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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt 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.
=========================================================================*/
#include "itkMacro.h"
#include "itkPolyLineParametricPath.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "otbImageToEdgePathFilter.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
int otbImageToEdgePathFilter(int itkNotUsed(argc), char * argv[])
{
const char * inputFilename = argv[1];
const char * outputFilename = argv[2];
const unsigned int foreground((const unsigned int) ::atoi(argv[3]));
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef otb::Image<PixelType, Dimension> ImageType;
typedef ImageType::IndexType IndexType;
typedef itk::PolyLineParametricPath<Dimension> PathType;
typedef otb::ImageFileReader<ImageType> ReaderType;
typedef otb::ImageFileWriter<ImageType> WriterType;
typedef otb::ImageToEdgePathFilter<ImageType, PathType> ImageToEdgePathFilterType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFilename);
ImageToEdgePathFilterType::Pointer pathFilter = ImageToEdgePathFilterType::New();
PixelType foregroundValue(foreground);
pathFilter->SetForegroundValue(foregroundValue);
pathFilter->SetInput(reader->GetOutput());
pathFilter->Update();
std::cout << " pathFilter = " << pathFilter << std::endl;
PathType * outputPath = pathFilter->GetOutput();
typedef PathType::VertexType VertexType;
typedef PathType::VertexListType VertexListType;
typedef VertexListType::ConstPointer VertexListTypePointer;
VertexListTypePointer vertexList;
VertexType cindex;
VertexListTypePointer ptrVertexList = outputPath->GetVertexList();
std::cout << "Size : " << ptrVertexList->Size() << std::endl;
// Initialize Output Image
ImageType::Pointer outputImage = ImageType::New();
typedef itk::ImageRegionIteratorWithIndex<ImageType> IteratorType;
outputImage->SetRegions(reader->GetOutput()->GetLargestPossibleRegion());
outputImage->Allocate();
outputImage->FillBuffer(255);
// Create one iterator for the Input Image (this is a light object)
IteratorType it(outputImage, outputImage->GetBufferedRegion());
for (unsigned int cpt = 0; cpt < ptrVertexList->Size(); ++cpt)
{
std::cout << " Point " << cpt << " : " << ptrVertexList->GetElement(cpt) << std::endl;
IndexType pos;
pos[0] = static_cast<unsigned long>(ptrVertexList->GetElement(cpt)[0]);
pos[1] = static_cast<unsigned long>(ptrVertexList->GetElement(cpt)[1]);
outputImage->SetPixel(pos, 0);
}
WriterType::Pointer writer = WriterType::New();
writer->SetInput(outputImage);
writer->SetFileName(outputFilename);
writer->Update();
/* VertexListConstIterator iter=ptrVertexList->Begin();
while( iter != ptrVertexList->End() )
{
// it.Set( 255 );
std::cout <<" VERTEX : "<<(*iter).GetElement()<<std::endl;
++iter;
}
*/
/* x1 = cindex[0];
y1 = cindex[1];
cindex = vertexList->GetElement(1);
x2 = cindex[0];
y2 = cindex[1];
fprintf(file,"%8.4f %8.3f\n", x1, y1);
*/
return EXIT_SUCCESS;
}
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