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

stela anders stelaanders at gmail.com
Tue Jan 5 07:56:08 PST 2010


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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