algorithmic modeling for Rhino

Andrew Heumann
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Andrew Heumann's Discussions

Which Scripting Language should I learn? C#, VB.Net, or Python?
4 Replies

Started this discussion. Last reply by konrad k sobon Mar 30.

Issues with unusual Color Spaces
1 Reply

Started this discussion. Last reply by Fred Becquelin Jan 28.

Ins and Outs of Undo
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Started this discussion. Last reply by Daniel González Abalde Jan 26.

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Andrew Heumann's Page

Latest Activity

Andrew Heumann replied to Loreta Haaker's discussion Color in Polar Array
"you can "add color" to any geometry with the "custom preview" component. just supply one color per object if you want them to be different colors. "
Andrew Heumann replied to Urs Hirschberg's discussion Error message Newtonsoft.Json
"this most likely means you're missing the newtonsoft.json.dll file, which should probably live in your grasshopper libraries folder along with whatever GHA is asking for it. If the file is in fact there, be sure to right-click it and…"
Sep 21
Andrew Heumann replied to Grasshope's discussion small text scribble objects are not able to be copied and pasted to a new GH file
"Interestingly, this ONLY happens to scribbles in a group - those that are loose on the canvas seem to be fine. You can get around this by using Ctrl-A to select instead of window picking. "
Sep 21
Andrew Heumann commented on Daniel González Abalde's video

Brick Box 2

"very nice work as always!"
Sep 20
Andrew Heumann liked Daniel González Abalde's video
Sep 20
Andrew Heumann commented on ng5 Alex's video
Sep 19
Andrew Heumann liked ng5 Alex's video
Sep 19
Andrew Heumann replied to roy orengo's discussion human + cycles
"I don't know anything about cycles - but I assume it works with materials/textures the same as any other render plugin, so Human should work with it just fine. As for baking, I'm not sure I understand the question - you can bake…"
Sep 19
Andrew Heumann replied to Max Malein's discussion Changing object attributes of Rhino objects in GH
"my "modify object attributes" component in human does this - the trick is to call "CommitChanges()" on the object after you've assigned it new attributes.  "
Sep 17
Andrew Heumann replied to Marcus Strube's discussion Getting Guid of Target
"What's the purpose of "GetTopLevel.DocObjecf"? You should be able to get the instance guid of the recipient directly, no?"
Sep 17
Andrew Heumann replied to Marcus Strube's discussion Getting Guid of Target
Sep 15
Xavier AM commented on Andrew Heumann's group MetaHopper
"Damn, MetaHopper is absolutely AWESOME! I wish I had known it from the time I started writing complex definitions, it would have saved days of work. I am just figuring out component by component what are their purposes,  I feel like a child on…"
Sep 15
Andrew Heumann replied to SHF's discussion gradient over several breps
"my example should work with some minor tweaks: "
Sep 13
Andrew Heumann replied to SHF's discussion gradient over several breps
"you have to click the button before the color displays. "Embedded in the geometry" depends on how your 3d printer works - some are based on materials/textures, others are based on mesh vertex colors. Do you know which yours is? "
Sep 13
Andrew Heumann replied to SHF's discussion gradient over several breps
"many plugins make this sort of thing easier. Here is an example of an approach with Human:  Depending on your intentions, you may also want to set up render materials that follow this gradient (this only sets the display color in…"
Sep 13
Andrew Heumann replied to David Rutten's discussion Grasshopper 1.0 API documentation online.
Sep 12

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Andrew Heumann's Blog

Human UI Webinars - Beginner and Intermediate

I'm excited to announce I'll be teaching two upcoming Performance.Network webinars on my plug-in, Human UI for Grasshopper. Learn to create professional user interfaces for your Grasshopper scripts!

Sign up today - space is…


Posted on June 28, 2016 at 9:25am

Auto-Document GH Libraries

I wrote a little script for myself that I thought might be useful to other GH developers or teachers. Feed it a component from any library (such as a plug-in you're developing), and it will list and describe all the components in that library. It can also generate a markdown-formatted text file,…


Posted on January 10, 2016 at 11:34am — 6 Comments

Create Snippets with Grasshopper

Grasshopper by default allows you to save individual components and clusters as "user objects," which can be re-used over and over again. However, sometimes you want to save a group of components without clustering them - like a component with pre-defined value lists or sliders attached, or special configurations with plugins like kangaroo, honeybee, or anemone.

The attached script lets you do just that - create a user object that can automatically place multiple components at…


Posted on October 15, 2015 at 7:48pm — 11 Comments

Wire Display Toggle Switch

There is an ongoing debate in my office between those who like to organize their definitions with hidden wires for the sake of cleanliness, and those who hate them because it makes definitions hard to debug. In order to sidestep any drama, I made a little script that lets you switch all the wires in a document between "Hidden" and "Faint." It will leave all wires set to default alone. 

Download it here: …


Posted on December 24, 2014 at 12:00pm — 17 Comments

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…


Posted on August 18, 2014 at 7:40pm — 1 Comment

Comment Wall (11 comments)

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At 7:48pm on February 29, 2016, xiejeff said…

HI Andrew,

could you add crv1 pt1 srf1 to the control panel?Question.rarThe work flow is:rhino -->control panel --> grasshopper

At 11:31am on November 9, 2015, Ding said…

Hi Andrew,

I am trying to use "Render Text to Screen" to visualize texts in the Rhino viewports other than "Perspective, Top and Back", but it doesn't work. (it only works in "Perspective, Top and Back" viewports on my laptop.)

Could you please let me know what could be the problems? Thank you very much in advance!

At 9:13am on December 30, 2014, rhinograsshopper2014 said…

Saludos de ecuador porfavor brindame ayuda deseo desarrollar window 500lux ayudame con informacion explicacion desarrollo cualquier ayuda es bienvenida gracias


Greetings from Ecuador brindame please help develop desire window 500lux help me with information explanation developing any help is welcome thanks

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 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 :) 





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