Forums Houdini Indie and Apprentice Hair Gen Issue

Hair Gen Issue

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GianniPampagnin
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1 posts
Joined: 3月 2018
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Hello,

I'm a beginner on Houdini and while i was following a tutorial i had an issue. My hairgen node stopped working and i don't know how to resolve it. In my previous scenes the issue isn't there.

Here's the error :

Error
Invalid source /obj/MODEL_GEO_groom/groom/hairgen1/hairgencore
Warning: Position input doesn't have a rest attribute.
Using P instead of rest for all inputs.
Error: Invalid skinprim attribute values found on guide curves.
You can create correct values using a Guide Skin Attrib Lookup SOP..

I have linked the scene with the error (V11) and a scene with no error (V9)

Thanks!

Attachments:
SCENES.zip (11.4 MB)

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gordig
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Joined: 9月 2019
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Did you ever resolve this issue? I'm having the same problem now, so if you or anyone else can tell me how to solve it, it would be greatly appreciate.
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simchron
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5 posts
Joined: 2月 2015
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Hey there,

to solve this issue apply a rest node to the guides before the hairgen. To generate new skinprim attributes also insert a guide skin attribute lookup. This should be it.

Cheers
Ray
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risola
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4 posts
Joined: 6月 2020
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Having the exact same issue here, adding a rest and skin attribute lookup before hairgen doesn't solve the issue on my
end.

Image Not Found

Attachments:
skinprim_error_scene.7z (3.0 MB)

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2002swarup
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Joined: 4月 2022
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iam having this issue while generating hairs the guides are above the head then also my hair gen is generating hair inside the head here are some attachment

Attachments:
Capture2.PNG (520.1 KB)
Capture3.PNG (711.1 KB)

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riccardo.colombo980
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1 posts
Joined: 9月 2024
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Hi guyz ik is stupid but i was having the same issue and i had disconnected the guide groom node from the principal geo node!!!
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