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JJ FX

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About JJ FX

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    JJ FX
  1. Ok. So you need to increase the substeps of the dopnet source node, not the popsolver. That make sense actually thatthe substeps of popsolver are not valid outside of dopnet
  2. Hi, So I had this problem before but dont remember how I fixed this. As usuall.... Anyways when I increase substeps of popsolver I get that weird interpolation. It looks like houdini is confused when point count changes. I use another popnet as a source for the trails. And both popsolvers has the same substeps. this.hipnc
  3. addpoint, add attributes

    Yes yes yes exactly setpointattrib. Figured it out in the morning. But big thanks! No need for silly attr transfer sop now, so cool
  4. addpoint, add attributes

    Hi, So I have some code in a wrangle, that ends with addpoint(). Everything is nice and dandy. But now I think I want some attributes to copy onto new points. There is addattrib() function but im not sure how to make i@branch = @ptnum; if (addpoint(geoself(),pos)) { addattrib(geoself(), "point", "branch", 999 } So this ofcourse does not do what I want. It just overwrites @branch to 999 for every each point that I managed to addpoit(). And what I want is: for every new addpoint() do addattrib().
  5. Hard edge detection

    Ha. group SOP can do exactly that what I was thinking. great:)
  6. Hard edge detection

    Hi, Can I somehow detect hard edges in H? Would be super owesome if I group the hard onces and then just bevel. Is there any SOP for that ready to use?
  7. Hi, How to convert houdini volume to VDB volume? I only need density, I dont need surface in VDB EDIT: 2mins later.... Ofc... convert VDB. I thought it was not working before but restarted H and works now. Btw can I somehow delete posts?
  8. Invert volume

    Hm... yeah right.
  9. Invert volume

    Hi, How to invert volume? What I want to have density = 1, where it is 0; and density = 0, where it is 1.
  10. Remove inside faces

    Yeah I know that. But Im already blasting some pieces. That gives me not only inside and outside groups. Here is a screenshot. Red is inside group. And what I want to blast is the geometry thats between those pieces.
  11. Remove inside faces

    Hi, I need to do some detail on a mesh, but the scene getting slow. And I was wondering, can I somehow remove inside faces, like in an example file? Removing would probably speed up my scene. remove_inside_faces_v01.hipnc
  12. random color by "iteration" attrib

    Thank you!
  13. Hi, So inside for-each-loop in a wrangle i want to set the color, but this does not work, generates zero values: @temp = detail("../foreach_begin1_metadata1", "iteration", 0); @Cd = rand(@temp); Looks like I dont know how to get the iteration detail attrib. tried in different ways but always gets zeros.
  14. Hi, How can I copy a piece (packed or not) to a point per attribute? My example shows what I mean. I dont care if the pieces match after beeing copied. I mean it would be nice, but it does not have to work. What I need is just a single piece unique per point. And copy the points after the loop. Unless somehow copy inside a loop, that would make sense. Yet somehow Im not sure how to do that. EDIT: Jeeez, TRANSFORM PIECES! I dunno, Im tired I guess. Or maybe too much butter... Sometimes my brain is working so slow... Like asking how to extrude.... copy_piece_per_attrib_v01.hipnc
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