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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 <iostream>
#include "itkSimplexMesh.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;
SimplexMeshType::Pointer simplexMesh = SimplexMeshType::New();
typedef SimplexMeshType::NeighborListType NeighborsListType;
NeighborsListType* neighbors = ITK_NULLPTR;
/**
* 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::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 );
/**
* Exercise 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 );
/**
* Exercise 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 = ITK_NULLPTR;
}
std::cout << ", Elapsed time (for getting neighbors): " << timeProbe.GetMean() << std::endl;
}
std::cout << "[TEST DONE]" << std::endl;
return EXIT_SUCCESS;
}
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