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Re: GRIDDATA woes [message #59087 is a reply to message #59063]

Wed, 05 March 2008 08:05

Kenneth Bowman
Messages: 86
Registered: November 2006

Member

In article <MPG.223862e4a9bdefba98a2b0@news.frii.com>,
David Fanning <news@dfanning.com> wrote:

> In the code, lat is a 48-element vector that is irregularly
> spaced, lon is a 96-element vector, that is regularly
> spaced, except for the two end members, and sit is the
> 2D array I wish to resample. In this code, I am trying to
> resample to a 360x180 array, to make it consistent with other
> arrays I have available to me.
>
> nx = 360
> ny = 180
> slon = Scale_Vector(Findgen(nx), 0.5, 359.5)
> slat = Scale_Vector(Findgen(ny), Min(lat), Max(lat))
> x = Interpol(Findgen(N_Elements(lon)), lon, slon)
> y = Interpol(Findgen(N_Elements(lat)), lat, slat)
> xx = Rebin(x, nx, ny, /SAMPLE)
> yy = Rebin(Reform(y, 1, ny), nx, ny)

Usually these grids are (360 x 181), with longitudes from [0, 359] and
latitudes from [-90, 90], but you may have specific reasons for wanting
your particular set of lats and lons.

Ken

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[Message index]

		GRIDDATA woes By: ben.bighair on Sun, 02 March 2008 18:57
		Re: GRIDDATA woes By: Kenneth Bowman on Wed, 05 March 2008 08:05
		Re: GRIDDATA woes By: David Fanning on Wed, 05 March 2008 06:57
		Re: GRIDDATA woes By: Kenneth P. Bowman on Wed, 05 March 2008 05:46
		Re: GRIDDATA woes By: jameskuyper on Wed, 05 March 2008 03:38
		Re: GRIDDATA woes By: David Fanning on Tue, 04 March 2008 21:10
		Re: GRIDDATA woes By: David Fanning on Tue, 04 March 2008 21:04
		Re: GRIDDATA woes By: ben.bighair on Tue, 04 March 2008 19:14
		Re: GRIDDATA woes By: David Fanning on Tue, 04 March 2008 15:58

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