101 lines
3.5 KiB
C++
101 lines
3.5 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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// 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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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_rendering_MapperRayTracer_h
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#define vtk_m_rendering_MapperRayTracer_h
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#include <vtkm/cont/Timer.h>
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#include <vtkm/cont/internal/DeviceAdapterTagSerial.h>
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#include <vtkm/rendering/ColorTable.h>
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#include <vtkm/rendering/Mapper.h>
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#include <vtkm/rendering/Triangulator.h>
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#include <vtkm/rendering/raytracing/RayTracer.h>
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#include <vtkm/rendering/raytracing/Camera.h>
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#include <vtkm/rendering/CanvasRayTracer.h>
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#include <vtkm/rendering/Camera.h>
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namespace vtkm {
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namespace rendering {
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// static bool doOnce = true;
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template<typename DeviceAdapter = VTKM_DEFAULT_DEVICE_ADAPTER_TAG>
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class MapperRayTracer : public Mapper
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{
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protected:
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32,4> > ColorMap;
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vtkm::rendering::raytracing::RayTracer<DeviceAdapter> Tracer;
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CanvasRayTracer *Canvas;
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public:
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VTKM_CONT_EXPORT
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MapperRayTracer()
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{
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this->Canvas = nullptr;
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}
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VTKM_CONT_EXPORT
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void SetCanvas(vtkm::rendering::Canvas *canvas)
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{
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if(canvas != nullptr)
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{
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this->Canvas = dynamic_cast<CanvasRayTracer*>(canvas);
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if(this->Canvas == nullptr)
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{
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throw vtkm::cont::ErrorControlBadValue(
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"Ray Tracer: bad canvas type. Must be CanvasRayTracer");
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}
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}
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}
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VTKM_CONT_EXPORT
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void SetActiveColorTable(const ColorTable &colorTable)
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{
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colorTable.Sample(1024, ColorMap);
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}
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VTKM_CONT_EXPORT
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void RenderCells(const vtkm::cont::DynamicCellSet &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::rendering::ColorTable &vtkmNotUsed(colorTable),
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const vtkm::rendering::Camera &camera,
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const vtkm::Range &scalarRange)
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{
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const vtkm::cont::DynamicArrayHandleCoordinateSystem dynamicCoordsHandle = coords.GetData();
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vtkm::cont::ArrayHandle< vtkm::Vec<vtkm::Id, 4> > indices;
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this->Tracer.GetCamera().SetParameters(camera, *this->Canvas);
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vtkm::Id numberOfTriangles;
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vtkm::Bounds dataBounds = coords.GetBounds(DeviceAdapter());
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Triangulator<DeviceAdapter> triangulator;
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triangulator.run(cellset, indices, numberOfTriangles);//,dynamicCoordsHandle,dataBounds);
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this->Tracer.SetData(dynamicCoordsHandle,
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indices,
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scalarField,
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numberOfTriangles,
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scalarRange,
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dataBounds);
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this->Tracer.SetColorMap(this->ColorMap);
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this->Tracer.SetBackgroundColor(
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this->Canvas->GetBackgroundColor().Components);
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this->Tracer.Render(this->Canvas);
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}
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};
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}} //namespace vtkm::rendering
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#endif //vtk_m_rendering_MapperRayTracer_h
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