Black eyes
This is a new one, but then there is always something with Daz and rendering. For some reason the eyes of a character have turned black...so the white parts are black and hte corneo and pupil are also darker. Never happened with this character before. Any ideas? They look fine in the preview, but turn dark when rendered in iray.
Post edited by Deke on
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Comments
Several possibilities. First, check that the Max Path Length under Optimization in the Iray render panel is either -1 ("unlimited") or something higher than about 7 or 8.
The other possibility is something might have happened to the shaders used for the eyes. On G2F, for example, there are four or five layers that make up the eye, and incompatible shaders for any one of them can cause a range of issues, including black eyes or exessive fireflies. One possibility for black is the Refraction Weight and Index values got out of whack. Best to re-apply the shaders (most people use Water-Thin or Glass-Thin) and check the results.
Thanks for explaining that, as for the very first time eer I've ran into something similar, last night actually. I've been trying to correct it today, but with no luck, I finally gave up a few hrs ago. My problem is very similar but it involves what seems to look like the upper and lower eye lashes. They look like really broad black bands. When I first placed the character in the scene, she was fine. Later after clothing her, then posing and adding lights et al, I noticed the eyelash thing. Any ideas what does this?
The shadowing for eyelashed has been reported as a bug. If it isn't already, try (at least as a test) moving your character to 0,0,0. Reposition the camera/lights accordingly, and try again. If it goes away, it's this bug, and it's nearly impossible to get rid of without major scene changes. Version 4.9 may have it fixed. I haven't tried, and am waiting for the second beta before installing.
I've had this problem and it's literally been that the opacity map has simply forgot the place itself in the opacity cut out, worth a look if just in case it is the same issue.
Thanks for the info. I'll check into those two things.
Moving the character to 0,0,0 is what worked for me. But I see Tobor already made the suggestion. At any rate, the bug is still present in 4.11 and 4.10. I'm very new to Daz3D and so I was using 4.11 when I first noticed the issue. Then I just thought it was too soon to be using 4.11. So I opened up the scene in 4.10, uninstalled and reinstalled the character, and still had the problem . . . until I moved the character to 0,0,0.
We assume it's an Iray issue.
Ah, we should have a talk with the Iray people.
Still a thing in 4.12 :(
I zeroed my character's position, as suggested by Fvtron, and this worked.
Instead of reconfiguring/adjusting my scene, I moved the character back to the prevoius position.
I then parented everything in the scene to the character and then zeroed the character again (moving the scene with it) .... no more black eyes! :D
Thank you! Work smarter, not harder...
I'm having the same problem with black eyes on a Genesis 9 figure, Blacked out eyes no matter what I try.
Setting the figure to 0,0,0 may or may not work. I haven't gone there yet BUT that's the thing. 0.0.0 reests it back to the default pose.
If I get it back to the pose I want, won't that put me right back where IO was? What's the point?
I've been fighting with this for two days now and I'm about to give up on it.
I've been desperately trying to fix this problem for over 3 days now with no results. Setting the figure to 0,0,0 does nothing. Going into the control panel of the computer and making some changes did nothing. Adjusting the Max Path Length to your suggestions did nothing. Rebooting the computer did nothing.
I cant find Refraction Weight and Index Values. anywhere. I even did a search. Apparently this is another feature my version of DAZ does not have, (This is why I stopped bothering with tutorials. They don't do me any good because they want me to click on things that simply are not there. All I've learned to do was on my own with a LOT of trial & error). I spent about two hours trying to find it and gave up.
Having the same issue, has anyone found a fix?
For me the fix was to first move everything back to the origin, and then to increase the parameter Max Path Length from 3 to 5, in Render Settings/Optimization. I think 3 is not enough to get the light to go through glass/translucent textures, including the eyes. By default it's at -1, which means infinity, and some guides suggest to set it at 3 for really fast renders. Fast renders are cool and all, but black eyes are a very visible side effect.
Looking back it's possible I didn't need to move everything back to the origin though.