Grasshopper

algorithmic modeling for Rhino

Hi all,

 

I am trying to do the same in Grasshopper as you already can in Rhino using the function "VariableOffsetSrf", with a variable number of input 'control' points, each with their own offset distance. 

 

Anyone done this with a scripting component or by any other means?

Many thanks and kindest regards !

 

Kayin

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Replies to This Discussion

Kayin,

you will run into big problems with this, as it is very difficult. Perhaps you can achieve an acceptable result with the SpatialDeform component?

--
David Rutten
david@mcneel.com
Poprad, Slovakia
Cool component David, but sadly not what we need ... We need to maintain a tight control over the offset distance.

Any other bids ? :)

Many thanks and kindest regards,
Kayin
i was trying to do something similar.... but not having much luck either.

i've attached what i came up with - divide a surface, move the points (maintaining the data structure), then rebuild the surface with 'surface from points'

the results are not ideal.... and my def is a little sloppy, but maybe this could help....
Attachments:
Evan,

Looks good ! But we need such a tight control over the offset distance of certain points on the surface that something closer to Rhino's command "VariableOffsetSrf" would be best.

I cannot seem to find this either in the Rhino SDK, anyone know if it is in there?

David, this could be your challenge for the weekend; to build that component in Grasshopper ! haha ;)

Many thanks guys !
Kayin
VariableSurfaceOffset is not available in the SDK, so there's no way for me to reach it. Otherwise I could indeed write the component over the weekend.

I'll put the request in with the Core development team, but it's going to take a while.

--
David Rutten
david@mcneel.com
Poprad, Slovakia
Thanks for your reply David. We will have to work around this for now then, if you hear any updates on this, please let us know !

Many thanks and kindest regards !
Kayin
Evan,

Did you ever get a GH version of cage edit to work?

Spatial Deform -- correct usage/behavior?
no... actually the srf-from-pts def i posted was a further attempt at that. no luck yet.

i had a deadline at work, so i ended up doing it 'manually' ;)

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