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josephbupe
 Post subject: Concentric Circles
PostPosted: Tue Jun 12, 2012 5:19 am  (#1) 
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Hi all,

Does anyone here know or have a script to create concentric circles with Gimp?


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molly
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 5:30 am  (#2) 
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This is all I see concerning concentric circles in this forum.

http://gimpchat.com/viewtopic.php?f=9&t=2714

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ofnuts
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 5:42 am  (#3) 
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josephbupe wrote:
Hi all,

Does anyone here know or have a script to create concentric circles with Gimp?

If you only have a small number but mostly want accuracy in radius and center, use the shape-paths script (http://registry.gimp.org/node/59)

If you want a large number this is a whole other matter. Miracles are known to happen when there are rainy weekends in Paris.

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josephbupe
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 6:09 am  (#4) 
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Many thanx.

I wan't to try it now.

Stay well.
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saulgoode
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 6:11 am  (#5) 
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Location: not from Guildford after all
Concentric rings can be created using the Blend Tool in radial mode along with the "hard-edge" gradient. I believe the FG-to-BG Hard-edge gradient is included by default in GIMP 2.8 but, if not, it is easy to create one using the Gradient Editor.

Here is a screenshot of the settings, along with the result:

Attachment:
SSblend.png
SSblend.png [ 24.01 KiB | Viewed 7946 times ]

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molly
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 8:08 am  (#6) 
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Cool Saul, I have used that before but forgot.
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PhotoComix
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 9:38 am  (#7) 
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on the topic linked by Molly there are details also on a RobA script (see his post) that was very handy for me to solve analogous problems ...well even more complex because i didn't wanted only concentric circles but also all sort of concentric polygons

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lylejk
 Post subject: Re: Concentric Circles
PostPosted: Tue Jun 12, 2012 11:37 am  (#8) 
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Yes, RobA's Mosaic Helper script-fu is pretty good for doing this; just stroke the resulting path then crop the border. :)


Attachments:
mhelper.png
mhelper.png [ 686.32 KiB | Viewed 7895 times ]

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gramp
 Post subject: Re: Concentric Circles
PostPosted: Sun Feb 24, 2013 8:29 am  (#9) 
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Lyle,

Your contribution should feature a warning.

Now I been hypmotized. :hehe

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PhotoComix
 Post subject: Re: Concentric Circles
PostPosted: Sun Feb 24, 2013 7:26 pm  (#10) 
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gramp wrote:
Lyle,

Your contribution should feature a warning.

Now I been hypmotized. :hehe


oh to hypnotize better i would first duplicate and then start to offset slowly along a slowly expanding spiral and as soundtrack a old raga with embedded binaural beats...

i have no the animation but only 2 of the possible frames ...

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gramp
 Post subject: Re: Concentric Circles
PostPosted: Sun Feb 24, 2013 8:42 pm  (#11) 
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PComix,

~MASTER, I AM READY TO DO YOUR BIDDING...~

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molly
 Post subject: Re: Concentric Circles
PostPosted: Sun Feb 24, 2013 8:55 pm  (#12) 
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OMG, PC, I have to go to bed...that one blinded me and now I see spots.

:shock: :cu :wh :cry :blingbling :sglasses :teeth

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