Padding circular data set
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I have data in a circular domain centered in a square array. The diameter of the circle is less than the dimension of the array. Outside of the circle are NaN. I would like to use something similar to the padarray function to replace the NaN values with values that are mirrored symmetrically across the perimeter of the circle (i.e. mirrored radially). Is this possible or is there some other function to achieve this?
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Image Analyst
2014-3-19
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Nope. That is a rather specialized operation and you'd have to write that yourself. You can easily determine which values are nan, but to find out which pixel, along the radial axis, but on the other side of the circle perimeter to take to replace the nan with is something you'll have to write yourself.
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