public void showVoronoi() {
voronoi = new Voronoi();
for (String btsID : BTS2Location.keySet()) {
Location location = BTS2Location.get(btsID);
float xy[] = this.map.getScreenPositionFromLocation(location);
if (xy[0] > width * 2
|| xy[0] < -(width * 2)
|| xy[1] > height * 2
|| xy[1] < -(height * 2)) {
// avoid errors in toxiclib
continue;
}
try {
voronoi.addPoint(new Vec2D(xy[0], xy[1]));
} catch (Exception e) {
logger.debug(e);
}
}
noFill();
stroke(0xFF40a6dd);
strokeWeight(1);
for (Polygon2D polygon : voronoi.getRegions()) {
gfx.polygon2D(polygon);
}
fill(255, 0, 255);
noStroke();
for (Vec2D c : voronoi.getSites()) {
ellipse(c.x, c.y, 5, 5);
}
}
public void calculateVoronoi() {
voronoi = new Voronoi();
for (PVector i : points) {
voronoi.addPoint(new Vec2D(i.x, i.y));
}
interactionHandler.actionHook(this, HandlerActions.UPDATE_GRID);
}
public void draw(PGraphics i_context) {
i_context.background(255);
i_context.noFill();
i_context.stroke(0);
List<Polygon2D> polys;
if (gridType == VoronoiDelaunayGrid.DELAUNAY) {
polys = new ArrayList<Polygon2D>();
for (Triangle2D t : voronoi.getTriangles()) {
polys.add(t.toPolygon2D());
}
} else polys = voronoi.getRegions();
for (Polygon2D poly : polys) {
Polygon2D clipped = clip.clipPolygon(poly);
i_context.beginShape();
for (Vec2D pt : clipped.vertices) {
i_context.vertex(pt.x, pt.y);
}
Vec2D pt = clipped.vertices.get(0);
i_context.vertex(pt.x, pt.y);
i_context.endShape();
}
for (PVector pos : points) {
i_context.fill(255, 0, 0);
i_context.stroke(255, 0, 0);
i_context.ellipse(pos.x, pos.y, 2, 2);
}
}
