Grasshopper

algorithmic modeling for Rhino

Andrew Heumann
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Andrew Heumann's Discussions

Difference between Trim Tree and Shift Paths
1 Reply

Started this discussion. Last reply by Danny Boyes Oct 16.

Template files override user author info
3 Replies

Started this discussion. Last reply by Brian Ringley Oct 7.

Heumann Design/Tech

Facades+ Workshop July 25

It’s been a long time since I posted here, but wanted to come back on to promote my upcoming Grasshopper workshop at the Facades+ Conference in Chicago on July 25!  http://www.facadesplus.com/collaborative-design-and-analysis/ It will be a really exciting opportunity to push the boundaries of Grasshopper as a collaborative tool – we’ll be exploring strategies to build multi-user grasshopper […]

2012 in review

Since I haven’t been posting much lately I thought it would be fun to give a little recap of this last year of my life in terms of art, architecture, design, and technology. January to May – Thesis For the spring semester, I was hard at work on my thesis project at Cornell. Entitled “Case […]

Tweet2Form: The Formalist Tweetbot!

I just finished putting together a beta version of a little project. It’s a tweetbot powered by a grasshopper definition. The bot transforms a cube according to a series of operations you specify, and then tweets a picture of the resulting form. There are currently 11 formal operations that the bot understands: split bridge stretch […]
 

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Latest Activity

Andrew Heumann posted a discussion

Material display with skylight on seems wrong

Enabling the Rhino Skylight visibly darkens all grasshopper display, and especially messes with the appearance of custom shaders using the custom preview component. Without skylight on, the diffuse color is favored (as would be expected) - with skylight on, it appears to be the emissive color of the material that dictates its appearance in the Rhino viewport. This means there's no variation in shading on the surfaces of the objects.…See More
2 minutes ago
Andrew Heumann replied to Veselin Krasimirov Dzhedzhev's discussion VB-script "invert"
"You could just flip the surface before you pass it into the VB component - or you can add a line after line 133 in the first script: from: pNorm(i, j, k) = srf.NormalAt(p_UV(k, 0), p_UV(k, 1)) to: pNorm(i, j, k) = srf.NormalAt(p_UV(k, 0),…"
yesterday
Andrew Heumann replied to Pieter Segeren's discussion Align planes
"the logic seems simple enough - project the alignment vector to the plane, then construct a new plane with the same origin, with the projected vector as X and the cross product between the original normal and the new X as Y. "
Wednesday
Shridhar Mamidalaa commented on Andrew Heumann's video
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Plan Morphing

"This is awesome Andrew... seems like a breakthrough , one thing i wonder is... does it keep the same "Area" of spaces when morphed.???"
Wednesday
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Wednesday
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Wednesday
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Nov 17
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Nov 17
Andrew Heumann replied to Austin Herrema's discussion Unexpected Shatter Behavior
"This is definitely a data structure issue. For the behavior you desire, you need one branch for each input curve (which is to say, the list of curves should be grafted) and one branch for each pair of t-parameters at which to shatter the…"
Nov 13
Andrew Heumann replied to paul hackett's discussion slow file when internalised data
" the problem is the autosave. Autosave happens every time you disconnect/reconnect wires or change any value - unless the file is unsaved, in which case autosave does not occur. Since you have a lot of internalized data, this has to be…"
Nov 13
Andrew Heumann replied to Jens Pedersen's discussion BROKEN control point component?
"no error here - that's how many nurbs control points your curve actually has.  Take a look at the "details" of the object in rhino: Geometry: Valid curve. Periodic NURBS curve start = (-56.3153,240.809,0) end =…"
Nov 11
Andrew Heumann replied to Youngjae chung's discussion Grasshopper Wish : Slider animate "choose multiple viewports with check boxes "
"Are you certain that the save paths you're setting up are in valid directories? it will create a new file for you (or override one that doesn't exist) but the directory has to exist in advance. Also note that you need to have unique save…"
Nov 5
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Nov 5

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Join NBBJ's Design Computation team!

Are you passionate about design computation? Are you a Grasshopper guru or deft with Dynamo? NBBJ’s Digital Practice group is seeking to expand our Design Computation team across the firm. We have offices in Boston, Columbus, London, Los Angeles, New York, San Francisco, Seattle and Shanghai, and are always seeking out the best and brightest talent.

The ideal person we are looking for:

…is an expert in the use of Grasshopper and/or Dynamo

…is comfortable in a…

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Posted on August 18, 2014 at 7:40pm

Tweet2Form: GH-Powered Formalist Tweetbot

I just finished putting together a beta version of a little project. It's a tweetbot powered by a grasshopper definition. The bot transforms a cube according to a series of operations you specify, and then tweets a picture of the resulting form. There are currently 10 formal operations that the bot understands:

split

bridge

stretch

scale

shearA (Shear angular)…

Continue

Posted on November 24, 2012 at 8:00pm — 9 Comments

Michael Graves, Digital Visionary: What Digital Design Practice Can Learn From Drawing

Check out my latest blog post, responding to Michael Graves’ recent article in the NYT, speculating on ways that digital design practices can learn from the way drawing functions as a design tool. …

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Posted on September 10, 2012 at 11:22am — 14 Comments

Find and Replace in Grasshopper Documents

originally posted here

Since David Rutten added to GH the ability to set a default text panel background color, I’ve had my panels set to be white instead of the default bright yellow. But in all my old definitions, the panels remain yellow, and it drives me nuts. I was going through and changing them manually when it occurred to me that there was a much better way, based on a trick I saw David mention in a…

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Posted on February 7, 2012 at 7:30am

Applied Grasshopper: Aluminum folding for Sarah Oppenheimer

Hey all - just added a post documenting my GH work for the artist Sarah Oppenheimer. Check it out here!

 …

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Posted on August 12, 2011 at 9:46am — 2 Comments

Comment Wall (9 comments)

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At 11:55am on April 24, 2013, djordje said…

Hi Andrew,
I see you are quite fluent in RhinoCommon.
Was RhinoCommon SDK your only source for learning it?
Thank you.

At 2:46pm on November 18, 2012, Dhruv Seth said…
At 3:07pm on September 26, 2012, Théo Mesnier said…

hi Andrew, I actually have a big problem trying to import rhino text objects to grasshopper to create a points cloud; fortunatly I found the solution in one of  your old posts...http://www.grasshopper3d.com/forum/topics/using-number-text-objects-for?commentId=2985220%3AComment%3A168316

but it doesn't work for me... certainly because of the new version of GH (0.9)... I'm using Rhino 4. I really need your help on it, I didn't find other solution anywhere else and don't know anything in scripts...  Thank you so much !

At 6:52pm on June 11, 2012, Mateusz Zwierzycki said…

nice works ! publish some more here

At 6:15am on November 9, 2011, Riyad Joucka said…

Hello Andrew;

Great work on the Origami simulation showed here: http://www.grasshopper3d.com/video/rigid-origami-with-kangaroo-1?commentId=2985220%3AComment%3A150253&xg_source=activity

 

just wondering if you can share the definition?

At 3:27am on October 26, 2011, Huzefa Ali said…
At 2:18am on October 22, 2011, Huzefa Ali said…

hi Andrew,

i need help editting the qvoronoi defination by demitrie. When ever i give my points rather than the random points, the qvoronoi turns red and the defination fails to work. Also that i need to give the bounding box to be my site. how is that possible? Its my thesis year and im running out of time. I am new to grasshopper and seek guidance. Thankyou.

At 11:44am on February 26, 2011, Ángel Linares said…

Cool!, thanks for sharing concepts :D I'll try that :) 

 

Best.

At 9:22am on February 13, 2011, Ángel Linares said…
Hey man, could you share the definition that Daniel share with you to make rigid origami stuff with Kangaroo?
 
 
 

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