ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageIntensity/PixelDivisionOfTwoImages/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<unsigned char, 2>;
void
CreateImage1(ImageType::Pointer image);
void
CreateImage2(ImageType::Pointer image);
int
main(int, char *[])
{
ImageType::Pointer image1 = ImageType::New();
CreateImage1(image1);
ImageType::Pointer image2 = ImageType::New();
CreateImage2(image2);
DivideImageFilterType::Pointer divideImageFilter = DivideImageFilterType::New();
divideImageFilter->SetInput1(image1);
divideImageFilter->SetInput2(image2);
divideImageFilter->Update();
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName("test.png");
writer->SetInput(divideImageFilter->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
void
CreateImage1(ImageType::Pointer image)
{
// Create an image with 2 connected components
start[0] = 0;
start[1] = 0;
unsigned int NumRows = 200;
unsigned int NumCols = 300;
size[0] = NumRows;
size[1] = NumCols;
region.SetSize(size);
region.SetIndex(start);
image->SetRegions(region);
image->Allocate();
// Make a square
for (unsigned int r = 20; r < 80; r++)
{
for (unsigned int c = 20; c < 80; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image->SetPixel(pixelIndex, 15);
}
}
}
void
CreateImage2(ImageType::Pointer image)
{
// Create an image with 2 connected components
start[0] = 0;
start[1] = 0;
unsigned int NumRows = 200;
unsigned int NumCols = 300;
size[0] = NumRows;
size[1] = NumCols;
region.SetSize(size);
region.SetIndex(start);
image->SetRegions(region);
image->Allocate();
// Make another square
for (unsigned int r = 40; r < 100; r++)
{
for (unsigned int c = 40; c < 100; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image->SetPixel(pixelIndex, 15);
}
}
}
itk::DivideImageFilter
Pixel-wise division of two images.
Definition: itkDivideImageFilter.h:48
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itkDivideImageFilter.h
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itkImageFileWriter.h
itk::Size::SetSize
void SetSize(const SizeValueType val[VDimension])
Definition: itkSize.h:179
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86