comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » Re: GeoTiff- grid

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: GeoTiff- grid [message #58124 is a reply to message #58123]

Tue, 22 January 2008 14:23

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

robinson.inj@gmail.com writes:

> David, I followed your examples but still have problems. In the uv
> space my corners IDL and ENVI aggred
> UpperLeftCoordinate:(-167346.0185E, 3677892.5566N)
> LowerRightCoordinate:(1222128.8184E,2983386.7945N)
> However in the lon/lat space i got:
> IDL: UpperLeftCoordinate: (-98.555279E, 45.411655N)
> LowerRightCoordinate: ( -81.568627E,51.346972N)
> ENVI: UpperLeftCoordinate: (-98.09914722E, 33.30501389N)
> LowerRightCoordinate:(-84.82142500E, 27.55810278N)
> My image has 3000 col x 1500 lin. The pix resolution is 463.3127
> meters.
>
> mercatorMap =3D MAP_PROJ_INIT('Mercator', $
> DATUM=3D8, $ ; WGS84
> CENTER_LATITUDE=3D20.000, $
> CENTER_LONGITUDE=3D-96.5000)
>
> I tried different things but in all cases idl and envi did not match,
> and I do not have any clue where is my error.
>
> Any suggestion is welcome.

Why don't you post the listgeo output, so we can see what it
thinks the map projection is suppose to be.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Report message to a moderator

[Message index]

		Re: GeoTiff- grid By: robinson.inj on Tue, 22 January 2008 14:40
		Re: GeoTiff- grid By: David Fanning on Tue, 22 January 2008 14:23
		Re: GeoTiff- grid By: robinson.inj on Tue, 22 January 2008 14:03
		Re: GeoTiff- grid By: David Fanning on Tue, 22 January 2008 13:12
		Re: GeoTiff- grid By: David Fanning on Mon, 21 January 2008 17:48
		Re: GeoTiff- grid By: robinson.inj on Mon, 21 January 2008 17:03
		Re: GeoTiff- grid By: David Fanning on Mon, 21 January 2008 14:39
		Re: GeoTiff- grid By: David Fanning on Tue, 22 January 2008 14:47

Previous Topic:	Re: IDL Workbench Starting Directory
Next Topic:	interface between IDL and Matlab

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 01:39:01 PDT 2025

Total time taken to generate the page: 4.00263 seconds