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Found 3 results

  1. Hello everyone, I'm starting with Houdini and Python and I have a doubt which would influence my learning curve significantly. I'd like to know if someone has specific information about reaching the transformation matrix of particles in Houdini - preferably in Python. From the SideFx Python Documentation says it's not yet implemented. I also read somewhere here that it's possible through VOP/VEX. The objective is to make a particle export script from Houdini to Octane's CSV - to adapt Houdini to an existing workflow. This CSV file only has these particle's transform matrix. And it would have to be usable, for example, for 5 million particles. Does anyone has any tips? Or in alternative if someone has this script already, it would be great! I'm not a coder (MaxScript only) and it will take me ages to get it done... Thanks in advance! M
  2. I have a simple line node, with 3 coloured square polygons which sit randomly along the line. I want to be able to store/collect the data for the line so it reads:line0 = red,green,purplegoing forward i will have many lines with a maximum of 4 different types of colours intersecting eachlinee.g.line 1 = red,blueline 2 =green,red,blue,purpleline 3 = green,blueetcit would be good to store this data as a csv file to open in excel any help would be much appreciated LINECDINTERSECTIONS.hipnc
  3. I'm pretty new to houdini particle stuff, and I'm trying to figure out how to turn a .csv of points into particles that I want to render into a night skybox. The csv contains position, color, size and intensity of 120,000 closest stars to Earth. I can successfully load in the points via a TableImport node, or via a python script which loops through lines, and creates node.geometry() createPoint(). If I plug the tableimport node into a Particles node, then stuff happens, but I think it's trying to spawn particles from those points. I want to make the points themselves into particles, with position, size, intensity and color. And once I spawned stuff, how would I reference the (color, size etc) data from the table? PS: If anyone wants the original star data: http://astronexus.com/node/34 houdini particles v2.hipnc hygdata_v3_simplified.rar