Rich Evans wrote:
> That's it! Perfect.
glad to hear it works as expected. Just want to add that the programmer's route,
aka doing it by the math, is quite viable, too. Some selected options:
- the MathMap plugin probably enables the most concise solution:
http://www.complang.tuwien.ac.at/scha
- Original Message
From: yahvuu
To: Rich Evans
Cc: Gimp-user@lists.XCF.Berkeley.EDU
Sent: Thu, February 4, 2010 4:31:19 AM
Subject: Re: [Gimp-user] how to invert greyscale values only...
hi,
Rich Evans wrote:
> [..] Is there a
> technique or tool to invert any part of the image that is
hi,
Rich Evans wrote:
> [..] Is there a
> technique or tool to invert any part of the image that is only a shade of
> grey?
> i.e. invert pixeils with a saturation of ~0 (if that is how you say
> it).
The on-board tools are just fine for this.
"Do something to some pixels (here: invert) and lea
"Duplicate layer, invert bottom layer and cut all blacks and whites out
of (transparent) top layer (of course, if there's a range of greys it
gets more complicated)."
it's evident that this is the problem : i don't know about Rich's photo
but the sample i use here have various flavors of blacks'
be to write a c program from scratch).Would
>> anyone consider this... easy?
>>
>> continue thanks,
>> -Rich
>>
>>
>>
>> - Original Message
>> From: Cédric Gémy
>> To: Gimp-user@lists.XCF.Berkeley.EDU
>> Sent: Tue, Februa
.
Does this type of tool/script exist?
continued thanks,
-rich
- Original Message
From: Ken Warner
To: Rich Evans
Cc: Gimp-user@lists.XCF.Berkeley.EDU
Sent: Tue, February 2, 2010 8:12:09 PM
Subject: Re: [Gimp-user] how to invert greyscale values only...
Colors -> Desaturate; C
CF.Berkeley.EDU
> Sent: Tue, February 2, 2010 5:58:51 PM
> Subject: Re: [Gimp-user] how to invert greyscale values only...
>
> not completely satisfied with sven's method, working on some pictures
> but not any, depending on the shades.
> I used to do it in CMYK a long time ag
mp-user@lists.XCF.Berkeley.EDU
> Sent: Tue, February 2, 2010 5:58:51 PM
> Subject: Re: [Gimp-user] how to invert greyscale values only...
>
> not completely satisfied with sven's method, working on some pictures
> but not any, depending on the shades.
> I used to do it in
ogram from scratch).Would anyone consider this... easy?
continue thanks,
-Rich
- Original Message
From: Cédric Gémy
To: Gimp-user@lists.XCF.Berkeley.EDU
Sent: Tue, February 2, 2010 5:58:51 PM
Subject: Re: [Gimp-user] how to invert greyscale values only...
not completely satisfied with
not completely satisfied with sven's method, working on some pictures
but not any, depending on the shades.
I used to do it in CMYK a long time ago with photoshop by just pushing
the image to CMYK and inverting the K curve.
I guess something might be done with decompose color filter or so. But
the
On Mon, 2010-02-01 at 15:27 -0800, Rich Evans wrote:
> Hello, Is this the right place to ask a question about special filters in
> GIMP? If so, I'd love some advice on the following task:
>
> I have an RGB image that is basically a black background with many
> colorful objects and white text. --
Rich Evans wrote:
> I have an RGB image that is basically a black background with many colorful
> objects and white text. --- I'd like to invert the image so that it is a
> white background with black text but a simple invert inverts the colors in
> all the colored objects as well. Is there a
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