Offset error

Hello, I m new in Grasshopper and I am trying to do an offset of a curve that is not in plan, I was wondering if it was possible to do the same as I did in attachement QA plan, in attachement QA rotated. The data is internalised.

Thank you!

Attachments:

QA plan.gh, 5 KB
QA Rotated.gh, 5 KB
111.PNG, 3 KB

Replies to This Discussion

Permalink Reply by Joseph Oster on September 9, 2017 at 5:14pm

'Offset' needs the plane of the rotated curve:

None of the three curves in QARotated.gh are planar.

Attachments:

QAplan_2017Sep9a.gh, 13 KB

Permalink Reply by Joseph Oster on September 9, 2017 at 5:49pm

This is an effort to "planarize" the non-planar curves in 'QA Rotated.gh' before 'Offset':

Attachments:

QARotated_2017Sep9a.gh, 12 KB

Permalink Reply by F L on September 9, 2017 at 6:24pm

Thank you very much! I have another question regarding rotation, the files explain better the situation.

Attachments:

Captura22.PNG, 13 KB
QA0909.gh, 11 KB

Permalink Reply by Joseph Oster on September 9, 2017 at 7:00pm

Sorry, not clear to me. In my first reply, I rotated around the 'Area C (Centroid)' of the planar curve. You can pick any other point/axis you want to rotate around.

It would help if you kept your curves internalized in 'Crv' params instead of making them internal to 'List Item' and 'End Points'.

And it makes no sense to me to supply points to 'Rotate' when it wants vectors instead?

Permalink Reply by F L on September 10, 2017 at 12:50am

Im sorry, this was a different question, not related to the previous post (I apologize for not making that clear). This question is about trying to rotate a curve, keeping one point fixed and the other not, but the "To" input is not working well.

Attachments: