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Merge topic 'cross_and_dot_filters'

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da2b518e fix compiler warning
1a0dfaa7 Add mapfield method.
daf11713 Filters to compute the cross and dot product of vector fields.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Robert Maynard <robert.maynard@kitware.com>
Merge-request: !1098
This commit is contained in:
Dave Pugmire 2018-02-27 21:00:38 +00:00 committed by Kitware Robot
commit 4fd3203bc2
8 changed files with 616 additions and 0 deletions
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4
vtkm/filter/CMakeLists.txt
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@ -24,6 +24,8 @@ set(headers
ClipWithField.h
ClipWithImplicitFunction.h
ContourTreeUniform.h
CrossProduct.h
DotProduct.h
Entropy.h
ExternalFaces.h
ExtractGeometry.h
@ -64,6 +66,8 @@ set(header_template_sources
ClipWithField.hxx
ClipWithImplicitFunction.hxx
ContourTreeUniform.hxx
CrossProduct.hxx
DotProduct.hxx
Entropy.hxx
ExternalFaces.hxx
ExtractGeometry.hxx

72
vtkm/filter/CrossProduct.h Normal file
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@ -0,0 +1,72 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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.
//============================================================================
#ifndef vtk_m_filter_CrossProduct_h
#define vtk_m_filter_CrossProduct_h
#include <vtkm/filter/FilterField.h>
#include <vtkm/worklet/CrossProduct.h>
namespace vtkm
{
namespace filter
{
class CrossProduct : public vtkm::filter::FilterField<CrossProduct>
{
public:
VTKM_CONT
CrossProduct();
VTKM_CONT
void SetSecondaryFieldName(const std::string& nm) { SecondaryFieldName = nm; }
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT vtkm::filter::Result DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter& tag);
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT bool DoMapField(vtkm::filter::Result& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
DeviceAdapter tag);
private:
vtkm::worklet::CrossProduct Worklet;
std::string SecondaryFieldName;
};
template <>
class FilterTraits<CrossProduct>
{ //currently the CrossProduct filter only works on vector data.
public:
typedef TypeListTagVecCommon InputFieldTypeList;
};
}
} // namespace vtkm::filter
#include <vtkm/filter/CrossProduct.hxx>
#endif // vtk_m_filter_CrossProduct_h

84
vtkm/filter/CrossProduct.hxx Normal file
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@ -0,0 +1,84 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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 <vtkm/worklet/DispatcherMapField.h>
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT CrossProduct::CrossProduct()
: vtkm::filter::FilterField<CrossProduct>()
, Worklet()
, SecondaryFieldName("")
{
this->SetOutputFieldName("crossproduct");
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
inline VTKM_CONT vtkm::filter::Result CrossProduct::DoExecute(
const vtkm::cont::DataSet& inDataSet,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
const vtkm::filter::FieldMetadata& fieldMetadata,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter&)
{
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType> outArray;
vtkm::worklet::DispatcherMapField<vtkm::worklet::CrossProduct, DeviceAdapter> dispatcher(
this->Worklet);
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType> secondaryField;
try
{
vtkm::filter::ApplyPolicy(inDataSet.GetField(SecondaryFieldName), policy)
.CopyTo(secondaryField);
}
catch (const vtkm::cont::Error&)
{
return vtkm::filter::Result();
}
dispatcher.Invoke(field, secondaryField, outArray);
return vtkm::filter::Result(inDataSet,
outArray,
this->GetOutputFieldName(),
fieldMetadata.GetAssociation(),
fieldMetadata.GetCellSetName());
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
inline VTKM_CONT bool CrossProduct::DoMapField(vtkm::filter::Result& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>&,
DeviceAdapter)
{
//we copy the input handle to the result dataset, reusing the metadata
result.GetDataSet().AddField(fieldMeta.AsField(input));
return true;
}
}
} // namespace vtkm::filter

72
vtkm/filter/DotProduct.h Normal file
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@ -0,0 +1,72 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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.
//============================================================================
#ifndef vtk_m_filter_DotProduct_h
#define vtk_m_filter_DotProduct_h
#include <vtkm/filter/FilterField.h>
#include <vtkm/worklet/DotProduct.h>
namespace vtkm
{
namespace filter
{
class DotProduct : public vtkm::filter::FilterField<DotProduct>
{
public:
VTKM_CONT
DotProduct();
VTKM_CONT
void SetSecondaryFieldName(const std::string& nm) { SecondaryFieldName = nm; }
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT vtkm::filter::Result DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter& tag);
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
VTKM_CONT bool DoMapField(vtkm::filter::Result& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
DeviceAdapter tag);
private:
vtkm::worklet::DotProduct Worklet;
std::string SecondaryFieldName;
};
template <>
class FilterTraits<DotProduct>
{ //currently the DotProduct filter only works on vector data.
public:
typedef TypeListTagVecCommon InputFieldTypeList;
};
}
} // namespace vtkm::filter
#include <vtkm/filter/DotProduct.hxx>
#endif // vtk_m_filter_DotProduct_h

84
vtkm/filter/DotProduct.hxx Normal file
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@ -0,0 +1,84 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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 <vtkm/worklet/DispatcherMapField.h>
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT DotProduct::DotProduct()
: vtkm::filter::FilterField<DotProduct>()
, Worklet()
, SecondaryFieldName("")
{
this->SetOutputFieldName("crossproduct");
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
inline VTKM_CONT vtkm::filter::Result DotProduct::DoExecute(
const vtkm::cont::DataSet& inDataSet,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
const vtkm::filter::FieldMetadata& fieldMetadata,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
const DeviceAdapter&)
{
vtkm::cont::ArrayHandle<T, StorageType> outArray;
vtkm::worklet::DispatcherMapField<vtkm::worklet::DotProduct, DeviceAdapter> dispatcher(
this->Worklet);
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType> secondaryField;
try
{
vtkm::filter::ApplyPolicy(inDataSet.GetField(SecondaryFieldName), policy)
.CopyTo(secondaryField);
}
catch (const vtkm::cont::Error&)
{
return vtkm::filter::Result();
}
dispatcher.Invoke(field, secondaryField, outArray);
return vtkm::filter::Result(inDataSet,
outArray,
this->GetOutputFieldName(),
fieldMetadata.GetAssociation(),
fieldMetadata.GetCellSetName());
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
inline VTKM_CONT bool DotProduct::DoMapField(vtkm::filter::Result& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>&,
DeviceAdapter)
{
//we copy the input handle to the result dataset, reusing the metadata
result.GetDataSet().AddField(fieldMeta.AsField(input));
return true;
}
}
} // namespace vtkm::filter

2
vtkm/filter/testing/CMakeLists.txt
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@ -24,6 +24,8 @@ set(unit_tests
UnitTestClipWithFieldFilter.cxx
UnitTestClipWithImplicitFunctionFilter.cxx
UnitTestContourTreeUniformFilter.cxx
UnitTestCrossProductFilter.cxx
UnitTestDotProductFilter.cxx
UnitTestEntropyFilter.cxx
UnitTestExternalFacesFilter.cxx
UnitTestExtractGeometryFilter.cxx

156
vtkm/filter/testing/UnitTestCrossProductFilter.cxx Normal file
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@ -0,0 +1,156 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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 <vtkm/cont/testing/MakeTestDataSet.h>
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/filter/CrossProduct.h>
#include <random>
#include <vector>
namespace
{
std::mt19937 randGenerator;
template <typename T>
void createVectors(std::size_t numPts,
int vecType,
std::vector<vtkm::Vec<T, 3>>& vecs1,
std::vector<vtkm::Vec<T, 3>>& vecs2)
{
if (vecType == 0) // X x Y
{
vecs1.resize(numPts, vtkm::make_Vec(1, 0, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 1, 0));
}
else if (vecType == 1) // Y x Z
{
vecs1.resize(numPts, vtkm::make_Vec(0, 1, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 0, 1));
}
else if (vecType == 2) // Z x X
{
vecs1.resize(numPts, vtkm::make_Vec(0, 0, 1));
vecs2.resize(numPts, vtkm::make_Vec(1, 0, 0));
}
else if (vecType == 3) // Y x X
{
vecs1.resize(numPts, vtkm::make_Vec(0, 1, 0));
vecs2.resize(numPts, vtkm::make_Vec(1, 0, 0));
}
else if (vecType == 4) // Z x Y
{
vecs1.resize(numPts, vtkm::make_Vec(0, 0, 1));
vecs2.resize(numPts, vtkm::make_Vec(0, 1, 0));
}
else if (vecType == 5) // X x Z
{
vecs1.resize(numPts, vtkm::make_Vec(1, 0, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 0, 1));
}
else if (vecType == 6)
{
//Test some other vector combinations
std::uniform_real_distribution<vtkm::Float64> randomDist(-10.0, 10.0);
randomDist(randGenerator);
vecs1.resize(numPts);
vecs2.resize(numPts);
for (std::size_t i = 0; i < numPts; i++)
{
vecs1[i] = vtkm::make_Vec(
randomDist(randGenerator), randomDist(randGenerator), randomDist(randGenerator));
vecs2[i] = vtkm::make_Vec(
randomDist(randGenerator), randomDist(randGenerator), randomDist(randGenerator));
}
}
}
void TestCrossProduct()
{
std::cout << "Testing CrossProduct Filter" << std::endl;
vtkm::cont::testing::MakeTestDataSet testDataSet;
const int numCases = 7;
for (int i = 0; i < numCases; i++)
{
vtkm::cont::DataSet dataSet = testDataSet.Make3DUniformDataSet0();
vtkm::Id nVerts = dataSet.GetCoordinateSystem(0).GetData().GetNumberOfValues();
std::vector<vtkm::Vec<vtkm::FloatDefault, 3>> vecs1, vecs2;
createVectors(static_cast<std::size_t>(nVerts), i, vecs1, vecs2);
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> field1, field2;
field1 = vtkm::cont::make_ArrayHandle(vecs1);
field2 = vtkm::cont::make_ArrayHandle(vecs2);
vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "vec1", field1);
vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "vec2", field2);
vtkm::filter::Result result;
vtkm::filter::CrossProduct filter;
filter.SetSecondaryFieldName("vec2");
result = filter.Execute(dataSet, dataSet.GetField("vec1"));
VTKM_TEST_ASSERT(result.IsValid(), "Result should be valid");
VTKM_TEST_ASSERT(result.GetField().GetName() == "crossproduct", "Output field has wrong name.");
VTKM_TEST_ASSERT(result.GetField().GetAssociation() == vtkm::cont::Field::ASSOC_POINTS,
"Output field has wrong association");
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> outputArray;
if (result.FieldAs(outputArray))
{
auto v1Portal = field1.GetPortalConstControl();
auto v2Portal = field2.GetPortalConstControl();
auto outPortal = outputArray.GetPortalConstControl();
for (vtkm::Id j = 0; j < outputArray.GetNumberOfValues(); j++)
{
vtkm::Vec<vtkm::FloatDefault, 3> v1 = v1Portal.Get(j);
vtkm::Vec<vtkm::FloatDefault, 3> v2 = v2Portal.Get(j);
vtkm::Vec<vtkm::FloatDefault, 3> res = outPortal.Get(j);
//Make sure result is orthogonal each input vector. Need to normalize to compare with zero.
vtkm::Vec<vtkm::FloatDefault, 3> v1N(vtkm::Normal(v1)), v2N(vtkm::Normal(v1)),
resN(vtkm::Normal(res));
VTKM_TEST_ASSERT(test_equal(vtkm::dot(resN, v1N), vtkm::FloatDefault(0.0)),
"Wrong result for cross product");
VTKM_TEST_ASSERT(test_equal(vtkm::dot(resN, v2N), vtkm::FloatDefault(0.0)),
"Wrong result for cross product");
vtkm::FloatDefault sinAngle =
vtkm::Magnitude(res) * vtkm::RMagnitude(v1) * vtkm::RMagnitude(v2);
vtkm::FloatDefault cosAngle =
vtkm::dot(v1, v2) * vtkm::RMagnitude(v1) * vtkm::RMagnitude(v2);
VTKM_TEST_ASSERT(
test_equal(sinAngle * sinAngle + cosAngle * cosAngle, vtkm::FloatDefault(1.0)),
"Bad cross product length.");
}
}
}
}
}
int UnitTestCrossProductFilter(int, char* [])
{
return vtkm::cont::testing::Testing::Run(TestCrossProduct);
}

142
vtkm/filter/testing/UnitTestDotProductFilter.cxx Normal file
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@ -0,0 +1,142 @@
//============================================================================
// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// 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 <vtkm/cont/testing/MakeTestDataSet.h>
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/filter/DotProduct.h>
#include <random>
#include <vector>
namespace
{
std::mt19937 randGenerator;
template <typename T>
void createVectors(std::size_t numPts,
int vecType,
std::vector<vtkm::Vec<T, 3>>& vecs1,
std::vector<vtkm::Vec<T, 3>>& vecs2)
{
if (vecType == 0) // X x Y
{
vecs1.resize(numPts, vtkm::make_Vec(1, 0, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 1, 0));
}
else if (vecType == 1) // Y x Z
{
vecs1.resize(numPts, vtkm::make_Vec(0, 1, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 0, 1));
}
else if (vecType == 2) // Z x X
{
vecs1.resize(numPts, vtkm::make_Vec(0, 0, 1));
vecs2.resize(numPts, vtkm::make_Vec(1, 0, 0));
}
else if (vecType == 3) // Y x X
{
vecs1.resize(numPts, vtkm::make_Vec(0, 1, 0));
vecs2.resize(numPts, vtkm::make_Vec(1, 0, 0));
}
else if (vecType == 4) // Z x Y
{
vecs1.resize(numPts, vtkm::make_Vec(0, 0, 1));
vecs2.resize(numPts, vtkm::make_Vec(0, 1, 0));
}
else if (vecType == 5) // X x Z
{
vecs1.resize(numPts, vtkm::make_Vec(1, 0, 0));
vecs2.resize(numPts, vtkm::make_Vec(0, 0, 1));
}
else if (vecType == 6)
{
//Test some other vector combinations
std::uniform_real_distribution<vtkm::Float64> randomDist(-10.0, 10.0);
randomDist(randGenerator);
vecs1.resize(numPts);
vecs2.resize(numPts);
for (std::size_t i = 0; i < numPts; i++)
{
vecs1[i] = vtkm::make_Vec(
randomDist(randGenerator), randomDist(randGenerator), randomDist(randGenerator));
vecs2[i] = vtkm::make_Vec(
randomDist(randGenerator), randomDist(randGenerator), randomDist(randGenerator));
}
}
}
void TestDotProduct()
{
std::cout << "Testing DotProduct Filter" << std::endl;
vtkm::cont::testing::MakeTestDataSet testDataSet;
const int numCases = 7;
for (int i = 0; i < numCases; i++)
{
vtkm::cont::DataSet dataSet = testDataSet.Make3DUniformDataSet0();
vtkm::Id nVerts = dataSet.GetCoordinateSystem(0).GetData().GetNumberOfValues();
std::vector<vtkm::Vec<vtkm::FloatDefault, 3>> vecs1, vecs2;
createVectors(static_cast<std::size_t>(nVerts), i, vecs1, vecs2);
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> field1, field2;
field1 = vtkm::cont::make_ArrayHandle(vecs1);
field2 = vtkm::cont::make_ArrayHandle(vecs2);
vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "vec1", field1);
vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "vec2", field2);
vtkm::filter::Result result;
vtkm::filter::DotProduct filter;
filter.SetSecondaryFieldName("vec2");
result = filter.Execute(dataSet, dataSet.GetField("vec1"));
VTKM_TEST_ASSERT(result.IsValid(), "result should be valid");
VTKM_TEST_ASSERT(result.GetField().GetName() == "crossproduct", "Output field has wrong name.");
VTKM_TEST_ASSERT(result.GetField().GetAssociation() == vtkm::cont::Field::ASSOC_POINTS,
"Output field has wrong association");
vtkm::cont::ArrayHandle<vtkm::FloatDefault> outputArray;
if (result.FieldAs(outputArray))
{
auto v1Portal = field1.GetPortalConstControl();
auto v2Portal = field2.GetPortalConstControl();
auto outPortal = outputArray.GetPortalConstControl();
for (vtkm::Id j = 0; j < outputArray.GetNumberOfValues(); j++)
{
vtkm::Vec<vtkm::FloatDefault, 3> v1 = v1Portal.Get(j);
vtkm::Vec<vtkm::FloatDefault, 3> v2 = v2Portal.Get(j);
vtkm::FloatDefault res = outPortal.Get(j);
VTKM_TEST_ASSERT(test_equal(vtkm::dot(v1, v2), res), "Wrong result for dot product");
}
}
}
}
}
int UnitTestDotProductFilter(int, char* [])
{
return vtkm::cont::testing::Testing::Run(TestDotProduct);
}