I have never used these operations, so I can't comment on them. However, you may be able to get some help from the user mailing list: http://inkscape.13.x6.nabble.com/Inkscape-User-f2857977.html
I have never used these operations, so I can't comment on them. However, you may be able to get some help from the user mailing list: inkscape. 13.x6.nabble. com/Inkscape- User-f2857977. html
http://