Rhinoceros_Toolkit: Nurbs conversion seems to be failing

[rwemay]

Description:

Nurbs surfaces - pipes extruded along curves, which are input to a custom object don't all convert back to nurbs surfaces once exploded again. Not sure if this is something I'm doing, or an issue with some specific nurbs surface conversions. I also wondered if there is a related issue (perhaps completely separate) in the casting - here BHoM/Grasshopper_UI#539.

Steps to reproduce:

Run the test script and you should see different geometry from the exploded custom object to the input.

Expected behaviour:

Nurbs surfaces should come out similar to as input.

Test file(s):

Test File

[adecler]

This is an issue in the Rhinoceros toolkit so transferred there:

Basically, all conversion happening in Grasshopper should now leverage the Rhinoceros toolkit

There is no owner of this toolkit right now so feel free to have a go.