I'm not sure on the specifics of our implementation, you can read the source code to get an idea.
The GetFeatureInfo definitely passes the CITE tests, which _should_ test the proper implementations, though they may be a bit thin for this stuff.
As for question 2, we recommend just using GetFeature, where you can use a filter like DWithin to configure the tolerance for each request, on the client side.
As for parameter I and J, I think you may need X and Y as well, the spec says you basically need the full GetMap request, plus the additional parameters like I and J.
Chris
Ralph Buchfelder wrote:
dear list,
i'm doing my way through client development but face a problem
trying to receive any WMS GetFeatureInfo from your Geoserver software.
my geoserver version
1.3.1 official as of today
my request
http://127.0.0.1:8080/geoserver/wms?REQUEST=GetFeatureInfo&VERSION=1.3.0&LAYERS=rgb:dom&STYLES=capitals&SRS=EPSG:4326&BBOX=12.085,49.01,12.11,49.025&FORMAT=image/png&WIDTH=200&HEIGHT=200&TRANSPARENT=TRUE&QUERY_LAYERS=rgb:dom&INFO_FORMAT=text/html&FEATURE_COUNT=1&X=113&Y=51
my shapefile
point shapefile with the attribute Name in the attribute table
i intend to receive HTML output (works!) but get no data
i.e. no rows displayed (only: the_geom ID NAME)
QUESTION 1:
how is your X and Y parameter set/pixel coordinate system implemented?
0,0 in the upper left corner?
QUESTION 2:
where can i configure the "snapping" for focussing getFeatureInfo in server administration?
i.e. adjust the snapping tolerance in pixel?
QUESTION 3:
why does parameter I and J according to OGC WMS Specs
(http://portal.opengeospatial.org/files/?artifact_id=14416)
return an error?
<ServiceException code="">X and Y incorrectly specified
best regards
buchfelder
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University of Regensburg
Department of Geography
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+49 179 6218456
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Chris Holmes
The Open Planning Project
http://topp.openplans.org