Sg2.9
Phyllotactic Spirals
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Creator:  ken frederick
Date:  25. March 2011, 18:52

** UPDATE **

a small little script that generates phyllotactic spirals.

http://en.wikipedia.org/wiki/Phyllotaxis

General Settings: (applies to either mode)

  • ----------------------------------------------------

Dot Spacing = spacing between dots
Size = size of dot
Auto Sizing = dot size increases from center point, the maximum size being what is set by Size

Drawing Type:
Circles = draws dots
Points = draws single points (for easy use with Voronoi Tool)
Lines = connects the vertices (in order) with lines

Modes:

  • ----------------------------------------------------

1/ Concentric Rings

Number of Rings = self explanatory
Ring Spacing = number of points spacing between rings
Ring Rotation = (i'll try and explain) this is the angle of rotations that the last ring will make i.e. if you have 10 rings the 10th ring will be rotate 90 deg, the 9th ring 80 deg, the 8th ring 70 deg, and so on...

  • ----------------------------------------------------

2/ Phyllotactic Spiral

Number of points = i couldn't find a formula that would build these out of rings so it's based on the number of points

  • ----------------------------------------------------

Notes
** finally i have access to cs5 and so far as i have tested this script functions without problems using the latest version of scriptographer (2.9.072). i still currently have no consistent way to test on other versions of illustrator (i.e. CS2 or CS4 or CS?) or windows. email is the best way to contact me.

thanks.
Ken

Re: Phyllotactic Spirals
Date:  26. March 2011, 15:07

I think you forgot to add the script (Looking good though!)

Re: Phyllotactic Spirals
From:  ken frederick
Date:  26. March 2011, 15:21

oops... ha.

ok. now enjoy.

Re: Phyllotactic Spirals
From:  Michael
Date:  6. April 2011, 11:02

nice!!

Re: Phyllotactic Spirals
From:  Liam
Date:  13. April 2011, 18:34

It would be sweet to combine this patterning with Jonathan's Voronoi tool to get some very organic effects. Nice work :)

Re: Phyllotactic Spirals
From:  Jason
Date:  23. April 2011, 12:54

Where were you 3 years ago when I really needed this script?! Haha! Seriously—I spent a very long time trying to figure out how I had once created one of these spirals in Illustrator—and I eventually gave up!

Nice work... looking forward to adding this to the ever-growing arsenal of tools.

Re: Phyllotactic Spirals
Date:  24. April 2011, 02:34

Any updates for CS5?

Re: Phyllotactic Spirals
From:  Pete
Date:  27. April 2011, 13:34

I've recently spent like 2 days annoying people on adobe AI forums to help me to write the same simple script generating fibonacci spirals.
http://forums.adobe.com/thread/797902?tstart=0
It's much easier now to generate them live with SG.
And btw, nice suggestion about voronoi tesselations here! I second That.

Re: Phyllotactic Spirals
From:  ken frederick
Date:  14. May 2011, 19:32

i've updated phyllotactic spirals for use with jonathan's voronoi tool.

run 'PhyllotacticSpiral_0_1.js'
check 'Draw Points'

  • - adjust settings as desired --

use the scriptographer to draw the points

ungroup the points, but keep them selected

run 'Voronoi Tool.js'
click 'Add Selected Points'

here's an example of the output:

Re: Phyllotactic Spirals
From:  Pete
Date:  22. May 2011, 19:14

Wow, thats crazy cool! Thanks Ken!

Re: Phyllotactic Spirals
From:  Shanfan Huang
Date:  8. January 2012, 09:54

Very inspirational in your last example! Thanks!

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