void
AdjacencyList::node_neighbors(const int& local_index,
IndexVector& global_neighbor_indexes) const
{
BOOST_ASSERT(local_index < p_adjacency.size());
global_neighbor_indexes.clear();
std::copy(p_adjacency[local_index].begin(), p_adjacency[local_index].end(),
std::back_inserter(global_neighbor_indexes));
}
/*!
* \brief children Populate a children list for the given contour. No control is made.
* \param _hierarchy OpenCV contour hierarchy used to find children.
* \param _parentIndex Index in _hierarchy of the given contour. _parentIndex must exist in _hierarchy.
* \param _children Output list of the found children.
* \return number of children.
*/
void ContourManager::children(const Hierarchy & _hierarchy, int _parentIndex, IndexVector & _children)
{
_children.clear();
int currentChild = _hierarchy[_parentIndex][HIERARCHY_INDEX_FIRST_CHILD];//First child
while (currentChild >= 0)
{
_children.push_back(currentChild);
currentChild = _hierarchy[currentChild][HIERARCHY_INDEX_NEXT];
}//while (currentChild >= 0)
}//children