computeOctRing method
Implementation
List<Coordinate>? computeOctRing(List<Coordinate> inputPts) {
List<Coordinate> octPts = computeOctPts(inputPts);
CoordinateList coordList = new CoordinateList();
coordList.addList(octPts, false);
// points must all lie in a line
if (coordList.size() < 3) {
return null;
}
coordList.closeRing();
return coordList.toCoordinateArray();
}