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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 "itkPhysicalPointImageSource.h"
#include "itkImageFileWriter.h"
#include "itkVectorImage.h"
#include "itkVectorIndexSelectionCastImageFilter.h"
#include "itkTestingMacros.h"
namespace {
template< typename TImageType >
int itkPhysicalPointImageSourceTest( const std::string &fname,
typename TImageType::SizeType &size,
typename TImageType::SpacingType &spacing,
typename TImageType::PointType &origin,
typename TImageType::DirectionType &direction )
{
typedef TImageType ImageType;
typedef itk::PhysicalPointImageSource< ImageType > PhysicalPointImageSourceType;
typename PhysicalPointImageSourceType::Pointer physicalPointImageSource =
PhysicalPointImageSourceType::New();
TRY_EXPECT_NO_EXCEPTION( physicalPointImageSource->UpdateLargestPossibleRegion() );
physicalPointImageSource->SetSize(size);
physicalPointImageSource->SetSpacing(spacing);
physicalPointImageSource->SetOrigin(origin);
physicalPointImageSource->SetDirection( direction );
TRY_EXPECT_NO_EXCEPTION( physicalPointImageSource->UpdateLargestPossibleRegion() );
typedef itk::Image< typename itk::NumericTraits< typename ImageType::PixelType >::ValueType, ImageType::ImageDimension >
ValueImageType;
typedef itk::VectorIndexSelectionCastImageFilter< ImageType, ValueImageType > ValueImageCastFilter;
typename ValueImageCastFilter::Pointer vif = ValueImageCastFilter::New();
vif->SetInput( physicalPointImageSource->GetOutput() );
vif->SetIndex( 0 );
typedef itk::ImageFileWriter< ValueImageType > WriterType;
typename WriterType::Pointer writer = WriterType::New();
writer->SetFileName( fname );
writer->SetInput( vif->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
return EXIT_SUCCESS;
}
}
int itkPhysicalPointImageSourceTest( int argc, char *argv[] )
{
if ( argc < 3 )
{
std::cerr << "Usage: " << argv[0] << " outputImage whichTest [ theta ]" << std::endl;
return EXIT_FAILURE;
}
const unsigned int ImageDimension = 2;
typedef unsigned char PixelType;
typedef itk::Image< PixelType, ImageDimension > ImageType;
itk::Size< ImageDimension > size;
size.Fill( 64 );
ImageType::SpacingType spacing( 1.0 );
ImageType::PointType origin( 0.0 );
ImageType::DirectionType direction;
direction.SetIdentity();
// Exercise basic object methods
// Done outside the helper function in the test because GCC is limited
// when calling overloaded base class functions.
typedef itk::PhysicalPointImageSource< itk::Image< itk::Point< double, ImageDimension >, ImageDimension > >
PhysicalPointImageSourceType;
// Instantiate the filter
PhysicalPointImageSourceType::Pointer physicalPointImageSource =
PhysicalPointImageSourceType::New();
EXERCISE_BASIC_OBJECT_METHODS( physicalPointImageSource,
PhysicalPointImageSource, GenerateImageSource );
double theta = 0;
if( argc >= 4 )
{
theta = atof( argv[3] );
}
int testStatus = EXIT_SUCCESS;
if( atoi( argv[2] ) == 0 )
{
testStatus =
itkPhysicalPointImageSourceTest< itk::Image< itk::Point< double, ImageDimension >, ImageDimension > >(
std::string( argv[1] ), size, spacing, origin, direction );
}
else if( atoi( argv[2] ) == 1 )
{
testStatus = itkPhysicalPointImageSourceTest< itk::VectorImage< double, ImageDimension > >(
std::string( argv[1] ), size, spacing, origin, direction );
}
else if( atoi( argv[2] ) == 2 )
{
spacing.Fill( 1.123 );
origin.Fill( -0.987 );
testStatus =
itkPhysicalPointImageSourceTest< itk::Image< itk::Point< float, ImageDimension>, ImageDimension > >(
std::string( argv[1] ), size, spacing, origin, direction );
}
else
{
itk::SpacePrecisionType M[] = { std::cos( theta ), -std::sin( theta ),
std::sin( theta ), std::cos( theta ) };
direction = vnl_matrix< itk::SpacePrecisionType >( M, 2, 2 );
testStatus = itkPhysicalPointImageSourceTest< itk::VectorImage< float, ImageDimension > >(
std::string( argv[1] ), size, spacing, origin, direction );
}
std::cout << "Test finished" << std::endl;
return testStatus;
}
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