Re: [Gimp-user] Extracting all pixels of a certain colour

[Andreas Waechter]

I want to extract all pixels of a specific colour (to be more precise 
look a certain colour).  I am finding that  there is some variation in 
the colour. so if I try "select by color". I only get a subset of the 
pixels.
Is there a way of selecting all pixels close to the colour I want (where 
"close" can be determined by experimentation!)
Select by color allows to set a threshold - if you set it to 
 0, only the exact color is selected, the higher you set it 
the less similar a pixel must be to get selected.

Secondly can I move all these pixies into another layer/channel or 
image.  
Copy, Paste, then in the layer dialog click on new layer ==> 
the selection is now a layer.

Andreas
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[Gimp-user] Extracting all pixels of a certain colour

[Andrew Black]

Hi
I want to extract all pixels of a specific colour (to be more precise 
look a certain colour).  I am finding that  there is some variation in 
the colour. so if I try "select by color". I only get a subset of the 
pixels.
Is there a way of selecting all pixels close to the colour I want (where 
"close" can be determined by experimentation!)

Secondly can I move all these pixies into another layer/channel or 
image.  I want to repeat this operation for a number of colours.
Selection to Channel looks as if it might help but I didn't understand 
what to do then.

Andrew
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