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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.
*
*=========================================================================*/
#include "itkRegularSphereMeshSource.h"
int itkRegularSphereMeshSourceTest2(int, char* [] )
{
const unsigned int Dimension = 3;
typedef float PixelType;
typedef itk::Mesh< PixelType, Dimension > MeshType;
typedef itk::RegularSphereMeshSource< MeshType > SphereMeshSourceType;
SphereMeshSourceType::VectorType scale;
scale[0] = 1.;
scale[1] = 2.;
scale[2] = 3.;
SphereMeshSourceType::Pointer source1 = SphereMeshSourceType::New();
source1->SetResolution( 1 );
source1->SetScale( scale );
source1->Update();
MeshType::Pointer mesh1 = source1->GetOutput();
if( mesh1->GetCellsAllocationMethod() != MeshType::CellsAllocatedDynamicallyCellByCell )
{
std::cerr << "mesh1->GetCellsAllocationMethod() != MeshType::CellsAllocatedDynamicallyCellByCell"
<< std::endl;
return EXIT_FAILURE;
}
SphereMeshSourceType::Pointer source2 = SphereMeshSourceType::New();
source2->SetResolution( 2 );
source2->SetScale( scale );
source2->Update();
MeshType::Pointer mesh2 = source2->GetOutput();
mesh2->Graft( mesh1 );
MeshType::PointsContainerConstPointer points = mesh2->GetPoints();
MeshType::PointsContainerConstIterator it = points->Begin();
MeshType::PointsContainerConstIterator end = points->End();
MeshType::PointType center = source2->GetCenter();
SphereMeshSourceType::VectorType scale2 = source2->GetScale();
if( ( scale2 - scale ).GetNorm() != 0. )
{
std::cerr << "scale2 != scale" << std::endl;
return EXIT_FAILURE;
}
while( it != end )
{
const MeshType::PointType p = it->Value();
double d = itk::NumericTraits< double >::ZeroValue();
for( unsigned int dim = 0; dim < Dimension; dim++ )
{
d += ( center[dim] - p[dim] ) * ( center[dim] - p[dim] ) / ( scale[dim] * scale[dim] );
}
if( itk::Math::abs( d - 1. ) > 1e-6 )
{
std::cerr << "too much deviation for vertex " << it->Index() << std::endl;
std::cerr << "distance: " << d << std::endl;
return EXIT_FAILURE;
}
++it;
}
return EXIT_SUCCESS;
}
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