aoisaki Posted October 30, 2015 Share Posted October 30, 2015 (edited) I saw this on vimeo https://vimeo.com/124701487 really want do something like this for my painting https://vimeo.com/125311013 I'm new in houdini How can i drive particle flow with a picture Gradient and match the colour in Dop Edited October 30, 2015 by aoisaki Quote Link to comment Share on other sites More sharing options...
Atom Posted October 30, 2015 Share Posted October 30, 2015 Again, on this forum. http://forums.odforce.net/topic/23535-noise-how-to-convert-into-line/ Quote Link to comment Share on other sites More sharing options...
mestela Posted October 30, 2015 Share Posted October 30, 2015 (edited) Extending that a little, convert the image into a volume, measure the gradient, then cross-product that to get the flow lines running parallel to the gradient. click to play trace_gradient_v02.hipnc Edited October 30, 2015 by mestela 3 Quote Link to comment Share on other sites More sharing options...
aoisaki Posted October 31, 2015 Author Share Posted October 31, 2015 Thanks ! You guys are awesome! Quote Link to comment Share on other sites More sharing options...
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