Files
openlayers/examples/getfeatureinfo.js
2013-09-09 15:14:45 +02:00

57 lines
1.3 KiB
JavaScript

goog.require('ol.Map');
goog.require('ol.RendererHint');
goog.require('ol.View2D');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.parser.GeoJSON');
goog.require('ol.source.TileWMS');
goog.require('ol.source.Vector');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
var wms = new ol.layer.Tile({
source: new ol.source.TileWMS({
url: 'http://demo.opengeo.org/geoserver/wms',
params: {'LAYERS': 'ne:ne'}
})
});
var vector = new ol.layer.Vector({
source: new ol.source.Vector({
parser: new ol.parser.GeoJSON(),
url: 'data/countries.geojson'
}),
style: new ol.style.Style({
symbolizers: [
new ol.style.Stroke({
color: '#33cc66',
width: 2
})
]
}),
transformFeatureInfo: function(features) {
return features.length > 0 ?
features[0].getFeatureId() + ': ' + features[0].get('name') : ' ';
}
});
var map = new ol.Map({
layers: [wms, vector],
renderer: ol.RendererHint.CANVAS,
target: 'map',
view: new ol.View2D({
center: [0, 0],
zoom: 1
})
});
map.on('click', function(evt) {
map.getFeatureInfo({
pixel: evt.getPixel(),
success: function(featureInfoByLayer) {
document.getElementById('info').innerHTML = featureInfoByLayer.join('');
}
});
});