Stefan, if you are working on this, see the linked branch and the PPA I linked above. I was able to get it to build using the included qwt3d. Maybe you could use that as a starting point if it helps.
Stefan, if you are working on this, see the linked branch and the PPA I linked above. I was able to get it to build using the included qwt3d. Maybe you could use that as a starting point if it helps.