/**
* Buffer polygons by buffering the individual boundary segments and either unioning or
* differencing them.
*
* @param g
* @param distance
* @return the buffer geometry
*/
public static Geometry bufferBySegments(Geometry g, double distance) {
Geometry segs = LineHandlingFunctions.extractSegments(g);
double posDist = Math.abs(distance);
Geometry segBuf = bufferByComponents(segs, posDist);
if (distance < 0.0) return g.difference(segBuf);
return g.union(segBuf);
}
public static Geometry bufferByChains(Geometry g, double distance, int maxChainSize) {
if (maxChainSize <= 0)
throw new IllegalArgumentException(
"Maximum Chain Size must be specified as an input parameter");
Geometry segs = LineHandlingFunctions.extractChains(g, maxChainSize);
double posDist = Math.abs(distance);
Geometry segBuf = bufferByComponents(segs, posDist);
if (distance < 0.0) return g.difference(segBuf);
return g.union(segBuf);
}