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jonah@jonahtobias.com

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About jonah@jonahtobias.com

  • Rank
    Peon
  • Birthday 08/28/1973

Personal Information

  • Name
    Jonah Tobias
  • Location
    Charlottesville
  • Interests
    Long walks on the beach
  1. Differential Erosion

    There's a lot more going on in that area contraction video. My guess is they're taking a base torus, filling it with particles, giving the particles a varying density attribute driven by voronoi noise, fading the density over time, converting those particles into a volume, smoothing the volume, and finally converting that volume into poly's. You can also use the vdb reshape sdf node to erode your volume and get a similar effect.
  2. image sequence as texture but then some

    Any way to do this in 2017? I would like to texture an array of planes each with a different still image. The images can be pulled from an image sequence or folder of images. Is this possible without building a separate shader for each plane?
  3. Best NPR ever

    Thank you tim, I spent most of the day yesterday trying to accomplish those few lines of VEX.
  4. Best NPR ever

    I built this simple outline effect which works pretty well. Better than I would have expected. However its slow to update in the viewport. Can any of you show me how to rewrite the point sop normal expressions (origin("","../../cam1", "TX")-$TX) into VEX code? That's where the normals are oriented toward the camera. VEX would speed this up a ton but I can't figure out the right vex. I also can't figure out how to delete only primitives who's normals are oriented towards the camera. quick outline5.hip
  5. Mr.

    Thanks Edward, you provided the key I needed to fix it. When I had the capturing in the same subnet as the rig everything got scrambled. Fixing was as simple as moving the nodes where the capturing occurred and pasting them outside of that subnet. It makes sense now that its fixed: I never want capturing to be moved or scaled once its set, particularly if the capture weights are based on distance from the bones, like it is here. Only the rig should be moved. Painted capture weights might not have this problem.
  6. Mr.

    No-one knows how to scale a rigged character in houdini?
  7. Mr.

    Hi, I'm new here, and to Houdini. I've modeled a simple character and rigged him but I can't translate or scale him except by his root null otherwise his skin goes crazy. I've attached the HIP file. I'm sure the fix is simple but its eluding me. Any help is appreciated. after scaling: guy 3d for od force.hip Thanks.
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