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Found 8 results

  1. Issue advecting vectorfield

    Hey guys! Trying to figure out the whole custom vectorfield aspect of the pyro solver, but running into some issues.. I created a new vectorfield (Cd) under the smoke object, importing a Cd vectorfield that i want to use in a source volume node (replaced velocity with Cd to Cd as another forum post on here suggested). Then I added a gas advect field microsolver to the advection input of the pyro solver. With the multi checked on the visualization and Cd in for diffuse, I can see that the vectorfield is properly being sourced, but it doesnt advect by the velocity field for some reason, it just sits there. The gasadvectfield node should move the Cd by Vel right? I've found some good forum posts about this here, but for the life of me can't replicate the effect. Any suggestions / advice? Thanks! Cd_advect_v01.hiplc
  2. Hi all, does anyone know a good way to average an attribute such as Cd over time? Meaning, it would something along the lines of this - on a particular frame it would average the current frame with the one before and one after? I have a lot jittering in my Cd from one frame to next and I'm looking for a way to smooth that out. Thanks!
  3. Save Cd to Bitmap

    Sup guys, I've painted some stuff on an object and now I need to export this object to another software. I've projected UVs properly on it and now I'd like to export this data as a bitmap. I've found some info on sidefx forum saying this (on quote) but i'm quite new to shops and have no idea on what's going on there. Can anyone help me out with this, pls? My main doubts are: Should I do this in Shops? What is the Cf output? Use mantra -u option? wut? Thank you, /Alvaro
  4. Hi Guys, I have been trying to get my point's cd from a mesh with texture. I seen alot of method around that are using attribute promotes from vertex UV to points UV. However the UV I promoted are slightly off. I wonder if there's any way that I can use a vop to get closest surface texture's color info and project them to my point cd? Very much thanks and appreciate any help from you guys. I have attrached my file. texPoinntTex002.hip and the obj file (testAlembicCon.hip), just have to change the extension to.obj will do. texPointTex002.hip testAlembicCon.hip
  5. Hi guys i want to connect neighbours count to cd to create a tickness attribute , i can do that in ice easily but i confused to do that with neighbors in vopsop . could you help me please ? thanks
  6. Hi, I want to know if it's possible to have an object attribute outputted as file or in a ROP Net node. I have a 1024x1024 grid right now. Each point on the grid represent a pixel. This grid has many attribute and I would love to render a map of all these attribute. I know and tested to copy each attribute to the Cd attrib and render it. It works but I wonder if there is a simpler way. A node for instance that would not need a camera or would not need to copy the attribute to render to the Cd attrib. Ideally I would like to have a render node that renders the top view of an object given attribute. Thx! C
  7. Hi gang, I'm trying to assign different diffuse colors on geometry level instead of having a shader per object. But when I change from using baseColor on the mantrasurface to using point color (and no base color) I get very weak speculars. I've looked around in the shader but I can't make sense of this, what am I missing? base_vs_point_color.hipnc
  8. Hi, Try to use voronoi fracture in Houdini 12.5 but my scatter doesn't pick up my red color while im using Cd at bias 1 anyone?
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