[gdal-dev] Re: can't derive the projection for a geotiff in Guatemala

John Mitchell mitchelljj98 at gmail.com
Wed Oct 1 15:14:25 EDT 2008


The projection for the below listed gdalinfo file may be Guatemala
Transverse Mercator (GTM).  I looked in the epsg file and I could not find
any EPSG code that had Guatemala Transverse Mercator (GTM).  Does anyone
know how I could build a new epsg code for Guatemala Transverse Mercator
(GTM) that I can put within the epsg file?

Thanks,

John

On Wed, Sep 24, 2008 at 4:03 PM, John Mitchell <mitchelljj98 at gmail.com>wrote:

> Hi,
>
> I am having difficulty deriving the EPSG code/projection/Coordinate System
> for a geotiff in Guatemala.
>
> Any help would be appreciated.
>
> Below is the gdalinfo listing:
>
> Driver: GTiff/GeoTIFF
> Size is 11214, 7860
> Coordinate System is `'
> Origin = (317049.000000000000000,1659460.000000000000000)
> Pixel Size = (0.500000000000000,-0.500000000000000)
> Metadata:
>   AREA_OR_POINT=Area
>   TIFFTAG_SOFTWARE=ERDAS IMAGINE
>   TIFFTAG_XRESOLUTION=1
>   TIFFTAG_YRESOLUTION=1
>   TIFFTAG_RESOLUTIONUNIT=1 (unitless)
> Corner Coordinates:
> Upper Left  (  317049.000, 1659460.000)
> Lower Left  (  317049.000, 1655530.000)
> Upper Right (  322656.000, 1659460.000)
> Lower Right (  322656.000, 1655530.000)
> Center      (  319852.500, 1657495.000)
> Band 1 Block=11214x8 Type=Byte, ColorInterp=Red
> Band 2 Block=11214x8 Type=Byte, ColorInterp=Green
> Band 3 Block=11214x8 Type=Byte, ColorInterp=Blue
>
> Thanks,
>
> --
> John J. Mitchell
>



-- 
John J. Mitchell
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