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Re: Assigning NaN to arrays [message #39278]

Sun, 09 May 2004 16:18

elv
Messages: 2
Registered: May 2004

Junior Member

elv@irtf.ifa.hawaii.edu (Eric Volquardsen) wrote in message news:<49b2657.0405080139.3a293765@posting.google.com>...
> I was assigning NaN to the locations of bad pixels in an image. I
> then replace the bad pixels with the median of the surrounding good
> pixels. Instead of doing so, IDL assigned 2.14748e9. Everything I
> have seen in the IDL documentation seems to indicate that this would
> work.?.
>
> w = WHERE(mask EQ 1)
> size_img = SIZE(image, /dimensions)
> size_img = size_img[0]
> image[w] = !values.f_nan
> x = w MOD size_img
> y = w / size_img
> FOR i = 0, (n_elements(w)-1) DO image[w[i]] = MEDIAN(image[x-2:x+2,
> y-2:y+2])

Found the problem. For some reason, image "decided" it was an integer array.

Thanks,

Eric

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		Re: Assigning NaN to arrays By: elv on Sun, 09 May 2004 16:18
		Re: Assigning NaN to arrays By: Chris Lee on Sat, 08 May 2004 05:24

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