comp.lang.idl-pvwave archive
Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado

Home » Public Forums » archive » Top 10 IDL Requests
Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend 
Return to the default flat view Create a new topic Submit Reply
Re: Top 10 IDL Requests [message #20934 is a reply to message #20666] Tue, 01 August 2000 00:00 Go to previous messageGo to previous message
Liam E. Gumley is currently offline  Liam E. Gumley
Messages: 378
Registered: January 2000
Senior Member
Michael Plonski wrote:
> 1) Complement of Where - so the same call returns where, and a named
> variable returns where-not

FUNCTION WHERENOT, TEST, COUNT
return, where(test eq 0, count)
END

b = where(a lt 5, count)
print, b, count
0 1 2 3 4
5

b = wherenot(a lt 5, count)
print, b, count
5 6 7 8 9
5

It requires another 'where' call if you want the where and where-not,
but I'm guessing this functionality isn't needed that often.

Cheers,
Liam.
http://cimss.ssec.wisc.edu/~gumley
[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: avs field
Next Topic: Dear Santa: PVWAVE Style Date/Time Axes in IDL

-=] Back to Top [=-
[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Fri Oct 17 21:19:14 PDT 2025

Total time taken to generate the page: 0.80066 seconds