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Maya Scene > flat_curve.ma.zip


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This image is rendered entirely with curves generated with Paint Effects.

To create Paint Effects, open Maya's Visor window: Windows > General Editors > Content Browser.  Find the Paint Effects tab, click on a brush type in one of the folders, and then draw in the Maya viewport.

Paint Effects strokes that use a Brush Type "Paint" are rendered directly as curves by RenderMan.  It isn't necessary to translate to a mesh, although in some cases you may wish to do that.  You can find the brush type on the brush node after drawing a stroke.

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After creating a Paint Effects stroke a couple extra steps are required to set up a RenderMan material for rendering.  Shading for Paint Effects brushes is not fully translated.  However, a Cs (color) primitive variable is emitted for the curves, so you can make use of that in a material assigned to the stroke. PxrPrimvar > Color Input

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titlePrimvars

To learn more about RenderMan Primitive Variables in RenderMan for Maya, check out the About Primitive Variables page:

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