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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 "itkGridImageSource.h"
#include "itkImageFileWriter.h"
#include "itkBSplineKernelFunction.h"
#include "itkSimpleFilterWatcher.h"
#include "itkTestingMacros.h"
int itkGridImageSourceTest( int argc, char *argv[] )
{
if ( argc != 12 )
{
std::cout << "Usage: " << argv[0]
<< " outputImage"
<< " imageSize"
<< " sigma"
<< " variableSigma"
<< " gridSpacing"
<< " variableGridSpacing"
<< " gridOffset"
<< " gridAllDimensions"
<< " toggleLastGridDimension"
<< " useBSplineKernel"
<< " bSplineOrder" << std::endl;
return EXIT_FAILURE;
}
const unsigned int ImageDimension = 3;
typedef float PixelType;
typedef itk::Image< PixelType, ImageDimension > ImageType;
// Instantiate the filter
typedef itk::GridImageSource< ImageType > GridSourceType;
GridSourceType::Pointer gridImage = GridSourceType::New();
EXERCISE_BASIC_OBJECT_METHODS( gridImage, GridImageSource, GenerateImageSource );
// Specify image parameters
ImageType::SizeValueType size =
static_cast< ImageType::SizeValueType >( atof( argv[2] ) );
ImageType::SizeType imageSize;
imageSize.Fill( size );
ImageType::PointType origin;
origin.Fill( 0.0 );
ImageType::SpacingType imageSpacing;
imageSpacing.Fill( 1.0 );
ImageType::DirectionType direction;
direction.SetIdentity();
gridImage->SetSize( imageSize );
gridImage->SetSpacing( imageSpacing );
gridImage->SetOrigin( origin );
gridImage->SetDirection( direction );
// Specify grid parameters
double scale = 255.0;
gridImage->SetScale( scale );
TEST_SET_GET_VALUE( scale, gridImage->GetScale() );
GridSourceType::ArrayType::ValueType sigmaValue =
static_cast< GridSourceType::ArrayType::ValueType >( atof( argv[3] ) );
GridSourceType::ArrayType sigma;
sigma.Fill( sigmaValue );
bool variableSigma = static_cast< bool >( atoi( argv[4] ) );
if( variableSigma )
{
if( sigma.Size() > 2 )
{
sigma[1] = sigma[0] + 4.0;
sigma[2] = sigma[0] + 5.0;
}
}
gridImage->SetSigma( sigma );
TEST_SET_GET_VALUE( sigma, gridImage->GetSigma() );
GridSourceType::ArrayType::ValueType spacing =
static_cast< GridSourceType::ArrayType::ValueType >( atof( argv[5] ) );
GridSourceType::ArrayType gridSpacing;
gridSpacing.Fill( spacing );
bool variableGridSpacing = static_cast< bool >( atoi( argv[6] ) );
if( variableGridSpacing )
{
for( unsigned int i = 0; i < gridSpacing.Size(); ++i )
{
gridSpacing[i] = gridSpacing[0] / 2.0;
}
}
gridImage->SetGridSpacing( gridSpacing );
TEST_SET_GET_VALUE( gridSpacing, gridImage->GetGridSpacing() );
GridSourceType::ArrayType::ValueType offset =
static_cast< GridSourceType::ArrayType::ValueType >( atof( argv[7] ) );
GridSourceType::ArrayType gridOffset;
gridOffset.Fill( offset );
gridImage->SetGridOffset( gridOffset );
TEST_SET_GET_VALUE( gridOffset, gridImage->GetGridOffset() );
bool gridAllDimensions = static_cast< bool >( atoi( argv[8] ) );
GridSourceType::BoolArrayType whichDimension;
whichDimension.Fill( gridAllDimensions );
bool toggleLastGridDimension = atof( argv[9] );
if( toggleLastGridDimension )
{
whichDimension[ImageDimension - 1] = !gridAllDimensions;
}
gridImage->SetWhichDimensions( whichDimension );
TEST_SET_GET_VALUE( whichDimension, gridImage->GetWhichDimensions() );
bool useBSplineKernel = static_cast< bool >( atoi( argv[10] ) );
if( useBSplineKernel )
{
unsigned int bSplineOrder = atoi( argv[11] );
// Specify B-Spline function
if( bSplineOrder == 3 )
{
typedef itk::BSplineKernelFunction< 3 > KernelType;
KernelType::Pointer kernel = KernelType::New();
gridImage->SetKernelFunction( kernel );
}
else
{
typedef itk::BSplineKernelFunction< 0 > KernelType;
KernelType::Pointer kernel = KernelType::New();
gridImage->SetKernelFunction( kernel );
}
}
itk::SimpleFilterWatcher watcher( gridImage, "GridImageSource" );
TRY_EXPECT_NO_EXCEPTION( gridImage->Update() );
typedef itk::ImageFileWriter<ImageType> WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( argv[1] );
writer->SetInput( gridImage->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
std::cout << "Test finished" << std::endl;
return EXIT_SUCCESS;
}
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