Hey,
I’m having issues getting at the UV surface params for the Surface.ClosestPoint using the GHPython component. Calling the method on my surface returns a point3d in the global coordinate system, not a uv-param of the surface.
In the C# example the U and V params appears to be tied to the “out” keyword. How do I handle that in python?
Alright, forget my question. I had been calling the ClosestPoint on a brep instead of a surface and now all works just as it should. Also I found this link on calling C# functions using the ‘out’ keyword from IronPython, might be helpful for someone as confused as I must be 
:
http://www.voidspace.org.uk/ironpython/dark-corners.shtml#out-and-ref-parameters
Many thanks
Jakob