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rendering lines with round ends


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Dear odforce,

Is there a way to render lines in Houdini with rounded ends? With additive transparency? I can render lines, and render the points at each end to round them off. But when transparency added to the mix I can see the overlap where the two intersect.

The solution needs to be efficient, as there are potentially millions of lines to be rendered... and not be a post-render solution, either.

Anything I've overlooked?

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Perhaps not the most elegant solution, but have you tried converting your lines to polys and enabling the "Polygons as Subdivision (Mantra)" option in the Render->Geometry tab of the object's scene-level geometry node? Haven't checked with transparency, etc. - just a thought....

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