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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.
*
*=========================================================================*/
#ifndef itkMeshFileTestHelper_h
#define itkMeshFileTestHelper_h
#include "itkMeshFileReader.h"
#include "itkMeshFileWriter.h"
#include <itksys/SystemTools.hxx>
template< typename TMesh >
int
TestPointsContainer( typename TMesh::PointsContainerPointer points0,
typename TMesh::PointsContainerPointer points1 )
{
typedef TMesh MeshType;
typedef typename MeshType::PointsContainerConstIterator PointsContainerConstIterator;
if ( points0.IsNotNull() && points1.IsNotNull() )
{
if( points0->Size() != points1->Size() )
{
std::cerr << "Input mesh and output mesh have different number of cells!" <<std::endl;
return EXIT_FAILURE;
}
PointsContainerConstIterator pt0 = points0->Begin();
PointsContainerConstIterator pt1 = points1->Begin();
const double tol = 1e-6;
while ( ( pt0 != points0->End() ) && ( pt1 != points1->End() ) )
{
if( pt0->Index() != pt1->Index() )
{
std::cerr << "Input mesh and output mesh are different in points!" << std::endl;
std::cerr << "Input point ID = " << pt0.Index() << std::endl;
std::cerr << "Output point ID = " << pt1.Index() << std::endl;
return EXIT_FAILURE;
}
if ( pt0.Value().SquaredEuclideanDistanceTo( pt1.Value() ) > tol )
{
std::cerr << "Input mesh and output mesh are different in points!" << std::endl;
std::cerr << "Input point = " << pt0.Value() << std::endl;
std::cerr << "Output point = " << pt1.Value() << std::endl;
return EXIT_FAILURE;
}
++pt0;
++pt1;
}
}
else
{
if ( points0.GetPointer() != points1.GetPointer() )
{
std::cerr << "Input mesh and output mesh are different in points!" << std::endl;
std::cerr << "points0 = " << points0.GetPointer() << std::endl;
std::cerr << "points1 = " << points1.GetPointer() << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
template< typename TMesh >
int
TestCellsContainer( typename TMesh::CellsContainerPointer cells0,
typename TMesh::CellsContainerPointer cells1 )
{
typedef TMesh MeshType;
typedef typename MeshType::CellsContainerConstIterator CellsContainerConstIterator;
typedef typename MeshType::CellType::PointIdIterator CellPointIdIterator;
if ( cells0.IsNotNull() && cells1.IsNotNull() )
{
if( cells0->Size() != cells1->Size() )
{
std::cerr << "Input mesh and output mesh have different number of cells!" <<std::endl;
return EXIT_FAILURE;
}
CellsContainerConstIterator ceIt0 = cells0->Begin();
CellsContainerConstIterator ceIt1 = cells1->Begin();
while ( ( ceIt0 != cells0->End() ) && ( ceIt1 != cells1->End() ) )
{
if ( ceIt0.Value()->GetType() != ceIt1.Value()->GetType() )
{
std::cerr << "Input mesh and output mesh are different in cell type!" << std::endl;
return EXIT_FAILURE;
}
if ( ceIt0.Index() != ceIt1.Index() )
{
std::cerr << "Input mesh and output mesh have different cell IDs" << std::endl;
std::cerr << "Input mesh cell ID: " << ceIt0.Index() << std::endl;
std::cerr << "Output mesh cell ID: " << ceIt1.Index() << std::endl;
return EXIT_FAILURE;
}
CellPointIdIterator pit0 = ceIt0.Value()->PointIdsBegin();
CellPointIdIterator pit1 = ceIt1.Value()->PointIdsBegin();
while ( pit0 != ceIt0.Value()->PointIdsEnd() )
{
if ( *pit0 != *pit1 )
{
std::cerr << "Input mesh and output mesh are different in cells!" << std::endl;
return EXIT_FAILURE;
}
++pit0;
++pit1;
}
++ceIt0;
++ceIt1;
}
}
else
{
if ( cells0.GetPointer() != cells1.GetPointer() )
{
std::cerr << "Input mesh and output mesh are different in cells!" << std::endl;
std::cerr << "cells0 = " << cells0.GetPointer() << std::endl;
std::cerr << "cells1 = " << cells1.GetPointer() << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
template< typename TMesh >
int
TestPointDataContainer( typename TMesh::PointDataContainerPointer pointData0,
typename TMesh::PointDataContainerPointer pointData1 )
{
typedef TMesh MeshType;
typedef typename MeshType::PointDataContainerIterator PointDataContainerIterator;
if ( pointData0.IsNotNull() && pointData1.IsNotNull() )
{
if( pointData0->Size() != pointData1->Size() )
{
std::cerr << "Input mesh and output mesh have different number of cells!" <<std::endl;
return EXIT_FAILURE;
}
PointDataContainerIterator pdIt0 = pointData0->Begin();
PointDataContainerIterator pdIt1 = pointData1->Begin();
while ( ( pdIt0 != pointData0->End() ) && ( pdIt1 != pointData1->End() ) )
{
if( pdIt0->Index() != pdIt1->Index() )
{
std::cerr << "Input mesh and output mesh are different in point data!" << std::endl;
std::cerr << "Input point ID = " << pdIt0.Index() << std::endl;
std::cerr << "Output point ID = " << pdIt1.Index() << std::endl;
return EXIT_FAILURE;
}
if ( itk::Math::NotExactlyEquals(pdIt0.Value(), pdIt1.Value()) )
{
std::cerr << "Input mesh and output mesh are different in point data!" << std::endl;
std::cerr << "Input = " << pdIt0.Value() << std::endl;
std::cerr << "Output = " << pdIt1.Value() << std::endl;
return EXIT_FAILURE;
}
++pdIt0;
++pdIt1;
}
}
else
{
if ( pointData0.GetPointer() != pointData1.GetPointer() )
{
std::cerr << "Input mesh and output mesh are different in point data!" << std::endl;
std::cerr << "pointData0 = " << pointData0.GetPointer() << std::endl;
std::cerr << "pointData1 = " << pointData1.GetPointer() << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
template< typename TMesh >
int
TestCellDataContainer( typename TMesh::CellDataContainerPointer cellData0,
typename TMesh::CellDataContainerPointer cellData1 )
{
typedef TMesh MeshType;
typedef typename MeshType::CellDataContainerIterator CellDataContainerIterator;
if ( cellData0.IsNotNull() && cellData1.IsNotNull() )
{
if( cellData0->Size() != cellData1->Size() )
{
std::cerr << "Input mesh and output mesh have different number of cells!" <<std::endl;
return EXIT_FAILURE;
}
CellDataContainerIterator cdIt0 = cellData0->Begin();
CellDataContainerIterator cdIt1 = cellData1->Begin();
while ( cdIt0 != cellData0->End() )
{
if( cdIt0->Index() != cdIt1->Index() )
{
std::cerr << "Input mesh and output mesh are different in cell data!" << std::endl;
std::cerr << "Input cell ID = " << cdIt0.Index() << std::endl;
std::cerr << "Output cell ID = " << cdIt1.Index() << std::endl;
return EXIT_FAILURE;
}
if ( itk::Math::NotExactlyEquals(cdIt0.Value(), cdIt1.Value()) )
{
std::cerr << "Input mesh and output mesh are different in cell data!" << std::endl;
std::cerr << "Input = " << cdIt0.Value() << std::endl;
std::cerr << "Output = " << cdIt1.Value() << std::endl;
return EXIT_FAILURE;
}
++cdIt0;
++cdIt1;
}
}
else
{
if ( cellData0.GetPointer() != cellData1.GetPointer() )
{
std::cerr << "Input mesh and output mesh are different in cell data!" << std::endl;
std::cerr << "pointData0 = " << cellData0.GetPointer() << std::endl;
std::cerr << "pointData1 = " << cellData1.GetPointer() << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
template< typename TMesh >
int
test(char *INfilename, char *OUTfilename, bool IsBinary)
{
typedef TMesh MeshType;
typedef itk::MeshFileReader< MeshType > MeshFileReaderType;
typedef typename MeshFileReaderType::Pointer MeshFileReaderPointer;
typedef itk::MeshFileWriter< MeshType > MeshFileWriterType;
typedef typename MeshFileWriterType::Pointer MeshFileWriterPointer;
MeshFileReaderPointer reader = MeshFileReaderType::New();
reader->SetFileName(INfilename);
try
{
reader->Update();
}
catch ( itk::ExceptionObject & err )
{
std::cerr << "Read file " << INfilename << " failed " << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
MeshFileWriterPointer writer = MeshFileWriterType::New();
if( itksys::SystemTools::GetFilenameLastExtension(INfilename) ==
itksys::SystemTools::GetFilenameLastExtension(OUTfilename) )
{
writer->SetMeshIO(reader->GetModifiableMeshIO());
}
writer->SetFileName(OUTfilename);
writer->SetInput( reader->GetOutput() );
// NOTE ALEX: we should document the usage
if ( IsBinary )
{
writer->SetFileTypeAsBINARY();
}
try
{
writer->Update();
}
catch ( itk::ExceptionObject & err )
{
std::cerr << "Write file " << OUTfilename << " failed " << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
if ( !itksys::SystemTools::FilesDiffer(INfilename, OUTfilename) )
{
return EXIT_SUCCESS;
}
typename MeshFileReaderType::Pointer reader1 = MeshFileReaderType::New();
reader1->SetFileName(OUTfilename);
try
{
reader1->Update();
}
catch ( itk::ExceptionObject & err )
{
std::cerr << "Read file " << OUTfilename << " failed " << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
// Test points
if( TestPointsContainer< MeshType >( reader->GetOutput()->GetPoints(),
reader1->GetOutput()->GetPoints() ) == EXIT_FAILURE )
{
return EXIT_FAILURE;
}
// Test cells
if( TestCellsContainer< MeshType >( reader->GetOutput()->GetCells(),
reader1->GetOutput()->GetCells() ) == EXIT_FAILURE )
{
return EXIT_FAILURE;
}
// Test point data
if( TestPointDataContainer< MeshType >( reader->GetOutput()->GetPointData(),
reader1->GetOutput()->GetPointData() ) == EXIT_FAILURE )
{
return EXIT_FAILURE;
}
// Test cell data
if( TestCellDataContainer< MeshType >( reader->GetOutput()->GetCellData(),
reader1->GetOutput()->GetCellData() ) == EXIT_FAILURE )
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
#endif
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