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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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.
*
*=========================================================================*/
/**
* This is a test file for the itkGaussianSpatialObject class.
*/
#include "itkGaussianSpatialObject.h"
#include "itkMath.h"
int itkGaussianSpatialObjectTest(int, char* [])
{
typedef itk::GaussianSpatialObject<4> GaussianType;
GaussianType::Pointer myGaussian = GaussianType::New();
myGaussian->Print(std::cout);
myGaussian->SetMaximum(2);
GaussianType::ScalarType maximum = myGaussian->GetMaximum();
std::cout << "Testing Maximum: ";
if( itk::Math::NotExactlyEquals(maximum, 2) )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
myGaussian->SetRadius(3);
GaussianType::ScalarType radius =
myGaussian->GetRadius();
std::cout << "Testing Radius: ";
if( itk::Math::NotExactlyEquals(radius, 3) )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
myGaussian->SetSigma(1.5);
GaussianType::ScalarType sigma =
myGaussian->GetSigma();
std::cout << "Testing Sigma: ";
if( sigma != 1.5 )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
std::cout << "[PASSED]" << std::endl;
// Point consistency
itk::Point<double,4> in;
in[0]=1; in[1]=2; in[2]=1; in[3]=1;
itk::Point<double,4> out;
out[0]=0; out[1]=4; out[2]=0; out[3]=0;
double value;
myGaussian->ValueAt(in, value);
std::cout << "ValueAt(" << in << ") = " << value << std::endl;
std::cout << "Is Inside: ";
if(!myGaussian->IsInside(in))
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
if(myGaussian->IsInside(out))
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
std::cout<<"[PASSED]"<<std::endl;
std::cout << "GetEllipsoid:\n"
<< myGaussian->GetEllipsoid() << std::endl;
std::cout << "ObjectToWorldTransform : ";
// Create myGaussian2 as a child of myGaussian
GaussianType::Pointer myGaussian2 = GaussianType::New();
myGaussian->AddSpatialObject(myGaussian2);
GaussianType::TransformType::OffsetType offset;
offset.Fill(10);
myGaussian->GetModifiableObjectToWorldTransform()->SetOffset(offset);
myGaussian->ComputeObjectToParentTransform();
GaussianType::TransformType::OffsetType offset2;
offset2.Fill(15);
myGaussian2->GetModifiableObjectToWorldTransform()->SetOffset(offset2);
myGaussian2->ComputeObjectToParentTransform();
GaussianType::TransformType::OffsetType offset3;
offset3 = myGaussian2->GetObjectToParentTransform()->GetOffset();
if( itk::Math::NotAlmostEquals(offset3[0], 5.0) || itk::Math::NotAlmostEquals(offset3[1], 5.0)
|| itk::Math::NotAlmostEquals(offset3[2], 5.0) || itk::Math::NotAlmostEquals(offset3[3], 5.0)
)
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
std::cout<<"[PASSED]"<<std::endl;
std::cout << "ComputeBoundingBox: ";
myGaussian->ComputeBoundingBox();
GaussianType::BoundingBoxType * boundingBox = myGaussian->GetBoundingBox();
for(unsigned int i=0;i<3;i++)
{
if( itk::Math::NotAlmostEquals(boundingBox->GetBounds()[2*i], 7.0 )
|| itk::Math::NotAlmostEquals(boundingBox->GetBounds()[2*i+1], 16.0 )
)
{
std::cout<<"[FAILED]"<<std::endl;
return EXIT_FAILURE;
}
}
myGaussian->Print(std::cout);
std::cout<<"[PASSED]"<<std::endl;
return EXIT_SUCCESS;
}
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