ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageIntensity/ScalePixelSumToConstant/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"
using ImageType = itk::Image<float, 2>;
static void
CreateImage(ImageType::Pointer image);
int
main(int, char *[])
{
// Create an image
ImageType::Pointer image = ImageType::New();
CreateImage(image);
using NormalizeToConstantImageFilterType = itk::NormalizeToConstantImageFilter<ImageType, ImageType>;
NormalizeToConstantImageFilterType::Pointer normalizeToConstantImageFilter =
NormalizeToConstantImageFilterType::New();
normalizeToConstantImageFilter->SetInput(image);
normalizeToConstantImageFilter->SetConstant(1);
normalizeToConstantImageFilter->Update();
normalizeToConstantImageFilter->GetOutput(),
normalizeToConstantImageFilter->GetOutput()->GetLargestPossibleRegion());
// The output pixels should all be 1/9 (=0.11111)
while (!imageIterator.IsAtEnd())
{
std::cout << imageIterator.Get() << std::endl;
++imageIterator;
}
return EXIT_SUCCESS;
}
static void
CreateImage(ImageType::Pointer image)
{
// Create an image full of 1's
start.Fill(0);
size.Fill(3);
ImageType::RegionType region(start, size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(1);
}
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itkImageRegionConstIterator.h
itk::Index::Fill
void Fill(IndexValueType value)
Definition: itkIndex.h:271
itk::Size::Fill
void Fill(SizeValueType value)
Definition: itkSize.h:211
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itkNormalizeToConstantImageFilter.h
itk::ImageConstIterator::Get
PixelType Get() const
Definition: itkImageConstIterator.h:336
itk::ImageRegionConstIterator< ImageType >
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
itk::NormalizeToConstantImageFilter
Scales image pixel intensities to make the sum of all pixels equal a user-defined constant.
Definition: itkNormalizeToConstantImageFilter.h:56