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Re: Interpolation [message #2192 is a reply to message #2184]

Fri, 03 June 1994 01:14

stl
Messages: 70
Registered: February 1994

Member

In article <2sl5qo$h1q@apakabar.cc.columbia.edu> jun@eureka.phys.columbia.edu (Jun Xu) writes:
> I am using IDL to process and display 3D data. At some stage, I have to
> interpolate a volume p=p(x,y,z) or a surface z=z(x,y) defined on an irregular
> grid onto a regular grid. Does any one know any IDL program that has this
> capability?

hi,

Well, it depends on how mathimaticly correct you need this stuff. I
believe you could do some very very complicated stuff here, but there is
a relatively simple solution.
Use the trigrid and triangulate procedures in IDL. In the Reference
manual, there is a good example in the Trigrid section of how this
works.

-hope this help (sorry, but I am no mathimatician. Cannot spell
fro squate either!)

-stephen

--
Stephen C Strebel / SKI TO DIE
stl@maz.sma.ch / and
Swiss Meteorological Institute, Zuerich / LIVE TO TELL ABOUT IT
01 256 93 85 / (and pray for snow)

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[Message index]

		Interpolation By: jun on Thu, 02 June 1994 10:44
		Re: Interpolation By: stl on Fri, 03 June 1994 01:14
		Re: Interpolation By: tarequeaziz on Mon, 14 April 2008 13:13
		Re: Interpolation By: Spon on Mon, 14 April 2008 11:44
		Re: Interpolation By: Spon on Mon, 14 April 2008 08:34
		Re: Interpolation By: tarequeaziz on Sat, 12 April 2008 17:56
		Re: Interpolation By: ben.bighair on Sat, 12 April 2008 15:26
		Re: Interpolation By: tarequeaziz on Sat, 12 April 2008 13:24
		Re: Interpolation By: ben.bighair on Sat, 12 April 2008 08:57
		Re: interpolation By: Yngvar Larsen on Thu, 08 December 2011 13:24
		Re: interpolation By: Brian Wolven on Thu, 08 December 2011 12:57
		Re: interpolation By: anil on Thu, 08 December 2011 04:15
		Re: interpolation By: anil on Thu, 08 December 2011 04:15
		Re: interpolation By: anil on Thu, 08 December 2011 04:15
		Re: interpolation By: Kenneth P. Bowman on Wed, 07 December 2011 14:25
		Re: interpolation By: Brian Wolven on Wed, 07 December 2011 12:27
		Re: interpolation By: David Fanning on Wed, 07 December 2011 12:13
		Re: interpolation By: Jeremy Bailin on Wed, 07 December 2011 12:07
		Re: interpolation By: anil on Wed, 07 December 2011 09:50
		Re: interpolation By: Russell[1] on Wed, 07 December 2011 08:42
		Re: interpolation By: anil on Wed, 07 December 2011 05:51
		Re: interpolation By: anil on Wed, 07 December 2011 05:48

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