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Everything posted by hindukush

  1. Pyro avoid color blending

    Hi everybody! I'm working on a soap bubble effect. The result using 2d pyro is pretty good but i would like to avoid color blending.Like would be if was pops sim. Both results are attached. Ty in advance! Carlo
  2. Pyro avoid color blending

    Thanks man! Im not skilled enough to get what you did there:-(Where do you feed color in that volume? And also can't find that example file...ty again..and sorry for noobness:-) Carlo
  3. Pyro avoid color blending

    Yes, in your example i see much less blending.May you try to add rgb colors and see if it works properly? How did you acheive that? Thakns alot! Carlo
  4. Pyro copy Cd field from previous frame (SOLVED)

    With furter inspections i found the issue.Is the OPNECL, enabling it in the sim gives that problem in the advection of Cd.Using the gas advect field bypass that.In fact using OPENCL in the gas advect field too make the issue come back again.
  5. Hi everybody! It is possible to copy Cd field from previous frame in a pyro simulation?I'm doing a 2d fluid sim and somehow the i have yellow color wich keep accumulating.Maybe copy color from prev frame solve this. Thanks in advance. Carlo
  6. Pyro copy Cd field from previous frame (SOLVED)

    Hi! Ty for the reply!Finally i managed it with a gas advect field.Not sure why otherwise was't working.But now is quite perfect.I just would avoid color blending but not sure if is possible. Carlo
  7. Rbd subfracturing

    Hi everybody, i'm tryng to subfracture some rbd pieces created with the rbdMaterialFracture node. Like the big chunks in this video. How can i create constraint between the subfractured fragments?I think i'm missing something about the new rbd set of tools... Thanks alot, Carlo -EDIT- I FINALLY SWITCHED TO CLASSIC RBD INSIDE DOP NETWORK..OLD SCHOOL METHOD LOOKS LIKE WORKING......ANY SUGGESTION ABOUT RECURSIVE FRACTURING WITH THE NEW RBD SET?
  8. Whitewater artifacts

    Hi everybody, i'm facing some weird artifacts in whitewater when increasing guided ocean particle separation to 0.01, if i use 0.02 everything works as expected. I did also try to play with whitewater resolution but no change in that artifact.
  9. Powder splash

    Yeah!it works just perfectly!!:-)))))
  10. Powder splash

    Hello forum! I need to create a powder splash, so the powder behave like water creating a crown. I did try a straightorward approach just converting flip particles, the look is ok but the "id" of every point change in time so the random pscale make the scale of each point change each frame. I also created extra powder emitting from fastest point some more particles. Can anybody suggest me a workaround for random pscale and maybe a more elegant overall approach to this? Thanks alot! Carlo
  11. Powder splash

    Hey Librarian, yes exactly! i think going to use pop fluid instead of flips for this one.With point replaicate to add density...let's see:-) C.
  12. Polygon from vdb topology problem

    Sorry my bad..didn't thank you!! Ill do it now!! Thanks alot for the tip!!
  13. Hi everybody! I'm facing issues when meshing a vdb, i have a dirt blotch on a cloth, the cloth is moving, the blotch is obtained converting a point cloud to mesh, of course the blotch while moving is changing topology,and..my bad...is flickering in time.. There is a way to freexe the topology at frame one..or some work around to make the blotch more stable? Thanks alot! Carlo
  14. fluid object mesh

    SOLVED!!! I did wrote the dop mask wrong...the correct is `dopobjscreatedby("/obj/AutoDopNetwork/fluid")` GHGHGHGHG
  15. fluid object mesh

    Hi everybody, i have a little problem, i'm setting up a fluid simulation using the fluid solver, i have to export the simulated geo, but using the dop import i can only visualize the emitter and the collsion geo and not the fluid mesh, any idea? Thanks alot! C.
  16. Pop rotation connected to accelleration

    Found this thread on the forum
  17. Hello forum! I have a basic question, how do i set particles rotation to be linked to accelleration?i can't find the rotation node, did they move it?(http://www.sidefx.com/docs/houdini/nodes/pop/rotation.html) Thanks alot! C.
  18. Dirt geo erosion

    Solved with noise on points to create groups, than animated the noise attribute to make it grow.
  19. Dirt geo erosion

    Hi everybody, i'm looking for a way to erode a dirt geo on a cloth, i have try with the solver making grow an attribute used to delete points, and thand convert the remaining points to vdb and than to geo. It works with a still geo, but if i use a cached one it uses only the first frame.There is some other method to make the erosion grow instead the solver?there is any workaround for this problem? Thaks alot!! C.
  20. Filaments behaviour

    Hello forum! I have a little question: how to avoid filaments to stop, or to let them stop later? i can't figure out how to make them conserve the motion without affect the emission speed.There are not many settings on the sourceFilaments node. Btw is something is possible to see also in the example scene about filaments in the docs. Cheers, Carlo
  21. Smoke attracted in a sphere

    Hi everybody, i'm tryng to acheive an effect where a volume dissolves in smoke and than the smoke is attracted in a sphere, possibly colliding with it...i'm at a good point, i have the volume dissolving and tested two methods for the attraction, but is not exactly as good as it should be. Method one is to create a field force with the sphere and give it negative value, this is good, but no collisions and also no control over the final shape. Method two is simply using the attract fluid, but in this case i can't shape the smoke around the sphere, only make the smoke move in the sphere direction, like an aim. There is any solution wich can give some control over the final shape and the attraction speed? Thanks alot Carlo
  22. Smoke attracted in a sphere

    Thanks alot! Opening the scene to give a look!
  23. Fire stripe on sea

    Hi everybody, i need a little hint on how set up a fire simulation.I have to create a fire stripe traveling on the sea. What i need is to create a fire stripe with faded head and tail, something like the picture attached, but the shot will be from the top. Since i will leave the stripe still in place and move the plate behind it i will animate the stripe to give some snake like movement, or dragon like..i prefer:-) Here the question...how can i drive the fuel with a ramp? Volume vop? Thanks alot! Carlo
  24. Fire stripe on sea

    You are a king! Thanks alot!
  25. Flower growth

    Thanks alot!!Exactly what i was searching for!!! I will give a look to the file tomorrow !!! H.