Hi
I'm trying to use the GetFeaturesInfo request on a layer to get values in a
Popup. The response in the
function setHTML(response), shows up black when alerted. I alerted the url
in the getfullrequeststring and that is working. But the pop-up values show
up as unknown.
I looked at my error log and the error it gives me is
msWMSFeatureInfo(): WMS server error. Layer(s) specified in QUERY_LAYERS
parameter is not offered by the service instance.
This is my javascript file.
function init(){
var options = {
projection: new OpenLayers.Projection("EPSG:26915"),
units: "m",
maxResolution: 7000,
maxExtent:bounds,
minExtent: new OpenLayers.Bounds(-1, -1, -1, -1),
numZoomLevels: 22
};
map = new OpenLayers.Map('map', options);
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.addControl(new
OpenLayers.Control.MousePosition({suffix:' ',numDigits:3,displayProjection:proj}));
map.addControl(new OpenLayers.Control.KeyboardDefaults());
var usa = new OpenLayers.Layer.WMS.Untiled("",
"http://www.gis.leg.mn/cgi-bin/mapserv?map=/web/gis/OpenLayers/redistricting/mapserver.map";,
{layers: 'usa2',transparent:true}, {opacity: 0.6, visibility:
true,isBaseLayer: false,wrapDateLine: true});
var names = new OpenLayers.Layer.WMS.Untiled("Names",
"http://www.gis.leg.mn/cgi-bin/mapserv?map=/web/gis/OpenLayers/redistricting/mapserver.map";,
{layers: 'statenames_short,statenames_long',transparent:true}, {opacity:
0.6, visibility: true,isBaseLayer: true,wrapDateLine: true});
markers = new OpenLayers.Layer.Markers("My
Location",{displayInLayerSwitcher:false});
map.addLayers([usa,names,markers]);
infoControls = new OpenLayers.Control.WMSGetFeatureInfo({
url:
'http://www.gis.leg.mn/cgi-bin/mapserv?map=/web/gis/OpenLayers/redistricting/mapserver.map',
title: 'redistricting cases 03',
layers: [usa],
hover: true,
pixelTolerance: 50,
formatOptions: {
typeName: 'ST_ABB',
featureNS: 'http://www.gis.leg.mn/cgi-bin/mapserv?'
},
queryVisible: true,
eventlisteners: {
getfeatureinfo: function(event) {
map.addPopup (new OpenLayers.Popup.FrameCloud("PopUp",
getLonLatFromPixel(event.xy),
null,
event.text,
null,
true))
}
}
});
//alert (function(event));
infoControls.events.register("getfeatureinfo", this, findLayerClick);
map.addControl(infoControls);
infoControls.activate();
map.zoomToExtent(bounds);
function findLayerClick(event) {
layerlist = "usa";
mouseLoc = map.getLonLatFromPixel(event.xy);
var url = usa.getFullRequestString({
REQUEST: "GetFeatureInfo",
EXCEPTIONS: "application/vnd.ogc.se_xml",
BBOX: map.getExtent().toBBOX(),
X: event.xy.x,
Y: event.xy.y,
INFO_FORMAT: 'text/html',
QUERY_LAYERS: layerlist,
FEATURE_COUNT: 1,
WIDTH: map.size.w,
HEIGHT: map.size.h},
"http://www.gis.leg.mn/cgi-bin/mapserv?map=/web/gis/OpenLayers/redistricting/mapserver.map";);
OpenLayers.loadURL(url, '', this, setHTML);
alert(url);
Event.stop(event);
}
function setHTML(response) {
alert(response.responseText);
if (response.responseText.indexOf('no results') == -1) {
var cat="Unknown", src="Unknown", leg="Unknown", linkinfo="";
var lines = response.responseText.split('\n');
for (lcv = 0; lcv < (lines.length); lcv++) {
var vals =
lines[lcv].replace(/^\s*/,'').replace(/\s*$/,'').replace(/ =
/,"=").replace(/'/g,'').split('=');
//alert (lines);
if (vals[1] == "") {
vals[1] = "Unknown";
}
if (vals[0].indexOf('ST_ABB') != -1 ) {
cat = vals[1];
} else if (vals[0].indexOf('ST_NAME') != -1 ) {
src = vals[1];
} else if (vals[0].indexOf('NAME') != -1 ) {
leg = vals[1];
} else if (vals[0].indexOf('COLOR') != -1 ) {
linkinfo = vals[1];
}
}
var popup_info="Project Name:<h5>" + cat +
"<br />Project Type:<br /> " + leg +
"<br />County:<br />" + src +
"<br /><br /> +linkinfo+ Click here for Report " +
"";
if (popup != null) {
popup.destroy();
popup = null;
}
popup = new OpenLayers.Popup.FramedCloud("State Info",
mouseLoc,
new OpenLayers.Size(150,160),
popup_info,
null,
true);
popup.setBackgroundColor("#FFFFCC");
popup.setBorder("2px");
// popup.setOpacity(.7);
map.addPopup(popup);
popup.events.register("click", map, popupDestroy);
}
}
/*
* Destroy popup and stop event
*/
function popupDestroy(e) {
popup.destroy();
popup = null;
OpenLayers.Util.safeStopPropagation(e);
}
document.getElementById('OpenLayers.Layer.WMS.Untiled_57').style.cursor="url(cursor.gif),crosshair";
};
my mapfile
MAP
NAME 'redistricting case'
# SIZE 600 450
STATUS ON
#MAXSIZE 4096
UNITS METERS
FONTSET "/web/gis/mapserver/fonts/fontset.list"
SYMBOLSET "/web/gis/mapserver/symbols/symbol.sym"
TRANSPARENT ON
PROJECTION
"proj=utm"
"ellps=GRS80"
"datum=NAD83"
"zone=15"
"units=m"
"north"
"no_defs"
END
OUTPUTFORMAT
NAME 'agg/png'
DRIVER AGG/PNG
IMAGEMODE RGBA
FORMATOPTION "TRANSPARENT=TRUE"
END
# OUTPUTFORMAT
# NAME 'agg/jpeg'
# DRIVER GD/JPEG
# IMAGEMODE RGB
# FORMATOPTION "TRANSPARENT=FALSE"
# END
# One day, when the death of IE6 is confirmed, I would love for this
# to default to agg/png - Lee did just that
IMAGETYPE AGG/PNG
WEB
METADATA
"wms_title" "redistricting cases 03"
"wms_feature_info_mime_type" "text/html"
"wms_srs" "EPSG:26915"
END
TEMPLATE 'CaseSum03_template.html'
END
LAYER
NAME 'usa2'
DATA '/geo/usa'
STATUS ON
DEBUG ON
TYPE POLYGON
METADATA
wms_title "states"
wms_srs "EPSG:26915:"
ows_include_items "all"
END
TEMPLATE '/web/gis/OpenLayers/redistricting/casesum03_template.html'
CLASSITEM 'color'
CLASS
NAME 'USA0'
EXPRESSION '0'
STYLE
OUTLINECOLOR 115 115 115
COLOR 141 211 199
SIZE 4
END
END
CLASS
NAME 'USA1'
EXPRESSION '1'
STYLE
OUTLINECOLOR 115 115 115
COLOR 251 128 114
SIZE 4
END
END
CLASS
NAME 'USA2'
EXPRESSION '2'
STYLE
OUTLINECOLOR 115 115 115
COLOR 190 186 218
SIZE 4
END
END
CLASS
NAME 'USA3'
EXPRESSION '3'
STYLE
OUTLINECOLOR 115 115 115
COLOR 255 255 179
SIZE 4
END
END
CLASS
NAME 'USA4'
EXPRESSION '4'
STYLE
OUTLINECOLOR 115 115 115
COLOR 128 177 211
SIZE 4
END
END
END
LAYER
NAME 'statenames_short'
DATA '/geo/usa'
STATUS on
TYPE ANNOTATION
MINSCALE 10000000
LABELITEM 'ST_ABB'
LABELCACHE ON
CLASS
LABEL
SIZE MEDIUM
MINSIZE 7
MAXSIZE 10
COLOR 70 70 70
#OUTLINECOLOR 30 30 30
TYPE TRUETYPE
FONT arial-bold
ANTIALIAS TRUE
BUFFER 4
PARTIALS FALSE
END
END
END
LAYER
NAME 'statenames_long'
DATA '/geo/usa'
STATUS DEFAULT
TYPE ANNOTATION
LABELITEM 'STATE'
MAXSCALE 10000000
CLASS
LABEL
SIZE MEDIUM
MINSIZE 8
MAXSIZE 10
TYPE TRUETYPE
FONT arial-bold
ANTIALIAS TRUE
BUFFER 4
COLOR 115 115 115
#OUTLINECOLOR 155 155 155
END
END
END
Any ideas as to what might the problem be? Any help would be appreciated.
Thanks
N
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