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Setting values to NaN [message #39936]

Fri, 25 June 2004 03:28

matt_westmore
Messages: 4
Registered: June 2004

Junior Member

Hi,
I'd realy appreciate someone pointing out why I'm an idiot.

I'm trying to set some values of an image to NaN so that they are not
included in further calculations but I can't seem to do it!!!

eg:
a = indgen(10)
lt5 = where(a LT 5)
a(lt5) = !VALUES.F_NAN
%Program caused arithmetic error: Floating illegal operand
print, a
0 0 0 0 0 5 6 7 8 9

Cheers
Matt

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Re: Setting values to NaN [message #39958 is a reply to message #39936]

Wed, 30 June 2004 07:39

K. Bowman
Messages: 330
Registered: May 2000

Senior Member

In article <c66373b9.0406300337.77bc0430@posting.google.com>,
matt_westmore@yahoo.co.uk (Matt) wrote:

> Thanks guys for all the advice; except of course for the re-direction
> to the fetish site!

You don't need to go there. We can provide all the abuse you need right
here. ;-)

Ken Bowman

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