spherical.py 文件源码

def uv_grid(shape):
    return tf.meshgrid(tf.linspace(-0.5, 0.5, shape[1]),
                       tf.linspace(-0.5, 0.5, shape[0]))

# Restricted rotations of (a, b, c) to (x, y, z), implemented using
# permutations and negations.