Re: Grayscale to color conversion question

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there is nothing difficult about it -- just different.
However for 99% of users who simply want a SPECIFIC color in the shadows and another SPECIFIC color in the highlights, the greyscale --> duotone is both more precise and faster

M
 
-----Original Message-----
From: Chris [mailto:cjrs@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, November 11, 2008 10:37 AM
To: 'List for Photo/Imaging Educators - Professionals - Students'
Subject: RE: Grayscale to color conversion question

I found that rather difficult compared to the method I used. If you want precise values then you need a different utility.

 

Chris.

 


From: owner-photoforum@xxxxxxxxxxxxxxxxxx [mailto:owner-photoforum@xxxxxxxxxxxxxxxxxx] On Behalf Of editor@xxxxxxxxxxxxxx
Sent: 11 November 2008 14:21
To: List for Photo/Imaging Educators - Professionals - Students
Subject: Re: Grayscale to color conversion question

 

As explained previously, convert from greyscale to duotone affords you much more precise control for what you are after

m

 

-----Original Message-----
From: Chris [mailto:cjrs@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, November 11, 2008 04:10 AM
To: 'List for Photo/Imaging Educators - Professionals - Students'
Subject: RE: Grayscale to color conversion question

Yes, you can do it in Photoshop. I did it once but I have forgotten how during my culture shock. I will investigate. Open Photoshop: Open grayscale image, convert to RGB Image>Adjust>Curves Select "red" move curve to select part of gray scale to be red Select "Green" ditto for green Select "blue" ditto for blue. Chris. -----Original Message----- From: owner-photoforum@xxxxxxxxxxxxxxxxxx [mailto:owner-photoforum@xxxxxxxxxxxxxxxxxx] On Behalf Of ADavidhazy Sent: 10 November 2008 22:25 To: List for Photo/Imaging Educators - Professionals - Students Subject: Grayscale to color conversion question Hi, is it possible to convert a grayscale image to a false color version where, let's say dark areas of the grayscale image appear blue in color version and light areas red with in-between densities shades of green mixed with blue, greenish, and green mixed with red. If you know what I mean!! I guess it would be like taking a spectrum and assigning each color a numerical value from 1-255 and then "mapping" these onto a grayscale image. yes? no? how? Help appreciated either way. andy


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