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Found 8 results

  1. Hello guys, I found a lot of topics on this and no one seems to solve the issue but i think it might not be impossible I have this ripping cloth with and extrude node at the end, so it's changing it's point count and consequentelly every point number is also changing. Is there a way to add a unique and persistent ID to every point, creating new IDs for the new ones? Odforce.id.hiplc
  2. Hello everyone, Hopefully, someone can help me with this one :-) I do have a bunch of particles flying upwards and creating a trail of points behind them that i connect as polylines with the trail SOP. (see attached image) Then i scatter some points on these lines. These new points inherit the id of the original particle and what i would like to to do is to use these id's to control a nearpoints function in order to connect with the nearest points except with the points that have the same id (basically i want to connect with those points that are not in the same line as the point that searches i attach a file and an screenshot of what i have so far Any help would be really appreciated! cheers!! connecting just to other lines.hipnc
  3. hi there, (this is a more precise question that the one i made before) I am trying to search for the closest points with different id and then connect them :-) Basically, every single point should be able to connect with other 2 or 3 other points max but avoiding points with same id (so no connections with the points of the same curve) see attached file and screenshot of what i got so far many thanks!! :-) connecting just to other lines.hipnc
  4. Delete particle

    Hi, I'm a student learning houdini. I'm working with particles and I want to delete just few of the points that I choose. I tried to use particle ID but because of the life expectancy variance, the id keeps changing and I couldn't delete the point. So, for the same reason delete SOP doesn't work too. (It only gets deleted in the specific frame which I selected the point) Are there any resolutions of deleting particles that I want to delete? I've also seen an example hip file in odforce that uses 'for loop node' in VOP but I couldn't try that way because it doesn't work in houdini 16.
  5. Hi! did anyone experience the same issue? I imported an Alembic file with different face IDs to Houdini. But when I export it back via Alembic just for testing the ID grouping is basically right, but they don't have the correct order/ID… , they are randomly distributed. I cannot see any pattern. It's neither alphabetically nor based on face count. My node tree consists of: Alembic Import Node –> ROP Alembic Output. On the left side you see the original mesh with correct Material ID order and on the right side the imported Mesh with the wrong material order. Does anyone has a solution for this? Thanks in advance!
  6. Particle trail length

    Hello, its my first time posting here. I am using a particle network to generate trails using the trail SOP. In that trail SOP, I would like to give each trail a different length but I have no idea how to do it. Thank you all. particleTrail.hipnc
  7. Arnold objectID

    Hi, I'm trying to render with objectID aov in Arnold. I haven't used AOVs yet, so I'm a bit confused and the arnold doc is very meeeh about that. Do I have to make shaders for the aovs ? How do I set an ID to an object, or a group ? I'm still trying out ... but any info would be great.
  8. Hello guys, I work whitewater for splash. I made a whitewater source particle. I want high velocity pariticle delete. So I made a high velocity group made. However, The pariticle are removed from the group while slower speeds. For example is parabolic movement. But If I want to continue to maintain, including once in the group based on the ID. I try it use sop solver. but point count changes does not work. Is there any way what? Many thanks, Hyungi Jeon.
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