You'd better head for the forum at http://forum.freecadweb.org , you'll get much better and much more replies there. But yes,...

Commenting post 53: You'd better head for the forum at http://forum.freecadweb.org , you'll get much better and much more replies there. But yes, it's possible, try the Draft Dimension tool, it should be able to detect arcs inside imported shapes. Otherwise, with a bit of python scripting it is possible to retrieve all that kind of data too.