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how to display image circular

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nadine
nadine 2012-11-10
hello, i would like to display my png image in guide in a circular form. Do i need to change the axes properties, or do i need to change something about my image beforehand? in the end it needs to be a round image that is also manually "zoomable", by using the mouse (drag n drop). I hope you can help me, thank you.

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Walter Roberson
Walter Roberson 2012-11-10
MATLAB cannot handle circular axes. Images for display must be rectangular. However, you can control the transparency of pixels in the image and make the ones outside the circle transparent.

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nadine
nadine 2012-11-12
Do you know if it would be possible to have that circle be resizeable as well? With the mouse? I havnt figured out the code yet, except that i need to use >> alpha (0.5) help?

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