Pills in a blister pack

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beyer
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Pills in a blister pack

Post by beyer » Sat Aug 16, 2008 6:35 pm

Just after some feedback on this image. Does the blister pack or pills need more work, or should I start building a scene to go with it? And any ideas why the noise on the pills is taking so long to reduce?

I saw a few other blister packs here in WiP and thought I'd have a go myself.
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Zom-B
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Post by Zom-B » Sat Aug 16, 2008 7:26 pm

very nice pills you got here :)

Maybe your (diffuse?) pills have full white color of RGB 255, this reflects for diffuse mats so much light, that it takes long(er) to clear up... a oren nayar mat sigma 0.3 should do the job here, but take a max of 80% white...

on the edges of the blister pack some strange darkening is going on, maybe some more polys there would prevent this.
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beyer
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Post by beyer » Sat Aug 16, 2008 7:38 pm

Well spotted, I did indeed set the pills (Oren-Nayer) to full white. Nice tip regarding convergence, that's not something I would have figured out myself.

I think the darkening around the edges is due to having no background (so it renders as black I presume). I'll play with a background color. Edit: I just set a background colour, but the background still reflects as black. Hmmm.

Anyway thanks for the feedback, much appreciated.

beyer
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Post by beyer » Sun Aug 24, 2008 11:34 am

Here's another version, where I added a box and textured it. Unfortunately my environment map left everything looking a little washed out, so I think I'll try a pure studio lighting setup next.
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Borgleader
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Post by Borgleader » Sun Aug 24, 2008 11:38 am

For studio lighting, why dont you use Background color? very nice scene though :)
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beyer
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Post by beyer » Sun Aug 24, 2008 11:57 am

I haven't had good results with background color, did you have a particular example in mind (ie an example where someone used it well)? Thanks for the feedback :D

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OnoSendai
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Post by OnoSendai » Sun Aug 24, 2008 3:20 pm

Nice, I think you can, or already have, achieved photorealism in this scene.

beyer
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Post by beyer » Sun Aug 24, 2008 3:35 pm

Thankyou for the compliment :D. I think, however, it would be fairer to say your renderer has taken my simple scene and dragged it within touch of photorealism :wink:.

I've made a few more tweaks so I'll post again once it's converged.

beyer
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Joined: Sun Aug 10, 2008 4:22 pm

Post by beyer » Mon Aug 25, 2008 10:29 pm

Here's the final version. Final as in I won't spend any more time on it, not final as in there's nothing left to do. It turned out alright, but I think I'd be better off applying what I've learnt to another image as the mistakes are starting to show (normals not perfect, bump map errors at foil boundary, texture alignment issues etc).

Anyway thanks for the suggestions and encouragement all, it was very much appreciated!
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