Commit 845172ad by Benjamin Herfort

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parent f3470160
Showing with 74 additions and 0 deletions
L.TileLayer.BetterWMS = L.TileLayer.WMS.extend({
onAdd: function (map) {
// Triggered when the layer is added to a map.
// Register a click listener, then do all the upstream WMS things, map);
map.on('click', this.getFeatureInfo, this);
onRemove: function (map) {
// Triggered when the layer is removed from a map.
// Unregister a click listener, then do all the upstream WMS things, map);'click', this.getFeatureInfo, this);
getFeatureInfo: function (evt) {
// Make an AJAX request to the server and hope for the best
var url = this.getFeatureInfoUrl(evt.latlng),
showResults = L.Util.bind(this.showGetFeatureInfo, this);
url: url,
success: function (data, status, xhr) {
var err = typeof data === 'string' ? null : data;
showResults(err, evt.latlng, data);
error: function (xhr, status, error) {
getFeatureInfoUrl: function (latlng) {
// Construct a GetFeatureInfo request URL given a point
var point = this._map.latLngToContainerPoint(latlng, this._map.getZoom()),
size = this._map.getSize(),
params = {
request: 'GetFeatureInfo',
service: 'WMS',
srs: 'EPSG:4326',
styles: this.wmsParams.styles,
transparent: this.wmsParams.transparent,
version: this.wmsParams.version,
format: this.wmsParams.format,
bbox: this._map.getBounds().toBBoxString(),
height: size.y,
width: size.x,
layers: this.wmsParams.layers,
query_layers: this.wmsParams.layers,
info_format: 'text/html'
params[params.version === '1.3.0' ? 'i' : 'x'] = point.x;
params[params.version === '1.3.0' ? 'j' : 'y'] = point.y;
return this._url + L.Util.getParamString(params, this._url, true);
showGetFeatureInfo: function (err, latlng, content) {
if (err) { console.log(err); return; } // do nothing if there's an error
// Otherwise show the content in a popup, or something.
L.popup({ maxWidth: 800})
L.tileLayer.betterWms = function (url, options) {
return new L.TileLayer.BetterWMS(url, options);
\ No newline at end of file
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