[OpenLayers-Users] Perhaps a UMN Question

[Rahn Hanno (rahn)]

Hello list,

I have a little question. Perhaps it is a UMN Mapserver Mapfile question, but 
perhaps you can help me a little bit.

I try to show a WMS layer in OpenLayers. For this I made a mapfile. In this 
mapfile I realise a layer like this:

LAYER
    NAME 'symbol'
    TYPE POLYGON
    
    CONNECTIONTYPE postgis
    CONNECTION 'host=*** user=*** password=*** dbname=***'
    DATA 'the_geom FROM gines_geo_2007 using unique oid using srid 21781'
        
        METADATA
                "wms_title" "WMS symbol"
        END
        
        PROJECTION
                "init=epsg:21781"
        END     
              
    STATUS ON
                
    CLASSITEM 'bfs'
    CLASS
      NAME ''
      EXPRESSION '' 
      STYLE
        SYMBOL 0
        SIZE 3
                COLOR 63 153 94
        OUTLINECOLOR 170 85 0
       END
    END 
END

All other layers in this mapfile works, so I think the mapfile header is 
correct.

And now I try to test the layer in my OpenLayers. For this I try this:

var urlArray =["http://***/cgi-bin/mapserv.exe?";, 
"http://***/cgi-bin/mapserv.exe?";];
var mapFile2 = "../htdocs/"+pfad+"/Maps/Hintergrund.map";

var symbolLayer = new OpenLayers.Layer.WMS("Symbollayer", urlArray, 
{map:mapFile2, layers:"symbol", transparent:"true"},{singleTile: true, 
ratio:1});

symbolLayer.setIsBaseLayer(false);      
map.addLayer(symbolLayer);

But I see nothing. In The Layerswitcher the layer is shown, but I see no map. 
All other layers work, so that I think the extent and so on is right. I think 
this is a UMN problem, but perhaps somebody has an idea here? If I try to show 
the GetMap request directly in the Browser it does'nt work, but I get no error 
message or message that something is wrong.

Hope that somebody can help me.

Greetings
Hanno 


 
 


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