computeBoundaryCoordinates method
Implementation
List<Coordinate> computeBoundaryCoordinates(MultiLineString mLine) {
List<Coordinate> bdyPts = [];
endpointMap = SplayTreeMap();
for (int i = 0; i < mLine.getNumGeometries(); i++) {
LineString line = mLine.getGeometryN(i) as LineString;
if (line.isEmpty()) {
continue;
}
addEndpoint(line.getCoordinateN(0));
addEndpoint(line.getCoordinateN(line.getNumPoints() - 1));
}
endpointMap!.forEach((coord, counter) {
int valence = counter.count;
if (bnRule.isInBoundary(valence)) {
bdyPts.add(coord);
}
});
return bdyPts;
}