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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkSimplexMeshTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
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 <math.h>
#include <iostream>
#include <time.h>
#include "itkMesh.h"
#include "itkSimplexMesh.h"
#include "itkSimplexMeshGeometry.h"
#include "itkDefaultDynamicMeshTraits.h"
#include "itkTimeProbe.h"
int itkSimplexMeshTest(int , char *[] )
{
// Declare the type of the input and output mesh
typedef itk::DefaultDynamicMeshTraits<double, 3, 3, double, double, double> MeshTraits;
typedef itk::SimplexMesh<double,3,MeshTraits> SimplexMeshType;
typedef itk::SimplexMeshGeometry SimplexMeshGeometryType;
typedef SimplexMeshType::CellType CellInterfaceType;
SimplexMeshType::Pointer simplexMesh = SimplexMeshType::New();
typedef SimplexMeshType::NeighborListType NeighborsListType;
NeighborsListType* neighbors = NULL;
/**
* Define the 3d geometric positions for 8 points in a cube.
*/
SimplexMeshType::CoordRepType testPointCoords[8][3]
= { {0,0,0}, {9,0,0}, {9,0,9}, {0,0,9},
{0,9,0}, {9,9,0}, {9,9,9}, {0,9,9} };
/**
* Typedef the generic cell type for the mesh. It is an abstract class,
* so we can only use information from it, like get its pointer type.
*/
typedef SimplexMeshType::CellType CellType;
typedef CellType::CellAutoPointer CellAutoPointer;
typedef SimplexMeshType::PointType PointType;
/**
* Add our test points to the mesh.
* simplexMesh->SetPoint(pointId, point)
* Note that the constructor for Point is public, and takes an array
* of coordinates for the point.
*/
for(int i=0; i < 8 ; ++i)
{
simplexMesh->SetPoint(i, PointType(testPointCoords[i]));
simplexMesh->SetGeometryData(i, new SimplexMeshGeometryType );
}
/**
* Specify the method used for allocating cells
*/
simplexMesh->SetCellsAllocationMethod( SimplexMeshType::CellsAllocatedDynamicallyCellByCell );
/**
* Excercise the AddEdge method
*/
simplexMesh->AddEdge( 0, 1 );
simplexMesh->AddEdge( 0, 3 );
simplexMesh->AddEdge( 0, 4 );
simplexMesh->AddEdge( 1, 2 );
simplexMesh->AddEdge( 1, 5 );
simplexMesh->AddEdge( 2, 3 );
simplexMesh->AddEdge( 2, 6 );
simplexMesh->AddEdge( 3, 7 );
simplexMesh->AddEdge( 4, 5 );
simplexMesh->AddEdge( 4, 7 );
simplexMesh->AddEdge( 5, 6 );
simplexMesh->AddEdge( 6, 7 );
/**
* Excercise the AddNeighbor method
*/
simplexMesh->AddNeighbor( 0, 1 );
simplexMesh->AddNeighbor( 0, 3 );
simplexMesh->AddNeighbor( 0, 4 );
simplexMesh->AddNeighbor( 1, 2 );
simplexMesh->AddNeighbor( 1, 5 );
simplexMesh->AddNeighbor( 2, 3 );
simplexMesh->AddNeighbor( 2, 6 );
simplexMesh->AddNeighbor( 3, 7 );
simplexMesh->AddNeighbor( 4, 5 );
simplexMesh->AddNeighbor( 4, 7 );
simplexMesh->AddNeighbor( 5, 6 );
simplexMesh->AddNeighbor( 6, 7 );
// Now add the symmetric relationships
simplexMesh->AddNeighbor( 1, 0 );
simplexMesh->AddNeighbor( 3, 0 );
simplexMesh->AddNeighbor( 4, 0 );
simplexMesh->AddNeighbor( 2, 1 );
simplexMesh->AddNeighbor( 5, 1 );
simplexMesh->AddNeighbor( 3, 2 );
simplexMesh->AddNeighbor( 6, 2 );
simplexMesh->AddNeighbor( 7, 3 );
simplexMesh->AddNeighbor( 5, 4 );
simplexMesh->AddNeighbor( 7, 4 );
simplexMesh->AddNeighbor( 6, 5 );
simplexMesh->AddNeighbor( 7, 6 );
itk::TimeProbe timeProbe;
for (unsigned int i=0; i < 2; i++)
{
timeProbe.Start();
for (unsigned int pointIndex = 0; pointIndex < simplexMesh->GetPoints()->Size(); pointIndex++)
{
neighbors = simplexMesh->GetNeighbors( pointIndex, i, neighbors );
}
timeProbe.Stop();
if (neighbors)
{
std::cout << "Rigidity: " << i << ", neighbor list size: " << neighbors->size() << std::endl;
delete neighbors;
neighbors = NULL;
}
std::cout << ", Elapsed time (for getting neighbors): " << timeProbe.GetMeanTime() << std::endl;
}
std::cout << "[TEST DONE]" << std::endl;
return EXIT_SUCCESS;
}
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