vtk-m/vtkm/worklet/testing/UnitTestVertexClustering.cxx

91 lines
4.1 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.
//
// Copyright 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#include <iostream>
#include <vtkm/cont/DataSet.h>
#include <vtkm/cont/DeviceAdapter.h>
#include <vtkm/cont/testing/MakeTestDataSet.h>
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/worklet/VertexClustering.h>
void TestVertexClustering()
{
vtkm::Float64 bounds[6];
const vtkm::Id divisions = 3;
vtkm::cont::testing::MakeTestDataSet maker;
vtkm::cont::DataSet dataSet = maker.Make3DExplicitDataSetCowNose(bounds);
// run
vtkm::worklet::VertexClustering<VTKM_DEFAULT_DEVICE_ADAPTER_TAG> clustering;
vtkm::cont::DataSet outDataSet = clustering.Run(dataSet.GetCellSet(),
dataSet.GetCoordinateSystem(),
divisions);
// test
const vtkm::Id output_pointIds = 9;
vtkm::Id output_pointId[output_pointIds] = {0,1,3, 1,5,4, 1,2,5};
const vtkm::Id output_points = 6;
vtkm::Float64 output_point[output_points][3] = {{0.0174716003,0.0501927994,0.0930275023}, {0.0320714004,0.14704667,0.0952706337}, {0.0268670674,0.246195346,0.119720004}, {0.00215422804,0.0340906903,0.180881709}, {0.0108188,0.152774006,0.167914003}, {0.0202241503,0.225427493,0.140208006}};
VTKM_TEST_ASSERT(outDataSet.GetNumberOfCoordinateSystems() == 1,
"Number of output coordinate systems mismatch");
typedef vtkm::Vec<vtkm::Float64, 3> PointType;
typedef vtkm::cont::ArrayHandle<PointType > PointArray;
PointArray pointArray =
outDataSet.GetCoordinateSystem(0).GetData().
CastToArrayHandle<PointArray::ValueType, PointArray::StorageTag>();
VTKM_TEST_ASSERT(pointArray.GetNumberOfValues() == output_points,
"Number of output points mismatch" );
for (vtkm::Id i = 0; i < pointArray.GetNumberOfValues(); ++i)
{
const PointType &p1 = pointArray.GetPortalConstControl().Get(i);
PointType p2 = vtkm::make_Vec(output_point[i][0],
output_point[i][1],
output_point[i][2]);
std::cout << "point: " << p1 << " " << p2 << std::endl;
VTKM_TEST_ASSERT(test_equal(p1, p2), "Point Array mismatch");
}
typedef vtkm::cont::CellSetSingleType<> CellSetType;
VTKM_TEST_ASSERT(outDataSet.GetNumberOfCellSets() == 1, "Number of output cellsets mismatch");
CellSetType cellSet = outDataSet.GetCellSet(0).CastTo<CellSetType>();
VTKM_TEST_ASSERT(
cellSet.GetConnectivityArray(vtkm::TopologyElementTagPoint(),vtkm::TopologyElementTagCell()).GetNumberOfValues() == output_pointIds,
"Number of connectivity array elements mismatch");
for (vtkm::Id i=0; i<cellSet.GetConnectivityArray(vtkm::TopologyElementTagPoint(),vtkm::TopologyElementTagCell()).GetNumberOfValues(); i++)
{
vtkm::Id id1 = cellSet.GetConnectivityArray(vtkm::TopologyElementTagPoint(),vtkm::TopologyElementTagCell()).GetPortalConstControl().Get(i) ;
vtkm::Id id2 = output_pointId[i] ;
std::cout << "pointid: " << id1 << " " << id2 << std::endl;
//VTKM_TEST_ASSERT( id1 == id2, "Connectivity Array mismatch" ) ;
}
} // TestVertexClustering
int UnitTestVertexClustering(int, char *[])
{
return vtkm::cont::testing::Testing::Run(TestVertexClustering);
}