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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.
*
*=========================================================================*/
// Disable warning for long symbol names in this file only
/*
* This is a test file for the itkImageMaskSpatialObject class.
* The suported pixel types does not include itkRGBPixel, itkRGBAPixel, etc...
* So far it only allows to manage images of simple types like unsigned short,
* unsigned int, or itk::Vector<...>.
*/
#include "itkImageRegionIterator.h"
#include "itkImageMaskSpatialObject.h"
int itkImageMaskSpatialObjectTest(int, char* [])
{
const unsigned int NDimensions = 3;
typedef itk::ImageMaskSpatialObject<NDimensions> ImageMaskSpatialObject;
typedef ImageMaskSpatialObject::PixelType PixelType;
typedef ImageMaskSpatialObject::ImageType ImageType;
typedef itk::ImageRegionIterator<ImageType> Iterator;
ImageType::Pointer image = ImageType::New();
ImageType::SizeType size = {{ 50, 50, 50 }};
ImageType::IndexType index = {{ 0, 0, 0 }};
ImageType::RegionType region;
region.SetSize(size);
region.SetIndex(index);
image->SetRegions( region );
image->Allocate(true); // initialize buffer to zero
ImageType::RegionType insideRegion;
ImageType::SizeType insideSize = {{ 30, 30, 30 }};
ImageType::IndexType insideIndex = {{ 10, 10, 10 }};
insideRegion.SetSize( insideSize );
insideRegion.SetIndex( insideIndex );
Iterator it( image, insideRegion );
it.GoToBegin();
while( !it.IsAtEnd() )
{
it.Set( itk::NumericTraits< PixelType >::max() );
++it;
}
ImageMaskSpatialObject::Pointer maskSO = ImageMaskSpatialObject::New();
maskSO->Print(std::cout);
maskSO->SetImage(image);
maskSO->ComputeObjectToWorldTransform();
Iterator itr( image, region );
itr.GoToBegin();
while( !itr.IsAtEnd() )
{
const ImageType::IndexType constIndex = itr.GetIndex();
const bool reference = insideRegion.IsInside( constIndex );
ImageType::PointType point;
image->TransformIndexToPhysicalPoint( constIndex, point );
const bool test = maskSO->IsInside( point );
if( test != reference )
{
std::cerr << "Error in the evaluation of IsInside() " << std::endl;
std::cerr << "Index failed = " << constIndex << std::endl;
return EXIT_FAILURE;
}
++itr;
}
maskSO->Print(std::cout);
return EXIT_SUCCESS;
}
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