ITK  4.13.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Filtering/ImageGrid/ResampleAVectorImage/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 "itkImage.h"
#include "itkRGBPixel.h"
int main( int argc, char* argv[] )
{
if( argc != 3 )
{
std::cerr << "Usage: "<< std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
const unsigned int Dimension = 2;
typedef unsigned char PixelComponentType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( inputFileName );
FilterType::Pointer filter = FilterType::New();
InterpolatorType::Pointer interpolator = InterpolatorType::New();
filter->SetInterpolator( interpolator );
TransformType::Pointer transform = TransformType::New();
filter->SetTransform( transform );
PixelType defaultValue;
defaultValue.Fill(50);
filter->SetDefaultPixelValue( defaultValue );
ImageType::SpacingType spacing;
spacing[0] = .5; // pixel spacing in millimeters along X
spacing[1] = .5; // pixel spacing in millimeters along Y
filter->SetOutputSpacing( spacing );
origin[0] = 30.0; // X space coordinate of origin
origin[1] = 40.0; // Y space coordinate of origin
filter->SetOutputOrigin( origin );
direction.SetIdentity();
filter->SetOutputDirection( direction );
size[0] = 300; // number of pixels along X
size[1] = 300; // number of pixels along Y
filter->SetSize( size );
filter->SetInput( reader->GetOutput() );
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( outputFileName );
writer->SetInput( filter->GetOutput() );
try
{
writer->Update();
}
catch( itk::ExceptionObject & error )
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}