[OpenLayers-Users] i Only get gray screen

Mon, 02 Jul 2007 07:45:16 -0700 

When i try to publish whit http://trac.openlayers.org/wiki/MappingYourData i
get all the thin ok
But when i try whit my own data i only get solid gray.
I tray whit WMS instead of mapserver layer and the same result.


this query
http://localhost/cgi-bin/mapserv?map=/var/www/mapa/unc.map&LAYERS=Ciudad&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fjpeg&SRS=EPSG%3A4326&BBOX=-22.5%2C33.75%2C-11.25%2C45&WIDTH=256&HEIGHT=256
Return an gray box
when i erase BBOX=-22.5%2C33.75%2C-11.25%2C45
http://localhost/cgi-bin/mapserv?map=/var/www/mapa/unc.map&LAYERS=Ciudad&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&FORMAT=image%2Fjpeg&SRS=EPSG%3A4326&WIDTH=256&HEIGHT=256
I get a map.

Can any one help me?.


my .map

# Map file created from QGIS project file /var/www/mapa/unc.qgs
# Edit this file to customize for your map interface
MAP
 NAME mapa
 # Map image size
 SIZE 800 600
 UNITS METERS

 EXTENT -64.196055 -31.444185 -64.179119 -31.430301
 PROJECTION
   'proj=longlat'
   'ellps=WGS84'
   'datum=WGS84'
   'no_defs'
 END

 # Background color for the map canvas -- change as desired
 IMAGECOLOR 192 192 192
 IMAGEQUALITY 95
 IMAGETYPE png
 OUTPUTFORMAT
   NAME png
   DRIVER 'GD/PNG'
   MIMETYPE 'image/png'
   #IMAGEMODE PC256
   EXTENSION 'png'
 END
 # Legend
 LEGEND
     IMAGECOLOR 255 255 255
   STATUS ON
   KEYSIZE 18 12
   LABEL
     TYPE BITMAP
     SIZE MEDIUM
     COLOR 0 0 89
   END
 END

 # Web interface definition. Only the template parameter
 # is required to display a map. See MapServer documentation
 WEB
   # Set IMAGEPATH to the path where MapServer should
   # write its output.
   IMAGEPATH '/tmp/'

   # Set IMAGEURL to the url that points to IMAGEPATH
   # as defined in your web server configuration
   IMAGEURL '/tmp/'

   # WMS server settings
   METADATA
     'wms_title'           'mapa'
     'wms_onlineresource'  '
http://localhost/cgi-bin/mapserv?map=/var/www/mapa/unc.map&;'
     'wms_srs'             'EPSG:4326'
   END

   #Scale range at which web interface will operate
   # Template and header/footer settings
   # Only the template parameter is required to display a map. See
MapServer documentation
 END

 LAYER
   NAME 'Ciudad'
   TYPE POLYGON
   DATA '/var/www/mapa/uncdata/Ciudad.shp'
   METADATA
     'wms_title' 'Ciudad'
   END
   STATUS DEFAULT
   TRANSPARENCY 100
   PROJECTION
   'proj=longlat'
   'ellps=WGS84'
   'datum=WGS84'
   'no_defs'
   END
   CLASS
      NAME Ciudad
      STYLE
        SYMBOL 0
        SIZE 6
        OUTLINECOLOR 0 0 0
        COLOR 161 59 179
      END
   END
 END



END


My html
<html xmlns="http://www.w3.org/1999/xhtml";>
 <head>
   <style type="text/css">
       #map {
           width: 800px;
           height: 475px;
           border: 1px solid black;
       }
   </style>
  <script src="http://openlayers.org/dev/lib/OpenLayers.js";></script>
   <script type="text/javascript">
       <!--
       var lon = 5;
       var lat = 40;
       var zoom = 5;
       var map, layer;

       function init(){
           map = new OpenLayers.Map( 'map' );
           layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
                   "
http://localhost/cgi-bin/mapserv?map=/var/www/mapa/unc.map&";, {layers:
'Ciudad'} );
           map.addLayer(layer);

           map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
           map.addControl( new OpenLayers.Control.LayerSwitcher() );
       }

       // -->
   </script>
 </head>
 <body onload="init()">
   <div id="map"></div>
 </body>
</html>



--
Pablo PDA
http://www.pablopda.com.ar/blog

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