
 
  int NumComponents;
  float** ColorTable;
  float** AttenuationTable;
  double* TableShift;
  double* TableScale;
  vtkTimeStamp TablesBuilt;
 
  int UseAverageColor;
  int TransferFunctionTableSize;
 
  virtual void GetTransferFunctionTables(vtkDataArray* scalars);
 
private:
  vtkUnstructuredGridHomogeneousRayIntegrator(
    const vtkUnstructuredGridHomogeneousRayIntegrator&) = delete;
  void operator=(const vtkUnstructuredGridHomogeneousRayIntegrator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkUnstructuredGridHomogeneousRayIntegrator_h