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Re: Geographic Lat/Lon [message #59902 is a reply to message #59898]

Fri, 11 April 2008 11:13

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On Apr 11, 7:14 pm, robinson....@gmail.com wrote:
> Dear all,
>
> I was wondering if someone could suggest me how to specify the
> following ENVI information in IDL:
>
> map info = {Geographic Lat/Lon, 1.0000, 1.0000, -130.54072891,
> 40.00000000, 4.8112599312e-003, 4.8112599312e-003, WGS-84,
> units=Degrees}
>
> I need to create lats and lons grids for the "Geographic Lat/Lon"
> projection and they must give me the same geolocation for each pixel
> as ENVI does. I am using IDL 6.3
>
> Thanks
> Robinson

call envi_convert_file_coordinates, fid, X,Y, lat,long (with NO
keyword), which will change your lat-long to the corresponding pixel
row
and column on your image.

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[Message index]

		Re: Geographic Lat/Lon By: jeffnettles4870 on Sat, 12 April 2008 15:45
		Re: Geographic Lat/Lon By: David Fanning on Fri, 11 April 2008 16:33
		Re: Geographic Lat/Lon By: robinson.inj on Fri, 11 April 2008 15:33
		Re: Geographic Lat/Lon By: David Fanning on Fri, 11 April 2008 15:00
		Re: Geographic Lat/Lon By: David Fanning on Fri, 11 April 2008 14:59
		Re: Geographic Lat/Lon By: Jean H. on Fri, 11 April 2008 14:39
		Re: Geographic Lat/Lon By: robinson.inj on Fri, 11 April 2008 14:20
		Re: Geographic Lat/Lon By: d.poreh on Fri, 11 April 2008 11:13

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