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/*
* Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 "otbPointSetExtractROI.h"
#include "itkPointSet.h"
#include "otbRandomPointSetSource.h"
int otbPointSetExtractROITest(int, char* [])
{
typedef float PixelType;
typedef itk::PointSet<PixelType, 2> PointSetType;
typedef PointSetType::PointsContainer PointsContainerType;
typedef PointSetType::PointType PointType;
typedef otb::RandomPointSetSource<PointSetType> PointSetSource;
PointSetSource::Pointer pointSetSource = PointSetSource::New();
pointSetSource->SetNumberOfPoints(1000);
PointSetType::PointType maxPoint;
maxPoint[0] = 1000;
maxPoint[1] = 1000;
pointSetSource->SetMaxPoint(maxPoint);
pointSetSource->SetSeed(152002);
pointSetSource->Update();
std::cout << "Input PointSet has " << pointSetSource->GetOutput()->GetNumberOfPoints();
std::cout << " points " << std::endl;
typedef otb::PointSetExtractROI<PointSetType, PointSetType> FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput(pointSetSource->GetOutput());
filter->SetStartX(450);
filter->SetStartY(450);
filter->SetSizeX(100);
filter->SetSizeY(100);
filter->Update();
std::cout << "Keeping points from " << filter->GetStartX() << ", " << filter->GetStartY() << std::endl;
std::cout << "with a region size of " << filter->GetSizeX() << ", " << filter->GetSizeY() << std::endl;
// Output the result
// Get the Smart Pointer to the Filter Output
PointSetType::Pointer outputPointSet = filter->GetOutput();
std::cout << "Output PointSet has " << outputPointSet->GetNumberOfPoints();
std::cout << " points " << std::endl;
// Get the the point container
PointSetType::PointsContainerPointer extractedPoints = outputPointSet->GetPoints();
PointsContainerType::ConstIterator it = extractedPoints->Begin();
while (it != extractedPoints->End())
{
PointType p = it.Value();
std::cout.width(5);
std::cout << p[0] << ", ";
std::cout.width(5);
std::cout << p[1] << std::endl;
++it;
}
// All objects should be automatically destroyed at this point
if (outputPointSet->GetNumberOfPoints() != 6)
{
std::cout << "Wrong number of point in the output" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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