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walter chefitz
walter chefitz
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Orient and Scale Objects along Surface
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I am trying to take any given surface and automatically orient and scale a cylinder (or a different select brep) along the surface. The oriented breps should be scaled so that they touch or nearly…Continue

Started this discussion. Last reply by Mattias Eriksson Jun 14, 2010.

Controlling Surface Division
5 Replies

I am flowing onto a surface and trying to create a work around so that the proportions of my flowed geometry remain constant (or close to constant).There are several examples of subdividing a surface…Continue

Tags: Division, Surface

Started this discussion. Last reply by walter chefitz Nov 17, 2009.

 

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Mattias Eriksson replied to walter chefitz's discussion 'Orient and Scale Objects along Surface'
Well there's a simple solution to the problem, unfortunately I'm sitting at a machine with an ancient version of GH (pre datatrees) so my definition isn't tidy and won't be of much help, but his is how you do it: 1. Divide…
Jun 14, 2010
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Jacek Jaskólski replied to walter chefitz's discussion 'Orient and Scale Objects along Surface'
Hi Walter, What about something like this: It follows the logic of your hand made example, but as you can see the parts of the cylinders fall out of the base surface domain. If you'd like them to obey the boundary then you should perhaps…
Jun 12, 2010
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Orient and Scale Objects along Surface

I am trying to take any given surface and automatically orient and scale a cylinder (or a different select brep) along the surface. The oriented breps should be scaled so that they touch or nearly touch and there is no left over space between the last object and first object (when the surface is continuous). I'll attach files so this makes more sense. In the 3dm file, I have added a sample surface and also did some layout of the objects on the surface (I did this the old fashion way/ by hand).…See More
Discussion posted by walter chefitz Jun 10, 2010
2 Comments
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walter chefitz updated their profile photo Nov 17, 2009
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walter chefitz replied to walter chefitz's discussion 'Controlling Surface Division'
Hi Amir - Can you explain how the equi-aerial approach is better than averaging isocurve length? I had a feeling this is true but have not grasped why. Thank you, w
Nov 17, 2009
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Amir Aafzali (aa) replied to walter chefitz's discussion 'Controlling Surface Division'
regarding to your post, equi-aerial is the best way. Amir Aafzali, (aa)
Nov 17, 2009
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walter chefitz replied to walter chefitz's discussion 'Controlling Surface Division'
Hi Jacek - So nice! Thank you! I have had a bit of time to work on a solution as well. Attached is today's latest version. The outputs are remarkably similar, though I think yours is more precise. Rather than area, it calculates the lengths…
Nov 12, 2009
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Jacek Jaskólski replied to walter chefitz's discussion 'Controlling Surface Division'
Hi Walter, It's an interesting problem indeed. One way we can solve it is by using the definition for "equi-aerial" subdivisions, which I posted here. Simply by adding one component, you get what you need: The explanation why it…
Nov 12, 2009
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Lorenzo Gambino replied to walter chefitz's discussion 'Controlling Surface Division'
Hi, your question is really interesting and the solution would be really useful.. I'm trying to do exactly the same thing. Take a look to this discussion…
Nov 11, 2009
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Controlling Surface Division

I am flowing onto a surface and trying to create a work around so that the proportions of my flowed geometry remain constant (or close to constant).There are several examples of subdividing a surface into SubSrf based on an equal number of UV intervals.My thought is to have the SubSrf's divided based on a given ratio rather than equal segments. For example, Let the number of V divisions remain 1. The U interval would be calculated based on the average V height of the U Interval.I want to set…See More
Discussion posted by walter chefitz Nov 5, 2009
5 Comments
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Grasshopper Cloud Event - NY at Buro Happold, NY Office

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October 26, 2009 from 12am to 6pm
Discover everything Grasshopper at the first Grasshopper Cloud event in New York. As his last stop before returning to Europe, David Rutten will show and discuss what's coming next in Grasshopper. Gil and Ronnie of StudioMode and David Fano of DesignReform will also be attending.RSVP has been closed on this event. Space is limited to 50 people. Please attend if you do RSVP.Agenda…See More
walter chefitz is attending Scott Davidson's event Sep 24, 2009
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walter chefitz replied to CarlosE's discussion 'Generating a helix'
Hi Damien - When I open your GHX file I am getting 25 errors. What am I doing wrong? I have the Grasshopper 5.0099 build. Any ideas? Thank you. walter
Sep 4, 2009
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walter chefitz is now a member of Grasshopper Sep 4, 2009
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