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Re: Faster linear interpolation? [message #23702]

Thu, 08 February 2001 15:55

Frank Eparvier
Messages: 3
Registered: January 2001

Junior Member

Thanks Paul! I guess it pays to keep up with the newer additions
to the IDL built-in library!

Frank

Paul van Delst wrote:
>
> Frank Eparvier wrote:
>>
>> Hi All,
>>
>> We're trying to make some data processing code run faster.
>> Does anyone know of a speedier linear interpolation than
>> the built-in INTERPOL?
>
> The built-in INTERPOLATE. It's much, much speedier
>
> Check out the JHU/APL interpolation in IDL tutorial:
>
> http://fermi.jhuapl.edu/s1r/idl/s1rlib/interp/interp.html

------------
Frank Eparvier, Univ. Colorado - LASP
mailto:eparvier@colorado.edu
http://stripe.colorado.edu/~eparvier
Office: 303-492-4546, Fax: 303-492-6444
------------

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Re: Faster linear interpolation? [message #23707 is a reply to message #23702]

Thu, 08 February 2001 14:12

Paul van Delst
Messages: 364
Registered: March 1997

Senior Member

Frank Eparvier wrote:
>
> Hi All,
>
> We're trying to make some data processing code run faster.
> Does anyone know of a speedier linear interpolation than
> the built-in INTERPOL?

The built-in INTERPOLATE. It's much, much speedier

Check out the JHU/APL interpolation in IDL tutorial:

http://fermi.jhuapl.edu/s1r/idl/s1rlib/interp/interp.html

--
Paul van Delst A little learning is a dangerous thing;
CIMSS @ NOAA/NCEP Drink deep, or taste not the Pierian spring;
Ph: (301)763-8000 x7274 There shallow draughts intoxicate the brain,
Fax:(301)763-8545 And drinking largely sobers us again.
pvandelst@ncep.noaa.gov Alexander Pope.

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Re: Faster linear interpolation? [message #23710 is a reply to message #23707]

Thu, 08 February 2001 13:46

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

"Frank Eparvier" <eparvier@colorado.edu> wrote in message
news:3A830DF3.9905072F@colorado.edu...
> Hi All,
>
> We're trying to make some data processing code run faster.
> Does anyone know of a speedier linear interpolation than
> the built-in INTERPOL?

Try INTERPOLATE. This is built-in, whereas INTERPOL is actually written in
IDL.

---
Mark Hadfield
m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield
National Institute for Water and Atmospheric Research

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