comp.lang.idl-pvwave archive: archive » IDL 4.0.1, best way to deal with missing/bad data

Home » Public Forums » archive » IDL 4.0.1, best way to deal with missing/bad data

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: IDL 4.0.1, best way to deal with missing/bad data [message #5834 is a reply to message #5783]

Mon, 19 February 1996 00:00

rfinch
Messages: 51
Registered: March 1991

Member

>>>> > "Bill" == William Thompson <thompson@orpheus.nascom.nasa.gov> writes:

Bill> rfinch@toe.CS.Berkeley.EDU (Ralph Finch) writes:

Bill> The trouble with using NaN values is that not all computers use
Bill> IEEE floating point notation. Specifically, I'm talking about
Bill> the VAX floating point notation used in VMS, which is still an
Bill> extremely important platform to us. (As far as I'm aware, that
Bill> may be the only exception among modern computers.)

Bill> Perhaps RSI has figured out a way around this difficulty.

What I'd really like is to have a MISS keyword, so you could define
the missing value yourself; MISS=-901.0 in my case. Every
computational and plot routine would understand this keyword.
Computations would ignore those values, plots would skip them.
--
"Nada burra la chamaca." A.G.
Opinions expressed are mine, not my employer or news host.
rfinch@toe.cs.berkeley.edu

Report message to a moderator

[Message index]

		IDL 4.0.1, best way to deal with missing/bad data By: rfinch on Fri, 09 February 1996 00:00
		Re: IDL 4.0.1, best way to deal with missing/bad data By: f055 on Thu, 22 February 1996 00:00
		Re: IDL 4.0.1, best way to deal with missing/bad data By: rfinch on Mon, 19 February 1996 00:00
		Re: IDL 4.0.1, best way to deal with missing/bad data By: thompson on Sat, 17 February 1996 00:00

Previous Topic:	Re: Printing problems from IDL in Windows 95
Next Topic:	Problem with stereographic projection

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Nov 30 02:21:49 PST 2025

Total time taken to generate the page: 1.99733 seconds