Is it me? Or the nature of the beast?
When I discovered the wonderful world of split lines (thank's to Matt and the Bible) it opened many flexible possibilities for design intent. But, I also found that if I went back into a feature above the split line features, even in a rolled back state, you destroy the split line elements that you created after the newly edited features.
For example ( I can't show the file because it's still in pre-production prototype) I made a thing with a fancy curved surface. I couldn't use Wrap feature so I used split line, offset to zero, then thicken cut for engraving the logo. I go down the tree adding some more features as required by the ID and then marketing comes back and changes the logo. No problem. Except, that when I changed the sketch that held the original split lines, I had to re-assigned the split lines. The logo worked great. But every split line feature afterwards blew up and had to be completely re entered. It was a big deal because it was about an hours work.
So, did I do something dumb? or is this a goof in the software?
Thanks, Carter (SW2010 sp2.1.)
Hi Carter,
My guess is that they fail in your Feature Manager when you create features before split lines because the Split line feature is dependent on a specific face/s in which to split. Because every feature in SW identifies faces called "face ID's" (internal to the software) a feature before your split line will change the idenfication of the face you orginally split. This is basically how we make all the history based parametrics work in SW. I believe it's not too bad when this happens, since all you need to do is edit the split line feature and identify the correct face. I think we could do better at this but it would require that we make a lot of assumptions about what you did when you rolled back before the Split Line - kinda like a Terminator movie
Regards
mark