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Re: Lambert Projection to Lat Lon [message #40042 is a reply to message #40031]

Thu, 01 July 2004 15:00

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

Will McCarty wrote:
> Does anyone have any code that will generate a latitude and longitude
> grid given typical lambert projection and grid settings? I'm trying
> to get GRIB data (from the ETA 212 grid) into a format easily compared
> with some satellite and point data I'm using. Without a Lat and Lon
> grid, however, it is generally useless to me. I've got the projection
> info extracted from the file:
>
> Lambert Conf: Lat1 12.190000 Lon1 -133.459000 Lov -95.000000
> Latin1 25.000000 Latin2 25.000000 LatSP 0.000000 LonSP 0.000000
> North Pole (185 x 129) Dx 40.635000 Dy 40.635000 scan 64 mode 8
>
> I'm just looking for a nice piece of code that can dump out a lat an
> lon grid for a known grid size and spacing.

I should think you could write something suitable using the
MAP_PROJ_INVERSE function (introduced in IDL 5.6).

--
Mark Hadfield "Ka puwaha te tai nei, Hoea tatou"
m.hadfield@niwa.co.nz
National Institute for Water and Atmospheric Research (NIWA)

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[Message index]

		Re: Lambert Projection to Lat Lon By: Mark Hadfield on Sun, 04 July 2004 17:09
		Re: Lambert Projection to Lat Lon By: willmccarty on Fri, 02 July 2004 11:58
		Re: Lambert Projection to Lat Lon By: Mark Hadfield on Thu, 01 July 2004 15:00

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