public static Coordinate[] simplify(Coordinate[] pts, double distanceTolerance) { DouglasPeuckerLineSimplifier simp = new DouglasPeuckerLineSimplifier(pts); simp.setDistanceTolerance(distanceTolerance); return simp.simplify(); }
private void simplifySection(int i, int j) { if((i+1) == j) { return; } seg.p0 = pts[i]; seg.p1 = pts[j]; double maxDistance = -1.0; int maxIndex = i; for (int k = i + 1; k < j; k++) { double distance = seg.distance(pts[k]); if (distance > maxDistance) { maxDistance = distance; maxIndex = k; } } if (maxDistance <= distanceTolerance) { for(int k = i + 1; k < j; k++) { usePt[k] = false; } } else { simplifySection(i, maxIndex); simplifySection(maxIndex, j); } }
protected CoordinateSequence transformCoordinates(CoordinateSequence coords, Geometry parent) { Coordinate[] inputPts = coords.toCoordinateArray(); Coordinate[] newPts = DouglasPeuckerLineSimplifier.simplify(inputPts, distanceTolerance); return factory.getCoordinateSequenceFactory().create(newPts); }
protected CoordinateSequence transformCoordinates(CoordinateSequence coords, Geometry parent) { Coordinate[] inputPts = coords.toCoordinateArray(); Coordinate[] newPts = null; if (inputPts.length == 0) { newPts = new Coordinate[0]; } else { newPts = DouglasPeuckerLineSimplifier.simplify(inputPts, distanceTolerance); } return factory.getCoordinateSequenceFactory().create(newPts); }
public static Coordinate[] simplify(Coordinate[] pts, double distanceTolerance) { DouglasPeuckerLineSimplifier simp = new DouglasPeuckerLineSimplifier(pts); simp.setDistanceTolerance(distanceTolerance); return simp.simplify(); }
public Coordinate[] simplify() { usePt = new boolean[pts.length]; for (int i = 0; i < pts.length; i++) { usePt[i] = true; } simplifySection(0, pts.length - 1); CoordinateList coordList = new CoordinateList(); for (int i = 0; i < pts.length; i++) { if (usePt[i]) coordList.add(new Coordinate(pts[i])); } return coordList.toCoordinateArray(); }
private void simplifySection(int i, int j) { if((i+1) == j) { return; } seg.p0 = pts[i]; seg.p1 = pts[j]; double maxDistance = -1.0; int maxIndex = i; for (int k = i + 1; k < j; k++) { double distance = seg.distance(pts[k]); if (distance > maxDistance) { maxDistance = distance; maxIndex = k; } } if (maxDistance <= distanceTolerance) { for(int k = i + 1; k < j; k++) { usePt[k] = false; } } else { simplifySection(i, maxIndex); simplifySection(maxIndex, j); } }
public Coordinate[] simplify() { usePt = new boolean[pts.length]; for (int i = 0; i < pts.length; i++) { usePt[i] = true; } simplifySection(0, pts.length - 1); CoordinateList coordList = new CoordinateList(); for (int i = 0; i < pts.length; i++) { if (usePt[i]) coordList.add(new Coordinate(pts[i])); } return coordList.toCoordinateArray(); }