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

settings and different modes are set using the panel and spirals are placed by using the scriptographer tool (shortut: ~)

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

maybe it is a very basic question
From:  gustavo
Date:  28. June 2012, 23:18

Hi there, I just intalled scriptographer on my pc and I'm familiarizing with the tools.
I installed the Phyllotactic Spirals and it seems to be o.k. but when I select the object to apply and I press the play button nothing happens.
could you help me with the process to apply properly the action.
Thanks !

Re: maybe it is a very basic question
From:  pqbd
Date:  29. June 2012, 01:46

I believe you need to use the scriptographer tool (shortut: ~) to place a spiral.

Re: maybe it is a very basic question
From:  gustavo
Date:  9. July 2012, 02:18

solution: I didn't select the pen tool.

Thanks scriptographer team, this tool is very useful.
great work.

Gorgeous
From:  Steven
Date:  18. February 2013, 18:43

Spent 5 minutes with the tool and got this. I can already tell this script will be a lovely addition to my arsenal.

Center Point Missing
From:  Cassandra
Date:  19. June 2013, 03:40

You did a great job, the script works beautifully, the only problem I seem to be having is that no matter what numbers, spacing, etc. I put into the phyllotactic drawing setting, I can never get there to be an even spacing in the center. There always seems to be a slightly larger gap in the middle which I thought I could get rid of if I just could come up with a numerical combination that would create a center point. Is there a way to do this?

Re: Center Point Missing
From:  ken frederick
Date:  20. June 2013, 21:19

hi cassandra,

can you make a screenshot of what you mean?

Thanks,
Ken

Error pop up
From:  Jethro
Date:  16. August 2013, 02:03

Hi Ken,
I'm excited to use this script but I keep getting an error pop up in illustrator CS6:
Error2: script is undefined.
Line: 29

  • > script.coordinateSystem = 'bottom-up';

Is there something I can do to fix this?

Cheers!

Re: Error pop up
From:  ken frederick
Date:  16. August 2013, 09:39

all scripts on this site require the scriptographer plug-in which is no longer being developed http://scriptographer.org/news/the-future-of-scriptographer-is-paper-js/

possible solutions:

A/ paper.js
B/ nothing
C/ port code to work directly with adobe javascript support
D/ abandon illustrator and use indesign with github.com/basiljs/basil.js

Ken

Re: Error pop up
From:  Jethro
Date:  19. August 2013, 10:00

Hi Ken,

Thanks for the options. I'll give the basiljs a go!

circle sizes?
From:  allen wilson
Date:  24. October 2013, 22:04

Hello, I just discovered that you can use scripts (from you!)!

I would like to know how I can achieve a Fibonacci sequence phyllotaxis spiral with graduating sized circles, like :
Image located here

please help me out. I have Adobe Illustrator cs6 and cs3 - thank you!

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