spherical.py 文件源码

def lat_long_to_equirectangular_uv(S, T):
    # Convert latitude and longitude to UV coordinates
    # on an equirectangular plane.
    u = tf.mod(S / (2.0 * np.pi) - 0.25, 1.0)
    v = tf.mod(T / np.pi, 1.0)
    return u, v

# General rotation function given angles in (x, y, z) axes.