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Eyelash Shadow In Unreal

Posted By cinemyscope 5 Years Ago
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cinemyscope
cinemyscope
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Hi,
Let me say upfront I am very new to UE4, to Character Creator, to iClone, to Daz, etc.  My interest are Cinematics.  I successfully moved a Daz character to CC3/iClone and used their UE4 plug in for import.  My problem is that the eyelash geometry (I guess the alpha mask) throws a shadow in the shape of the invisible geometry.  The hair also doesn't look right, which I assume may be due to a similar issue.
I tried to find a solution for this but the imported node tree for the eyelashes alone looks daunting for a newbie.  I've searched google to death and even though I found some others with the same problem I really haven't found a solution online.  I'd really appreciate any help!  Just please word it so a novice can follow:)
I'm attaching an image to illustrate.
Thank you!
https://forum.reallusion.com/uploads/images/ae97296a-f793-4c89-9188-f1c2.jpg

3dtester
3dtester
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Hi, welcome to the forum :)

Can you please show the eyelash material? Click on the magnifier icon right next to it, then double-click the material in the browser to open it.
Here is a screenshot of what it looks like for one of my characters. I've expanded the base color and opacity sections.

https://forum.reallusion.com/uploads/images/89128010-3a83-4300-bce8-393c.jpg

PS: i'm not an expert. I could only imagine where the problem lies, although i don't have a direct solution already...





cinemyscope
cinemyscope
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Thank you so much for trying to help!
I'm attaching the screen grab and a couple others.  You can see that the ball the eyelashes are on casts a hard shadow in my instance whereas yours does not.
Once again Thank you!!https://forum.reallusion.com/uploads/images/7e3f2c9a-270f-4e74-9c78-6f49.jpghttps://forum.reallusion.com/uploads/images/abfc9ebe-e5d9-4fc7-8c3f-d3a4.jpghttps://forum.reallusion.com/uploads/images/cf944515-5671-49b9-8575-3173.jpg
3dtester
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This looks like your opacity map is inverted.
Could you show the base color map as well?





cinemyscope
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The base color is a solid brown square.  I'm attaching it.  Thank you!!!https://forum.reallusion.com/uploads/images/28e9503c-8292-443b-864f-b28a.jpg
3dtester
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Seems that the problem is located somewhere before you are importing to UE4.
Since you said it happens with all characters. How does the material look in iClone?
I mean, the solid color diffuse map and the inverted opacity map is just not what i would expect seeing there.






cinemyscope
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I'm attaching a frame grab of the same model in iClone.  Also note the difference in the hair.  The textures seem to be the same.  This character originated in Daz and I'm trying a workflow test before committing to buy the package.  I've been trying so many different variations that I'm now careful with how many times I can export an FBX.  iClone and CC are limited to 15 and I really hope to have a solution before buying.
Once again Thank you for taking the time!https://forum.reallusion.com/uploads/images/cc906486-89d9-46cf-ba47-60a1.jpg
3dtester
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Ok, i also have some characters that have their eyelashes that way. Let me try it.





cinemyscope
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I can't thank you enough for taking the time.  Thank you - truly!
3dtester
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Unfortunately i have to say that it works for me.
The eye lashes also have a solid base color and an opacity map like yours.
i will try it with another character tomorrow.







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