ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageIntensity/ApplyExpNegativeImageFilter/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.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc != 4)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName> <K: ExpNegative parameter>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
const double k = std::stod(argv[3]);
constexpr unsigned int Dimension = 2;
using PixelType = float;
const auto input = itk::ReadImage<ImageType>(inputFileName);
FilterType::Pointer filter = FilterType::New();
filter->SetInput(input);
filter->SetFactor(k);
try
{
itk::WriteImage(filter->GetOutput(), outputFileName);
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itk::ExpNegativeImageFilter
Computes the function exp(-K.x) for each input pixel.
Definition: itkExpNegativeImageFilter.h:89
itkImageFileReader.h
itkExpNegativeImageFilter.h
itkImageFileWriter.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44
itk::WriteImage
ITK_TEMPLATE_EXPORT void WriteImage(TImagePointer &&image, const std::string &filename, bool compress=false)
Definition: itkImageFileWriter.h:254