Rendering bugs on 9t3 ? See samples...

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 9:40 pm

Hello,
These are my last 9t3 renders (happended a month ago) who quite disappointed me. I think they're wrong. Are these known problems ?

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 9:45 pm

Second one. I'm off from Indigo since these renders...

suvakas · Post by **suvakas** » Sat Aug 18, 2007 9:49 pm

What's wrong exactly? Those edges on round parts?

Kram1032 · Post by **Kram1032** » Sat Aug 18, 2007 9:55 pm

NORMALSMOOTHING
- nothing more to say.

If you activated normalsmoothing, you'll need to add an Edgesplit modifier, to avoid smoothing problems

Btw, newest Version isn't 0.9t3 but 0.9t6

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 9:56 pm

On the 1st one :
Nope. Normals are per face, these faceted rounded parts are OK. What's wrong is the straight reflection on the inner part of the thing. You can see straight lines... which is not featured by the model...

On the 2nd one, they're obvious...

suvakas · Post by **suvakas** » Sat Aug 18, 2007 10:07 pm

What straight reflection ? Edges?
I'd say turn on normal smoothing like Kram wrote.

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 10:10 pm

No, I don't want normal smoothing.

suvakas · Post by **suvakas** » Sat Aug 18, 2007 10:12 pm

Strykaas wrote:No, I don't want normal smoothing.

Can you be more specific then what reflections? Mark them down in Paint or something

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 11:03 pm

...seemed obvious to me !

Strykaas · Post by **Strykaas** » Sat Aug 18, 2007 11:05 pm

Kram1032 · Post by **Kram1032** » Sat Aug 18, 2007 11:07 pm

Sorry, that ALSO is a non-normal-smoothing thing.

Look into a faceted mirror, and it'll look the same.

You can use the Edgesplit modifier, to split SOME edges, and others NOT.
No other way to fix that.

suvakas · Post by **suvakas** » Sat Aug 18, 2007 11:41 pm

I think IOR is the cause of this.
Seems normal to me.
Lower the IOR and you should get less of those.

zsouthboy · Post by **zsouthboy** » Sun Aug 19, 2007 1:50 am

Normal smoothing.

Period.

You're an idiot for insisting otherwise.

Kosmokrator · Post by **Kosmokrator** » Sun Aug 19, 2007 2:26 am

+1 zsouthboy.....

Post by **OnoSendai** » Sun Aug 19, 2007 2:28 am

I think the straight edged reflections are caused by dodgy normals on the faces. I think your modelling program is spitting out crappy geometry

Rendering bugs on 9t3 ? See samples...

Rendering bugs on 9t3 ? See samples...

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