2016-08-29 21:50:47 +00:00
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//============================================================================
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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 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 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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#include <vtkm/rendering/MapperRayTracer.h>
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2017-07-08 20:48:38 +00:00
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#include <vtkm/cont/Timer.h>
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2016-08-29 21:50:47 +00:00
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#include <vtkm/cont/TryExecute.h>
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#include <vtkm/cont/internal/SimplePolymorphicContainer.h>
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#include <vtkm/rendering/CanvasRayTracer.h>
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#include <vtkm/rendering/internal/RunTriangulator.h>
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#include <vtkm/rendering/raytracing/Camera.h>
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2017-06-17 21:28:45 +00:00
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#include <vtkm/rendering/raytracing/Logger.h>
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2017-05-18 14:51:24 +00:00
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#include <vtkm/rendering/raytracing/RayTracer.h>
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2016-08-29 21:50:47 +00:00
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2017-05-18 14:29:41 +00:00
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namespace vtkm
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{
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namespace rendering
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{
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2016-08-29 21:50:47 +00:00
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struct MapperRayTracer::InternalsType
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{
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vtkm::rendering::CanvasRayTracer* Canvas;
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vtkm::rendering::raytracing::RayTracer Tracer;
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vtkm::rendering::raytracing::Camera RayCamera;
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vtkm::rendering::raytracing::Ray<vtkm::Float32> Rays;
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2016-08-29 21:50:47 +00:00
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2016-10-19 22:42:58 +00:00
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VTKM_CONT
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InternalsType()
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: Canvas(nullptr)
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{
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}
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2016-08-29 21:50:47 +00:00
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};
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MapperRayTracer::MapperRayTracer()
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: Internals(new InternalsType)
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2017-05-18 14:29:41 +00:00
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{
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}
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2016-08-29 21:50:47 +00:00
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2016-09-08 23:08:17 +00:00
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MapperRayTracer::~MapperRayTracer()
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2017-05-18 14:29:41 +00:00
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{
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}
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2016-09-08 23:08:17 +00:00
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2017-05-18 14:29:41 +00:00
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void MapperRayTracer::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->Internals->Canvas = dynamic_cast<CanvasRayTracer*>(canvas);
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if (this->Internals->Canvas == nullptr)
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{
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throw vtkm::cont::ErrorBadValue("Ray Tracer: bad canvas type. Must be CanvasRayTracer");
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}
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}
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else
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{
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this->Internals->Canvas = nullptr;
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}
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}
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2017-05-18 14:29:41 +00:00
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vtkm::rendering::Canvas* MapperRayTracer::GetCanvas() const
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2016-11-28 14:41:01 +00:00
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{
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return this->Internals->Canvas;
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}
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2017-05-18 14:29:41 +00:00
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void MapperRayTracer::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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raytracing::Logger* logger = raytracing::Logger::GetInstance();
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logger->OpenLogEntry("mapper_ray_tracer");
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vtkm::cont::Timer<> tot_timer;
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vtkm::cont::Timer<> timer;
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Id, 4>> indices;
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vtkm::Id numberOfTriangles;
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2017-05-18 14:29:41 +00:00
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2017-06-17 21:28:45 +00:00
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vtkm::rendering::internal::RunTriangulator(cellset, indices, numberOfTriangles);
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vtkm::Float64 time = timer.GetElapsedTime();
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logger->AddLogData("triangulator", time);
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vtkm::rendering::raytracing::Camera& cam = this->Internals->Tracer.GetCamera();
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cam.SetParameters(camera, *this->Internals->Canvas);
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this->Internals->RayCamera.SetParameters(camera, *this->Internals->Canvas);
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this->Internals->RayCamera.CreateRays(this->Internals->Rays, coords);
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vtkm::Bounds dataBounds = coords.GetBounds();
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this->Internals->Tracer.SetData(
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coords.GetData(), indices, scalarField, numberOfTriangles, scalarRange, dataBounds);
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this->Internals->Tracer.SetColorMap(this->ColorMap);
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this->Internals->Tracer.SetBackgroundColor(
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this->Internals->Canvas->GetBackgroundColor().Components);
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this->Internals->Tracer.Render(this->Internals->Rays);
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timer.Reset();
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this->Internals->Canvas->WriteToCanvas(this->Internals->Rays.PixelIdx,
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this->Internals->Rays.Distance,
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this->Internals->Rays.Buffers.at(0).Buffer,
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camera);
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time = timer.GetElapsedTime();
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logger->AddLogData("write_to_canvas", time);
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time = tot_timer.GetElapsedTime();
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logger->CloseLogEntry(time);
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2016-08-29 21:50:47 +00:00
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}
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void MapperRayTracer::StartScene()
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{
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// Nothing needs to be done.
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}
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void MapperRayTracer::EndScene()
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{
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// Nothing needs to be done.
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}
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2017-05-18 14:29:41 +00:00
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vtkm::rendering::Mapper* MapperRayTracer::NewCopy() const
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2016-09-01 18:33:28 +00:00
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{
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return new vtkm::rendering::MapperRayTracer(*this);
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}
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2016-08-29 21:50:47 +00:00
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}
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} // vtkm::rendering
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