Grasshopper

generative modeling for Rhino

Rajaa Issa
Rajaa Issa
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  • Mckinney, TX
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Rajaa Issa's Discussions

Scripting with RhinoCommon Issues
3 Replies

Started this discussion. Last reply by David Rutten Aug 25, 2010.

Bug in XOr gate
2 Replies

Started this discussion. Last reply by David Rutten Sep 18, 2011.

"Essential Mathematics" - Second Edition
14 Replies

Started this discussion. Last reply by Janghwan Cheon Jan 4, 2011.

 

Rajaa Issa's Page

Latest Activity

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Sebastian Pantano commented on Rajaa Issa's blog post 'Generate Grids with VB.NET'
Rajaa Hello, very interesting all the data found in several of its definitions. I'm trying to study definitions to create neighborhoods housing structures that can be flexible and evolve over time. Targeted to respond in the best way to human…
18 hours ago
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Rajaa Issa commented on Rajaa Issa's blog post 'Generative Algorithms: Cellular Automata (CA)'
Attached is a revised version of the Game of Life in grasshopper.  It fixes a bug where the new state is saved on top of the old state and it causes following cells to be incorrectly evaluated.  thanks to Leming for pointing this out.
Nov 23, 2011
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Rajaa Issa replied to Chris Johnson's discussion 'modular grid on surface'
Hi Chris, Not sure if this is what you are looking for, but I would do the following: - Project the border of your surface to a plane (maybe XY plane). - Create your modular planels using PanelingTools or any other mean you prefer - Write a script…
Nov 17, 2011
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Jalal Abbasov liked Rajaa Issa's profile
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Nov 2, 2011
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Nicole Zumpano commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
Wow, this is so helpful.  Thank you so much!!
Nov 1, 2011
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Rajaa Issa commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
Hi Nicole, I posted another example under the fractal tree (above) with dynamic angle control hooked to a slider.  That should help.
Oct 31, 2011
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Nicole Zumpano commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
I'm so glad to see that this post is still active! I've been experimenting with the fractal plant file, but as a complete Grasshopper n00b I cannot for the life of me figure out how to change the rotation angles for + and -.  I notice…
Oct 29, 2011
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Nicholas Murao commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
I've been trying to tell the script to start the branching at a point, but I've been failing miserably. Could you possibly post a script that I could follow? Thank you
Sep 25, 2011
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Rajaa Issa commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
Hi Nicholas,I am sure there is probably a way to write an L-System that produces result similar to the one in the photo.  I just have not written one and my guess it will take some experimenting to get a new variation of an L-System.…
Sep 22, 2011
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Nicholas Murao commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
Sorry I would like to change my question. Similar to this photo I want the L-system to create a layering effect that begins to create a density. Also is there a way to have the L-System to branch out in multiple directions like in the photo above?…
Sep 22, 2011
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Rajaa Issa commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
Not sure what you need.  Can you show an image or an example of what you want to get?
Sep 21, 2011
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Nicholas Murao commented on Rajaa Issa's blog post 'Generative Algorithms: Lindenmayer-System (L-System)'
I was wondering if there's a way to use the fractal plants logic bt instead have the branches be curves instead of orth0gonal lines.
Sep 21, 2011
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David Rutten replied to Rajaa Issa's discussion 'Bug in XOr gate'
XOR always returns the wrong result at present. I've fixed it, so you'll need to remove any workarounds you add yourself.   -- David Rutten david@mcneel.com Poprad, Slovakia
Sep 18, 2011
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Scancella Marco replied to Rajaa Issa's discussion 'Bug in XOr gate'
Identical bug in logic gate "XOR" :  
Sep 17, 2011
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Rajaa Issa replied to johnk's discussion 'VB script with ptMeanCurves from paneling tools !!'
Hi Johnk, I will add it to the exposed list of functions and post an example to show how to use it soon.
Sep 12, 2011
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Rajaa Issa's Blog

Rajaa Issa

"Essential Mathematics" - Second edition



The second edition of the "Essential Mathematics for Computational Design" is now available with free download from:

http://download.rhino3d.com/en/Rhino/4.0/EssentialMathematicsSecondEdition/…
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Posted on May 29, 2010 at 7:27am — 8 Comments

Rajaa Issa

PanelingTools - Selection Components in Grasshopper

PanelingTools is a Rhino plugin to rationalize design forms and generate design patterns. Details are in:

http://wiki.mcneel.com/labs/panelingtools



PanelingTools creates ordered grids of points as base for applying any custom paneling idea. Panels take the format of…

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Posted on May 5, 2010 at 10:30am — 2 Comments

Rajaa Issa

New publication: "Essential Mathematics for Computational Design"





The first edition of "Essential Mathematics for Computational Design" is now available with free download:

http://download.rhino3d.com/en/Rhino/4.0/EssentialMathematics/…

Continue

Posted on March 11, 2010 at 8:00am — 4 Comments

Rajaa Issa

Generate Grids with VB.NET

This is an example of how to create a rectangular and diamond grids using VB.NT DataTrees to output a tree structure. Download diamond_grid.zip to see the GH definition.…

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Posted on December 28, 2009 at 8:57am — 16 Comments

Rajaa Issa

Create new layer and set as current

The following sample shows how to create new layer in Rhino document and set as current using a layer name as an input. Download Grasshopper definition (BakeToLayer.ghx)…



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Posted on May 20, 2009 at 9:00am — 1 Comment

Comment Wall (8 comments)

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At 11:36am on June 8, 2011, spiralspiral said…
Please for the complete, modify the scheme in a file, replace the lines on the curves- smooth curves (PROJECTED) bound for the curved panels,  and close to the surface (body to rotate)?  How to keep the length of the panel edge constant over the entire surface? Please  send the file (diagridcomplete) with these changes.
For complex surfaces istrument paneligtools works unstable.
Perfectly replaces your file GHX (diagrid...
At 11:39pm on June 4, 2011, spiralspiral said…
Now I have a great tool for the realization of dreams.
Your programs Rajaa reflect the living nature in the figures.
I collect the shell mesh reflecting your codes. They take shape in the hands of the viewer. It is interesting to make a movie about your work. The viewer could compare the behavior of mathematical structures on a computer screen and touch their hands. I bow my head before the Queen of the code of life.
"... les surfaces qui définissent nos gestes, et les déchirures extraordinaires, les arabesques fluides, les chambres informes, créées dans un réseau pénétrant tout, par la rayure grinçante du tremblement des insectes, le roulis des arbres, les roues, le sourire humain, la marée. Parfois, les traces de ce qu’il a imaginé se laissent voir sur les sables, sur les eaux ; parfois sa rétine elle-même peut comparer, dans le temps, à quelque objet la forme de son déplacement".
At 9:08am on August 30, 2010, Matt GaydonMatt Gaydon said…
Hi Rajaa

Sorry... though i had attached link hopefully this time it will work.
Bake Text to Layer.ghx

Thats the file then i used Mitch's Monkey script from here to convert it to single line text for the lazer cutter.

http://www.grasshopper3d.com/forum/topics/text-curves-from-a-string?xg_source=activity%22

Matt
At 5:23am on August 27, 2010, Matt GaydonMatt Gaydon said…
Morning Rajaa

Just a quick msg to say I downloaded your VBscipt for Baking Layers using GH input for names etc and merged it with another Script to Bake/Write Text to Layer using GH Inputs. I hope you don't mind.

Here is a link to the blog post with the file

I did notice though that the script for the Create Layer seems to be missing the required code for the boolean toggle to work.

Hope you well
Matt
At 12:50pm on May 30, 2010, NilsNils said…
"Essential Mathematics" is a really nice book that gets better and better. Thanks!
At 1:05am on April 5, 2010, Kichan UKichan U said…
I sent an E-mail rajaa@mcneel.com.
Is it right?
At 11:11pm on March 31, 2010, Kichan UKichan U said…
When I finish the works, I will give my links...
At 10:21am on July 1, 2009, MARIO VERGARAMARIO VERGARA said…
Hi Rajaa!....i was wondering, any news on p.tools integration with gh??
i've only seen this...
http://dig-t-a.blogspot.com/2009/04/paneling-tools-in-grasshopper.html
thanks for this great tool!
 
 
 

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