how to find the u or v parameter of a curve on a surface

I want to trim the surface from the curve,I need find the u or v parameter of a curve on a surface??

Sharjith Naramparambath's picture

Download the samples pack from website and see the SplitShape.exe example

Davide Canalia's picture

I can't find the download section for sample.
They are "open source"? the splitshape.exe is inside the official opensource download?