spherical.py 文件源码

def xyz_grid(shape, face = "front"):
    a, b = tf.meshgrid(tf.linspace(-1.0, 1.0, shape[1]),
                       tf.linspace(-1.0, 1.0, shape[0]))
    c = tf.constant(1.0, dtype = tf.float32, shape = shape)

    return switch_face(a, b, c, face)

# Convert Cartesian coordinates (x, y, z) to latitude (T) and longitude (S).