in DemoEnvMapNetMetrics.py [0:0]
def create_equirectangular_image_with_blob(lat,long,radius,noise=0.0):
v = int(lat/180.0*128)
u = int(long/360.0*256)
im = np.random.uniform(0.0, noise, (128, 256, 3))
cv2.circle(im, (u,v), radius, (10, 10, 10), -1)
im = cv2.GaussianBlur(im, (19, 19), -1)
return im