How can I use the image data stored in setappdata twice in my code?

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Gee Cheng Mun 2016-1-15

评论： Gee Cheng Mun 2016-1-16

I stored an image data using setappdata in this function. I would like to use this image data twice in 2 separate functions. How can this be done?

Walter Roberson 2016-1-15

Either use nested functions and shared variables, or getappdata() in both functions where you need the data.

Walter Roberson 2016-1-15

getappdata() does not display data; you need to imshow() or image() or imagesc() the retrieved data.

And of course the retrieval has to be after the data has been stored; in your second case your flow of routines might not have stored it yet.

Gee Cheng Mun 2016-1-16

yes! I got it, thank you so much for all your help!:)

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