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Re: accessing IDL internal (aka "built-in") routines [message #87382 is a reply to message #87245]

Wed, 29 January 2014 22:08

Tom Van Niel
Messages: 4
Registered: February 2012

Junior Member

Hi Everyone,

Thanks Haje, Luke, and Mike for posting on this topic. The solution we came up with turns out to be quite simple. We installed GDAL and access 'gdalwarp' using 'spawn' from GDL, thus bypassing the need to use IDL internal routines for re-projecting altogether. For example from the GDL prompt to re-project a MODIS image from geographic projection (Lat/Lons) to GDA94 MGA Zone 55 (i.e., ~ UTM 55S):

GDL> infn = '/tmp/MOD09GA.hdf'
GDL> outfn = '/tmp/MOD09GA_MGA55.tif'
GDL> EPSG='EPSG:28355'
GDL> spawn, 'gdalwarp -t_srs '+ EPSG + ' '+infn + ' ' + outfn

Cheers,
Tom

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[Message index]

		accessing IDL internal (aka "built-in") routines By: Tom Van Niel on Sun, 12 January 2014 21:11
		Re: accessing IDL internal (aka "built-in") routines By: Haje Korth on Mon, 13 January 2014 06:23
		Re: accessing IDL internal (aka "built-in") routines By: Haje Korth on Mon, 13 January 2014 06:30
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Mon, 13 January 2014 15:52
		Re: accessing IDL internal (aka "built-in") routines By: Haje Korth on Mon, 13 January 2014 17:37
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Mon, 13 January 2014 18:55
		Re: accessing IDL internal (aka "built-in") routines By: Yngvar Larsen on Tue, 14 January 2014 04:32
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Tue, 14 January 2014 13:25
		Re: accessing IDL internal (aka "built-in") routines By: Michael Galloy on Mon, 20 January 2014 12:58
		Re: accessing IDL internal (aka "built-in") routines By: Tom Van Niel on Wed, 29 January 2014 22:08
		Re: accessing IDL internal (aka "built-in") routines By: Haje Korth on Thu, 30 January 2014 04:32
		Re: accessing IDL internal (aka "built-in") routines By: David Fanning on Thu, 30 January 2014 05:09
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Mon, 03 February 2014 15:56
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Mon, 03 February 2014 16:15
		Re: accessing IDL internal (aka "built-in") routines By: luke.a.domanski on Mon, 03 February 2014 18:16

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