> Kimball, David (DCR) wrote: >> Hi everyone, >> >> I'm using a WMS GetFeatureInfo to simultaneously query the attributes of >> a line layer and a point layer (from GeoServer). Unfortunately you have >> to click *exactly* on the center of a point to get it to send you the >> point attributes. >> >> http://maps.massgis.state.ma.us/dcr/trails/DCR_RoadTrail10.html >> >> >> map.events.register('click', map, function (e) { >> var url = map.layers[0].getFullRequestString( >> { >> REQUEST: "GetFeatureInfo", >> EXCEPTIONS: "application/vnd.ogc.se_xml", >> BBOX: map.getExtent().toBBOX(), >> X: e.xy.x, >> Y: e.xy.y, >> INFO_FORMAT: 'text/html', >> QUERY_LAYERS: map.layers[8].params.LAYERS + "," >> + map.layers[9].params.LAYERS, >> FEATURE_COUNT: 50, >> WIDTH: map.size.w, >> HEIGHT: map.size.h >> }, >> >> "http://giswebservices.massgis.state.ma.us/geoserver/wms";); >> OpenLayers.loadURL(url, '', this, setHTML, setHTML); >> OpenLayers.Event.stop(e); >> >> >> I searched a bunch for this and all I could find were suggestions to do >> a WFS getfeature instead of a WMS GetFeatureInfo, or to set some options >> on the server (not an option in this case). I'd rather use the WMS >> request because I'd rather not rewrite all my parsing Javascript, and >> there might be a performance hit - some of the lines have hundreds of >> vertices, and when I tried a similar approach recently with large >> polygons it was slow because of the large amount of data sent back. >> >> So, is there any (client-side) radius/tolerance option for >> GetFeatureInfo? >> >> Thanks a lot, >> >> David
Look at TOLERANCE in http://www.mapserver.org/mapfile/layer.html -- Richard Greenwood [email protected] www.greenwoodmap.com _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
