[OpenLayers-Users] getFeatureInfo projection

[Alexandre Dube]

Woups, wrong mail.  Sorry everyone.

Alexandre

Alexandre Dube wrote:
> Lorsque vous utilisez le delete, peser sur "esc" pour désélectionner 
> tous les features.
>
> Alexandre
>
> Alexandre.Laplante at statcan.gc.ca wrote:
>   
>> I'm still stumped on this one. Does anyone know what a Scale of -1 
>> means? Or a Cellsize of 0? Is openlayers sending the coordinates in 
>> meters, while mapserver is expecting them in latlon?
>>  
>> Thanks again,
>> Alexandre Laplante
>>
>>     -----Original Message-----
>>     *From:* Laplante, Alexandre - AGRI/AGRI
>>     *Sent:* July 23, 2009 2:25 PM
>>     *To:* 'users at openlayers.org'
>>     *Subject:* FW: [OpenLayers-Users] getFeatureInfo projection
>>
>>     Yeah, I added getName because I have multiple layers, and I needed
>>     to know which one is being queried. Should have mentioned that. 
>>
>>         -----Original Message-----
>>         *From:* Dave Winfield [mailto:winfield.dave at gmail.com]
>>         *Sent:* July 21, 2009 12:10 PM
>>         *To:* Alexandre.Laplante at statcan.gc.ca
>>         *Subject:* Re: [OpenLayers-Users] getFeatureInfo projection
>>
>>         I'm not totally sure, but what is map.getName() returning? 
>>         You want it to be the layer that's on your wms layer.
>>
>>         On Tue, Jul 21, 2009 at 11:52 AM,
>>         <Alexandre.Laplante at statcan.gc.ca
>>         <mailto:Alexandre.Laplante at statcan.gc.ca>> wrote:
>>
>>             Hello,
>>
>>             I have a map in EPSG:42304 projection. I'm trying to have
>>             a getFeatureInfo return information about clicked
>>             features, but there are always 0 results. I'm using
>>             mapserver, and when I use a template header with:
>>
>>                                     <tr>
>>                                              <th>Bounding box</th>
>>                                             
>>             <td>[minx],[miny],[maxx],[maxy]</td>
>>                                      </tr>
>>                                      <tr>
>>                                              <th>Image Coordinates</th>
>>                                              <td>[img.x], [img.y]</td>
>>                                      </tr>
>>                                      <tr>
>>                                              <th>Map Coordinates</th>
>>                                              <td>[mapx], [mapy]</td>
>>                                      </tr>
>>                                      <tr>
>>                                              <th>Number of results</th>
>>                                              <td>[nr]</td>
>>                                      </tr>
>>                                      <tr>
>>                                              <th>Scale</th>
>>                                              <td>[scale]</td>
>>                                      </tr>
>>                                      <tr>
>>                                              <th>Cellsize</th>
>>                                              <td>[cellsize]</td>
>>                                      </tr>
>>
>>             I get back something like:
>>
>>             *Bounding box*
>>             1593723.472943,6433235.946381,1740788.283491,6511201.698335
>>             *Image Coordinates* 227, 115
>>             *Map Coordinates* 1663128.279584, 6476040.672944
>>             *Number of results* 0
>>             *Scale* -1.000000
>>             *Cellsize* 0.000000
>>             Is this an issue of projection? What does a scale of -1 mean?
>>
>>             This is the relevent openlayers javascript:
>>             map.events.register('click', map, function (e) {
>>                        
>>             OpenLayers.Util.getElement('nodeList').innerHTML =
>>             "Loading... please wait...";
>>
>>                         var url =  wms.getFullRequestString({
>>                                         REQUEST: "GetFeatureInfo",
>>                                         EXCEPTIONS:
>>             "application/vnd.ogc.se_xml",
>>                                         BBOX:
>>             wms.map.getExtent().toBBOX(),
>>                                         X: e.xy.x,
>>                                         Y: e.xy.y,
>>                                         INFO_FORMAT: 'text/html',
>>                                         //QUERY_LAYERS:
>>             wms.params.LAYERS,
>>                                         QUERY_LAYERS: map.getName(),
>>                                         WIDTH: wms.map.size.w,
>>                                         HEIGHT: wms.map.size.h});
>>                         OpenLayers.loadURL(url, '', this, setHTML);
>>                         OpenLayers.Event.stop(e);
>>                   });
>>                 function setHTML(response) {
>>                     OpenLayers.Util.getElement('nodeList').innerHTML =
>>             response.responseText;
>>                 }
>>
>>             Thank you,
>>             Alexandre Laplante
>>
>>
>>             _______________________________________________
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>>
>>
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>>
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>>     
>
>
>   


-- 
Alexandre Dubé
Mapgears
www.mapgears.com