Grasshopper

algorithmic modeling for Rhino

# Surface UV dividing problem

Hi all,

I am trying to model the Allianz Arena in Grasshopper while I am quite stuck at some points...the surface of arena is lofted, the uv curves on it seems not so even, so I tried to set the V curve to 0, and divide the U curves evenly by points, but I dont know what to do to create the diagonal lines on surface, please help, any discussion would be appreciated.

Thank you!

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;)

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Thank you! thats a quick reply! That is exactly what I wanted to create,  I will need sometime to go through it :)

;)

Hi Angel,

I am afraid that I have to bother again, having a headache by the tons of the problems that I have no idea how to do it, I tried to pull the point list and see if there was any logic way to connect them and make a surface of each of the unit, it looks like if I connect any point say N, then the surface should be N,N+1,N+2,N, just dont know how to extract it and having the same kind of problem to create the air inflated panel...

Thank you!

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You can do it with a variety of ways

1. The trad way (via relative items - see attached). Of course the trad way it's the best way since you control things 100%.

2. Paneling tools

3. Lunchbox (but LB it doesn't work with trimmed surfaces thus ... blah blah)

4. Evolute tools.

PS: Notify if the gist of the relative items thing remains a black art

best, Peter

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BTW: added some Lunchbox options just for the record (you'll need a "twisted" loft in order to achieve "twisted" panels).

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Added some "isolation" capabilities in order to get the gist of the whole relative items thing. See gates with the red ellipse.

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Thank you so much! I am new to GH and it will take me some time to understand the data trees and everything, still it solved a lot of problems and I really appreciate it!

New to GH?

If this is the case .. I have a feeling that the "balloon panels" could be a bit tempting.

But fear not: here's the thin air thing added (actually a sketch describing that atroci... er... hmm ... I mean that architectural "masterpiece").

PS: this 9 point surface approach adopted may sound a bit garrulous but it's the fasted by a huge margin (other options include morph, loft, sweep2 etc etc). Lot's of balloons around, mind.

PS: Named Views defined in order to guide you around (choose wisely)

PS: Use the highest quality for preview

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I was wrong: the 9 points thing is the second fastest approach.

Get the new fastest thing (much simpler as well). Since the Path Mapper input is the "simplest" available I could trust it if some code changes occur (resulting a different tree).

PS: some "constrain" input paranoia corrected.

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Thank you so much for all you ve done! thats truly amazing, think I have a long way to go, I am now in my summer course of grasshopper, as its going on, I guess I will understand it phase by phase hopefully:-)

Added more decisions (gates/filters) that turn the whole thing into a paranoid collection of "options"/what-ifs.

Added the 1m question (see equivalent Stored View).

Challenge for the future (easy):

Create the bottom balloon that is like the top.

Challenge for the distant future (hmm):

Create some frame system for the balloons AND the truss that supports the whole thing.

PS: what happens if a balloon gets a puncture? Call Superman?

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