Geodesic dome

Replies to This Discussion

Permalink Reply by punkhead on March 7, 2010 at 10:21pm

Hi Arthur,

Would you mind sharing this definition ?

Thanks a lot

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Permalink Reply by Jon Mirtschin on March 8, 2010 at 12:31am

Hi Punkhead,

If it's of interest to you (or others), I can integrate my plug-in command into a single c# grasshopper component if you're happy to install my plug-in. Will give you options for all sors of Geodesic domes as shown in this you-tube clip: http://www.youtube.com/watch?v=bfrljz-l8b0

I'll add it later today and post when the update is uploaded.

Cheers,

Jon

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Permalink Reply by Jon Mirtschin on March 8, 2010 at 7:44am

Hi Punkhead,

Reading back through the thread, it looks like you were after a geodesic grid on a freeform structure, rather than a geodesic dome. Anyway, I added the geodesic dome function Grasshopper-StructDrawRhino as an example file to my blog, http://geometrygym.blogspot.com What you're after can be done using my plug-ins, there's an example of doing so for the British Museum Great Court Roof, but I haven't added that to a Grasshopper component (yet). The iterations means it's a bit slow to computer for realtime interaction, but it can be done if you think it's necessary.

Cheers,

Jon

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Permalink Reply by Arthur Mani on June 18, 2010 at 1:50pm

Hi Jon,
Would it be possible with your tool to do triangular divisions?
we had problems opening the file, do we need a license?
thanks

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Permalink Reply by Jon Mirtschin on June 19, 2010 at 12:04am

Hi Arthur,

If you toggle off the bucky ball Boolean input, it will produce Triangular divisions (by the way, Daniel Piker was explaining to me that for high frequencies the output is not true technical bucky balls).
The Geodesic dome and profile sweeping are both behind the plug-in license, email me about that.

Cheers,

Jon

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Permalink Reply by Arthur Mani on June 21, 2010 at 3:07pm

Thanks Jon,

I am not sure what are the steps in order to draw a geodesic dome using your tool.

Do I have to buy a license to install the plugin and then use the geodesic dome tool or can i install a free reduced version which has the geodesic tool already in it ?

Is the geodesic triangular division going to output a list of 3 vertices and/or 3 edges which i can use to place a panel for example?

Thanks again Jon!

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Permalink Reply by Jon Mirtschin on June 21, 2010 at 11:48pm

I'll email you about the license options. There isn't a free reduced version of the plug-in as such, although I have had requests for specific subsets of various tools. But I think the price of the plug-in is reasonable enough that if it saves you a couple of hours work, it should have more than paid for itself (and you might spend more than that trying to search for a free alternative if it exists, or writing the equivalent yourself). The geodesic dome component can output planar panel faces as a polygon, or you can use the other cell filleting commands if you wish to offset the edge a distance, fillet the corners with a radius or generate an extruded panel. If you've other ideas/suggestions, I'm happy to try and add them.

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Permalink Reply by Jon Mirtschin on June 22, 2010 at 12:08am

I was a bit late to include two example images, here they are

Permalink Reply by Giuliana on February 2, 2011 at 3:59am

Hi sorry Jon...i'm a little bit late (almost one year :) ) but i download your geodesyc gym it could be very usefull for me..but i still can't use it..it's for the licence isn't it? what can i do?

Permalink Reply by Jon Mirtschin on February 2, 2011 at 5:37am

Hi Giuliana,

 

The tools are free for students for academic use, or I offer an evaluation period to commercial users to evaluate them.

 

Installation instructions are here: http://www.grasshopper3d.com/group/geometrygym/forum/topics/install...  

Look forward to hearing from you.

 

Permalink Reply by M K YIT on October 27, 2010 at 11:40am

Hi Jon and anyone who can help..!

I have a script on GeodesicSphere, and the script allows me to change the
diameter of the sphere but I need to make adjustment to 2 other factors:-

i) to change the number of pentagons + hexagons
ii) to change the size of the pentagons + hexagons

Do you have the script above as you've shown here that allows for (i) & (ii) within the script ? NEED HELP!

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Permalink Reply by Jon Mirtschin on October 27, 2010 at 1:46pm

http://www.youtube.com/watch?v=bfrljz-l8b0 demonstrates the options available in the routine for creating geodesic domes (albeit in Rhino, you can do the same in Grasshopper). You can see the inputs above for the frequency (size ratio for panels to sphere diameter) and there are ICOSAHEDRON, OCTAHEDRON and TETRAHEDRON based geodesic domes, as well as options to generate bucky balls or not.

The plug-in is free for students, and a free month to evaluate for commercial firms. You can download from http://www.geometrygym.com/downloads, when installed run sdrZZLicenseRequest and follow the prompts.

Cheers,

Jon

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