[mapserver-users] mapserver not generating proper map

Mon, 22 Mar 2010 08:09:43 -0700 

Hi,

I am generating a simple map but mapserver is not generating a proper map.
In fact initially it produced a proper one but after that due to code
changes or some other reason started producing this one.
My code to call mapserver is:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>

<html xmlns="http://www.w3.org/1999/xhtml";>
<head runat="server">
    <title></title>
     <script  
type="text/javascript"src="OL28/OL28/lib/OpenLayers.js"></script> 
      <script type="text/javascript" language="javascript">
          var mapview, layer, layer1, map;
        
         function init() {

             //alert("in init");
             map = new OpenLayers.Map('<%=map.ClientID%>');

             //
             layer = new OpenLayers.Layer.WMS("OpenLayers WMS",
                "http://172.16.0.144:9000/cgi-bin/mapserv.exe?";, { map:
'Shape/newwr1.map', layers: 'STATE', 'format': 'png' });

             //layer1 = new OpenLayers.Layer.WMS("RLine",
"http://172.16.0.144:9000/cgi-bin/mapserv.exe?";, { map: 'Shape/newwr1.map',
transparent: 'true', layers: 'RailwayStations', 'format': 'png' });

             highlightLayer = new OpenLayers.Layer.Vector("Highlighted
Features", {
                 displayInLayerSwitcher: false,
                 isBaseLayer: false
             }
        );
             map.addLayers([layer]);
             map.setCenter(new OpenLayers.LonLat(73.25, 20.35), 6);
             //            for (var i in infoControls) { 
             //            infoControls[i].events.register("getfeatureinfo",
this, showInfo);
             //            map.addControl(infoControls[i]); 
             //        }

             map.addControl(new OpenLayers.Control.LayerSwitcher());
             map.zoomToMaxExtent();
             //        infoControls.click.activate();



         }  
      
      
      </script>
</head>
<body onload="init()">
    <form id="form1" runat="server">
    <div id="map" runat="server" style="width:600px;height:600px">
    
    </div>
    </form>
</body>

and my map file is:

# Map file created from QGIS project file D:/QGIS/newwr.qgs
# Edit this file to customize for your map interface
# (Created with PyQgis MapServer Export plugin)
MAP
  NAME newwr.map
  # Map image size
  SIZE 600 600
  UNITS dd
  EXTENT 67.440106 17.379867 78.390250 25.122977
  FONTSET 'D:\ms4w\Apache\cgi-bin\Shape\font.txt'
  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 gif
  OUTPUTFORMAT
    NAME GIF
    DRIVER 'GD/gif'
    MIMETYPE 'image/gif'
    #IMAGEMODE PC256
    EXTENSION 'gif'
  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'           'newwr.map'
      'wms_onlineresource' 
'http://my.host.com/cgi-bin/mapserv?map=wms.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 'STATE'
    TYPE POLYGON
    DATA 'D:\ms4w\Apache\cgi-bin\Shape\STATE.shp'
    
    METADATA
      'wms_title' 'STATE'
    END
    STATUS DEFAULT
    TRANSPARENCY 100
    PROJECTION
    'proj=longlat'
    'ellps=WGS84'
    'datum=WGS84'
    'no_defs'
    ''
    END
    CLASS
       NAME 'STATE' 
       STYLE
         SYMBOL 0 
         SIZE 2 
         OUTLINECOLOR 0 0 0
         COLOR 255 255 127
       END
    END
  END

  LAYER
    NAME 'WaterBody'
    TYPE POLYGON
    DATA 'D:\ms4w\Apache\cgi-bin\Shape\WaterBody.shp'
    METADATA

But when my map comes up it is having a BBOX size of 256 * 256.
the url of the generated map is as follows:

http://172.16.0.144:9000/cgi-bin/mapserv.exe?MAP=Shape%2Fnewwr1.map&LAYERS=STATE&FORMAT=png&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&BBOX=0,-90,180,90&WIDTH=256&HEIGHT=256

Why does it happen?
Is it because of some wrong openlayers code I have written or some bug?
What should I do to get back to the desired size i.e 600 * 600

Thanks for your attention & efforts.

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