mirror of
https://gitlab.kitware.com/vtk/vtk-m
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58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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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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#ifndef vtk_m_rendering_MapperVolume_h
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#define vtk_m_rendering_MapperVolume_h
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#include <vtkm/rendering/Mapper.h>
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#include <memory>
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namespace vtkm
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{
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namespace rendering
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{
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/// @brief Mapper that renders a volume as a translucent cloud.
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class VTKM_RENDERING_EXPORT MapperVolume : public Mapper
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{
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public:
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MapperVolume();
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~MapperVolume();
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void SetCanvas(vtkm::rendering::Canvas* canvas) override;
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virtual vtkm::rendering::Canvas* GetCanvas() const override;
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vtkm::rendering::Mapper* NewCopy() const override;
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/// @brief Specify how much space is between samples of rays that traverse the volume.
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///
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/// The volume rendering ray caster finds the entry point of the ray through the volume
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/// and then samples the volume along the direction of the ray at regular intervals.
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/// This parameter specifies how far these samples occur.
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void SetSampleDistance(const vtkm::Float32 distance);
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void SetCompositeBackground(const bool compositeBackground);
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private:
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struct InternalsType;
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std::shared_ptr<InternalsType> Internals;
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virtual void RenderCellsImpl(const vtkm::cont::UnknownCellSet& cellset,
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const vtkm::cont::CoordinateSystem& coords,
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const vtkm::cont::Field& scalarField,
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const vtkm::cont::ColorTable&, //colorTable
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const vtkm::rendering::Camera& camera,
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const vtkm::Range& scalarRange,
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const vtkm::cont::Field& ghostField) override;
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};
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}
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} //namespace vtkm::rendering
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#endif //vtk_m_rendering_MapperVolume_h
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