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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkLabelObjectTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkLabelObject.h"
int itkLabelObjectTest(int argc, char * argv[])
{
if( argc != 1 )
{
std::cerr << "usage: " << argv[0] << "" << std::endl;
return EXIT_FAILURE;
}
const int dim = 3;
typedef itk::LabelObject< unsigned long, dim > LabelObjectType;
typedef LabelObjectType::IndexType IndexType;
// testing AddLine(), GetNumberOfLines(), GetLineContainer() const and Optimize()
LabelObjectType::Pointer lo = LabelObjectType::New();
IndexType idx;
idx[0] = 1;
idx[1] = 20;
idx[2] = 30;
lo->AddLine( idx, 10 );
idx[0] = 5;
lo->AddLine( idx, 10 );
idx[0] = 5;
idx[1] = 0;
idx[2] = 0;
lo->AddLine( idx, 10 );
idx[0] = 5;
idx[1] = 0;
idx[2] = 1;
lo->AddLine( idx, 10 );
idx[0] = 5;
idx[1] = 1;
idx[2] = 0;
lo->AddLine( idx, 10 );
idx[0] = 0;
idx[1] = 1;
idx[2] = 1;
lo->AddLine( idx, 10 );
idx[0] = 10;
idx[1] = 1;
idx[2] = 1;
// add this line with an itk::LabelLineObject to test the AddLine(LabelObjectLine) method
lo->AddLine( LabelObjectType::LineType(idx, 1) );
lo->Optimize();
// the expected result after Optimize()
LabelObjectType::Pointer ref = LabelObjectType::New();
idx[0] = 5;
idx[1] = 0;
idx[2] = 0;
ref->AddLine( idx, 10 );
idx[0] = 5;
idx[1] = 1;
idx[2] = 0;
ref->AddLine( idx, 10 );
idx[0] = 5;
idx[1] = 0;
idx[2] = 1;
ref->AddLine( idx, 10 );
idx[0] = 0;
idx[1] = 1;
idx[2] = 1;
ref->AddLine( idx, 11 );
idx[0] = 1;
idx[1] = 20;
idx[2] = 30;
ref->AddLine( idx, 14 );
// compare the result
if( lo->GetNumberOfLines() != ref->GetNumberOfLines() )
{
std::cerr << "number of lines is different!" << std::endl;
return EXIT_FAILURE;
}
typedef LabelObjectType::LineContainerType::const_iterator IteratorType;
IteratorType it2 = lo->GetLineContainer().begin();
IteratorType it1 = ref->GetLineContainer().begin();
IteratorType end = ref->GetLineContainer().end();
lo->Print(std::cerr);
while( it1 != end )
{
std::cout << it1->GetIndex() << "-" << it1->GetLength() << " ";
std::cout << it2->GetIndex() << "-" << it2->GetLength();
std::cout << std::endl;
if( it1->GetIndex() != it2->GetIndex() || it1->GetLength() != it2->GetLength() )
{
std::cerr << "Line mismatch." << std::endl;
return EXIT_FAILURE;
}
it1++;
it2++;
}
// testing AddIndex(), GetIndex() and HasIndex()
lo = LabelObjectType::New();
std::vector< IndexType > idxs;
// one isolated pixel
idx[0] = 0;
idx[1] = 0;
idx[2] = 0;
lo->AddIndex( idx );
idxs.push_back( idx );
// and two consecutive ones
idx[0] = 1;
idx[1] = 2;
idx[2] = 3;
lo->AddIndex( idx );
idxs.push_back( idx );
idx[0] = 2;
idx[1] = 2;
idx[2] = 3;
lo->AddIndex( idx );
idxs.push_back( idx );
// should produce 2 lines
if( lo->GetNumberOfLines() != 2 )
{
std::cerr << "number of lines should be 2!" << std::endl;
return EXIT_FAILURE;
}
// should produce 3 pixels
if( lo->Size() != 3 )
{
std::cerr << "size should be 3!" << std::endl;
return EXIT_FAILURE;
}
for( unsigned int i=0; i<lo->Size(); i++ )
{
if( lo->GetIndex( i ) != idxs[i] )
{
std::cerr << "Wrong index returned by GetIndex(" << i << "): " << lo->GetIndex( i ) << ". " << idxs[i] << " was expected." << std::endl;
return EXIT_FAILURE;
}
if( !lo->HasIndex( idxs[i] ) )
{
std::cerr << "label object should have the index " << idxs[i] << "!" << std::endl;
return EXIT_FAILURE;
}
}
// test with an index not there
idx[0] = 10;
idx[1] = 10;
idx[2] = 10;
if( lo->HasIndex( idx ) )
{
std::cerr << "label object shouldn't have the index " << idx << "!" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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