ITK  5.0.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Bridge/VtkGlue/ConvertvtkImageDataToAnitkImage/Code.cxx
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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 "vtkSmartPointer.h"
#include "vtkPNGReader.h"
#include "vtkImageMagnitude.h"
int main( int argc, char* argv[] )
{
if( argc != 2 )
{
std::cerr << "Usage: "<< std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
constexpr unsigned int Dimension = 2;
using PixelType = unsigned char;
vtkSmartPointer< vtkPNGReader > reader =
vtkSmartPointer< vtkPNGReader >::New();
reader->SetFileName( inputFileName );
reader->SetDataScalarTypeToUnsignedChar();
vtkSmartPointer< vtkImageMagnitude > magnitude =
vtkSmartPointer< vtkImageMagnitude >::New();
magnitude->SetInputConnection( reader->GetOutputPort() );
magnitude->Update();
FilterType::Pointer filter = FilterType::New();
filter->SetInput( magnitude->GetOutput() );
try
{
filter->Update();
}
catch( itk::ExceptionObject & error )
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
ImageType::ConstPointer myitkImage = filter->GetOutput();
myitkImage->Print(std::cout);
return EXIT_SUCCESS;
}