171 lines
5.0 KiB
C++
171 lines
5.0 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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// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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/MapperQuad.h>
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#include <vtkm/cont/Timer.h>
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#include <vtkm/cont/TryExecute.h>
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#include <vtkm/rendering/CanvasRayTracer.h>
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#include <vtkm/rendering/Cylinderizer.h>
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#include <vtkm/rendering/raytracing/Camera.h>
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#include <vtkm/rendering/raytracing/CylinderExtractor.h>
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#include <vtkm/rendering/raytracing/CylinderIntersector.h>
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#include <vtkm/rendering/raytracing/Logger.h>
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#include <vtkm/rendering/raytracing/QuadExtractor.h>
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#include <vtkm/rendering/raytracing/QuadIntersector.h>
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#include <vtkm/rendering/raytracing/RayOperations.h>
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#include <vtkm/rendering/raytracing/RayTracer.h>
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#include <vtkm/rendering/raytracing/SphereExtractor.h>
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#include <vtkm/rendering/raytracing/SphereIntersector.h>
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namespace vtkm
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{
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namespace rendering
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{
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struct MapperQuad::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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bool CompositeBackground;
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VTKM_CONT
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InternalsType()
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: Canvas(nullptr)
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, CompositeBackground(true)
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{
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}
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};
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MapperQuad::MapperQuad()
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: Internals(new InternalsType)
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{
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}
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MapperQuad::~MapperQuad()
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{
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}
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void MapperQuad::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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vtkm::rendering::Canvas* MapperQuad::GetCanvas() const
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{
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return this->Internals->Canvas;
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}
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void MapperQuad::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::cont::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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//
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// Add supported shapes
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//
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vtkm::Bounds shapeBounds;
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raytracing::QuadExtractor quadExtractor;
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quadExtractor.ExtractCells(cellset);
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if (quadExtractor.GetNumberOfQuads() > 0)
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{
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raytracing::QuadIntersector* quadIntersector = new raytracing::QuadIntersector();
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quadIntersector->SetData(coords, quadExtractor.GetQuadIds());
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this->Internals->Tracer.AddShapeIntersector(quadIntersector);
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shapeBounds.Include(quadIntersector->GetShapeBounds());
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}
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//
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// Create rays
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//
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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, shapeBounds);
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this->Internals->Rays.Buffers.at(0).InitConst(0.f);
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raytracing::RayOperations::MapCanvasToRays(
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this->Internals->Rays, camera, *this->Internals->Canvas);
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this->Internals->Tracer.SetField(scalarField, scalarRange);
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this->Internals->Tracer.SetColorMap(this->ColorMap);
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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(
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this->Internals->Rays, this->Internals->Rays.Buffers.at(0).Buffer, camera);
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if (this->Internals->CompositeBackground)
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{
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this->Internals->Canvas->BlendBackground();
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}
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vtkm::Float64 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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}
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void MapperQuad::SetCompositeBackground(bool on)
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{
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this->Internals->CompositeBackground = on;
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}
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void MapperQuad::StartScene()
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{
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// Nothing needs to be done.
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}
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void MapperQuad::EndScene()
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{
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// Nothing needs to be done.
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}
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vtkm::rendering::Mapper* MapperQuad::NewCopy() const
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{
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return new vtkm::rendering::MapperQuad(*this);
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}
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}
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} // vtkm::rendering
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