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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#define SPECIFIC_IMAGEIO_MODULE_TEST
int itkDicomImageIODirection2DTest( int argc, char * argv[] )
{
if( argc != 4 )
{
std::cerr << "Usage: " << argv[0]
<< " OutputImage3DFormat1 OutputImage3DFormat2 OutputImage2DFormat1 "
<< std::endl;
return EXIT_FAILURE;
}
typedef signed short PixelType;
typedef itk::Image<PixelType, 2 > Image2DType;
typedef itk::Image<PixelType, 3 > Image3DType;
typedef itk::ImageFileWriter< Image3DType > Writer3DType;
typedef itk::ImageFileReader< Image2DType > Reader2DType;
Image3DType::Pointer image3D = Image3DType::New();
Image3DType::RegionType region;
Image3DType::SizeType size;
size[0] = 100;
size[1] = 100;
size[2] = 1;
Image3DType::IndexType index;
index.Fill( 0 );
region.SetIndex( index );
region.SetSize( size );
image3D->SetRegions( region );
image3D->Allocate();
Image3DType::DirectionType direction;
direction(0,0) = 0.0;
direction(0,1) = -1.0;
direction(0,2) = 0.0;
direction(1,0) = 0.0;
direction(1,1) = 0.0;
direction(1,2) = -1.0;
direction(2,0) = 1.0;
direction(2,1) = 0.0;
direction(2,2) = 0.0;
typedef itk::ImageRegionIterator< Image3DType > IteratorType;
IteratorType itr( image3D, region );
itr.GoToBegin();
PixelType pixelValue = -1024;
while( !itr.IsAtEnd() )
{
itr.Set( pixelValue++ );
++itr;
}
image3D->SetDirection( direction );
Writer3DType::Pointer writer3D = Writer3DType::New();
writer3D->SetInput( image3D );
writer3D->SetFileName( argv[1] );
std::cout << "Writing " << argv[1] << std::endl;
writer3D->Update();
writer3D->SetFileName( argv[2] );
std::cout << "Writing " << argv[2] << std::endl;
writer3D->Update();
Reader2DType::Pointer reader2D = Reader2DType::New();
std::cout << "Reading " << argv[1] << std::endl;
reader2D->SetFileName( argv[1] );
try
{
reader2D->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
Image2DType::ConstPointer image2D = reader2D->GetOutput();
Image2DType::DirectionType directionCosines = image2D->GetDirection();
std::cout << directionCosines << std::endl;
typedef itk::ImageFileWriter< Image2DType > Writer2DType;
Writer2DType::Pointer writer2D = Writer2DType::New();
writer2D->SetFileName( argv[3] );
writer2D->SetInput( image2D );
try
{
writer2D->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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