shader artifacts???

Support Animation and Rigging
1

Hi:

I’m doing an animation with blender internal engine. There it appears a kind of metallic cylinder. My problem is that shaders seem to change abruptly from one frame to another. I have checked but still dont know where does this artifact come from.

Here is the video, some help??

www.enriquesahagun.es/armario/shader_artifacts.avi

I’m using area lights but seems that that’s not the problem.

Thanks in advance!!!

www.enriquesahagun.es

2

I’ve seen this kind of thing occasionally on auto-smoothed surfaces, and it’s similar to cases when mesh faces are stacked up. Can you post the .blend?

3

Yeah, you are right!!! seems to be connected to the smoothing!!! What I do is that I smooth just the cylinder, not the whole mesh. How can I solve this?

Thanks in advance!!!

www.enriquesahagun.es

Attachments

logo.blend (608 KB)

4

I always set full subsurfed meshes smooth, never only parts. If I want sharp edges, I model them with cuts in the mesh near the corners. This adds polys, of course, but it makes for meshes that render much better IMO.

Also, Shift-E for creasing causes artifacts. I avoid it.