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Re: Resample (neighborhood averaging) a 3D array with missing data [message #86765 is a reply to message #86764]

Mon, 02 December 2013 02:35

zhangj.sdu
Messages: 6
Registered: December 2013

Junior Member

On Monday, December 2, 2013 12:55:09 PM UTC+8, Matthew Argall wrote:
> You could try using SMOOTH(array, WIDTH=4, /NAN), then replace NANs in the original array by the result of the smooth. Then use REBIN.

Thanks, Matthew. It doesn't work when the NaNs are on the edge of 4x4 pixels.

When averaging over each 4x4 pixels sub-image, the NaNs within them should be ignored, like MEAN(sub-image, /NaN)

Clark

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[Message index]

		Resample (neighborhood averaging) a 3D array with missing data By: zhangj.sdu on Sun, 01 December 2013 17:51
		Re: Resample (neighborhood averaging) a 3D array with missing data By: Matthew Argall on Sun, 01 December 2013 20:55
		Re: Resample (neighborhood averaging) a 3D array with missing data By: zhangj.sdu on Mon, 02 December 2013 02:35
		Re: Resample (neighborhood averaging) a 3D array with missing data By: lecacheux.alain on Mon, 02 December 2013 02:35
		Re: Resample (neighborhood averaging) a 3D array with missing data By: lecacheux.alain on Mon, 02 December 2013 02:39
		Re: Resample (neighborhood averaging) a 3D array with missing data By: lecacheux.alain on Mon, 02 December 2013 02:44
		Re: Resample (neighborhood averaging) a 3D array with missing data By: Moritz Fischer on Mon, 02 December 2013 02:47
		Re: Resample (neighborhood averaging) a 3D array with missing data By: zhangj.sdu on Mon, 02 December 2013 16:28

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