Re: Re: Re: Missordered panels

Taking a close look at your model, I noticed a couple
things. First, some of the faces (panels) have flipped
normals. This may lead to some ugly artifacts when
rendering. Anyway, correcting the normals didn't seem
to fix the problem. The second thing I noticed is the
huge scale you are working with. Reducing the size to
1/10 the original one did correct some of the problem,
but still some inner faces showed up in front of the
outer ones. Maybe you sould try reducing the entire
model's size, if this doesn't conflict with your
computational calculations.

Regards

Juan

--- Vincent Goudreault <vgoudreault-XzQKRVe1yT0V+D8aMU/[email protected]>
wrote:

> >   Date: Wed, 09 Nov 2005 02:46:44 -0000
> >   From: "Eric" <pellea72-/[email protected]>
> > Subject: Re: Missordered panels
> >
> > Not sure what you mean by "panels". Could you post
> a .blend file (or a 
> > link to it) so we can
> > see what you're talking about? The smaller
> sub-file would be preferable.
> 
> Well, the object I have is a "damaged" double walled
> cone (extruded object). 
> Just picture
> a bell with thickness (hence the double wall).  Each
> of the face is what I 
> call a "panel"
> (I am an aerospace engineer, in computational fluid
> dynamics, each discrete 
> face is called
> a panel, that is why I picked that name). The inner
> wall is a different 
> colour than the
> outer, and when rendering, I see some of the inside
> faces like if they were 
> outside of
> the outside ones.  I managed to get around it by
> deleting the inner faces 
> that would
> (and should not) not be seen ayway, but having to
> edit the scene just to get 
> around
> that is time consuming.  Just changing the angle of
> the object (rotating) 
> will hide back
> some of the faces but will bring out more, that is
> why I took the drastic 
> route.
> 
> I have uploaded a trimmed down file (126 k) that
> shows what I mean:
>
http://groups.yahoo.com/group/Blender/files/demo.blend
> 
> If you do a render using the settings, some red will
> show through, although 
> the outside
> is yellow.  Rotating the objet shows panel changing,
> the effect is visible 
> in a camera
> view, although the rendered image will differ from
> the camera view as to 
> which faces
> are bleeding through and which are not.
> 
> >
> > By the way, what version of Blender are you using?
> 
> 2.37a
> 
> 
> 
> 
> 
> CBVG
> 
> 



	
		
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