Sweep with expression controlled scale

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Hi

Is it possible to control the scale of the Sweep SOP with expression? I'd like to create roots, and the longer the curve, the thicker the scale. Apparently I cannot add expression to the Scale parameter.
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Hi,

you can create scale or pscale attribute on the backbone.
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Amazing, thank you very much!
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Hi,
i'm tryng to add a pscale on the backbone with a point wrangle, but nothing happend, i checked that attribute is there on points.
Any trick to make this work?
Thank you very much,
Carlo
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CarloB
i'm tryng to add a pscale on the backbone with a point wrangle, but nothing happend

Try to add backticks `@pscale`
However, you'll get a warning Local variable 'pscale' not found. I guess it's because Sweep SOP doesn't support local variables?

To fix this warning, use detail(opinputpath('.', 0), 'pscale', 0)or a short version: detail(0, 'pscale', 0).

This detail()expression will access incoming attributes from the upstream node(s).


Edited by AnimGraphLab - Oct. 12, 2024 07:44:07

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If you have @pscale on your backbone points, sweep should scale accordingly - and automatically.
Post your hip file if you need more help.
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