Colored Trails (Point Advection & Rendering)

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One of the great things about the Houdini community is that we’re always confronted with clever questions and with clever answers too. “How do I color strands using an image’s color palette?” was the comment on Vimeo that led to this setup. Yet when talking about coloring polylines we also need to discuss rendering them.

In this video we’ll go over setting up a basic point advection through a vector volume using purely Houdini standard tools. Also We’ll show you a way to hack the standard Mantra Material to behave like a hair material.

Download Project File (.hipnc)

Download Project File (For Houdini 15.5.550 upwards)



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  1. kevin says

    You guys are just nuts. Love this website and everything you guys are doing.

  2. Hey!

    Really love your Website, thanks for this! Iam currently trying to understand Houdini coming from a C4D background and i may got a pretty stupid question but is there a way to hide the grid and only show the trails when rendering ?

    Dunno if i missed something there!

    Thanks in advance !
    Keep up the good work.

    Greetings from Germany!

  3. Neeraj Mahajan says

    Could you tell me how to export obj from this ?

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