mirror of
https://gitlab.kitware.com/vtk/vtk-m
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99 lines
3.2 KiB
C++
99 lines
3.2 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_MapperPoint_h
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#define vtk_m_rendering_MapperPoint_h
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#include <vtkm/Deprecated.h>
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#include <vtkm/cont/ColorTable.h>
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#include <vtkm/rendering/Camera.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 This mapper renders points from a cell set.
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///
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/// This mapper can natively create points from
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/// vertex cell shapes as well as use the points
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/// defined by a coordinate system.
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class VTKM_RENDERING_EXPORT MapperPoint : public Mapper
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{
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public:
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MapperPoint();
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~MapperPoint();
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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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/// @brief Specify the elements the points will be associated with.
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///
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/// The point mapper will place visible points over locations specified by either the points
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/// or the cells of a mesh.
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virtual vtkm::cont::Field::Association GetAssociation() const;
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/// @copydoc GetAssociation
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virtual void SetAssociation(vtkm::cont::Field::Association association);
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/// @copydoc GetAssociation
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virtual bool GetUseCells() const;
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/// @copydoc GetAssociation
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virtual void SetUseCells();
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/// @copydoc GetAssociation
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virtual bool GetUsePoints() const;
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/// @copydoc GetAssociation
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virtual void SetUsePoints();
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VTKM_DEPRECATED(2.2, "Use SetUseCells or SetAssociation.")
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void UseCells();
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VTKM_DEPRECATED(2.2, "Use SetUsePoints or SetAssociation.")
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void UseNodes();
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///
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/// @brief Render points using a variable radius based on the scalar field.
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///
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/// The default is false.
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void UseVariableRadius(bool useVariableRadius);
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/// @brief Set a base raidus for all points.
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///
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/// If a radius is never specified the default heuristic is used.
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void SetRadius(const vtkm::Float32& radius);
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/// When using a variable raidus for all points, the
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/// radius delta controls how much larger and smaller
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/// radii become based on the scalar field. If the delta
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/// is 0 all points will have the same radius. If the delta
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/// is 0.5 then the max/min scalar values would have a radii
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/// of base +/- base * 0.5.
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void SetRadiusDelta(const vtkm::Float32& delta);
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void RenderCells(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) override;
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void SetCompositeBackground(bool on);
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vtkm::rendering::Mapper* NewCopy() const override;
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private:
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struct InternalsType;
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std::shared_ptr<InternalsType> Internals;
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struct RenderFunctor;
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};
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}
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} //namespace vtkm::rendering
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#endif //vtk_m_rendering_MapperPoint_h
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