SphinxExamples/src/Core/Common/BoundingBoxOfAPointSet/Code.cxx

/*=========================================================================
 *
 *  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 "itkPoint.h"
#include "itkPointSet.h"
#include "itkBoundingBox.h"
 
int
main()
{
  using CoordType = float;
  constexpr unsigned int Dimension = 3;
 
  using PointSetType = itk::PointSet<CoordType, Dimension>;
 
  using PointIdentifier = PointSetType::PointIdentifier;
  using PointType = PointSetType::PointType;
  using PointsContainerPointer = PointSetType::PointsContainerPointer;
 
  auto                   pointSet = PointSetType::New();
  PointsContainerPointer points = pointSet->GetPoints();
 
  // Create points
  PointType p0, p1, p2;
 
  p0[0] = 0.0;
  p0[1] = 0.0;
  p0[2] = 0.0;
  p1[0] = 0.1;
  p1[1] = 0.0;
  p1[2] = 0.0;
  p2[0] = 0.0;
  p2[1] = 0.1;
  p2[2] = 0.0;
 
  points->InsertElement(0, p0);
  points->InsertElement(1, p1);
  points->InsertElement(2, p2);
 
  using BoundingBoxType = itk::BoundingBox<PointIdentifier, Dimension, CoordType>;
 
  auto boundingBox = BoundingBoxType::New();
  boundingBox->SetPoints(points);
  boundingBox->ComputeBoundingBox();
 
  std::cout << "bounds: " << boundingBox->GetBounds() << std::endl;
  std::cout << "center: " << boundingBox->GetCenter() << std::endl;
  std::cout << "diagonal length squared: " << boundingBox->GetDiagonalLength2() << std::endl;
 
  return EXIT_SUCCESS;
}