Legacy ImageMagick Discussions Archive

I would like make a gradient from a color image, and apply it to another black and white image. How would I get the gradient from the color image? An example is to get a gradient from a photo of clouds at sunset, and apply it another photo of black and white clouds. How would you do this with ...

I have been trying to optimize a png for the web. Had some luck with this. "convert xxx.png depth 1 colors 1 yyy.png" It actually converted it to a 1 bit per pixel png. I tried "convert xxx.png depth 2 colors 2 yyy.png" and did not have any luck with it. Is this a limitation of the ImageMagik? I ...