ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/RandomSelectOfPixelsFromRegion/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
*
* 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 "itkImage.h"
int
main(int, char *[])
{
using ImageType = itk::Image<unsigned char, 2>;
ImageType::Pointer image = ImageType::New();
ImageType::SizeType regionSize;
regionSize[0] = 5;
regionSize[1] = 4;
ImageType::IndexType regionIndex;
regionIndex[0] = 0;
regionIndex[1] = 0;
region.SetSize(regionSize);
region.SetIndex(regionIndex);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(0);
itk::ImageRandomConstIteratorWithIndex<ImageType> imageIterator(image, image->GetLargestPossibleRegion());
imageIterator.SetNumberOfSamples(200);
imageIterator.GoToBegin();
while (!imageIterator.IsAtEnd())
{
std::cout << imageIterator.GetIndex() << std::endl;
++imageIterator;
}
return EXIT_SUCCESS;
}
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itkImageRandomConstIteratorWithIndex.h
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itk::ImageRandomConstIteratorWithIndex::SetNumberOfSamples
void SetNumberOfSamples(SizeValueType number)
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
itk::ImageRegion::SetSize
void SetSize(const SizeType &size)
Definition: itkImageRegion.h:174
itk::ImageRandomConstIteratorWithIndex
A multi-dimensional image iterator that visits a random set of pixels within an image region.
Definition: itkImageRandomConstIteratorWithIndex.h:116