WMS - GetMap request(GetFeatureInfo) Parameters List

Request Parameter	Required/Optional	Description
REQUEST=GetFeatureInfo	R	Request name.
VERSION=version*	R	Request version. Valid values are 1.0.0, 1.1.0, or 1.1.1.
SRS=EPSG:id_code*	R	Spatial Reference System (SRS) identifier the map is returned in. Identifiers correspond to coordinate system ID codes found in the ArcXML Programmer뭩 Reference Guide.
BBOX=minx,miny,maxx,maxy*	R	Bounding box corners (lower left, upper right). Values must be in the units of the specified SRS.
WIDTH=output_width*	R	Width in pixels of resulting map image.
HEIGHT=output_height*	R	Height in pixels of resulting map image.
QUERY_LAYERS=layer_list	R	Comma-separated list of one or more map layers to be queried. Values in the list correspond to the layer <name> values in the Capabilities file. This name corresponds to the layer id in ArcXML.
X=pixel_column	R	X coordinate in pixels of feature measured from upper left corner of the map.
Y=pixel_row	R	Y coordinate in pixels of feature measured from upper left corner of the map.
INFO_FORMAT=output_format	O	Return format of feature information. The default value is application/vnd.ogc.wms_xml. Other options are text/xml, text/html, and text/plain.
FEATURE_COUNT=number	O	Number of features per layer allowed. The default is 1.
EXCEPTIONS=exception_format	O	The format in which exceptions are reported. The default and only supported value is application/vnd.ogc.se_xml.
SERVICENAME=service_name (vendor specific)	O	By default, the capabilities of the default WMS service is queried. If you want to use a non-default service, the service name must be included in the URL.