[Gdal-dev] EPSG code of 32618 for WGS 84 / UTM zone 18N

[Ivan Lucena]

Hi John,

 

At http://www.epsg.org/ you can download a MS Access Database/Application in
which you can search and browse through all the EPSG codes.

 

Regards,

 

Ivan

  _____  

From: gdal-dev-bounces at lists.maptools.org
[mailto:gdal-dev-bounces at lists.maptools.org] On Behalf Of John Mitchell
Sent: Wednesday, April 25, 2007 11:52 AM
To: mitchelljj98 at gmail.com; MAPSERVER-USERS at lists.umn.edu; Gdal-Dev
Cc: Mark A Hollis
Subject: [Gdal-dev] EPSG code of 32618 for WGS 84 / UTM zone 18N

 

Hi,

I have the listed the gdalinfo listing of an erdas imagine file below and
notice that it does not have a EPSG code within it.  I need this EPSG code
if I want to reproject within gdalwarp or for on the fly projection within
mapserver.  Based the gdalinfo listing I searched within the epsg file and
found the following code and definition: 

# WGS 84 / UTM zone 18N
<32618> +proj=utm +zone=18 +ellps=WGS84 +datum=WGS84 +units=m +no_defs  <>

Does the above EPSG code of 32618 make sense for the below gdalinfo listing?

Thanks,

John J . Mitchell

----------------------------------------------------------------------------
-------------------------------------------------------------------
Driver: HFA/Erdas Imagine Images (.img)
Size is 13940, 33191
Coordinate System is: 
PROJCS["UTM Zone 18, Northern Hemisphere",
    GEOGCS["WGS_1984",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.2572235630016],
            TOWGS84[0,0,0,0,0,0,0]], 
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-75], 
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["Meter",1]]
Origin = (638992.500000000000000 ,221212.500000000000000)
Pixel Size = (5.000000000000000,-5.000000000000000)
Corner Coordinates:
Upper Left  (  638992.500,  221212.500) ( 73d45'0.91"W,  2d 0'3.21"N)
Lower Left  (  638992.500 ,   55257.500) ( 73d45'3.46"W,  0d29'59.32"N)
Upper Right (  708692.500,  221212.500) ( 73d 7'25.44"W,  2d 0'1.05"N)
Lower Right (  708692.500,   55257.500) ( 73d 7'29.28"W,  0d29' 58.78"N)
Center      (  673842.500,  138235.000) ( 73d26'15.17"W,  1d15'0.67"N)

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-- 
John J. Mitchell 

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