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 Render Tutorial [The Gimp]

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Caihlem
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PostSubject: Render Tutorial [The Gimp]   Sun 2 Dec - 22:00

Description:
A render is an image of which it's background had been removed before hand.
Renders are used in making avatars and signatures, but can really serve for all image types

Now the triky bit is getting a good render Razz

Method:

I'll be using this image in my examples:
https://i.servimg.com/u/f13/11/52/70/02/eaglee10.jpg

No need for me to show the results obtained with automatic selectors I suppose, so let's gain time and get to it Smile

First of all:
Selection => Toggle Quick Mask (Shift+Q)

You're image should now be covered in a veil of red



On the Gimp interface, invese the black and white's positions (foreground & background respectively)

The principle from now on:
White removes red
Black puts it back

Take the pencil option and start removing the red from the background (don't hesitate to zoom and use a smaller size brush)


(I'm lazy so I'll content myself with just this much for my demo Razz)


Then remove the Toggle Quick Mask



We notice that
> The image is back to normal
> The previous non-red is now selected Very Happy

As an intermediary go:
Layers => Transparency => Add Alpha Channel
This is to assure tat you'll be able to do the see through (and therefore not have to remove the white after)

Finally:
Edit => Clear

The selected area is now transparent Very Happy



Note:
I've done this quick, better results can be obtained simply by taking more time than 0.5 seconds Razz


If you apply this in one shot for the whole image, making all the background non-red in the quick mask, you've got your render Very Happy

Finally: To increase the quality, you can try to work on a big picture, render it then shrink it to size Wink

Please note: Some file types suc as bmp or jpg don't support transparence and for that matter is advised to save it in png or gif, png having better color quality Wink


Caihlem


Last edited by on Mon 3 Dec - 0:36; edited 1 time in total
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Luky
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PostSubject: Re: Render Tutorial [The Gimp]   Sun 2 Dec - 22:47

A great tutorial, Thank you very much Caihlem at last I managed to make this!
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PostSubject: Re: Render Tutorial [The Gimp]   Mon 3 Dec - 12:22

Very Nice Caihlem, you make it seem so simple hun.
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Luky
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PostSubject: Re: Render Tutorial [The Gimp]   Mon 3 Dec - 13:52

I have to admit that it is indeed simple now that I know what I have to do.
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Ishimaru Chiaki
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PostSubject: Re: Render Tutorial [The Gimp]   Fri 1 Feb - 6:48

Hello bro !

By the way, I see you haven't posted it yet on ID Razz
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Caihlem
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PostSubject: Re: Render Tutorial [The Gimp]   Sat 2 Feb - 1:53

Because it's your technique
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Ishimaru Chiaki
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PostSubject: Re: Render Tutorial [The Gimp]   Sat 2 Feb - 12:30

I didn't translate my tutorial because my Gimp is in French.
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