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Iray and height maps

Posted By raxel_67 Last Year
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raxel_67
raxel_67
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Has anyone here tried to render a frame using heightmaps and  ibl or sky? In my case i can't render them together because the terrain is super shiny and over reflects the sky, no matter how i tweak the materials it comes out as if it had an almost black roughness map on top of all the materials, like some shinny coating?

Will post a picture tomorrow because right now i'm rendering and still have like 100 frames left
animagic
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I ran into that as well, and what I did was adjust the parameters for the Iray material of the terrain.

Select the terrain and then the Iray Render option, Material section. The four material maps of the terrain will be listed as Map01, Map02, Map03, Map04.

https://forum.reallusion.com/uploads/images/845804cc-0f77-4f21-bcd4-740d.png

If I recall correctly, the Roughness multiplier was much higher than 1.0.

In the sample render below, I use IBL and a sky. Apart from one directional light, IBL is the only lighting.

https://forum.reallusion.com/uploads/images/ff2957cb-ca0b-4047-88f6-edb2.jpg

The road is part of the terrain and was particularly tricky to get right.



https://forum.reallusion.com/uploads/images/1a09220f-ab50-42ac-ad1a-33ec.pnghttps://forum.reallusion.com/Uploads/Images/d14339d0-cd32-4b35-88f9-40a0.png


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Last Year by animagic
raxel_67
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I'll be damned, can't reproduce it anymore, i guess i found a one time only bug.
raxel_67
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Aha! here it is: