vtk-m/vtkm/interop/anari/testing/UnitTestANARIScene.cxx
2023-08-30 15:52:48 -05:00

111 lines
3.7 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//============================================================================
// vtkm::anari
#include <vtkm/interop/anari/ANARIMapperGlyphs.h>
#include <vtkm/interop/anari/ANARIMapperTriangles.h>
#include <vtkm/interop/anari/ANARIMapperVolume.h>
#include <vtkm/interop/anari/ANARIScene.h>
// vtk-m
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/filter/contour/Contour.h>
#include <vtkm/filter/vector_analysis/Gradient.h>
#include <vtkm/io/EncodePNG.h>
#include <vtkm/source/Tangle.h>
// std
#include <cstdlib>
#include <vector>
#include "ANARITestCommon.h"
namespace
{
void RenderTests()
{
// Initialize ANARI /////////////////////////////////////////////////////////
auto d = loadANARIDevice();
// Create VTKm datasets /////////////////////////////////////////////////////
vtkm::source::Tangle source;
source.SetPointDimensions({ 32 });
auto tangle = source.Execute();
auto& tangle_field = tangle.GetField("tangle");
vtkm::Range range;
tangle_field.GetRange(&range);
const auto isovalue = range.Center();
vtkm::filter::contour::Contour contourFilter;
contourFilter.SetIsoValue(isovalue);
contourFilter.SetActiveField(tangle_field.GetName());
auto tangleIso = contourFilter.Execute(tangle);
vtkm::filter::vector_analysis::Gradient gradientFilter;
gradientFilter.SetActiveField(tangle_field.GetName());
gradientFilter.SetOutputFieldName("Gradient");
auto tangleGrad = gradientFilter.Execute(tangle);
// Map data to ANARI objects ////////////////////////////////////////////////
vtkm::interop::anari::ANARIScene scene(d);
auto& mVol = scene.AddMapper(vtkm::interop::anari::ANARIMapperVolume(d));
mVol.SetName("volume");
auto& mIso = scene.AddMapper(vtkm::interop::anari::ANARIMapperTriangles(d));
mIso.SetName("isosurface");
mIso.SetCalculateNormals(true);
auto& mGrad = scene.AddMapper(vtkm::interop::anari::ANARIMapperGlyphs(d));
mGrad.SetName("gradient");
// Render a frame ///////////////////////////////////////////////////////////
renderTestANARIImage(d,
scene.GetANARIWorld(),
vtkm::Vec3f_32(-0.05, 1.43, 1.87),
vtkm::Vec3f_32(0.32, -0.53, -0.79),
vtkm::Vec3f_32(-0.20, -0.85, 0.49),
"interop/anari/scene-empty-mappers.png");
// Render a frame ///////////////////////////////////////////////////////////
mVol.SetActor({ tangle.GetCellSet(), tangle.GetCoordinateSystem(), tangle.GetField("tangle") });
mIso.SetActor(
{ tangleIso.GetCellSet(), tangleIso.GetCoordinateSystem(), tangleIso.GetField("tangle") });
mGrad.SetActor(
{ tangleGrad.GetCellSet(), tangleGrad.GetCoordinateSystem(), tangleGrad.GetField("Gradient") });
setColorMap(d, mVol);
setColorMap(d, mIso);
setColorMap(d, mGrad);
renderTestANARIImage(d,
scene.GetANARIWorld(),
vtkm::Vec3f_32(-0.05, 1.43, 1.87),
vtkm::Vec3f_32(0.32, -0.53, -0.79),
vtkm::Vec3f_32(-0.20, -0.85, 0.49),
"interop/anari/scene.png");
// Cleanup //////////////////////////////////////////////////////////////////
anari_cpp::release(d, d);
}
} // namespace
int UnitTestANARIScene(int argc, char* argv[])
{
return vtkm::cont::testing::Testing::Run(RenderTests, argc, argv);
}