problem with alpha extraction

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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sin
Posts: 46
Joined: 2011-04-23T11:06:13-07:00
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problem with alpha extraction

Post by sin »

Thanks for your help in getting the edges of an image.

But when i execute those commands it is showing an error message that "alpha extraction is unrecognizable". so im not able to execute the command with alpha extraction. so please tell me what should i do and how should i proceed?
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fmw42
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Joined: 2007-07-02T17:14:51-07:00
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Location: Sunnyvale, California, USA

Re: problem with alpha extraction

Post by fmw42 »

sin wrote:Thanks for your help in getting the edges of an image.

But when i execute those commands it is showing an error message that "alpha extraction is unrecognizable". so im not able to execute the command with alpha extraction. so please tell me what should i do and how should i proceed?

What version of IM and platform are you using and what is the exact command line you are trying.

You appear to be referencing back to some other post. Perhaps you could link to it so we can see to what you are referring.
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