reference_surface.py 文件源码

def map_datum_to_surface(d,m_from_screen):
        pos = np.array([d['norm_pos']]).reshape(1,1,2)
        mapped_pos = cv2.perspectiveTransform(pos , m_from_screen )
        mapped_pos.shape = (2)
        on_srf = bool((0 <= mapped_pos[0] <= 1) and (0 <= mapped_pos[1] <= 1))
        return {'topic':d['topic']+"_on_surface",'norm_pos':(mapped_pos[0],mapped_pos[1]),'confidence':d['confidence'],'on_srf':on_srf,'base_data':d }