mpl_toolkits.mplot3d.proj3d.proj_transform_vec_clip
- 
mpl_toolkits.mplot3d.proj3d.proj_transform_vec_clip(vec, M)[source] 
    © 2012–2018 Matplotlib Development Team. All rights reserved.
Licensed under the Matplotlib License Agreement.
    https://matplotlib.org/2.2.3/api/_as_gen/mpl_toolkits.mplot3d.proj3d.proj_transform_vec_clip.html