vtkUnstructuredGridLinearRayIntegrator.h

Go to the documentation of this file.

// 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 vtkUnstructuredGridLinearRayIntegrator_h
#define vtkUnstructuredGridLinearRayIntegrator_h
 
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkUnstructuredGridVolumeRayIntegrator.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkLinearRayIntegratorTransferFunction;
class vtkVolumeProperty;
 
class VTKRENDERINGVOLUME_EXPORT vtkUnstructuredGridLinearRayIntegrator
  : public vtkUnstructuredGridVolumeRayIntegrator
{
public:
  vtkTypeMacro(vtkUnstructuredGridLinearRayIntegrator, vtkUnstructuredGridVolumeRayIntegrator);
  static vtkUnstructuredGridLinearRayIntegrator* 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;
 
 
  static void IntegrateRay(double length, double intensity_front, double attenuation_front,
    double intensity_back, double attenuation_back, float color[4]);
  static void IntegrateRay(double length, const double color_front[3], double attenuation_front,
    const double color_back[3], double attenuation_back, float color[4]);
 
  static float Psi(float length, float attenuation_front, float attenuation_back);
 
protected:
  vtkUnstructuredGridLinearRayIntegrator();
  ~vtkUnstructuredGridLinearRayIntegrator() override;
 
  vtkVolumeProperty* Property;
 
  vtkLinearRayIntegratorTransferFunction* TransferFunctions;
  vtkTimeStamp TransferFunctionsModified;
  int NumIndependentComponents;
 
private:
  vtkUnstructuredGridLinearRayIntegrator(const vtkUnstructuredGridLinearRayIntegrator&) = delete;
  void operator=(const vtkUnstructuredGridLinearRayIntegrator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkUnstructuredGridLinearRayIntegrator_h