There are so many bug with Houdini's hair that surprised me.Houdini 's extrude and blend Method is the default option, but static modeling can only be used.
Hey jsmack,I tried,but guidedeformer is too slow.
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Technical Discussion » Post vellum hair Problem —— hair clump makes the hair rotate abnormally?
- nausicaa
- 6 posts
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Technical Discussion » Post vellum hair Problem —— hair clump makes the hair rotate abnormally?
- nausicaa
- 6 posts
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Unfortunately, although hairclump in the ball rotation test is better than hairclump::2.0.
But on very complex hairs, hairclump's hair rotation error is much more than hairclump::2.0.
But on very complex hairs, hairclump's hair rotation error is much more than hairclump::2.0.
Edited by nausicaa - 2020年8月4日 21:46:58
Technical Discussion » Post vellum hair Problem —— hair clump makes the hair rotate abnormally?
- nausicaa
- 6 posts
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Thank you for your help, I believe I have learned a lot from it.
I haven't submit this bug.
I haven't submit this bug.
Edited by nausicaa - 2020年8月4日 21:47:07
Technical Discussion » Post vellum hair Problem —— hair clump makes the hair rotate abnormally?
- nausicaa
- 6 posts
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I have been using vellum to simulate hair. After I have simulated the hair, I found that the wrong hair appears on the correct guide line, and the hair rotates strangely.
So I started a test
First I create a sphere, and create a guide line from the sphere, after using guidegroom and guidedeform to create the necessary attributes and adding animation, then in a new geo, I use hairgen and hairclump to create hairs and tie the hairs together.
Then there is a problem with hairclump! Rotate the sphere, the hair will rotate abnormally.
It seems to be related to the tangent attribute of hairclump.
Changing the shape method from ‘extrude and blend’ to ‘linear blend’ can solve this problem, but I don’t want to do this because it will change the hair styling. Is there a better solution?
File is
So I started a test
First I create a sphere, and create a guide line from the sphere, after using guidegroom and guidedeform to create the necessary attributes and adding animation, then in a new geo, I use hairgen and hairclump to create hairs and tie the hairs together.
Then there is a problem with hairclump! Rotate the sphere, the hair will rotate abnormally.
Image Not Found
Image Not Found
It seems to be related to the tangent attribute of hairclump.
Changing the shape method from ‘extrude and blend’ to ‘linear blend’ can solve this problem, but I don’t want to do this because it will change the hair styling. Is there a better solution?
File is
Image Not Found
Edited by nausicaa - 2020年7月31日 08:48:34
PDG/TOPs » Geometry attributes inside TOPS
- nausicaa
- 6 posts
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PDG/TOPs » Geometry attributes inside TOPS
- nausicaa
- 6 posts
- Offline
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