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Hello.
I have a black and white image. Id like to smoothly map the luminosity values to rgb values in the image.
An example would be a black and white image of a cloudy sky. Id like to colorize the image so that eg. the brightest clouds stay white, the darkest clouds become a reddish blue, the midrange luminosity values become a bright yellow etc. I suppose in general Im looking for a way to map luminosity values to colours in a gradient, where Ideally I can define/create the gradient as I please. Even better would be where I can alter the mapping on the fly so that I change the mapping/gradient in retrospect at any time without altering the original/underlying image pixels (ie the luminosity information).
Id be very grateful for any good suggestions on how to best achieve such an effect.
Thanks in Advance.
I have a black and white image. Id like to smoothly map the luminosity values to rgb values in the image.
An example would be a black and white image of a cloudy sky. Id like to colorize the image so that eg. the brightest clouds stay white, the darkest clouds become a reddish blue, the midrange luminosity values become a bright yellow etc. I suppose in general Im looking for a way to map luminosity values to colours in a gradient, where Ideally I can define/create the gradient as I please. Even better would be where I can alter the mapping on the fly so that I change the mapping/gradient in retrospect at any time without altering the original/underlying image pixels (ie the luminosity information).
Id be very grateful for any good suggestions on how to best achieve such an effect.
Thanks in Advance.
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