andehpandeh
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Point deform piece attribute not working
andehpandeh replied to andehpandeh's topic in General Houdini Questions
@ThisIsDolan thanks for the tip! But the goal here is essentially to deform the hi res hairs that have fine details from a lower res version of those same hairs, while retaining the id attribute. We need lower res curves for simulating since vellum acts veerrry differently when you change the resolution of the curves. @Aizatulin aw heck yes thank you!! 10/10 would ask advice again -
Cannot perform background render...
andehpandeh replied to 3dfreelancer's topic in General Houdini Questions
same, I saved my file before trying to save in background, still the same error! -
Hello, I'm trying to get a point deform sop to deform hi-res hairs by simulating lo-res hairs and using the point deform sop however the piece attribute is not working as expected. If I have a point id attribute on the curves, the deformation doesn't work at all. In the first image, I am deforming only 1 lo-res curve by using the id attribute as a mask. The second image is the resulting hi-res curves supposedly deformed by the point vop. I've noticed if I don't use the id attribute, the curves will deform properly however I need the piece attribute functionality since the hairs will be overlapping one another. Any ideas? pointDeformPieceNotWorking.hiplc
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Thanks Matthieu, any tutorials you followed for the ripping?
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another thing that helps with lowering bending is to scale up your geo (x100) before simming, and scaling it down after caching
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You sir are a gentleman and a treasure, thank you
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Hello, I've been having trouble trying to replicate the "copy parameter/paste relative references" process of referencing parameters from one node to another in python. I understand you can write an expression in the parameter like: evalParm('../box1/tx') but I'd like to be able to do this in the python source editor. This chunk of code copies the translate x from box1 and pastes the value into sphere1's tx, however it doesn't connect the two like the expression above does. boxy = hou.node('/obj/testGeo/box1') ball = hou.node('/obj/testGeo/sphere1') ball.setParms({'tx':boxy.evalParm('tx'), 'ty':0.55}) Essentially I want the parameters to be linked so that if I change box1 tx, sphere1 tx is also changed. Any ideas on what I'm missing to make that connection permanent?
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Fur glitching out towards center of the world
andehpandeh replied to andehpandeh's topic in General Houdini Questions
okay a few things to try when this glitch happens... 1. lower the decay influence in the hair gen node(I had mine on 10 and lowered it to 1, this fixed the problem) 2. disable the guide groom (the lift, cut, etc brush tool) inside the guide groom. 3. disable the partition guide node in the guide groom node. Also note that the guide partition node doesn't work on hair clumping, if you have hair clump nodes in your hair gen it will break the guide partition. The alternative to using a guide partition is to split the groom into different groups. -
Fur glitching out towards center of the world
andehpandeh posted a topic in General Houdini Questions
Hello, I've been having an issue with rendering fur in H18. As you can see in the attached image, the fur is glitching out and is transformed to the origin. There is no issue with the hair in the viewport but the problem comes up in the bucket as well as ipr render. I've tried turning off individual nodes in the hair generate node but no luck. If I create a new hair generate node the problem is fixed and If I revert to a much older saved file the problem is fixed but I'm hoping there is a simpler fix. Any ideas? Thanks.
