Revolves using vectors look triangular

[Anonymous]

One of my revolves appear fine (on second try) and the rest appear triangular:

Actually, I see now that even the one I thought was fine, looks triangular when unshaded.

Anyone know what's wrong? Never used vectors before, but I believe I need it in this case.

[Anonymous]

Just found out that intersecting the revolve with another surface generates proper cos, but it crashes Alias on trim...

[Anonymous]

It's bad form to tack on a question, perhaps, but I did the revolve a different way (still using a vector), and stitch is now behaving in a way I've never seen before:

How is it possible that's it's not following the original surface (the blue line)? I killed all construction history before stitching...

[michael_wu · Accepted solution]

eobet, thanks for reporting this bug. I can easily reproduce the triangluar look issue. Can you give more description of the crash? Thank you!

[Anonymous]

After selecting the revolve with the triangular look, use the intersect tool to produce cos on both surfaces of an intersecting surface and then attempt a trim on either surface.

I'm using Alias Design 2015 SP2.

Below you can find an example of the similar revolve stiching problem I posted about above, after I managed a work around to avoid the triangular look:

(Solidworks managed to stitch the surfaces without issue.)

[michael_wu]

Ok, I can reproduce it now.

[Anonymous]

Thanks!

Did you see the edit I made while you were posting about the stitching issue?

[michael_wu]

Yes, I can see it. I have reported two bugs about the issue. Thanks for your reporting.

[michael_wu]

Just a walk around: If you snap the end CVs of the revolve surface, the artifect on the surface will be gone. You can refer the attached video.