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changing colour

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changing colour Norman Silverstone 30 Jan 13:23
  changing colour Simon Budig 30 Jan 15:06
  changing colour Patrick Horgan 01 Feb 00:28
Norman Silverstone
2010-01-30 13:23:41 UTC (almost 15 years ago)

changing colour

I have a test image which is monochromatic (black/white), is a grid pattern and shades from black on the left to white on the right which I have been using for some Unsharp Mask experiments. In order to extend these experiments I would like to change the test image to a coloured monochromatic image (red/white, green/white and blue/white). Is it possible to change this test image to a coloured image or will I have to hunt around to either find or make new images?

Thank you for any useful advice.

Norman

Simon Budig
2010-01-30 15:06:51 UTC (almost 15 years ago)

changing colour

Norman Silverstone (norman@littletank.org) wrote:

I have a test image which is monochromatic (black/white), is a grid pattern and shades from black on the left to white on the right which I have been using for some Unsharp Mask experiments. In order to extend these experiments I would like to change the test image to a coloured monochromatic image (red/white, green/white and blue/white). Is it possible to change this test image to a coloured image or will I have to hunt around to either find or make new images?

In the Colors menu there are some useful tools to globally change the color, you should be able to do something with them.

What immediately comes to my mind is "gradient map", which maps the current gradient to the intensity levels in the image.

Hope this helps, Simon

Patrick Horgan
2010-02-01 00:28:37 UTC (almost 15 years ago)

changing colour

Norman Silverstone wrote:

I have a test image which is monochromatic (black/white), is a grid pattern and shades from black on the left to white on the right which I have been using for some Unsharp Mask experiments. In order to extend these experiments I would like to change the test image to a coloured monochromatic image (red/white, green/white and blue/white). Is it possible to change this test image to a coloured image or will I have to hunt around to either find or make new images?

Anything's possible. It's probably even easy. If we could see the image we wouldn't be guessing though.

Patrick