extent is invalid for geotiff

John Bonk bonk at EOSDATA.GSFC.NASA.GOV
Mon Feb 7 11:39:03 EST 2005


Ed,

Thank you, that worked.  I seems obvious now when I look back at the
documentation.

Perhaps someone can answer another question.  In creating geotiffs, is
there a preferred way of specify coordinates (degrees, UTM, etc)  so that
the image will work well with MapServer?

Thanks again for the response,
John
At 23:10 2005-02-04 -0500, Ed McNierney wrote:
>John -
>
>If that's the only data layer in your map, ignore PROJECTION completely,
>at least for now.
>
>Have you tried an EXTENT of:
>
>EXTENT -13053641.3 3358256.867 -932579.471 5752577.812
>
>         - Ed
>
>Ed McNierney
>TopoZone.com
>
>-----Original Message-----
>From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On
>Behalf Of John Bonk
>Sent: Friday, February 04, 2005 5:08 PM
>To: MAPSERVER-USERS at LISTS.UMN.EDU
>Subject: [UMN_MAPSERVER-USERS] extent is invalid for geotiff
>
>I am very new at this.  I am having problems serving a geotiff image
>with the following attributes:
>
>Projection Method: CT_Equirectangular
>     ProjCenterLatGeoKey: 0.000000 (  0d 0' 0.00"N)
>     ProjCenterLongGeoKey: 0.000000 (  0d 0' 0.00"E)
>     ProjFalseEastingGeoKey: 0.000000 m
>     ProjFalseNorthingGeoKey: 0.000000 m
>
>Corner Coordinates:
>Upper Left    (-13053641.300,5752577.812)
>Lower Left    (-13053641.300,3358256.867)
>Upper Right   (-9325729.471,5752577.812)
>Lower Right   (-9325729.471,3358256.867)
>Center        (-11189685.386,4555417.340)
>
>I have tried all sorts of variation of these number in the EXTENT field
>but  I have
>been getting an 'extent is invalid' message.
>
>Can anyone help me express the EXTENT and PROJECTION to read this file?
>
>John
>=======================================
>John Bonk
>SSAI/NASA GES DISC
>Phone:(301) 614-5280
>Fax:  (301) 614-5268
>For more information about
>the NASA GES DISC and its services:
>http://daac.gsfc.nasa.gov/

=======================================
John Bonk
SSAI/NASA GES DISC
Phone:(301) 614-5280
Fax:  (301) 614-5268
For more information about
the NASA GES DISC and its services:
http://daac.gsfc.nasa.gov/



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