MapServer 4.x; GetFeatureInfo's SRS vs CRS

[Arnaud Diederen]

Hi Tom,
thank you for your reply!

Kralidis,Tom [Burlington] wrote:

>MapServer doesn't support WMS 1.3.0, only 1.1.1 1.0.0, and some in
>between in ad hoc fashion.
>
>You're GetFeatureInfo request cites version=1.3, where it should pass
>1.1.1.  What happens if you send a request like:
>
>
>http://localhost/cgi-bin/mapserv?map=/var/www/workshop/itasca.map&SRS=EP
>SG:4326&BBOX=-99.30245,43.4354,-87.36445,49.404399999999995&TRANSPARENT=
>TRUE&BGCOLOR=0xFFFFFF&EXCEPTIONS=application/vnd.ogc.se_xml&WIDTH=800&HE
>IGHT=400&LAYERS=airports&STYLES=&REQUEST=GetFeatureInfo&VERSION=1.1.1&SE
>RVICE=WMS&INFO_FORMAT=gml&X=363&Y=121&FEATURE_COUNT=100&QUERY_LAYERS=air
>ports
>  
>
It behaves exactly the same (the results with SRS and CRS are the same).
 
Regards,

          Arnaud



>..Tom
>
>
>  
>
>>Hello,
>>
>>When I issue a GetCapabilities on my installation of mapserver, using 
>>the following URL:
>>
>>http://localhost/cgi-bin/mapserv?map=/var/www/workshop/ita 
>>sca.map&service=WMS&version=1.3&request=GetCapabilities
>>
>>I get a capabilities document showing:
>>
>><WMT_MS_Capabilities version="1.1.1">
>>
>>
>>
>>So, the service expects requests of version 1.1.1 of the WMS 
>>spec, but 
>>when I issue a GetFeatureInfo with this URL:
>>
>>http://localhost/cgi-bin/mapserv?map=/var/www/workshop/itasca.
>>    
>>
>map&SRS=EPSG:4326&BBOX=-99.30245,43.4354,-87.36445,49.404399999999995&TR
>ANSPARENT=TRUE&BGCOLOR=0xFFFFFF&EXCEPTIONS=application/vnd.ogc.se_xml&WI
>DTH=800&HEIGHT=400&LAYERS=airports&STYLES=&REQUEST=GetFeatureInfo&VERSIO
>N=1.3&SERVICE=WMS&INFO_FORMAT=gml&X=363&Y=121&FEATURE_COUNT=100&QUERY_LA
>YERS=airports
>
>I get the following error:
>
><ServiceExceptionReport version="1.1.1">
>  <ServiceException code="InvalidSRS">
>    msWMSLoadGetMapParams(): WMS server error. Invalid SRS given : SRS 
>must be valid for all requested layers.
>  </ServiceException>
></ServiceExceptionReport>
>
>hmm. But then, if I change the SRS parameter name to CRS, I get a valid 
>(though empty) result:
>
><msGMLOutput
>     xmlns:gml="http://www.opengis.net/gml"
>     xmlns:xlink="http://www.w3.org/1999/xlink"
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
></msGMLOutput>
>
>The weird thing is that in the version 1.1.1 of the spec, there is no 
>CRS parameter for the GetFeatureInfo, but an SRS parameter. SRS was 
>changed to CRS at version 1.3.
>It looks to me like a bug, am I wrong?
>
>Best regards,
>
>         Arnaud
>
>Last Minute Addendum: When I try with the equivalent (projected) native 
>logical bbox, in the native SRS (EPSG:26915, this is the Itasca demo!) 
>mapserver doesn't mind the name of the SRS param. Both SRS and CRS work.
>
>Now, I'm totally lost o_O
>Will mapserver refuse to work properly if asked for features with a 4326
>
>box?
>
>
>Thanks for any information!
>  
>