[OpenLayers-Users] WFS map from shapefiles

[Zac Spitzer]

where are the min max scales being defined?

you set  numZoomLevels: 18 but there's no scale

so how does OL know what 6 means in
map.setCenter(new OpenLayers.LonLat(73.25, 20.35), 6);

?

On 25 March 2010 16:48, sunny74 <sb.ray at hotmail.com> wrote:
>
> Dear Friends,
>
> I am trying to create and display a WFS map but I am getting various
> errors.The map is not getting displayed.
>
> The code which displays map is as follows:
>
> function init1() {
>              // srs=EPSG:4326,bounds
>             var options = {
>           projection: "epsg:4326",
>           numZoomLevels: 18,
>           maxExtent: new OpenLayers.Bounds(67.440106, 17.379867, 78.390250,
> 25.122977),
>           units : "dd"
>          }
>
>              map = new OpenLayers.Map('<%=map.ClientID%>', options);
>              layer = new OpenLayers.Layer.WFS("OpenLayers WFS",
> "http://localhost:9000/cgi-bin/mapserv.exe?map=d:/ms4w/apache/cgi-bin/Shape/wfs_map.map",
> { typename: 'STATE' });
>
>              map.addLayers([layer]);
>              //map.zoomToMaxExtent();
>             // map.setCenter(new OpenLayers.LonLat(73.25, 20.35), 6);
>              map.addControl(new OpenLayers.Control.LayerSwitcher());
>
>          }
>
> I am getting errors for the line map.setCenter(new OpenLayers.LonLat(73.25,
> 20.35), 6);
> It is going to a function called IsvalidLonlat in the Map.js and there the
> lonlat is coming as Invalid.
> Similarly I am getting error for map.zoomToMaxExtent();
>
> My map file is as given below:
>
> # 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 wfs_map.map
>  STATUS ON
>  # 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'
>  #SHAPEPATH 'D:\ms4w\Apache\cgi-bin\Shape'
>  IMAGECOLOR 192 192 192
>  END
>    # Legend
>
>
>  # 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 "/ms4w/tmp/ms_tmp/"
>
>    # Set IMAGEURL to the url that points to IMAGEPATH
>    # as defined in your web server configuration
>    IMAGEURL "/ms_tmp/"
>
>    # WFS server settings
>    METADATA
>      'wfs_title'           'wfs_map.map'
>      'wfs_onlineresource'
> 'http://127.0.0.1:9000/cgi-bin/mapserv.exe?map=wfs_map.map&'
>      'wfs_srs'             'EPSG:42304 EPSG:42101 EPSG:4269 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
>    METADATA
>     "wfs_title"    "STATE" ## REQUIRED
>     "gml_featureid" "1" ## REQUIRED
>     "gml_include_items" "all"
>    END
>    STATUS ON
>    #TRANSPARENCY 100
>    DATA "D:/ms4w/Apache/cgi-bin/Shape/STATE.shp"
>
>    DUMP TRUE
>    CLASS
>       NAME 'STATE'
>       STYLE
>        OUTLINECOLOR 0 0 0
>         COLOR 255 255 127
>       END
>        TEMPLATE "ttt_query.html"
>    END
>  END
>
>
> END
>
> Why I am getting these errors?
> How to properly display a map using WFS?
>
> Thanks for your efforts.
> --
> View this message in context: http://n2.nabble.com/WFS-map-from-shapefiles-tp4795937p4795937.html
> Sent from the OpenLayers Users mailing list archive at Nabble.com.
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>



-- 
Zac Spitzer
Solution Architect / Director
Ennoble Consultancy Australia
http://www.ennoble.com.au
http://zacster.blogspot.com
+61 405 847 168