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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkQuadEdgeMeshDeletePointAndReorderIDsTest.cxx,v $
Language: C++
Date: $Date: 2008-06-25 20:23:50 $
Version: $Revision: 1.1 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkQuadEdgeMesh.h"
#include "itkQuadEdgeMeshPolygonCell.h"
#include "itkVTKPolyDataWriter.h"
int itkQuadEdgeMeshDeletePointAndReorderIDsTest( int , char* [] )
{
typedef double PixelType;
const unsigned int Dimension = 3;
typedef itk::QuadEdgeMesh< PixelType, Dimension > MeshType;
typedef MeshType::CellTraits CellTraits;
typedef CellTraits::QuadEdgeType QEType;
typedef MeshType::CellType CellType;
typedef itk::QuadEdgeMeshPolygonCell< CellType > QEPolygonCellType;
typedef itk::VTKPolyDataWriter< MeshType > WriterType;
MeshType::Pointer mesh = MeshType::New();
MeshType::PointType pts[ 5 ];
WriterType::Pointer writer = WriterType::New( );
pts[ 0 ][ 0 ] = -1.0; pts[ 0 ][ 1 ] = -1.0; pts[ 0 ][ 2 ] = 0.0;
pts[ 1 ][ 0 ] = 1.0; pts[ 1 ][ 1 ] = -1.0; pts[ 1 ][ 2 ] = 0.0;
pts[ 2 ][ 0 ] = 1.0; pts[ 2 ][ 1 ] = 1.0; pts[ 2 ][ 2 ] = 0.0;
pts[ 3 ][ 0 ] = -1.0; pts[ 3 ][ 1 ] = 1.0; pts[ 3 ][ 2 ] = 0.0;
pts[ 4 ][ 0 ] = 0.0; pts[ 4 ][ 1 ] = 0.0; pts[ 4 ][ 2 ] = 1.0;
mesh->SetPoint( 0, pts[ 0 ] );
mesh->SetPoint( 1, pts[ 1 ] );
mesh->SetPoint( 2, pts[ 2 ] );
mesh->SetPoint( 3, pts[ 3 ] );
mesh->SetPoint( 4, pts[ 4 ] );
// create a tetahedra and one isolated point: id = 0
int specialCells[12] =
{ 4, 1, 2,
4, 2, 3,
3, 1, 4,
1, 3, 2 };
CellType::CellAutoPointer cellpointer;
QEPolygonCellType *poly;
for(int i=0; i<4; i++)
{
poly = new QEPolygonCellType( 3 );
cellpointer.TakeOwnership( poly );
cellpointer->SetPointId( 0, specialCells[3*i] );
cellpointer->SetPointId( 1, specialCells[3*i+1] );
cellpointer->SetPointId( 2, specialCells[3*i+2] );
mesh->SetCell( i, cellpointer );
}
writer->SetInput( mesh );
writer->SetFileName( "BeforeDeletePoint.vtk" );
writer->Update( );
mesh->DeletePoint( 0 );
writer->SetFileName( "AfterDeletePoint.vtk" );
writer->Update( );
mesh->SqueezePointsIds( );
writer->SetFileName( "AfterSqueeze.vtk" );
writer->Update( );
return EXIT_SUCCESS;
}
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