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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 "itkPointSet.h"
#include "vnl/vnl_sample.h"
#include "itkTestingMacros.h"
#include <iostream>
/**
* Define a PointSet type that stores a PixelType of "int". Use the defaults
* for the other template parameters.
*/
using PointSet = itk::PointSet<int>;
using PointType = PointSet::PointType;
using PointsVectorContainer = PointSet::PointsVectorContainer;
using PointsVectorContainerPointer = typename PointsVectorContainer::Pointer;
/**
* The point set that is created consists of a 100 random points.
*/
int
itkPointSetTest(int, char *[])
{
int pointDimension = 3;
int numOfPoints = 100;
/**
* Define the 3d geometric positions for 8 points in a cube.
*/
PointSet::CoordRepType testPointCoords[3];
/**
* Create the point set through its object factory.
*/
PointSet::Pointer pset(PointSet::New());
ITK_EXERCISE_BASIC_OBJECT_METHODS(pset, PointSet, DataObject);
// Test point container existence exception
auto pId = static_cast<PointSet::PointIdentifier>(numOfPoints + 1);
ITK_TRY_EXPECT_EXCEPTION(pset->GetPoint(pId));
/**
* Add our test points to the mesh.
* pset->SetPoint(pointId, point)
* Note that the constructor for Point is public, and takes an array
* of coordinates for the point.
*/
try
{
for (int i = 0; i < numOfPoints; ++i)
{
testPointCoords[0] = (PointSet::CoordRepType)vnl_sample_uniform(-1.0, 1.0);
testPointCoords[1] = (PointSet::CoordRepType)vnl_sample_uniform(-1.0, 1.0);
testPointCoords[2] = (PointSet::CoordRepType)vnl_sample_uniform(-1.0, 1.0);
pset->SetPoint(i, PointType(testPointCoords));
}
}
catch (...)
{
std::cerr << "Error setting points." << std::endl;
return EXIT_FAILURE;
}
// Test non-existing point id exception
ITK_TRY_EXPECT_EXCEPTION(pset->GetPoint(pId));
PointSet::RegionType region = 0;
pset->SetRequestedRegion(region);
pset->SetBufferedRegion(region);
ITK_TEST_SET_GET_VALUE(region, pset->GetBufferedRegion());
// Clear the point set
pset->Initialize();
// Get the points after clearing points.
auto pointsArrayAfter = pset->GetPoints();
if (pointsArrayAfter->Size() != 0)
{
std::cerr << "Mismatch in count after clearing pointset." << std::endl;
return EXIT_FAILURE;
}
// Insert the points using SetPointArray.
PointsVectorContainerPointer pointsArray = PointsVectorContainer::New();
// Test for in-compatible input array dimension
pointsArray->InsertElement(0, 1.0);
ITK_TRY_EXPECT_EXCEPTION(pset->SetPoints(pointsArray));
pointsArray->Reserve(numOfPoints * pointDimension);
int index = 0;
for (int i = 0; i < numOfPoints; ++i)
{
pointsArray->SetElement(index++, 1.0);
pointsArray->SetElement(index++, 2.0);
pointsArray->SetElement(index++, 3.0);
}
pset->SetPoints(pointsArray);
// Check the count of points after insertion using SetPoints.
pointsArrayAfter = pset->GetPoints();
if (static_cast<int>(pointsArrayAfter->Size()) != numOfPoints)
{
std::cerr << "Mismatch in count after inserting points." << std::endl;
return EXIT_FAILURE;
}
// Insert a single point that increases the total count of points.
pset->SetPoint(numOfPoints + 4, PointType(testPointCoords));
// Check the count of points after inserting individual point.
pointsArrayAfter = pset->GetPoints();
if (static_cast<int>(pointsArrayAfter->Size()) != (numOfPoints + 5))
{
std::cerr << "Mismatch in count after inserting individual point" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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