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Found 4 results

  1. Hello! Sory for my English I'm trying create geometry with AttribWrangle node in Detail mode. I use addpoint, addvertex and addprim nodes. When I created some points how could I get access to them into the node? For example, I created point pnt0 = {0,0,0,}. And now I want to create point pnt1 which is close to pnt0: int X = 3; int pnt0 = addpoint(0, set(0,0,0)); int pnt1 = addpoint(0, set()); - and here I want to get position of the first point and add X to each coordinates. Is it possible?
  2. Hi I have a straigth line, created by the line sop, and I want to create some Normals for its points. I tried by typing: v@N = @N in a wrangle node, or by using the poly frame sop, now this would normally work, but it seems like the normals cant be created if the curve is completly straigth, those methods works only if the curve has some kind of curvature (not straigth). Why?
  3. Hello everyone, I am fracturing a geometry and need to delete the pieces bellow a certain size. My problem is that I don't know how to delete based on size. My guess is I need to create a size attribute somehow and then delete based on that. I am sure this should be pretty straight forward but couldn't find any info on that, please give me some ideas, thanks!
  4. Hi everyone, Sorry for the remedial questions. Still new to the Houdini coding world. I have a long vector of ordered positions in space (Houdini calls these Vertices? Is that true?), I also have per-face index information (What I think Houdini calls Points), as well as some normals and UVs. All of these collectively defining a single polygonal surface. From this: http://www.sidefx.com/docs/hdk13.0/hdk_geometry_intro.html It seems that I need to populate the Point Index Map, the Vertex Index Map, the Primitive Index Map, and the Primitive List. Where my primitives represent the faces of the polygon. Does anyone have an example of code that does this? I'm then going to shove that GU_Detail in as a member of a packed prim, but that's a story for another day... Thanks for any tips, Alex