how can I add a transparency gradient in a grayscale to an image?

Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
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fmw42
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Re: how can I add a transparency gradient in a grayscale to an image?

Post by fmw42 »

Yes, you are right there are differences

In general, IM does not do well processing in CMYK. I do not recommend processing in CMYK. You should convert to sRGB, process and then convert back to CMYK.
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