What command to be used to make "Return" button as a button to continue an automated tool?

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Mahmoud
Mahmoud 2015-3-8
回答： Chad Greene 2015-3-8
I am doing an automated tool on matlab for an image. Now, I used imellipse and the to convert the selected one to binary image. in the automated tool what command can be used to let the user draw the ellipse and how to make the "return" button continue the operation after the user finishes the ellipse?

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Chad Greene
Chad Greene 2015-3-8
Use waitforbuttonpress and key = get(gcf, currentcharacter). If key equals 13, the user hit return.

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