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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"
#include "itkVTKPolyDataWriter.h"
#include <iostream>
int itkVTKPolyDataWriterTest02( int argc, char * argv [] )
{
if( argc != 2 )
{
std::cerr << "Usage: itkVTKPolyDataWriter outputFileName" << std::endl;
return EXIT_FAILURE;
}
typedef itk::Mesh<float, 3> MeshType;
typedef itk::RegularSphereMeshSource< MeshType > SphereMeshSourceType;
SphereMeshSourceType::Pointer mySphereMeshSource = SphereMeshSourceType::New();
typedef SphereMeshSourceType::PointType PointType;
typedef SphereMeshSourceType::VectorType VectorType;
PointType center;
center.Fill( 7.4 );
const double radius = 1.5;
const double tolerance = 1e-5;
VectorType scale;
scale.Fill( radius );
mySphereMeshSource->SetCenter( center );
mySphereMeshSource->SetResolution( 1 );
mySphereMeshSource->SetScale( scale );
mySphereMeshSource->Modified();
try
{
mySphereMeshSource->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error during Update() " << std::endl;
std::cerr << excp << std::endl;
}
std::cout << "mySphereMeshSource: " << mySphereMeshSource;
MeshType::Pointer myMesh = mySphereMeshSource->GetOutput();
PointType pt;
pt.Fill( 0. );
bool testPassed = true;
std::cout << "Testing itk::RegularSphereMeshSource "<< std::endl;
for( unsigned int i=0; i< myMesh->GetNumberOfPoints(); i++)
{
myMesh->GetPoint(i, &pt);
std::cout << "Point[" << i << "]: " << pt << std::endl;
const double distanceToCenter = pt.EuclideanDistanceTo( center );
if( itk::Math::abs( distanceToCenter - radius ) > tolerance )
{
std::cerr << "Distance to center " << distanceToCenter;
std::cerr << " is too different from radius " << radius << std::endl;
testPassed = false;
}
}
typedef MeshType::CellsContainerPointer CellsContainerPointer;
typedef MeshType::CellType CellType;
CellsContainerPointer cells = myMesh->GetCells();
unsigned faceId = 0;
MeshType::CellsContainerIterator cellsItr = cells->Begin();
while( cellsItr != cells->End() )
{
CellType * cellPointer = cellsItr.Value();
if( cellPointer->GetType() != 1 )
{
const unsigned int numberOfPoints = cellPointer->GetNumberOfPoints();
std::cout <<"Face " << faceId << " has " << numberOfPoints <<" points" << std::endl;
if( numberOfPoints != 3 )
{
std::cerr << "Face with wrong number of points" << std::endl;
testPassed = false;
}
}
++cellsItr;
++faceId;
}
typedef itk::VTKPolyDataWriter<MeshType> WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( myMesh );
writer->SetFileName( argv[1] );
writer->Write();
if( !testPassed )
{
std::cout << "Test FAILED! "<< std::endl;
return EXIT_FAILURE;
}
std::cout << "Test PASSED! "<< std::endl;
return EXIT_SUCCESS;
}
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