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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 "itkFastMarchingQuadEdgeMeshFilterBase.h"
#include "itkQuadEdgeMeshExtendedTraits.h"
#include "itkFastMarchingThresholdStoppingCriterion.h"
#include "itkMeshFileWriter.h"
int itkFastMarchingQuadEdgeMeshFilterBaseTest4( int , char * [] )
{
typedef float PixelType;
typedef double CoordType;
const unsigned int Dimension = 3;
typedef itk::QuadEdgeMeshExtendedTraits <
PixelType, // type of data for vertices
Dimension, // geometrical dimension of space
2, // Mac topological dimension of a cell
CoordType, // type for point coordinate
CoordType, // type for interpolation weight
PixelType, // type of data for cell
bool, // type of data for primal edges
bool // type of data for dual edges
> Traits;
typedef itk::QuadEdgeMesh< PixelType, Dimension, Traits > MeshType;
typedef itk::FastMarchingQuadEdgeMeshFilterBase< MeshType, MeshType > FastMarchingType;
typedef FastMarchingType::InputMeshType MeshType;
typedef MeshType::PointsContainer PointsContainer;
typedef PointsContainer::Pointer PointsContainerPointer;
typedef MeshType::PointDataContainer PointDataContainer;
typedef PointDataContainer::Pointer PointDataContainerPointer;
// Let's create here a plane!
MeshType::Pointer plane = MeshType::New();
PointsContainerPointer points = PointsContainer::New();
PointDataContainerPointer pointdata = PointDataContainer::New();
points->Reserve( 100 );
pointdata->Reserve( 100 );
MeshType::PointType p;
p[2] = 0.;
int k = 0;
double alpha = (30.0 / 180.0) * itk::Math::pi;
double delta = 2.0 / std::tan(alpha);
for( int i = 0; i < 10; i++ )
{
for( int j = 0; j < 10; j++ )
{
p[0] = static_cast< CoordType >( 0.5 * j * delta + i * delta );
p[1] = static_cast< CoordType >( j );
points->SetElement( k, p );
pointdata->SetElement( k, 1. );
k++;
}
}
plane->SetPoints( points );
plane->SetPointData( pointdata );
k = 0;
for( int i = 0; i < 9; i++ )
{
for( int j = 0; j < 9; j++ )
{
plane->AddFaceTriangle( k, k+1, k+11 );
plane->AddFaceTriangle( k, k+11, k+10 );
k++;
}
k++;
}
typedef FastMarchingType::NodePairType NodePairType;
// typedef FastMarchingType::NodeContainerType NodeContainerType;
typedef FastMarchingType::NodePairContainerType NodePairContainerType;
NodePairContainerType::Pointer trial = NodePairContainerType::New();
NodePairType node_pair( 0, 0. );
trial->push_back( node_pair );
typedef itk::FastMarchingThresholdStoppingCriterion< MeshType, MeshType >
CriterionType;
CriterionType::Pointer criterion = CriterionType::New();
criterion->SetThreshold( std::sqrt(100.0 + 182.25 * delta * delta) + 100.);
FastMarchingType::Pointer fmm_filter = FastMarchingType::New();
fmm_filter->SetInput( plane );
fmm_filter->SetTrialPoints( trial );
fmm_filter->SetStoppingCriterion( criterion );
try
{
fmm_filter->Update();
}
catch( itk::ExceptionObject & excep )
{
std::cerr << "Exception caught !" << std::endl;
std::cerr << excep << std::endl;
return EXIT_FAILURE;
}
MeshType::Pointer output = fmm_filter->GetOutput();
PointDataContainerPointer output_data = output->GetPointData();
PointDataContainer::ConstIterator o_data_it = output_data->Begin();
PointDataContainer::ConstIterator o_data_end = output_data->End();
PointsContainer::ConstIterator p_it = points->Begin();
p.Fill( 0. );
bool error = false;
while( o_data_it != o_data_end )
{
PixelType expected_value = p.EuclideanDistanceTo( p_it->Value() );
if( ( o_data_it->Value() - expected_value ) > 5. * expected_value / 100. )
{
std::cout << "** k = " << k << std::endl;
std::cout << o_data_it->Value() << " != " << expected_value <<std::endl;
error = true;
}
++p_it;
++o_data_it;
}
typedef itk::MeshFileWriter< MeshType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( output );
writer->SetFileName( "itkFastMarchingQuadEdgeMeshFilterBaseTest4.vtk" );
writer->Update();
if( error )
{
return EXIT_FAILURE;
}
else
{
return EXIT_SUCCESS;
}
}
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