houdini tutorial - hello vex groups - create neural network

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Source: Ilya Euteneier

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0:00 - The intro 0:05 - Intro reference 0:15- Setting up basic geo 0:52 - Create the ID parameter with attribute wrangle 1:19 - Create "end points group" with attribute wrangle 2:32 - Setting up the draw curve node 2:54 - Pin up up the point on drawn curve with attribute wrangle 3:48 - Edit up connections between "id set" , "end points" 4:10 - Setting up near points with attribute wrangle 4:30 - Setting up the "start group" with attribute wrangle 5:30 - Setting up the ( "cost attribute" == randcost) with attribute wrangle 6:25 - Setting up the "paint" node for drive the cost attribute 6:44 - Setting up the "find shortest path" node for growth the basic branches 6:46 - Setting up the "point cost attribute" ("point cost attribute == randcost") 6:51 - 1-st try to setting up the start points in find shortest patch node 6:58 -! Edit start group wrangle -- its my mistake =! its must be setpiontgruop group non setprimgroup! 8:18 - For each subnetwork magic node to resample branches 9:12 - Setting up custom polywire eith attribute wrangle base on @uv 10:34 - Setting up the "vdb from polygons" node 10:50 - Setting up the "vdb smooth" node 10:50 - Creating the "material" node with constant smoke basic shader 12:31 -! Setting up the "smooth" node for curly branches 14:12 - Painting cost attribute with "paint" node 14:47 - setting up "vdb from polygons" node voxel size - ! it's very main for and take much time and memory be carefull and save the work before do this! 14:12 - Painting cost attribute with "paint" node 15:28 - Setting up the randomness of cost attribute 16:01 - final render after this you might to prefere save exr sequence and composite the final shot with the best things you can do. In my case 0:00 i duplicate sequence multiple times for density the branches and also use some DOF camera effects and color correction. The composition "Dark Shine of the Mountains" belongs to the performer Chris Zabriski. License: Creative Commons Attribution (https://creativecommons.org/licenses/by/4.0/). Original version: http://chriszabriskie.com/darkglow/. Artist: http://chriszabriskie.com/

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