in DemoEnvMapNetMetrics.py [0:0]
def draw_lights_on_image(I_,light_params):
from matplotlib import cm
cnt = 1
N = len(light_params)
I=I_.copy()
for l_ in light_params:
l = l_[0]
clr = np.asarray(cm.hot(cnt)[0:3])*255
cv2.ellipse(I, (int(l[0]), int(l[1])), (int(l[2]), int(l[3])), int(l[4]), 0, 360, clr)
cv2.circle(I, (int(l[0]), int(l[1])), 2, clr, -1)
cnt += 1
return I*255