catchyid Posted August 18, 2016 Share Posted August 18, 2016 Hi, Beginner question. When I middle mouse on a SOP node (e.g. sphere) I see the list of its attributes (e.g. P[3fp]). I also can see them on the "Geometry Spreadsheet" Pane. My question: Is there a master list of ALL possible geometrical SOP attributes and their meaning? So far I have seen P, Cd, and N ... Thanks, Quote Link to comment Share on other sites More sharing options...
Skybar Posted August 18, 2016 Share Posted August 18, 2016 A few common ones here: http://www.sidefx.com/docs/houdini/model/attributes http://www.sidefx.com/docs/houdini/dopparticles/attributes 1 Quote Link to comment Share on other sites More sharing options...
symek Posted August 18, 2016 Share Posted August 18, 2016 There is no definite list, because Houdini allows user, some plugin or script to define any number of arbitrary attributes. There are some attributes, which more by convention, or from a historical reasons are used here and there for different purposes, so for example there is a strict list of attributes used both by Mantra and CopySOP to transform instances. Crowd Solver is using some too, and POP, and Cloth and Wires. But if you write own node in VEX or Python or C++ or using DOP VEX snippets, you can add own attributes too. Viewport and its shaders generally support Cd and N and uv, but your own shader might be using others too. 1 Quote Link to comment Share on other sites More sharing options...
catchyid Posted August 18, 2016 Author Share Posted August 18, 2016 Thanks Skybar abd Symek! Your answer symek helps a lot demystify Houdini Quote Link to comment Share on other sites More sharing options...
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