SWEEP1 definition problem

Hi everyone. I have a problem with sweep1. I built the track with lines and curves, and then joined it all together… After that, I circled around the starting point of the curve and ran sweep1. The problem is the definition of the polysurface. How come despite being a curve, the surface is so angular? I attach two images for better understanding




this looks like a bad meshing.
what you see on screen are meshes.
there is a default setting in _documentProperties
and you can set a per object setting in the _properties window

check this forum for “meshing” …

background info here
https://wiki.mcneel.com/rhino/meshfaq