algorithmic modeling for Rhino

Andrew Heumann
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refresh clippingbox in drawviewportwires
4 Replies

Started this discussion. Last reply by David Rutten Mar 27.

Heads Up Display with Human
16 Replies

Started this discussion. Last reply by Elaine Apr 23.

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Latest Activity

Andrew Heumann replied to Daniel Gebreiter's discussion Add/remove component parameters depending on zoom level dynamically
"As a user I think multiple zoom levels would be extremely confusing. For complex options consider some of the other ways of dealing with this, some of which are a bit more  "grasshopper-style": 1. have a regular component and an…"
5 hours ago
Andrew Heumann posted a discussion

externalized clusters always come back in called "Cluster"

Whenever I externalize a cluster and place it back in a grasshopper document, it loses its name and nickname properties, reverting back to "Cluster"See More
Jul 21
Andrew Heumann replied to Ben Doherty's discussion Distance performance
"Some more info related to python parallel performance that may be relevant to these…"
Jul 21
Andrew Heumann liked David Rutten's video
Jul 21
Andrew Heumann replied to Norm Sash's discussion Display of "panel like" port in rhino viewport
"You might look into the "Heads up display" components from the Human plug-in - see this link and the associated GH file. "
Jul 11
Alex Dembo replied to Andrew Heumann's discussion Is it possible to export a Grasshopper definition as a standalone script or application?
Jul 5
Andrew Heumann replied to Tasos Varoudis's discussion non-blocking c# plugin
"Actually david's script does something slightly different from what I describe - but it may work for you."
Jul 2
Andrew Heumann replied to Tasos Varoudis's discussion non-blocking c# plugin
"I think you'll need to set up a delegate function tied to an event - and that delegate can call ExpireSolution. See David's response here: "
Jul 2
Andrew Heumann replied to An's discussion Loop operation with baking
"what you're talking about is a little challenging. Have you looked into anemone? In my experience it handles this kind of thing much better than hoopsnake. "
Jul 1
Brian Ringley replied to Andrew Heumann's discussion Scribble Rectifier
"I sit with my head cocked about 15deg to the left so I'd def appreciate that feature... Adding left/right/center justification for multi-line scribbles would be sweet."
Jun 27
Andrew Heumann liked Daniel Hambleton's video
Jun 22
Andrew Heumann commented on David Mans's blog post Re Launch
"nice work!!"
Jun 20
Andrew Heumann replied to Thomas Shouler's discussion Insert PDF as block in Rhino
"there are some bugs with defining blocks from within a script. You can see my example code at that link - it could probably be adapted to work…"
Jun 19
Andrew Heumann replied to Danny Boyes's discussion We need to talk about Offset
"hmmm.... maybe someone can implement this? "
Jun 16
Andrew Heumann liked David Rutten's photo
Jun 16
ncmooc liked Andrew Heumann's video
Jun 13

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Andrew Heumann's Blog

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:





shearA (Shear angular)…


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. …


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…


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!



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

Simple Unit Conversion Script

Hey all - 


While working on a project I came upon the need to do some unit conversion within GH, so I decided to write a script to handle this. I've attached it as a user object. It takes two strings, defining the input and output unit systems, in the form of "mm" or "in^2" or "yd^3" etc. It will then output the necessary conversion factor. It also optionally accepts a list of values, and will convert them for you if they are present. 


A word of caution: I…


Posted on August 6, 2011 at 3:30pm — 11 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...

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:


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 :) 



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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