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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 "itkFEMObject.h"
#include "itkFEMObjectSpatialObject.h"
#include "itkGroupSpatialObject.h"
#include "itkSpatialObject.h"
#include "itkFEMSpatialObjectReader.h"
#include "itkFEMSpatialObjectWriter.h"
#include <iostream>
// Example taken from 'Fundamentals of the Finite ELement Method' - Grandin
int itkFEMElement2DC0LinearQuadrilateralStressTestFEMObjectReader(int argc, char *argv[])
{
//Need to register default FEM object types,
//and setup SpatialReader to recognize FEM types
//which is all currently done as a HACK in
//the initializaiton of the itk::FEMFactoryBase::GetFactory()
itk::FEMFactoryBase::GetFactory()->RegisterDefaultTypes();
typedef itk::SpatialObject<2> SpatialObjectType;
typedef SpatialObjectType::Pointer SpatialObjectPointer;
SpatialObjectPointer Spatial = SpatialObjectType::New();
typedef itk::FEMSpatialObjectReader<2> FEMSpatialObjectReaderType;
typedef FEMSpatialObjectReaderType::Pointer FEMSpatialObjectReaderPointer;
FEMSpatialObjectReaderPointer SpatialReader = FEMSpatialObjectReaderType::New();
// SpatialReader->SetFileName("C:/Research/ITKGit/ITK/Testing/Data/Input/FEM/SpatialObjects.meta");
SpatialReader->SetFileName("C:/Research/ITKGit/ITK/Testing/Data/Input/FEM/Trial.meta");
SpatialReader->Update();
typedef itk::FEMSpatialObjectWriter<2> FEMSpatialObjectWriterType;
typedef FEMSpatialObjectWriterType::Pointer FEMSpatialObjectWriterPointer;
FEMSpatialObjectWriterPointer SpatialWriter = FEMSpatialObjectWriterType::New();
SpatialWriter->SetInput(SpatialReader->GetScene() );
SpatialWriter->SetFileName("C:/Research/ITKGit/ITK/Testing/Data/Input/FEM/TrialWrite.meta");
SpatialWriter->Update();
FEMSpatialObjectReaderType::ScenePointer myScene = SpatialReader->GetScene();
if( !myScene )
{
std::cout << "No Scene : [FAILED]" << std::endl;
return EXIT_FAILURE;
}
std::cout << " [PASSED]" << std::endl;
// Testing the fe mesh validity
typedef itk::FEMObjectSpatialObject<2> FEMObjectSpatialObjectType;
typedef FEMObjectSpatialObjectType::Pointer FEMObjectSpatialObjectPointer;
FEMObjectSpatialObjectType::ChildrenListType* children = SpatialReader->GetGroup()->GetChildren();
if( strcmp( (*(children->begin() ) )->GetTypeName(), "FEMObjectSpatialObject") )
{
std::cout << " [FAILED]" << std::endl;
return EXIT_FAILURE;
}
FEMObjectSpatialObjectType::Pointer femSO =
dynamic_cast<FEMObjectSpatialObjectType *>( (*(children->begin() ) ).GetPointer() );
if (!femSO)
{
std::cout << " dynamic_cast [FAILED]" << std::endl;
return EXIT_FAILURE;
}
delete children;
femSO->GetFEMObject()->Solve();
float soln[8];
for( int i = 0; i < 8; i++ )
{
soln[i] = femSO->GetFEMObject()->GetSolution(i);
std::cout << "Solution[" << i << "]:" << soln[i] << std::endl;
}
std::cout << "Test PASSED!" << std::endl;
return EXIT_SUCCESS;
}
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