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 Post subject: Rays of light
PostPosted: Sun Sep 23, 2012 12:39 am  (#1) 
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Howdy!

I've seen this one done with text -> Rays of light behind text tutorial

What I was wondering would this apply to an image too such as the coat of arms for Germany that I'm attaching as an .xcf.

Attachment:
Coat_of_Arms_of_Germany.xcf [93.27 KiB]
Downloaded 135 times


I poked around a little bit but was coming up dry. At this time of night it's not surprising! :roll:

Thanks for any tip, tricks, help and even the prod into the right direction! :bigthup

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 1:25 am  (#2) 
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Had a play with your image

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Heres the xcf file


Attachments:
Coat_of_Arms_of_Germany-2.xcf [1.84 MiB]
Downloaded 133 times

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 2:38 am  (#3) 
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pretty cool, he4rty !

even more impressive when you have a look at the xcf
did you use a selection tool or did you render the eagle with a layermask ?

i tried something with filters -> render -> line explosion but didnt like it enough to post


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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 2:51 am  (#4) 
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Basically I just selected the black area of the image and used that in place of the text in the tutorial, selected the black just by using the colour selection tool. then rather than colourising the rays I created a new layer filled with the orange from the orignal image background and set layer mode to colour, finally I isolated the red onto a new layer and moved up so it would show.

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 3:33 am  (#5) 
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Also, do you know the 'Light rays' filter in the G'MIC plug-in ? It does the same with 2 or 3 clicks :mrgreen:

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A description of the filter is available here : http://www.flickr.com/groups/gmic/discu ... 044433458/


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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 10:12 am  (#6) 
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Thanks! Hey that gives me something to go on! I shall play on now!

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 2:12 pm  (#7) 
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Line nova has a pretty cool effect with just a few tweaks. :)
http://registry.gimp.org/node/26237 (bottom scm file "line-nova_20101016.scm" is the 2.8 version)
Image

Workspace (XCF) file attached.

Attachment:
Coat_of_Arms_of_Germany2_RD.xcf [472.51 KiB]
Downloaded 104 times

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 4:49 pm  (#8) 
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Interesting variation! Nicely done!

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 6:27 pm  (#9) 
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Probably not what you're looking for but I like to play with GIMP ...

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 7:32 pm  (#10) 
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Mike wrote:
Probably not what you're looking for but I like to play with GIMP ...
<br />
<br />
<img src="http://www.gimpchat.com/files/269_flamed.png" alt="Image" class="resize_me" />


Actually, that pretty darn close! How'd you do that one? I can play with it. Would just need more on the top & bottom! Thx!

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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 8:21 pm  (#11) 
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The basic idea is to create an image twice the size of your coat of arms, make an elliptical selection of 1300 pixels, fill the selection with a gradient of your choosing, I used incandescent because I seem to be missing German Flag Smooth, the obvious choice. Then I created a template wheel by creating a new layer and using a white brush stroke of 25 pixels at 6.125, 11.25, 22.50, 45.0, and 90.0 degrees. There are countless ways to do that but I find the script-fu copy-rotate script to be simple and effective. It creates something similar to a bicycle spoke. Then, by doing an alpha to selection on the "spoke layer" and inverting the selection it creates a cutout of the Gradient layer. Once cut out it leaves wedges of color that can be gaussian blurred, as I did, or played with using the countless other scripts and plugins. I'm sure someone smarter than I am will have some other ideas. I can't post the xcf file here for you or I would.


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 Post subject: Re: Rays of light
PostPosted: Sun Sep 23, 2012 8:35 pm  (#12) 
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Mike wrote:
I seem to be missing German Flag Smooth
i attached the german flag gradient for you ;)


Attachments:
German Flag.rar [718 Bytes]
Downloaded 100 times
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 Post subject: Re: Rays of light
PostPosted: Mon Sep 24, 2012 10:05 am  (#13) 
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Esper wrote:
Mike wrote:
I seem to be missing German Flag Smooth
i attached the german flag gradient for you ;)


Thank you. GIMP 2.8.2 doesn't appear to include those gradients. :gaah


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 Post subject: Re: Rays of light
PostPosted: Mon Sep 24, 2012 4:40 pm  (#14) 
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Mike wrote:
Esper wrote:
Mike wrote:
I seem to be missing German Flag Smooth
i attached the german flag gradient for you ;)


Thank you. GIMP 2.8.2 doesn't appear to include those gradients. :gaah


It does but they are in a separate folder. "Gimp-Obsolete Files"
In the share/gimp/2.0/gradients folder.

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