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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 "itkMacro.h"
#include "itkPolyLineParametricPath.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "otbImageToEdgePathFilter.h"
#include "otbImage.h"
#include "otbImageFileReader.h"
#include "otbImageFileWriter.h"
#include "otbMacro.h"
int otbImageToEdgePathFilter(int itkNotUsed(argc), char* argv[])
{
const char* inputFilename = argv[1];
const char* outputFilename = argv[2];
const unsigned int foreground = 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();
otbLogMacro(Debug, << " pathFilter = " << pathFilter);
PathType* outputPath = pathFilter->GetOutput();
typedef PathType::VertexType VertexType;
typedef PathType::VertexListType VertexListType;
typedef VertexListType::ConstPointer VertexListTypePointer;
VertexListTypePointer vertexList;
VertexType cindex;
VertexListTypePointer ptrVertexList = outputPath->GetVertexList();
otbLogMacro(Info, << "Size : " << ptrVertexList->Size());
// 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)
{
otbLogMacro(Debug, << " Point " << cpt << " : " << ptrVertexList->GetElement(cpt));
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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