Grasshopper

algorithmic modeling for Rhino

Andrew Heumann
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Andrew Heumann's Discussions

bug: TwistedBox not transforming
2 Replies

Started this discussion. Last reply by Andrew Heumann Apr 18.

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

Started this discussion. Last reply by Devang Chauhan Nov 22, 2016.

Issues with unusual Color Spaces
1 Reply

Started this discussion. Last reply by Fred Becquelin Jan 28, 2016.

Heumann Design/Tech

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Andrew Heumann's Page

Latest Activity

Andrew Heumann replied to J[D]'s discussion Merging complex data trees structure
"There's another potential solution here with some new-ish metahopper components:  I've attached the latest metahopper too since it includes some stuff not yet on the f4r page. The idea of Wrap/Unwrap is that it turns branches into…"
yesterday
Andrew Heumann replied to Firat Aydin's discussion DECONSTRUCT BREP_MISSING CORNERS
"if the component says they're not there..... they might not be there. Do you see the control points there when you select the geometry in Rhino and run the "SolidPtOn" cmd?"
Monday
Andrew Heumann replied to Nathan Peucker's discussion Merge Branches higher in the path.
"Inspired by your question, I wrote improved versions of Unwrap and Wrap - these components take a "Level" designation so you can wrap/unwrap to arbitrary levels of nesting. That makes the case you describe even easier to solve - just two…"
Monday
Andrew Heumann replied to Nathan Peucker's discussion Merge Branches higher in the path.
"In scenarios like these I use metahopper's "wrap" and "unwrap" to perform tree operations. This works just like grasshopper "Group/Ungroup" except  it can handle non-geometric data.It's a little…"
Monday
Andrew Heumann replied to platut's discussion How can I Dynamic Geometry Pipeline Drawing?
"The dynamic pipeline listens for changes to the object table and expires the component solution when appropriate. I am not sure what you mean by "move predrawing but not update pipeline'" - can you explain?"
Sunday
Andrew Heumann replied to Rodrigo Líbano's discussion Select all objects in a layer
"the "Dynamic Pipeline" from Human works just like the Geometry Pipeline but it lets you supply layer, type, and name as an input. "
Saturday
Andrew Heumann replied to fedezorrozuag's discussion Flip Matrix in a large tree using shift path / PROBLEM
"I think in this case what you want is "Flip Last" from tree sloth - if you replace your P-shift + Flip matrix with Flip Last everything seems to work as desired. "
Apr 21
Andrew Heumann replied to Pep Tornabell's discussion funcky quad mesh generation
"here's something that might be a start at least. "
Apr 19
Andrew Heumann replied to Andrew Heumann's discussion bug: TwistedBox not transforming
"Yes, it converts correctly to brep."
Apr 18
vhoang replied to Andrew Heumann's discussion bug: TwistedBox not transforming
"Probably something to do with output type of TwistedBox (Point3dList?). Transformation works  this output being passed into Brep before transform operations. "
Apr 18
Andrew Heumann posted a discussion

bug: TwistedBox not transforming

TwistedBox geometry does not seem to be responding appropriately to transform operations like move or rotate. No errors are thrown - geometry just doesn't change! See More
Apr 17
Kyoko Kodama liked Andrew Heumann's video
Apr 16
Andrew Heumann replied to Lasse Rahbek's discussion Error using the "GetDataList" command
"Here's a reference to the various ways of constructing an MWNumericArray: https://www.mathworks.com/help/dotnetbuilder/MWArrayAPI/html/T_MathWorks_MATLAB_NET_Arrays_MWNumericArray.htm There's some complexity as MWNumericArray appears…"
Apr 14
Andrew Heumann replied to Lasse Rahbek's discussion Error using the "GetDataList" command
"the problem is that the second argument to GetDataList has to be a a List<T> which MWNumericArray presumably is not. You might need to retrieve a List<double> first (depending on the type of the param you're harvesting from) and…"
Apr 14
Andrew Heumann replied to vito sirago's discussion Human UI GRID
"The grid is a little confusing - my friend Marc Syp has been working on a "simple grid" that should make this less complex to get started with in the future.  In the meantime though, the thing to understand is that you have to first…"
Apr 14
Andrew Heumann replied to Bryan Oknyansky's discussion GH Error on load
"this is related to RhinoBIM - see this post: http://www.grasshopper3d.com/forum/topics/loading-errors"
Apr 13

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Andrew Heumann's Blog

GH Webinar - GH Plug-in Development in C#

Just a little blatant self promotion :)

If you have a basic knowledge of working with C# scripts in Grasshopper but want to take it to the next level and start building your own GHAs, you may be interested in the webinar I'm teaching tomorrow for performance.network. We will go through the basics of plug-in development - the structure of the code, how to get data in and out of a component, and the debugging…

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Posted on December 6, 2016 at 8:30am — 1 Comment

Grasshopper Pro Webinar Series

Sign up at performance.network!! 

Posted on October 31, 2016 at 6:12pm — 8 Comments

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…

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Posted on June 28, 2016 at 9:25am — 1 Comment

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,…

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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…

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

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 https://www.youtube.com/watch?v=6ssgXi9hSn0 ayudame con informacion explicacion desarrollo cualquier ayuda es bienvenida gracias

 

Greetings from Ecuador brindame please help develop desire window 500lux help me with information https://www.youtube.com/watch?v=6ssgXi9hSn0 explanation developing any help is welcome thanks

https://www.youtube.com/watch?v=6ssgXi9hSn0

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 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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