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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 <iostream>
#include "itkLabelImageToLabelMapFilter.h"
int itkShiftLabelObjectTest(int argc, char * argv[])
{
if( argc != 1 )
{
std::cerr << "usage: " << argv[0] << "" << std::endl;
return EXIT_FAILURE;
}
const int dim = 2;
typedef itk::LabelObject< unsigned long, dim > LabelObjectType;
typedef LabelObjectType::IndexType IndexType;
typedef LabelObjectType::OffsetType OffsetType;
typedef itk::LabelMap< LabelObjectType > LabelMapType;
typedef LabelMapType::SizeType SizeType;
typedef itk::Image< unsigned char, dim > ImageType;
typedef itk::LabelImageToLabelMapFilter<ImageType, LabelMapType> LabelImageToLabelMapFilterType;
ImageType::Pointer image = ImageType::New();
SizeType sizeIn;
sizeIn[0] = 12;
sizeIn[1] = 12;
image->SetRegions( sizeIn );
image->Allocate();
image->FillBuffer( 0 );
IndexType idxHorizontal;
idxHorizontal[1] = 6;
IndexType idxVertical;
idxVertical[0] = 6;
for (int ctr=1; ctr<12; ctr++)
{
idxHorizontal[0] = ctr;
idxVertical[1] = ctr;
image->SetPixel( idxHorizontal, 1);
image->SetPixel( idxVertical, 1 );
}
LabelImageToLabelMapFilterType::Pointer conversion = LabelImageToLabelMapFilterType::New();
conversion->SetInput( image );
conversion->Update( );
LabelMapType::Pointer map;
map = conversion->GetOutput();
OffsetType o;
o[0] = -1;
o[1] = -1;
map->GetLabelObject(1)->Shift( o );
map->Print(std::cout);
std::cout << "Printing out map." << std::endl;
for (int ctrI=0; ctrI<11; ctrI++)
{
for (int ctrJ=0; ctrJ<11; ctrJ++)
{
IndexType index;
index[0] = ctrI;
index[1] = ctrJ;
unsigned long val;
val = map->GetPixel(index);
std::cout << "Pixel[" << ctrI << "," << ctrJ << "]: " << val << std::endl;
if ( (ctrI == 5) || (ctrJ==5) )
{
itkAssertOrThrowMacro( (val == 1), "Error in Label Image (foreground).");
}
else
{
itkAssertOrThrowMacro( (val == 0), "Error in Label Image (background).");
}
}
}
std::cout << "End - Printing out map." << std::endl << std::endl;
conversion->Print( std::cout );
return EXIT_SUCCESS;
}
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