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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for a discussion of why GIF is a poor format for transparent images and how to work around transparency issues if you are force to use GIF instead of PNG.
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You could export a magnified image (say 400%) in GIF format, then use ImageMagick to resize it to the normal size while converting to PNG. That should automatically antialias it for you.