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Pixelisation with HDRi sky

Hello,

I'm trying to render a simple text in silver with just an HDRi image for the sky.

I used MtMonadnock.hdr file for the sky.

What we see is that the planar surfaces have a render which is pixelisated.

Is there a solution for that problem?

Thanks for your answer!

Regards.

F. Martin

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Permalink Reply by A Smith on August 30, 2012 at 7:06am

I had the same problem when i started, i believe it's because the metal is too shiny and it's a perfect mirror. so it reflects back the Hdri perfectly, while the other material doesn't.

Your HDRi image might be too small, you can get around this by getting bigger HDRi's or by making your model bigger.

Here are a few sites with bigger hdri's

http://smashmethod.deviantart.com/art/High-Res-HDRI-Map-Pack-1-9597501

http://zbyg.deviantart.com/art/HDRi-Pack-1-97402522

Here are some Huge Hdri made from zbyg expaned to be XL (I use these ones mainly)

http://forums.3dtotal.com/showthread.php?p=674264

Hope this helps

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Permalink Reply by Scott Davidson on August 30, 2012 at 8:17am

The larger HDRIs are a good solution.

Turning down the sharpness of the reflection a little will also solve the problem.

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Permalink Reply by Martin on August 31, 2012 at 12:10pm

thanks for your answer.

I tried high res image but it didn't work, so I reduced sharpness of the reflection and it gives good result, so that ok!

Thanks again.

Regards.

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Permalink Reply by Scott Davidson on August 31, 2012 at 2:11pm

I found that sharpness values of 0.99 work for this. What value of sharpness did you decide to use?

Pixelisation with HDRi sky

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