Is that alright ?

General questions about Indigo, the scene format, rendering etc...
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Gwenouille
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Is that alright ?

Post by Gwenouille » Wed Jun 25, 2008 9:36 am

Hi guys !

I've tried to produce a material for the Database, and i thought that a concrete texture would be a good thing to do, especially because i could use displacement mapping...

So i turned to these pictures from BbB:
http://www.indigorenderer.com/joomla/fo ... php?t=2641 to create that material:
Image
Is that alright to use BbBs textures ?
BbB are you ok with that ?

If you think this is not right, i'll erase the texture from my disc, I was just seing it as an exercise.
Otherwise, I'd be glad to upload it ...

What do you think ?

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Zom-B
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Post by Zom-B » Wed Jun 25, 2008 9:54 am

Only BbB can answer this, but your displacement maps seems to be messed up!

The idea of a Displacement Map is to displace the parts that are needed to, but you displaced the whole concrete, not only the details :/
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BbB
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Post by BbB » Wed Jun 25, 2008 10:22 am

Gwenouille
No problem at all man. They're here to be used and abused (and, yes, displaced too). Though, like my good friend Zomb, I wonder if this is the best material for displacement. Such a wall would be relatively flat. I think you're better off working with bump here and playing with the exponent channel (very important for good concrete).

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Behrendt
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Post by Behrendt » Wed Jun 25, 2008 11:10 am

Think so too, concrete walls aren't showing such big areas where displacement would be neccessary. But infact you're getting a slowdown due to subdivisions where they aren't neccessary. So I would stick to bumpmapping as proposed before.

Gwenouille
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Post by Gwenouille » Wed Jun 25, 2008 6:24 pm

Thanks for your (unanimous) advice !

I'll stick to bump-mapping then. it's been a nice try anyway: it was the first time i went into this xml files and tried to understand them.

BbB: thanks for this material !
I'll try to re-render it with a normal bump map today.

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