WKT projection definition string

[Frank Warmerdam]

Nicol Hermann wrote:
> Hi List,
>
> Does anybody have a OGC WKT projection definition string which is valid
> to use it with the method setWKTProjection() of PHP mapscript?
> The one i found
>
> PROJCS[ NAD_1983_UTM_Zone_10N ,
>    GEOGCS[ GCS_North_American_1983 ,
>       DATUM[ D_North_American_1983 ,
>       SPHEROID[ GRS_1980 ,6378137,298.257222101]],
>       PRIMEM[ Greenwich ,0],
>       UNIT[ Degree ,0.0174532925199433]],
>    PROJECTION[ Transverse_Mercator ],
>    PARAMETER[ False_Easting ,500000.0],
>    PARAMETER[ False_Northing ,0.0],
>    PARAMETER[ Central_Meridian ,-123.0],
>    PARAMETER[ Scale_Factor ,0.9996],
>    PARAMETER[ Latitude_of_Origin ,0.0],
>    UNIT[ Meter ,1.0]]
>
> in the Simple Features specification did not work. The method
> $layer -> getProjection()
> returns false.

Nicol,

Hmm, that worked for me going through a slightly different way to the same
low level code.  The massaged form of this definition it gave base was as
follows.  Try that.

PROJCS["NAD_1983_UTM_Zone_10N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-123.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_of_Origin",0.0],UNIT["Meter",1.0]]

Best regards,
--
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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