Why is this circle incomplete on this Mac rhino script?

Why is this circle incomplete on this Mac rhino script?

Also, it does not want to render…

please let me now if I am missing something obvious!

Thanks

here’s the scriptfigure 2.8 page 23 lists.gh (10.2 KB)

FWIW, these are not circles but interpolated curves.

You are drawing a curve from start point to end point. To get a closed curve, you’ll have to have the end point being the same as the start point. So, you’ll have to somehow pass an extra end point to each list of points, i.e. {0,0,0}.

Not sure if this is what you refer to - when I opened your definition, nothing was drawn in the Rhino viewports except for when I selected a component in Grasshopper. That was a new one for me. To make all (enabled) components preview in the Rhino viewports, go to Display > Selected Only Preview
image
HTH

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Set the ‘P (Periodic)’ input of ‘IntCrv’ to true.

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Thank you