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https://gitlab.kitware.com/vtk/vtk-m
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45a73baab1
It is more common to use degrees when specifying a transform (thanks to the classic OpenGL interface). Also, camera specifies the field of view in degrees, which made rotations inconsistent. This change unifies all that.
94 lines
3.4 KiB
C++
94 lines
3.4 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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#include <vtkm/cont/testing/MakeTestDataSet.h>
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#include <vtkm/rendering/Actor.h>
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#include <vtkm/rendering/CanvasRayTracer.h>
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#include <vtkm/rendering/MapperRayTracer.h>
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#include <vtkm/rendering/Scene.h>
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#include <vtkm/rendering/View.h>
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace {
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void Set3DView(vtkm::rendering::Camera &camera,
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const vtkm::cont::CoordinateSystem &coords)
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{
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vtkm::Bounds coordsBounds =
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coords.GetBounds(VTKM_DEFAULT_DEVICE_ADAPTER_TAG());
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//set up a default view
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camera = vtkm::rendering::Camera();
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camera.ResetToBounds(coordsBounds);
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camera.Azimuth(45.0f);
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camera.Elevation(45.0f);
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std::cout << "Camera3d: pos: " << camera.GetPosition() << std::endl;
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std::cout << " lookAt: " << camera.GetLookAt() << std::endl;
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std::cout << " up: " << camera.GetViewUp() << std::endl;
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std::cout << " near/far: " << camera.GetClippingRange() << std::endl;
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std::cout << " fieldOfView: " << camera.GetFieldOfView() << std::endl;
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}
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void Render(const vtkm::cont::DataSet &ds,
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const std::string &fieldNm,
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const std::string &ctName,
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const std::string &outputFile)
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{
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const vtkm::Int32 W = 512, H = 512;
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const vtkm::cont::CoordinateSystem coords = ds.GetCoordinateSystem();
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vtkm::rendering::MapperRayTracer<VTKM_DEFAULT_DEVICE_ADAPTER_TAG> mapper;
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vtkm::rendering::Camera camera;
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Set3DView(camera, coords);
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vtkm::rendering::Scene scene;
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vtkm::rendering::Color bg(0.2f, 0.2f, 0.2f, 1.0f);
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vtkm::rendering::CanvasRayTracer canvas(W,H);
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scene.AddActor(vtkm::rendering::Actor(ds.GetCellSet(),
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ds.GetCoordinateSystem(),
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ds.GetField(fieldNm),
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vtkm::rendering::ColorTable(ctName)));
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vtkm::rendering::View3D view(scene, mapper, canvas, camera, bg);
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view.Initialize();
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view.Paint();
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view.SaveAs(outputFile);
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}
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void RenderTests()
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{
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vtkm::cont::testing::MakeTestDataSet maker;
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//3D tests.
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Render(maker.Make3DRegularDataSet0(),
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"pointvar", "thermal", "reg3D.pnm");
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Render(maker.Make3DRectilinearDataSet0(),
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"pointvar", "thermal", "rect3D.pnm");
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Render(maker.Make3DExplicitDataSet4(),
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"pointvar", "thermal", "expl3D.pnm");
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}
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} //namespace
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int UnitTestMapperRayTracer(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(RenderTests);
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}
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