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philpappas

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About philpappas

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    philpappas
  1. Group according to attribute value

    how would you convert every primitive attribute to each own group? if you have lots of them
  2. i am trying to run over named primitives, but the for each loop seems to pick randomly for each iteration which batch to process. i want the loop to respect the sorted primitives and run over each named primitive as it is in the geometry spreadsheet. How does it pick the first batch for iteration number 0? can i change that? image 1 is before the loop,sorted primitives image 2 is inside the loop with a single pass to see iteration 0 As you can see the first batch the loop chooses to process is not the first batch as sorted before. First batch should be the one named color_229_229_0
  3. render unconnected frames at once?

    Something is not working with houdini 17 C:/PROGRA~1/SIDEEF~1/HOUDIN~1.416/houdini/vex/include/physicalsss.h: Using uninitialized variable: nmax (247,26:29) C:/PROGRA~1/SIDEEF~1/HOUDIN~1.416/houdini/vex/include/physicalsss.h: Using uninitialized variable: dist (247,46:49) C:/PROGRA~1/SIDEEF~1/HOUDIN~1.416/houdini/vex/include/physicalsss.h: Using uninitialized variable: nmax (249,21:24) C:/PROGRA~1/SIDEEF~1/HOUDIN~1.416/houdini/vex/include/physicalsss.h: Using uninitialized variable: dist (253,57:60) A head-light was automatically added to the scene. If the soho_autoheadlight parameter cannot be found in the Objects tab, add the rendering property to control this behaviour. render_frames.hipnc
  4. Render specific frames

    i am trying to render out specific frames from my timeline, can this be automated and saved out to disk? i would like to have control over which frames exactly or control via a pattern, for example per 10 frames render
  5. For loop expression

    thanks that fixed it!
  6. For loop expression

    yes here, i've uploaded the part i am trying to fix i want to divide the base_val detail attribute every iteration test.hip
  7. For loop expression

    problem is when inside the for loop, btw i am using the nodes not vex, for some reason i cant access the detail attribute from outside the loop. i am using this expression inside a parameter field detail("../nodename/", attributename,0);
  8. For loop expression

    Hello, i trying to do something simple but i am knid of new to houdini so i dont know the tricks yet. i have a float number in a for loop that i want to divide by two every iteration. What is the appropriate expression for that?
  9. Resample Curve by N attribute

    yes tried that, also tried the reifne sop, not exactly the effect i was going for, but it works. I think it requires more local control, imagine you did this by hand, and you had to make this curve jagged while retaining its features, so to make it more like what a hardsurface panel would look like. the two methods mentioned produce the result in the image below
  10. hello, i have a curve in 3d space with an organic shape and i want to resample it so it becomes jagged but maintaining its features. So i was thinking i should compare the tangent value of each point with its next one and if the difference is big it means the curve is changing direction so i keep that point. If there is no big change in direction i remove points. But i have no idea how to implement this in Vop or Vex, i am new to Houdini. Any ideas?
  11. i am trying to change the value of Polybevels filletshape (round, solid, crease etc) through HScript, this is how far i got. if(ch("../thickness")*2 < ch("../basebevel") || ch("../basebevel") < 0.16), "solid", ch("../filletshape")) it doesnt work though, what am i doing wrong? btw chs does not work for this ordered menu. even when i am pasting relative references from another Polybevel node filletshape menu. i suppose it expects the index of the item?
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