Boundary line of a flat object


#1

Hi,

I am thinking how to find the boundary line of a flat object that includes splines, semicircle and lines.
It could be easy in case of a polygonal object by selecting grips but for curves I have no idea.

I can also evaluate the curves and simplify it by some points on the curve and then connect it but there might other way.

Can anybody suggest how to do it?


#2

Can you give an example of the geometry?

And what tools are you hoping to use to extract the boundary? e.g. PythonScript, RhinoCommon Plugin, Grasshopper?


#3

Thanks, it is like in the picture. This will be the duplicate surfaceBorder


#4

Cool, this script should help get you started.

This is a python script, but you could translate the principles to a RhinoCommon plugin if needs. Let me know if you need help modifying it to fit your use case.


#5

Thank you Tom. The method works just fine.