[mapserver-users] GetFeatureInfo request against an OGR virtual data source

[Robert Sanson]

Dear List
 
I have set up Mapserver map file configured as a WMS service. One of my layers is a OGR point data source drawing its coodinates from x,y fields in a SQL-Server database via ODBC. The x,y coordinates are in NZ Map Grid projection (EPSG:27200) but all my other layers are NZ Transverse Mercator (EPSG:2193).
 
My top level SRS is defined as EPSG:2193 (NZTM).
 
The particular OGR data source is therefore being projected to EPSG:2193, which it seems to be doing properly.
 
The layers in the map are displaying correctly, using a number of different clients - OpenLayers, uDig, ArcMap.
 
Now, my problem is that sending the following GetFeatureInfo request from OpenLayers: (also tested manually via a Browser URL):
 
http://10.65.192.1/cgi-bin/gsswms.exe?service=WMS&version=1.1.1&request=GetFeatureInfo&LAYERS=apiaries_dev&QUERY_layers=apiaries_dev&FORMAT=image/png&INFO_FORMAT=gml&SRS=EPSG:2193&BBOX=1478229.486251,5375153.051004,1482462.817299,5379386.382051&WIDTH=512&HEIGHT=512&X=341&Y=19&STYLES=
 
returns the first record in the database table, regardless of the BBOX and location parameters, which are all in terms of EPSG:2193 (NZTM). 
 
Can MapServer back project the GetFeatureInfo request from EPSG:2193 into valid NZMG (EPSG:27200) coordinates in order to request the correct feature details via OGR?
 
Any help appreciated,
 
Robert Sanson
 
Robert Sanson, BVSc, MACVSc, PhD
Geospatial Services
AsureQuality Limited
PO Box 585, Palmerston North
NEW ZEALAND
 
Phone: +64 6 351-7990
Fax: +64 6 351-7919
Mobile: 021 448-472
E-mail: sansonr at asurequality.com

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