public void addSegment(Coordinate p0, Coordinate p1) {
    if (p0.distance(p1) < epsilon) {
      return;
    }
    addSegment(originalSegments, p0, p1);
  }
public void addSegment ( Coordinate p0 , Coordinate p1 ) { if ( p0 . distance ( p1 ) < epsilon ) { return ; } addSegment ( originalSegments , p0 , p1 ) ; }
Add occlusion segment in isovist

@param p0 segment origin
@param p1 segment destination