Function _vec_pad_ones

lib/mpl_toolkits/mplot3d/proj3d.py:223–227

(xs, ys, zs)

def _vec_pad_ones(xs, ys, zs):
    if np.ma.isMA(xs) or np.ma.isMA(ys) or np.ma.isMA(zs):
        return np.ma.array([xs, ys, zs, np.ones_like(xs)])
    else:
        return np.array([xs, ys, zs, np.ones_like(xs)])


def proj_transform(xs, ys, zs, M):