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Articles on computer graphics, math and art

Over the last couple of weeks I started to learn Houdini, partly from tutorials by Entagma and others, partially by implementing things I worked on in Grasshopper for Rhino (which is single threaded and rather slow for larger assets) over into the Houdini world. This one started out from the Enta...

Expressions 101 - Written Tutorials (this is a work in progress, will add images and example nuke scripts when I get time) Introduction The expression node in nuke is a bit of a mystery for most people, but it's incredibly powerful. Often its used for pat

Learn how to create a glowing neon sign using Houdini's renderer and compositor with this clip. Whether you're new to Side Effects Software's popular 3D production program or a seasoned graphic artist just interested in better acquainting yourself with the application, you're sure to be well served by this free video tutorial. For more information, including detailed instructions, take a look....

Jarrod Hasenjäger discussed his approach to creating realistic and stylized art in MODO, shared his workflow with both styles and talked about combining MODO and Arnold.

I am desperately trying to find a way to connect two lines with a curve with the following properties: 1. The curve is tangent to the endpoints of the two line…

Learn how to create a path tracer using houdini particles

Ref this image: http://i281.photobucket.com/albums/kk234/Dee390/CheckDisc.jpg However the underlying geometry could be a simple plane, but the projected UV orientation is what would create disk mapping. Basically, how the heck do I get the circular appearance mapped onto a rectangle? I tried reorienting the UVs so it looked like a spider web, but the result wasn’t really what I expected.

/nat/ - Nature - ◯∞⁂❋❋ⵈ⁂❋ⵔ⁂❋꞉ⵔⵔⵔ·⁂ⵔ꞉⁂ⵔᐃ··⁂⁂❋❋⠿ᐃⵔⵈⵔ∷ⵘ⁂⁂❋ⵘ꞉꞉ⵔ⠿ⵔ∷◌∷❋◯ⵙ◯❋∷◌∷ⵔ⠿ⵔ꞉꞉ⵘ❋⁂⁂ⵘ∷ⵔⵈⵔᐃ⠿❋❋⁂⁂··ᐃⵔ⁂꞉ⵔ⁂·ⵔⵔⵔ꞉❋⁂ⵔ❋⁂ⵈ❋❋⁂∞◯

Discussion topic from the Foundry Community under Modo Forums - Modo - Product Support

Download Project File (.hipnc): https://www.dropbox.com/s/n9ok6nu6xx7hqsi/iteration_for_loop.hipnc?dl=0 In this tutorial we're looking at For-Loops in order to create a repeating geometric pattern that resembles an abstract snowflake. For more info visit www.entagma.com

Hey guys The other day I needed to obtain a clean mesh result from a circle, as shown below. Mesh Brep gives an awful result and Mesh Surface won't do it pr…

How do you create a sphere made of all quads; Polygon Mesh has poles and polygon is triangles ? I want a sphere without any poles; but all quads.

My personal collection of tools with the Expression Node.