Re: Re: Re: Missordered panels

>   Date: Wed, 9 Nov 2005 20:31:46 -0800 (PST)
>   From: PETER HARRIS <kiwis_usa-/[email protected]>
> Subject: Re: Re: Re: Missordered panels
>
> Vincent
> Go into edit mode select pannels that you want to
> change, then select colour that you want, then hit the
> assign key in the link & materials tab. You can assign
> upto 16 different colours & tex to one object by doing
> the above.
>
> Cheers kiwi
>
> Ps Bell modded per EO attached

You may have noticed that there already are 7 colours assigned to
various part of the object?  Originally, they were all shades of red,
I changed the outside panels colour to yellow to make a point.


>   Date: Wed, 09 Nov 2005 23:55:16 -0600
>   From: Alex Heizer <[email protected]>
> Subject: Re: Re: Re: Missordered panels
>
> It looks like some of the panels are just colored red at this point.
> Zooming in, you can see the inner shell and the red outside panels seem
> to just be red panels, not the red inside panels showing through. Since
> you have so many close vertices, this may be easier if you model the
> outside wall separate from the inside wall. Then, you can set a color
> for the entire outside wall, then set a separate color for the entire
> inside wall. This will also make it easier to troubleshoot where any
> panel breakthroughs are coming from, and you can lock the two objects
> together using a parent or by joining (once you're finished making both
> objects perfect).
>
> Also, its a good idea to keep the model within the modeling grid if you
> can, it took me a few minutes to find the camera due to the scale. Since
> it's all vector, you can zoom in and model a smaller object, and keep
> the stage small enough that lamps and cameras and empties and all that
> are a good size so that you don't lose them. :)
>
> Alex

Alternate modelling techniques may provide some relief, still, I fail to see 
why
near panels are show as being aft of further ones.  I know which panels are
bleeding through, since I selectively removed them until I had a proper 
render.

Sorry about your problem finding the camera.  I did not want to move it for 
fear
that the bug would move away.  What you see is what I have, save for 
modified
colours, and with lots of elements removed to reduce the size of the file.
This one shows the problem.



>   Date: Thu, 10 Nov 2005 08:17:28 -0800 (PST)
>   From: Juan Franco <jumafra77-/[email protected]>
> Subject: 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

The huge scale, well, I am more of less stuck with it.What you
are looking at is the bell funnel from a rocket engine.  I took it
that the maximum range of the camera (5000) stood for 5000 metre,
and all my objets were designed using that as a basic (i.e. that Blender
can model and render a cube 5 kilometer to a side, with the smallest
grid representing one cm.  I never tried scaling down everything
drastically, for fear of loosing details -- after all, internal calculations
must have some numeric dynamic range limits, where roundoff errors
become an issue.  I tried to look for such considerations and limitations
in the very abundant Blender documentation and could not find anything
along those lines.  My requirements are perhaps somewhat different
from the average Blender user.


>   Date: Thu, 10 Nov 2005 10:02:07 -0800 (PST)
>   From: m p <ysvry-/[email protected]>
> Subject: Re: Re: Re: Missordered panels
>
> seems you find a bug then, please add it to the bug
> list and include the .blend file so they can iron it
> out. thats how it works in the blender comunity.

OK, I will poke around and see how one does file such a bug report.




Thansk everyone for the insights.  Perhaps this is indeed a bug that can get 
fixed
in a future release, for the benefit of everyone.


Regards


CBVG



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