How to use

processIndex

method

in

kendzi.math.geometry.Triangulate

  @Deprecated
  private static List<Integer> trianglePolytriangulateSweeped(List<Point2d> poly) {

    // FIXME remove this method and switch to PolygonUtil
    int size = poly.size();

    List<Point2d> polySweeped = new ArrayList<Point2d>();
    for (Point2d point2d : poly) {
      polySweeped.add(new Point2d(point2d.x + 0.3 + Double.MIN_VALUE, point2d.y + 0.3 + Double.MIN_VALUE));
    }

    // sweep
    polySweeped.add(polySweeped.remove(0));

    Triangulate t = new Triangulate();
    List<Integer> trianglePoly = t.processIndex(poly);

    if (trianglePoly == null) {
      return null;
    }

    List<Integer> ret = new ArrayList<Integer>();
    for (Integer integer : trianglePoly) {
      // sweep back
      ret.add((integer + 1) % size);
    }

    return ret;
  }
}

public static void main(String[] args) {
  Triangulate t = new Triangulate();
  List<Point2d> pContour = new ArrayList<Point2d>();
  pContour.add(new Point2d(1.895497121847469, -43.471537857796115));
  pContour.add(new Point2d(-0.9242217038848146, -42.12385244107362));
  pContour.add(new Point2d(-3.743943196278786, -40.77616574981941));
  pContour.add(new Point2d(2.2851311803030017, -28.168042068609704));
  List<Integer> processIndex = t.processIndex(pContour);
}

List<Integer> trianglePoly = t.processIndex(poly);