[mapserver-users] Error configuring WMS app : Projection library error. Invalid argument...

[Daniel Walton]

Stella,

Try adding a config entry to your mapfile that points to the folder
containing your epsg configuration file:

MAP
    ...
    CONFIG "PROJ_LIB" "C:/somedir/proj/nad/"

    ...
END



 Dan Walton
dgwalton at gmail.com
[image: Linkedin] <http://www.linkedin.com/in/danielwalton2010>[image:
Twitter] <http://twitter.com/danwallie>


On Tue, Jan 5, 2010 at 9:56 AM, stela anders <stelaanders at gmail.com> wrote:

> Hello Frank!
> Thanks for your time ;)
>
> I´m working on Windows 7...
>
> I made all modifications you suggest me, but got the same error...
> The URL now is :
>
>
> http://localhost/cgi-bin-last/mapserv.exe?MAP=C:/inetpub/wwwroot/Openlayer/Mapserver/Mapfile/Map.map&LAYERS=Argentina&TRANSPARENT=true&FORMAT=image/png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&SRS=EPSG:4326&BBOX=-62.9142,-17.3676,-57.2892,-11.7426&WIDTH=256&HEIGHT=256
>
>
> The only difference that I noticed is that the error in browser now is in
> TEXT format...
> Before the error was write in a Image...
>
> I´m completely lost ! :(
>
> Any other idea?
>
> ps.: Sorry for my bad english
>
> Stella
>
> 2010/1/5 Frank Warmerdam <warmerdam at pobox.com>
>
> stela anders wrote:
>>
>>>        LAYER
>>>        NAME Argentina
>>>        METADATA
>>>            "wms_title"    "Argentina"   ##required
>>>        END              TYPE POLYGON
>>>        STATUS ON
>>>        INCLUDE "Connection.map"                DATA "the_geom from
>>> tbl_argentina USING UNIQUE gid USING SRID=0"
>>>        PROJECTION
>>>            "proj=longlat"
>>>            "ellps=WGS84"
>>>            "datum=WGS84"
>>>            "no_defs"
>>>        END
>>>
>>>        CLASS
>>>            COLOR 255 200 255
>>>        END
>>>        END
>>>
>>> END
>>>
>>> When I try to open that with my OpenLayer app, I got images with that
>>> error :
>>>
>>> Error: msProcessProjection(): /Projection library error/. /Invalid
>>> argument
>>>
>>
>> Stella,
>>
>> I am not sure why you are getting this error.  I search high and low and
>> can't
>> find "Invalid argument" in either MapServer or PROJ.4.  Are you working on
>> linux or Windows?  Were the "/" characters really in this message?  It is
>> hard for me to understand how this could happen.
>>
>> With regard to your mapfile, I was surprised that you don't have
>> wms_srs metadata on your layer.  It is a shot in the dark, but perhaps you
>> could add wms_srs EPSG:4326 metadata on the layer, and reorder the wms_srs
>> metadata on the map to put EPSG:4326 first.
>>
>> Also, you could try changing:
>>
>>
>> >         PROJECTION
>> >             "proj=longlat"
>> >             "ellps=WGS84"
>> >             "datum=WGS84"
>> >             "no_defs"
>> >         END
>>
>> to:
>>
>> PROJECTION
>>  "+init=epsg:4326"
>> END
>>
>> in both the layer and map.  This is slower to expand but it might
>> make it easier for mapserver to relate to epsg codes.
>>
>>
>> Best regards,
>> --
>>
>> ---------------------------------------+--------------------------------------
>> I set the clouds in motion - turn up   | Frank Warmerdam,
>> warmerdam at pobox.com
>> light and sound - activate the windows | http://pobox.com/~warmerdam<http://pobox.com/%7Ewarmerdam>
>> and watch the world go round - Rush    | Geospatial Programmer for Rent
>>
>>
>
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