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Everything posted by Jimbo55

  1. Hello, How do you render multiple redshift Rops? There are several ways to do this with mantra nodes, but none of them seem to work with Redhift nodes. Thanks.
  2. Hello Houdini community, I was wondering if anyone had had the idea of using the new oceans tools to do sand effects. I am trying to figureout the best way to set up an object in a vast desert that is rising up through the sand. A number of years ago I took Spencer Leuders class on CG workshops using fluids and one of his classes used vops to manipulate the fluid to behave like sand. My thought is to take a similar approach but do it to a flip tank with an object rising from underneath the sand. This is how I think it should be setup, but don’t know if it’s the best way to do it. I would love any tips. Thank you guys for your time. Object rising.mov Ocean_Sand_v01.hip
  3. Hello all, I am trying to figure out how to create a procedural shader that looks like sand (Applied to geometry, not particles) Are there any posts that you guys can point me to that would help me know where to start? Thank you Sand shader for dunes_v01.hip
  4. Hello, I am trying to figure out how to achieve making normal rotating much like exsample_1 but around an entire shape like in examples 2 and 3. Any input on options would be great. Thanks in advance. Normal Directions With Geometry.hip
  5. changing the normal directions of a shape

    This is perfect. Thank you again for this.
  6. changing the normal directions of a shape

    I Think I figured it out I used your concept and applyed the normals that I created with the attribute transfer sop Thanks for your help!
  7. changing the normal directions of a shape

    Thanks f1480187, That's kind of what I was going for, but along the lines of the following image.
  8. Hey Guys, I posted last week about how to offset primitives randomly in the x axis. http://forums.odforce.net/topic/25619-offset-random-primitives-in-the-x-axis/ Now I am trying to do the same effect but with solid objects, or fractured geometry. I have it working but the geo is being sheared as it is moving. I am wanting the geo to not morph, just move. any suggestions would be great. Thanks. Offset_geo_chunks_Random_x.hip
  9. Offset random voronoi pieces in the x axis

    Thank you Tomas! This is what I was looking for.
  10. For Each Loop to effect size

    Hello I am trying to effect the size of each piece of geo in the following image. I want each piece to be a random size, I feel like I'm almost there but am missing a bit of Hscript to do it. Any input would be great. Thanks in advance. For_each_Size.hip
  11. Hello, I'm trying to offset random primitives along the x axis of a object. I have a setup of how to do it in a For each loop, but whats not as clear is how to do it in vops. Is there a way to separate the P attribute in VOPS to only effect one axis? Offset_Random_x.hip
  12. Offset random primitives in the x axis

    Thanks guys. This is extremely helpful.
  13. For Each Loop to effect size

    Thanks Jrockstad This helps alot! Where did you pick this up? I've found plenty of info on how to use the copy sop with stamp functions but not doing this within a Foreach loop. Thanks again.
  14. For Each Loop to effect size

    That would be great. Thanks jrockstad!
  15. RBD object to Cloth sim

    Hello Houdini users, I am trying to figure out how to attach a RBD object to a cloth sim. I am wanting to attach the object to the cloth so that it is weighing it down as the cloth rises. Hip and mp4 attached. Thanks for any input. Attach_RBD_to_Cloth.hip RBD_object_To_Cloth.mov
  16. RBD object to Cloth sim

    I may have figured it out. Here is the latest on what I'm trying to do. Got to figure out the twitching now. Any comments would be appreciated. RBD_object_To_Cloth_v2.mov Attach_RDB_to_Cloth_v1.3.hip
  17. sand erupting

    Hi Guys, I am trying to emit sand and have it grow on the ground. When I'm emiting sand for some reason the particles erupting from the top. I am also trying to have a static object come through the emited sand after 200 frames. I've messed with the substeps but whats odd is that the more substups I have the more explosive the sim is. Any thoughts would be apreciated. research_Sand_on_Ground_v01.hip
  18. Hi Guys, I am trying to copy stamp stairs to a curve and have each stair pointing to the next point on the curve. For some reason I can't get it to work. Any thoughts would be apreciated. Modeling stairs.hip
  19. modeling stairs using the copy sop

    Thanks Robert!
  20. sand erupting

    Thanks Farmfield. I was wondering what that feature does.
  21. Hello, Will using a fresnel/refraction pass and using this in compositing, be faster than rendering the refraction in my beauty pass? My thought is yes, plus I will be able to control just how strong the refraction is in comp(nuke). Any advice would be appreciated. Thank you for your time. -Jim
  22. Hey Marty, I plan to. I'm new to this particular pass and was just curious if there were any disadvantages or advantages to this approch. I'll let you know the verdict. Thanks.
  23. Sand effects (Static to Dynamic)

    Hello Houdini Users. I am trying to have a static sand object slowly become a dynamic object, much like the begging example in this video. https://www.youtube.com/watch?v=9-mGIl5kekk&spfreload=10 I’m trying to group the particles overtime and having that group being effected be gravity/becoming dynamic. Any tips would be appreciated. Thanks. -Jim Sand_v01.4.hip
  24. Sand effects (Static to Dynamic)

    Thanks Sergio! This is great stuff.
  25. Sand effects (Static to Dynamic)

    This is great! Thank you so much Sergio! I just have one last question. What if I wanted to animate the static to dynamic? I'm having trouble finding where I have it evaluate the incoming source every frame. Thanks again for your help. -Jim Sand_v01.5_animation.hipnc sand_animated.mov