navigation.py 文件源码

def do_unwarp(self, where):
        """ do the opencv2 unwarp """
        point = np.array([[where[0], where[1]]], dtype='float32')
        apoint = np.array([point])
        turn = cv2.perspectiveTransform(apoint, self.map_matrix)
        return self.m_row_zero + (turn[0][0][1] * self.m_per_row)