5acff857e7
The new dedicated getfeatureinfo example shows how to combine feature info from a WMS and a vector layer. The other examples that previously used getFeatureInfo from vector layers now use the more appropriate getFeatures.
74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.RendererHint');
|
|
goog.require('ol.View2D');
|
|
goog.require('ol.expr');
|
|
goog.require('ol.layer.TileLayer');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.parser.GeoJSON');
|
|
goog.require('ol.source.MapQuestOpenAerial');
|
|
goog.require('ol.source.Vector');
|
|
goog.require('ol.style.Polygon');
|
|
goog.require('ol.style.Rule');
|
|
goog.require('ol.style.Style');
|
|
goog.require('ol.style.Text');
|
|
|
|
|
|
var raster = new ol.layer.TileLayer({
|
|
source: new ol.source.MapQuestOpenAerial()
|
|
});
|
|
|
|
// TODO: discuss scale dependent rules
|
|
ol.expr.register('resolution', function() {
|
|
return map.getView().getView2D().getResolution();
|
|
});
|
|
|
|
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({rules: [
|
|
new ol.style.Rule({
|
|
symbolizers: [
|
|
new ol.style.Polygon({
|
|
strokeColor: '#bada55'
|
|
})
|
|
]
|
|
}),
|
|
new ol.style.Rule({
|
|
filter: 'resolution() < 5000',
|
|
symbolizers: [
|
|
new ol.style.Text({
|
|
color: '#bada55',
|
|
text: ol.expr.parse('name'),
|
|
fontFamily: 'Calibri,sans-serif',
|
|
fontSize: 12
|
|
})
|
|
]
|
|
})
|
|
]})
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [raster, vector],
|
|
renderer: ol.RendererHint.CANVAS,
|
|
target: 'map',
|
|
view: new ol.View2D({
|
|
center: [0, 0],
|
|
zoom: 1
|
|
})
|
|
});
|
|
|
|
map.on(['click', 'mousemove'], function(evt) {
|
|
map.getFeatures({
|
|
pixel: evt.getPixel(),
|
|
layers: [vector],
|
|
success: function(featuresByLayer) {
|
|
var features = featuresByLayer[0];
|
|
document.getElementById('info').innerHTML = features.length > 0 ?
|
|
features[0].getFeatureId() + ': ' + features[0].get('name') :
|
|
' ';
|
|
}
|
|
});
|
|
});
|