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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 "itkPointsLocator.h"
#include "itkMapContainer.h"
template< typename TPointsContainer >
int testPointsLocatorTest()
{
/**
* Create the point set through its object factory.
*/
const unsigned int PointDimension = 3;
typedef itk::Point<float, PointDimension> PointType;
typedef TPointsContainer PointsContainerType;
typename PointsContainerType::Pointer points = PointsContainerType::New();
points->Initialize();
typedef itk::PointsLocator<PointsContainerType> PointsLocatorType;
typename PointsLocatorType::Pointer pointsLocator = PointsLocatorType::New();
/**
* Create a simple point set structure that will create a non-degenerate
* bounding box but will allow simple querying tests.
*/
for( unsigned int i=1; i <= 100; ++i )
{
PointType testPoint;
testPoint[0] = static_cast<float>( i );
testPoint[1] = static_cast<float>( i );
testPoint[2] = static_cast<float>( i );
points->InsertElement( i - 1, testPoint );
}
pointsLocator->SetPoints( points );
pointsLocator->Initialize();
/**
* Perform some geometric operations to see if they are working.
*/
std::cout << "Test: FindClosestPoint()" << std::endl;
PointType coords;
coords[0] = 50;
coords[1] = 50;
coords[2] = 50;
typename PointsLocatorType::PointIdentifier pointId =
pointsLocator->FindClosestPoint( coords );
if( pointId != 49 )
{
std::cerr << "Error with FindClosestPoint()" << std::endl;
return EXIT_FAILURE;
}
typename PointsLocatorType::NeighborsIdentifierType neighborhood;
std::cout << "Test: FindClosestNPoints()" << std::endl;
pointsLocator->FindClosestNPoints( coords, 10u, neighborhood );
if( neighborhood.size() != 10 )
{
std::cerr << "Error with FindClosestNPoints()" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test: Search() 1" << std::endl;
pointsLocator->Search( coords, 10u, neighborhood );
if( neighborhood.size() != 10 )
{
std::cerr << "Error with Search() 1" << std::endl;
return EXIT_FAILURE;
}
double radius = std::sqrt( 3 * itk::Math::sqr( 5.1 ) );
std::cout << "Test: FindPointsWithinRadius()" << std::endl;
pointsLocator->FindPointsWithinRadius( coords, radius, neighborhood );
if( neighborhood.size() != 11 )
{
std::cerr << "Error with FindPointsWithinRadius()" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test: Search() 2" << std::endl;
pointsLocator->Search( coords, radius, neighborhood );
if( neighborhood.size() != 11 )
{
std::cerr << "Error with Search() 2" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
int itkPointsLocatorTest( int, char* [] )
{
const unsigned int PointDimension = 3;
typedef itk::Point<float, PointDimension> PointType;
typedef itk::VectorContainer<unsigned int, PointType> VectorContainerType;
typedef itk::MapContainer< unsigned int, PointType > MapContainerType;
std::cout << "VectorContainerType" << std::endl;
if( testPointsLocatorTest< VectorContainerType >() == EXIT_FAILURE )
{
std::cerr << "### FAILURE" << std::endl;
return EXIT_FAILURE;
}
std::cout << "--- SUCCESS" << std::endl;
std::cout << std::endl;
std::cout << "MapContainerType" << std::endl;
if( testPointsLocatorTest< MapContainerType >() == EXIT_FAILURE )
{
std::cerr << "### FAILURE" << std::endl;
return EXIT_FAILURE;
}
std::cout << "--- SUCCESS" << std::endl;
return EXIT_SUCCESS;
}
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