ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Core/Common/SetPixelValueInOneImage/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 argc, char * argv[])
{
if (argc != 2)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " <OutputFileName>" << std::endl;
return EXIT_FAILURE;
}
constexpr unsigned int Dimension = 2;
using PixelType = unsigned char;
start.Fill(0);
region.SetIndex(start);
size[0] = 200;
size[1] = 300;
region.SetSize(size);
ImageType::Pointer image = ImageType::New();
image->SetRegions(region);
image->Allocate();
for (ImageType::IndexValueType r = 0; r < 50; r++)
{
pixelIndex[0] = 4 * r;
pixelIndex[1] = 4 * r;
image->SetPixel(pixelIndex, 128);
pixelIndex[0] = 4 * r;
pixelIndex[1] = 200 - 4 * r;
image->SetPixel(pixelIndex, 255);
}
for (ImageType::IndexValueType r = 0; r < 25; r++)
{
pixelIndex[0] = 8 * r;
pixelIndex[1] = 200 + 4 * r;
image->SetPixel(pixelIndex, 128);
pixelIndex[0] = 8 * r;
pixelIndex[1] = 250;
image->SetPixel(pixelIndex, 180);
}
pixelIndex[0] = 95;
pixelIndex[1] = 150;
image->SetPixel(pixelIndex, 200);
pixelIndex[0] = 100;
pixelIndex[1] = 150;
image->SetPixel(pixelIndex, 200);
pixelIndex[0] = 105;
pixelIndex[1] = 150;
image->SetPixel(pixelIndex, 200);
pixelIndex[0] = 100;
pixelIndex[1] = 155;
image->SetPixel(pixelIndex, 200);
pixelIndex[0] = 100;
pixelIndex[1] = 145;
image->SetPixel(pixelIndex, 200);
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetInput(image);
writer->SetFileName(argv[1]);
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itk::Index::Fill
void Fill(IndexValueType value)
Definition: itkIndex.h:270
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::NumericTraits
Define additional traits for native types such as int or float.
Definition: itkNumericTraits.h:58
itk::Size::SetSize
void SetSize(const SizeValueType val[VDimension])
Definition: itkSize.h:179
itk::IndexValueType
signed long IndexValueType
Definition: itkIntTypes.h:90
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44