lsgrmGraphOperations.h

#ifndef __LSGRM_GRAPH_OPERATIONS_H
#define __LSGRM_GRAPH_OPERATIONS_H

#include "lsgrmHeader.h"
#include "grmGraphOperations.h"
#include "otbVectorImage.h"
#include "otbMultiChannelExtractROI.h"

namespace lsgrm
{

struct ProcessingTile
{
  long int rows[2]; // lower and upper rows (-1 means that the row has not be considered)
  long int columns[2]; // lower and upper columns (-1 means that the row has not be considered)
  long int tileNeighbors[8]; // tile Neighbors at (top, top right, right, bottom right, bottom, bottom left, left, top left)
  long int margin[4]; // Is there a margin at top, left, bottom or right
  otb::VectorImage<double>::RegionType region; // The image region

  // Temporary files
  std::string nodeFileName;
  std::string edgeFileName;
  std::string nodeMarginFileName;
  std::string edgeMarginFileName;
};

// Read an image region
template<class TSegmenter>
typename TSegmenter::ImageType::Pointer ReadImageRegion(
    typename TSegmenter::ImageType * inputPtr,
    typename TSegmenter::ImageType::RegionType region);

template<class TSegmenter>
typename TSegmenter::LabelImageType::Pointer
MergeAllGraphsAndAchieveSegmentation(
    const typename TSegmenter::ParamType& params,
    const float& threshold,
    std::vector<ProcessingTile>& tiles,
    const unsigned int nbTilesX,
    const unsigned int nbTilesY,
    const unsigned int imageWidth,
    const unsigned int imageHeight,
    const unsigned int imageBands,
    unsigned int numberOfIterations);

template<class TSegmenter>
long long unsigned int RunFirstPartialSegmentation(
    typename TSegmenter::ImageType * inputPtr,
    const typename TSegmenter::ParamType& params,
    const float& threshold,
    const unsigned int niter,
    const unsigned int niter2,
    std::vector<ProcessingTile>& tiles,
    const unsigned int nbTilesX,
    const unsigned int nbTilesY,
    const unsigned int tileWidth,
    const unsigned int tileHeight,
    bool& isFusion);

template<class TSegmenter>
long long unsigned int RunPartialSegmentation(
    const typename TSegmenter::ParamType& params,
    const float& threshold,
    const unsigned int niter,
    std::vector<ProcessingTile>& tiles,
    const unsigned int nbTilesX,
    const unsigned int nbTilesY,
    const unsigned int imageWidth,
    const unsigned int imageHeight,
    const unsigned int imageBands,