triskele/include/Attributes/MoIAttributes.tpp
Git Merciol e685b9fa49 nouveau fichier : include/Attributes/MoIAttributes.hpp
nouveau fichier : include/Attributes/MoIAttributes.tpp
2018-02-19 17:29:36 +01:00

35 lines
1.2 KiB
C++

#ifndef _OTB_TRISKELE_MOI_ATTRIBUTES_TPP
#define _OTB_TRISKELE_MOI_ATTRIBUTES_TPP
inline
MoIAttributes::MoIAttributes (const Tree &tree, const AreaAttributes &areaAttributes, const XYAttributes &xyAttributes, const unsigned int &treeCoreCount)
: CompAttributeC<double> (tree, treeCoreCount) {
compute (areaAttributes, xyAttributes);
}
inline
MoIAttributes::~MoIAttributes () {
}
inline void
MoIAttributes::compute (const AreaAttributes &areaAttributes, const XYAttributes &xyAttributes) {
const AverageXY *xy = xyAttributes.getValues ();
const DimImg *areas = areaAttributes.getValues ();
computeSameCompLevel ([this, &xy, &areas] (const DimImg &parentId) {
double tmpMoI = 0.;
const double xa = xy[parentId].x;
const double ya = xy[parentId].y;
tree.forEachChildTI (parentId, [this, &tmpMoI, &xa, &ya, &xy, &areas, &parentId] (const bool &isLeaf, const DimImg &childId) {
if (isLeaf)
return;
const double dx = xy[childId].x - xa;
const double dy = xy[childId].y - ya;
tmpMoI += (dx*dx+dy*dy)*areas[childId];
});
const double card = areas[parentId];
CompAttribute<double>::values[parentId] = tmpMoI/(card*card);
});
}
#endif // _OTB_TRISKELE_MOI_ATTRIBUTES_TPP