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/*=========================================================================
*
* 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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkMatrix.h"
#include "itkResampleImageFilter.h"
int main( int argc, char * argv[] )
{
if( argc < 7 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImageFile outputImageFile";
std::cerr << " direction cosines" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char InputPixelType;
typedef unsigned char OutputPixelType;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetFileName( argv[1] );
writer->SetFileName( argv[2] );
typedef itk::ResampleImageFilter<InputImageType,OutputImageType> FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetDefaultPixelValue( 0 );
{
//pixel spacing in millimeters
const double spacing[ Dimension ] = { 1.0, 1.0 };
filter->SetOutputSpacing( spacing );
}
{
// space coordinate of origin
const double origin[ Dimension ] = { 0.0, 0.0 };
filter->SetOutputOrigin( origin );
}
OutputImageType::DirectionType direction;
direction(0,0) = atoi(argv[3]);
direction(1,0) = atoi(argv[4]);
direction(0,1) = atoi(argv[5]);
direction(1,1) = atoi(argv[6]);
filter->SetOutputDirection(direction);
InputImageType::SizeType size;
size[0] = 300; // number of pixels along X
size[1] = 300; // number of pixels along Y
filter->SetSize( size );
filter->SetInput( reader->GetOutput() );
writer->SetInput( filter->GetOutput() );
writer->Update();
return EXIT_SUCCESS;
}
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