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itkTransformTest.cxx
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itkTransformTest.cxx
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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include <set>
#include "itkTestingMacros.h"
#include "itkTransform.h"
namespace itk
{
namespace itkTransformTestHelpers
{
template <typename TScalar, unsigned int VInputDimension, unsigned int VOutputDimension>
class TransformTestHelper : public Transform<TScalar, VInputDimension, VOutputDimension>
{
public:
using Self = TransformTestHelper;
using Superclass = Transform<TScalar, VInputDimension, VOutputDimension>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
itkNewMacro(Self);
itkOverrideGetNameOfClassMacro(TransformTestHelper);
using typename Superclass::JacobianType;
using typename Superclass::JacobianPositionType;
using typename Superclass::ParametersType;
using typename Superclass::InputPointType;
using typename Superclass::OutputPointType;
using typename Superclass::InputVectorType;
using typename Superclass::OutputVectorType;
using typename Superclass::InputVectorPixelType;
using typename Superclass::OutputVectorPixelType;
using typename Superclass::InputVnlVectorType;
using typename Superclass::OutputVnlVectorType;
using typename Superclass::InputCovariantVectorType;
using typename Superclass::OutputCovariantVectorType;
using typename Superclass::InputDiffusionTensor3DType;
using typename Superclass::OutputDiffusionTensor3DType;
using typename Superclass::InputSymmetricSecondRankTensorType;
using typename Superclass::OutputSymmetricSecondRankTensorType;
OutputPointType
TransformPoint(const InputPointType & itkNotUsed(inputPoint)) const override
{
OutputPointType outPoint;
outPoint.Fill(22.0);
return outPoint;
}
using Superclass::TransformVector;
OutputVectorType
TransformVector(const InputVectorType & itkNotUsed(inputVector)) const override
{
OutputVectorType outVector;
outVector.Fill(12.2);
return outVector;
}
OutputVnlVectorType
TransformVector(const InputVnlVectorType & itkNotUsed(inputVector)) const override
{
OutputVnlVectorType outVector(15.0);
return outVector;
}
OutputVectorPixelType
TransformVector(const InputVectorPixelType & itkNotUsed(inputVector)) const override
{
OutputVectorPixelType outVector;
outVector.Fill(88.8);
return outVector;
}
using Superclass::TransformCovariantVector;
OutputCovariantVectorType
TransformCovariantVector(const InputCovariantVectorType & itkNotUsed(inputVector)) const override
{
OutputCovariantVectorType outVector;
outVector.Fill(8.9);
return outVector;
}
OutputVectorPixelType
TransformCovariantVector(const InputVectorPixelType & itkNotUsed(inputVector)) const override
{
OutputVectorPixelType outVector;
outVector.Fill(6.9);
return outVector;
}
using Superclass::TransformDiffusionTensor3D;
OutputDiffusionTensor3DType
TransformDiffusionTensor3D(const InputDiffusionTensor3DType & itkNotUsed(tensor)) const override
{
OutputDiffusionTensor3DType outTensor;
outTensor.Fill(2.1);
return outTensor;
}
OutputVectorPixelType
TransformDiffusionTensor3D(const InputVectorPixelType & itkNotUsed(tensor)) const override
{
OutputVectorPixelType outTensor;
outTensor.Fill(29.1);
return outTensor;
}
using Superclass::TransformSymmetricSecondRankTensor;
OutputSymmetricSecondRankTensorType
TransformSymmetricSecondRankTensor(const InputSymmetricSecondRankTensorType & itkNotUsed(tensor)) const override
{
OutputSymmetricSecondRankTensorType outTensor;
outTensor.Fill(10.0);
return outTensor;
}
OutputVectorPixelType
TransformSymmetricSecondRankTensor(const InputVectorPixelType & itkNotUsed(tensor)) const override
{
OutputVectorPixelType outTensor;
outTensor.Fill(55.9);
return outTensor;
}
void
SetParameters(const ParametersType &) override
{}
void
SetFixedParameters(const ParametersType &) override
{}
void
ComputeJacobianWithRespectToParameters(const InputPointType &, JacobianType & jacobian) const override
{
jacobian.SetSize(3, 6);
jacobian.Fill(1);
}
using Superclass::ComputeJacobianWithRespectToPosition;
void
ComputeJacobianWithRespectToPosition(const InputPointType &, JacobianPositionType & jacobian) const override
{
jacobian.fill(1.0);
}
};
template <typename TScalar, unsigned int VInputDimension, unsigned int VOutputDimension>
class TransformTester
{
public:
using Self = TransformTester;
using TransformType = TransformTestHelper<double, VInputDimension, VOutputDimension>;
using JacobianType = typename TransformType::JacobianType;
using ParametersType = typename TransformType::ParametersType;
using InputPointType = typename TransformType::InputPointType;
using OutputPointType = typename TransformType::OutputPointType;
using InputVectorType = typename TransformType::InputVectorType;
using OutputVectorType = typename TransformType::OutputVectorType;
using InputVectorPixelType = typename TransformType::InputVectorPixelType;
using OutputVectorPixelType = typename TransformType::OutputVectorPixelType;
using InputVnlVectorType = typename TransformType::InputVnlVectorType;
using OutputVnlVectorType = typename TransformType::OutputVnlVectorType;
using InputCovariantVectorType = typename TransformType::InputCovariantVectorType;
using OutputCovariantVectorType = typename TransformType::OutputCovariantVectorType;
using InputDiffusionTensor3DType = typename TransformType::InputDiffusionTensor3DType;
using OutputDiffusionTensor3DType = typename TransformType::OutputDiffusionTensor3DType;
using InputSymmetricSecondRankTensorType = typename TransformType::InputSymmetricSecondRankTensorType;
using OutputSymmetricSecondRankTensorType = typename TransformType::OutputSymmetricSecondRankTensorType;
bool
RunTests()
{
std::cout << "Testing itkTransform<" << VInputDimension << ',' << VOutputDimension << '>' << std::endl;
auto transform = TransformType::New();
InputPointType pnt;
pnt.Fill(2.9);
transform->TransformPoint(pnt);
std::cout << "TransformPoint() OK" << std::endl;
InputVectorType vec;
transform->TransformVector(vec);
transform->TransformVector(vec, pnt);
InputVectorPixelType vecpix;
vecpix.SetSize(VInputDimension);
vecpix.Fill(1.7);
transform->TransformVector(vecpix);
transform->TransformVector(vecpix, pnt);
InputVnlVectorType vec_vnl;
transform->TransformVector(vec_vnl);
transform->TransformVector(vec_vnl, pnt);
std::cout << "TransformVector() OK" << std::endl;
InputCovariantVectorType covec;
transform->TransformCovariantVector(covec);
transform->TransformCovariantVector(vecpix);
transform->TransformCovariantVector(covec, pnt);
transform->TransformCovariantVector(vecpix, pnt);
std::cout << "TransformCovariantVector() OK" << std::endl;
InputDiffusionTensor3DType difften;
vecpix.SetSize(6);
vecpix.Fill(1.7);
transform->TransformDiffusionTensor3D(difften);
transform->TransformDiffusionTensor3D(difften, pnt);
transform->TransformDiffusionTensor3D(vecpix);
transform->TransformDiffusionTensor3D(vecpix, pnt);
std::cout << "TransformDiffusionTensor3D() OK" << std::endl;
InputSymmetricSecondRankTensorType ssrten;
vecpix.SetSize(VInputDimension * VInputDimension);
vecpix.Fill(0);
transform->TransformSymmetricSecondRankTensor(ssrten);
transform->TransformSymmetricSecondRankTensor(ssrten, pnt);
transform->TransformSymmetricSecondRankTensor(vecpix);
transform->TransformSymmetricSecondRankTensor(vecpix, pnt);
std::cout << "TransformSymmetricSecondRankTensor() OK" << std::endl;
typename TransformType::ParametersType parameters(6);
try
{
transform->SetParameters(parameters);
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
try
{
transform->GetParameters();
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
typename TransformType::JacobianType jacobian;
try
{
transform->ComputeJacobianWithRespectToParameters(pnt, jacobian);
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
typename TransformType::JacobianPositionType jacobian_position;
try
{
transform->ComputeJacobianWithRespectToPosition(pnt, jacobian_position);
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
typename TransformType::InverseJacobianPositionType inv_jacobian_position;
try
{
transform->ComputeInverseJacobianWithRespectToPosition(pnt, inv_jacobian_position);
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
typename TransformType::DerivativeType update(transform->GetNumberOfParameters());
update.Fill(1);
try
{
transform->UpdateTransformParameters(update);
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
}
// Exercise some methods
transform->Print(std::cout);
std::cout << transform->GetNameOfClass() << std::endl;
transform->SetObjectName("test_transform");
ITK_TEST_EXPECT_EQUAL(std::string("test_transform"), transform->GetObjectName());
transform->SetInputSpaceName("test_inputspace");
ITK_TEST_EXPECT_EQUAL(std::string("test_inputspace"), transform->GetInputSpaceName());
transform->SetOutputSpaceName("test_outputspace");
ITK_TEST_EXPECT_EQUAL(std::string("test_outputspace"), transform->GetOutputSpaceName());
// Test streaming enumeration for TransformBaseTemplateEnums::TransformCategory elements
const std::set<itk::TransformBaseTemplateEnums::TransformCategory> allTransformCategory{
itk::TransformBaseTemplateEnums::TransformCategory::UnknownTransformCategory,
itk::TransformBaseTemplateEnums::TransformCategory::Linear,
itk::TransformBaseTemplateEnums::TransformCategory::BSpline,
itk::TransformBaseTemplateEnums::TransformCategory::Spline,
itk::TransformBaseTemplateEnums::TransformCategory::DisplacementField,
itk::TransformBaseTemplateEnums::TransformCategory::VelocityField
};
for (const auto & ee : allTransformCategory)
{
std::cout << "STREAMED ENUM VALUE TransformBaseTemplateEnums::TransformCategory: " << ee << std::endl;
}
return true;
}
};
} // namespace itkTransformTestHelpers
} // namespace itk
int
itkTransformTest(int, char *[])
{
itk::itkTransformTestHelpers::TransformTester<double, 3, 3> tester33;
tester33.RunTests();
std::cout << "passed 3 3" << std::endl;
itk::itkTransformTestHelpers::TransformTester<double, 3, 2> tester32;
tester32.RunTests();
std::cout << "passed 3 2" << std::endl;
itk::itkTransformTestHelpers::TransformTester<double, 2, 3> tester23;
tester23.RunTests();
std::cout << "passed 2 3" << std::endl;
std::cout << "[ PASSED ]" << std::endl;
return EXIT_SUCCESS;
}