def paint_voronoi( subdiv, img ):
cv.CalcSubdivVoronoi2D( subdiv );
for edge in subdiv.edges:
# left
draw_subdiv_facet( img, cv.Subdiv2DRotateEdge( edge, 1 ));
# right
draw_subdiv_facet( img, cv.Subdiv2DRotateEdge( edge, 3 ));
print "Delaunay triangulation will be build now interactively."
print "To stop the process, press any key\n"
for i in range(200):
fp = (random.random() * (rect[2] - 10) + 5,
random.random() * (rect[3] - 10) + 5)
locate_point(subdiv, fp, img, active_facet_color)
cv.ShowImage(win, img)
if (cv.WaitKey(100) >= 0):
break
cv.SubdivDelaunay2DInsert(subdiv, fp)
cv.CalcSubdivVoronoi2D(subdiv)
cv.Set(img, bkgnd_color)
draw_subdiv(img, subdiv, delaunay_color, voronoi_color)
cv.ShowImage(win, img)
if (cv.WaitKey(100) >= 0):
break
cv.Set(img, bkgnd_color)
paint_voronoi(subdiv, img)
cv.ShowImage(win, img)
cv.WaitKey(0)
cv.DestroyWindow(win)