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Creating realistic CD disk in gimp

#1 User is offline   Ali Imran 

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Posted 16 May 2005 - 03:48 PM

Hello guys,

Creating a CD disk in gimp requires a few quick steps. After you have practiced this tutorial you will be able to create one within 2 or 5 minutes.

Expected result

Posted Image


SOLID STEPS

[*] Start with new empty gimp image of 300x300, you may start with desired, I started with 300 : width and 300 : height.

[*] Insert 2 (two) new layers, name the top most layer colors and name the 2nd layer disk.

[*] Draw an elliptic selection using circular area selection tool, as shown here:

Posted Image

[*] Select layer disk. Select Gradient fill tool and choose Golden Gradient from gradients' list. Then, go to gradient tool options and select the menu item Conical (sym), this drop down list is labeled Shape:, as shown here:

Posted Image

[*] Now keep your mouse cursor in the middle of the selection press left mouse button, and keep it down, drag mouse cursor streight down and release the button, as shown in below fig:

Posted Image

Now your image must look as below (upto now):

Posted Image

NOTE : Keep the selection active.

[*] Go again to gradients, and select gradient named Full saturation spectrum CCW from gradients list. Select top layer we named colors and fill it the same way we filled the other layer (middle to bottom), and set layer Opacity to 25. Now your image must look like this:

Posted Image

NOTE : It is time to save the selection so that it can be used later. Save selection using menus within the image : Select > Save to Channel.

[*] Now Select layer named disk and go through menus Select > Shrink, another window will appear asking you the number of pixels to shrink down current selection, you enter 5 and click button OK.

[*] Go through menus Select > Invert, then click icon Brightness and contrast Posted Image on the main window of gimp, and click within your image window. Another window will appear, drag the upper scrollbar of Brightness to maximum 127 and click button OK, then select second layer colors and set its brightness to 127 the same way we did for othe layer.

[*] Invert the selection again by going through menus Select > Invert, then again shrink the layer by going through menus Select > Shrink and giving it value of 100 pixels.

[*] Save selection by going through menus Select > Save to Channel.

[*] Select layer colors and press Ctrl+X on image window.

[*] You see the selection is also gone, go to Channels tab rightclick the channel on top (the small circle) and click menu Channel to Selection. Which will restore the small circle selection we made priorly.

[*] Select layer named disk and press Ctrl+X on the image window. Selection is again gone, repeat previous step to bring it back.

[*] Now grow the selection by 5 pixels, by going through menus Select > Grow, enter value 5 and click button OK.

[*] Again click brightness icon, and turn the brightness to maximim 127 for both layers.

Your final image must look something like this:

Posted Image


DONE...
[line]

If you do not understand any step or you are confused, please let us know.
Visitors are also welcomed to reply.

regards
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#2 User is offline   codebox 

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Posted 20 May 2005 - 06:15 PM

heyyy :) nice technique man... thats was so cooll :D thanks Ali dada ;)
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#3 User is offline   zisme 

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Posted 16 September 2005 - 10:25 PM

Thats a really good effect, I wonder what else it could be used for other than cds...
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#4 User is offline   Girugamesh 

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Posted 11 February 2006 - 02:02 AM

This is really good and I actually could do it -.-;;
Posted Image
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#5 User is offline   xxXxx 

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Posted 06 March 2006 - 08:33 PM

Quote

You see the selection is also gone, go to Channels tab rightclick the channel on top (the small circle) and click menu Channel to Selection. Which will restore the small circle selection we made priorly.


from that part, it messes me up, right click the top thing at the channel? Or the top thing in the little section?
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#6 User is offline   Bababall 

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Posted 15 April 2006 - 08:45 AM

Where do i find: "Gradient fill tool and choose Golden Gradient from gradients' list"?
Thx
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#7 User is offline   mentalmagic 

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Posted 15 April 2006 - 02:23 PM

Quote

Where do i find: "Gradient fill tool and choose Golden Gradient from gradients' list"?
Thx


If you look at this screeny i've selected the gradient tool and the box with the gradient in is a drop-down menu, click on it at scroll down, the gradient should be there.
Posted Image
Welcome to GIMPtalk as well!
Great tut Ali!
Posted Image
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#8 User is offline   Sayfer 

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Posted 18 April 2006 - 04:31 AM

Cool effect, thank you.
results:
Posted Image
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#9 User is offline   Bababall 

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Posted 22 April 2006 - 10:08 AM

Ok Thx for the help :l:
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#10 User is offline   ryandamaste5 

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Posted 10 July 2006 - 10:29 PM

I cannot find the brightness button on my GIMP is it because mi using GIMP 2
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#11 User is offline   sydney 

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Posted 10 July 2006 - 11:12 PM

Layer > Colors > Brightness-Contrast
Posted Image
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#12 User is offline   MattGIMP 

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Posted 04 August 2006 - 10:31 PM

whats with this bababall?

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#13 User is offline   sydney 

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Posted 04 August 2006 - 11:35 PM

Last Visited on: Dec. 31, 1969

ROFLOL! Are you really who you say you are? :w: :w:

too funny!
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#14 User is offline   MattGIMP 

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Posted 07 August 2006 - 04:18 PM

ya, thats just weird
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#15 User is offline   Kavukamari 

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Posted 22 August 2006 - 03:34 AM

omfg he joined in 2006, but he last visited in 1969, TIME TRAVELER!!!!! I MUST KNOW HIS SECRET
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#16 User is offline   nicman000 

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Posted 22 August 2006 - 09:27 AM

W***
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#17 User is offline   Ali Imran 

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Posted 29 August 2006 - 10:49 AM

Quote

Last Visited on: Dec. 31, 1969


That happened after last final forum upgrade, and fixes automatically when user revisits.
It is because in our last forum we had data time stored in string, and some formats could not be converted properly.

Not a big issue, I hope further discussion goes regarding tutorial.
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#18 User is offline   h8incaucasion 

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Posted 30 September 2006 - 06:38 PM

where is the gradient tool menu at?
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#19 User is offline   Fl4m3d_Sky 

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Posted 01 October 2006 - 04:02 AM

Not sure where'd you use this, but it is cool.
Posted Image

curly rocks so hard.
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#20 User is offline   sir hobo 

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Posted 01 October 2006 - 02:38 PM

is this it? Posted Image
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