#ifndef _OTB_TRISKELE_SD_ATTRIBUTES_TPP
#define _OTB_TRISKELE_SD_ATTRIBUTES_TPP

inline
SDAttributes::SDAttributes (const Tree &tree, const AreaAttributes &areaAttributes, const unsigned int &treeCoreCount)
  : CompAttributeC<double> (tree, treeCoreCount) {
  compute (areaAttributes);
}

inline
SDAttributes::~SDAttributes () {
}

inline void
SDAttributes::compute (const AreaAttributes &areaAttributes) {
  const DimImg *areas = areaAttributes.getValues ();
  computeSameCompLevel ([this, &areas] (const DimImg &parentId) {
      double tmpSD = 0.;
      tree.forEachChildTI (parentId, [this, &tmpSD, &areas, &parentId] (const bool &isLeaf, const DimImg &childId) {
	  if (isLeaf)
	    return;
	  double diff = areas [childId]-areas [parentId];
	  tmpSD += (diff * diff)*areas[childId];
	});
      CompAttribute<double>::values[parentId] = tmpSD / areas[parentId];

      // XXX on peut virer pour gagner du temps et calculer SD*SD
      CompAttribute<double>::values[parentId] = sqrt (CompAttribute<double>::values[parentId]);
    });
}

#endif // _OTB_TRISKELE_SD_ATTRIBUTES_TPP