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if you have a means to edit the bitmap palette then tracing it is an extra step you don't need; you'd still need to change the colors anyway, and then convert back to bitmap...

DPScan download link listed here: http://www.davidpilling.info/cd/software.html
manual here: http://www.davidpilling.info/cd/DavidPilling/Extras/DPScan/DPScan.pdf - also listed on previous link
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thanks - so can you do this if you do not have access to risc - if so can you post up the palette, because I would love to give that a test :)

sounds interesting if you have access to both RISC OS and windows [which I don't] - but can you guarantee than it will replace the right colors in the right place for other images just by pressing...

I tried that and what I got was this:

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maybe I did something wrong?

how exactly did you do it? - how did you map the colors?

As for what is involved:

you open the file and then you open it's palette to edit - you [double]click on each color in turn, to open the color dialog and change it's vaue to the one you want to...

should be more accurate with the defined values:

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ok this has been changed - it only uses 8 of the 16 colors which is extra work actually probably not...

but overall this is a lot of work, but if this is ok then you know it can be done

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thanks - not sure how long it will take....

that original image you posted it is not a 16 color 4bit image - it is 24bit colour

if you posted up a 4bit image it may be that forum converted it and you can try reposting a zipped image

if...

you want the original image recolored with the target palette?

it sounds like you should be able to do that in a bitmap editor that handles index tables - if you want to post up the palettes and a source image I can run it through photoshop to test for you

I'm not clear on what you are doing - neither 256 x 192 nor 480 x 360 are standard CGA resolutions, but other resolutions were used

are you emulating CGA graphics on a modern computer?

I have...