that's great. Thanks for finding that out wmayer!

still having problems using configure and rebuilding under Ubuntu:
Debugging I found it to be segfaulting in
ViewProviderSketch::delSelected

when iterating through here if that helps
for (rit = edit->SelConstraintSet.rbegin(); rit != edit->SelConstraintSet.rend(); rit++)

Here's a patch of what I've done. Its not the latest revision and its the first time I've used diff so I'm hoping it works first time too :) http://queenbee23.com/mypatch In the patch is the following -Draggable Distance Constraint (Now with datum lines) --Problem is centering the datum text. I've t...

It would be nice to have some consistency so I tend to use Base::Vector3d. At least I think this is the right vector class to use? However, there's no convenient method from converting to SbVec3f without having to manual assign each value of the vector. Would it be possible to add a convenience meth...

I'm a bit busy today. Later tonight I'll continue merging what I've got with logari81's new solver code as I was being a bit experimental when I first started. The edge dragging will only work for now at the midpoint. (Mine did it in the gui, but we decided it would be best for it to be done in the ...