Offset non planar Polyline with different distances

Grasshopper
1

Hi

Would it be possible to offset a non planar polyline in Grasshopper with differen values?

For example:
Side A = 10mm Offset
Side B = 15mm Offset
…

Thank you!

Jonathan

2

Any reason not to create the offset curves separately, one on each side with the desired offset distance?

3

I am not sure if I then can join it again to a closed curve again (since it is not planar)

The directions of the offset will probably be chaotic, so I would need to offset each line-segment in both directions and then figure out which one to take

I then need to trim and split each line before joining them again

4

Can you provide a file with an example of the input and the desired output?

5

@davidcockey

Hey David,

I guess I would need something like this:

image
image1215×819 27.1 KB
Different Offset Curve.3dm (89.8 KB)

Thanks for your help!

6

this should be reliable as long as the offset of the sides intersect each other

image
image1600×624 75.6 KB

OffsetOnSrf.gh (32.5 KB)

but when something like this happens it’s game over :frowning:

image
image1100×653 50.9 KB

there might easily be better solutions… :slight_smile: