private Pair<Point2D, Point2D> getAPointInReachblePartEdges(Area area, Edge relatedEdge) {
Point2D point = null;
Edge rEdge = null;
if (area instanceof Road) {
Road road = (Road) area;
FOR:
for (SOSArea reachablePart : road.getReachableParts()) {
for (Edge edge : reachablePart.getEdges()) {
if (edge.getReachablityIndex() >= 0
&& area.getEdges().get(edge.getReachablityIndex()).equals(relatedEdge)) {
point = edge.getMidPoint();
rEdge = edge;
break FOR;
}
}
}
}
if (point == null) {
point = relatedEdge.getMidPoint();
rEdge = relatedEdge;
}
ArrayList<Point2D> twoPointForCheckContain =
Utility.get2PointsAroundAPointOutOfLine(rEdge.getStart(), rEdge.getEnd(), point, 10);
ArrayList<Point2D> twoPoint =
Utility.get2PointsAroundAPointOutOfLine(rEdge.getStart(), rEdge.getEnd(), point, 3000);
if (area.getShape().contains(twoPointForCheckContain.get(0).toGeomPoint()))
return new Pair<Point2D, Point2D>(twoPoint.get(0), twoPoint.get(1));
else return new Pair<Point2D, Point2D>(twoPoint.get(1), twoPoint.get(0));
}
private void computeCenter(int[] apexes) {
rescuecore2.geometry.Point2D p = SOSGeometryTools.computeCentroid(apexes);
centerX = (int) p.getX();
centerY = (int) p.getY();
if (apexes.length < 6) return;
try {
Point2D point1 = null, point2 = null, middlePoint = null;
ArrayList<rescuecore2.geometry.Point2D> twoPointOutOfLine = null;
if (!contains(centerX, centerY)) { // if the point is not inside the polygon
/////////////////////// finding a point inside polygon////////////////
FOR:
for (int i = 0; i < apexes.length - 2; i += 2) {
point1 = new rescuecore2.geometry.Point2D(apexes[i], apexes[i + 1]);
point2 = new rescuecore2.geometry.Point2D(apexes[i + 2], apexes[i + 3]);
middlePoint =
new rescuecore2.geometry.Point2D(
(apexes[i] + apexes[i + 2]) / 2, (apexes[i + 1] + apexes[i + 3]) / 2);
twoPointOutOfLine =
Utility.get2PointsAroundAPointOutOfLine(point1, point2, middlePoint, 2);
for (rescuecore2.geometry.Point2D point2d : twoPointOutOfLine) {
if (contains(point2d.getX(), point2d.getY())) {
centerX = (int) point2d.getX();
centerY = (int) point2d.getY();
break FOR;
}
}
}
/*
if (!contains(centerX, centerY)) {
debug.show("SOS Shape", new ShapeDebugFrame.AWTShapeInfo(this, "apexes=" + Arrays.toString(apexes), Color.blue, false),
new ShapeDebugFrame.Point2DShapeInfo(point1, "Point 1", Color.red, true),
new ShapeDebugFrame.Point2DShapeInfo(point2, "Point 2", Color.green, true),
new ShapeDebugFrame.Point2DShapeInfo(middlePoint, "middlePoint", Color.pink, true),
new ShapeDebugFrame.Point2DShapeInfo(twoPointOutOfLine.get(0), "twoPointOutOfLine 1", Color.magenta, true),
new ShapeDebugFrame.Point2DShapeInfo(twoPointOutOfLine.get(1), "twoPointOutOfLine 2", Color.black, true),
new ShapeDebugFrame.DetailInfo("area:" + SOSGeometryTools.computeAreaUnsigned(apexes))
);
}
*/
///////////////////////////////////////////////////////////////////////
}
} catch (Exception e) {
e.printStackTrace();
System.err.println(this.getClass().getSimpleName() + " have error" + e.getMessage());
}
}