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The Official Reality forums • Daz Studio vs Reality IBL rendering
Page 1 of 1

Daz Studio vs Reality IBL rendering

Posted: Thu Apr 19, 2018 10:10 am
by KrollMoll
Hi everibody,

Why DAZ and Reality doesn't give the same render when using a single IBL light (with all standard options)

Re: Daz Studio vs Reality IBL rendering

Posted: Thu Apr 19, 2018 1:06 pm
by pciccone
That is the key of using a another renderer. If two renderers reacted in the same way they would be the same exact program. So, in this case it's entirely likely that LuxRender gives the more accurate image.

Re: Daz Studio vs Reality IBL rendering

Posted: Thu Apr 19, 2018 1:24 pm
by fuzzy70
For a start the exposure settings are different between the "Defaults". Not all IBL's are created equal with their GAMMA settings so one renderer may prefer a different gamma to another. Not only that but there are numerous modes to Reality/Lux such as Accelerated etc which will give you differences in render output also (same with Daz as 3Delight will be different to Iray).

Between all the above options you will never get 2 identical renders out of the renderers as like Paolo said if they reacted the same way they would be the same exact program.

Regards

Lee

Re: Daz Studio vs Reality IBL rendering

Posted: Fri Apr 20, 2018 7:12 pm
by sigstan
I think the issue has nothing to do with either lighting or IBLs.

It is actually an example of the geometry issue that Rivaliant has recently raised in another thread (it was also raised years ago in the old forum). I'm pretty sure that the scene will display correctly, if the cube primitive in the scene is created with "Create New Primitive" -> Cube -> Options -> Divisions set to 2 instead of default 1.

This increases the number of faces, but seems to allow Reality to perform a correct export, which is not the case for the default version. This issue was introduced with the Reality 4 version and was not present in Reality 2.

But feel free to try it out, KrollMoll and let us know the result.

Re: Daz Studio vs Reality IBL rendering

Posted: Mon Apr 23, 2018 7:07 pm
by Rivaliant
yea if you turn the camera to where the cube is facing more to the right of the camera, you lose the face all together to the black 'error' the missing normals which is the angle you're presented with here

If you turn the camera or cube for that right most face to face the camera, you'll get a better look at the missing normals

Re: Daz Studio vs Reality IBL rendering

Posted: Tue Apr 24, 2018 11:15 am
by KrollMoll
Hi Sigstan,

Yes you are right...
I did diffeent test render with cubes with respectively 1, 2, 5 and 10 subdivisions and except for the first one, the "black" face disappears.
But there is still a kind of different ghost light for each different subdivision?

Re: Daz Studio vs Reality IBL rendering

Posted: Tue Apr 24, 2018 6:10 pm
by sigstan

Re: Daz Studio vs Reality IBL rendering

Posted: Tue Apr 24, 2018 7:08 pm
by Rivaliant