void
MonotoneChainIndexer::getChainStartIndices(const CoordinateSequence* pts,
vector<int> &startIndexList)
{
// find the startpoint (and endpoints) of all monotone chains
// in this edge
int start=0;
//vector<int>* startIndexList=new vector<int>();
startIndexList.push_back(start);
do {
int last=findChainEnd(pts,start);
startIndexList.push_back(last);
start=last;
} while(start<(int)pts->getSize()-1);
// copy list to an array of ints, for efficiency
//return startIndexList;
}
/**
* Return an array containing lists of start/end indexes of the monotone chains
* for the given list of coordinates.
* The last entry in the array points to the end point of the point array,
* for use as a sentinel.
*/
void
MonotoneChainBuilder::getChainStartIndices(const CoordinateSequence *pts,
vector<int>& startIndexList)
{
// find the startpoint (and endpoints) of all monotone chains
// in this edge
int start = 0;
startIndexList.push_back(start);
const std::size_t n = pts->getSize() - 1;
do
{
int last = findChainEnd(pts, start);
startIndexList.push_back(last);
start = last;
} while (static_cast<std::size_t>(start) < n);
}
