89 lines
2.0 KiB
JavaScript
89 lines
2.0 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.expr');
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goog.require('ol.layer.Tile');
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goog.require('ol.layer.Vector');
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goog.require('ol.parser.GeoJSON');
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goog.require('ol.source.MapQuestOpenAerial');
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goog.require('ol.source.Vector');
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goog.require('ol.style.Fill');
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goog.require('ol.style.Rule');
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goog.require('ol.style.Stroke');
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goog.require('ol.style.Style');
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goog.require('ol.style.Text');
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var raster = new ol.layer.Tile({
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source: new ol.source.MapQuestOpenAerial()
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});
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var vector = new ol.layer.Vector({
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source: new ol.source.Vector({
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parser: new ol.parser.GeoJSON(),
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url: 'data/countries.geojson'
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}),
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style: new ol.style.Style({rules: [
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new ol.style.Rule({
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symbolizers: [
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new ol.style.Fill({
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color: 'white',
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opacity: 0.6
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}),
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new ol.style.Stroke({
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color: '#319FD3',
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opacity: 1
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})
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]
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}),
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new ol.style.Rule({
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maxResolution: 5000,
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symbolizers: [
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new ol.style.Text({
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color: 'black',
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text: ol.expr.parse('name'),
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fontFamily: 'Calibri,sans-serif',
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fontSize: 12,
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stroke: new ol.style.Stroke({
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color: 'white',
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width: 3
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})
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})
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]
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})
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]})
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});
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var map = new ol.Map({
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layers: [raster, vector],
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renderer: ol.RendererHint.CANVAS,
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target: 'map',
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view: new ol.View2D({
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center: [0, 0],
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zoom: 1
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})
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});
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var displayFeatureInfo = function(pixel) {
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map.getFeatures({
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pixel: pixel,
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layers: [vector],
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success: function(featuresByLayer) {
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var features = featuresByLayer[0];
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document.getElementById('info').innerHTML = features.length > 0 ?
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features[0].getId() + ': ' + features[0].get('name') :
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' ';
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}
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});
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};
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$(map.getViewport()).on('mousemove', function(evt) {
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var pixel = map.getEventPixel(evt.originalEvent);
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displayFeatureInfo(pixel);
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});
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map.on('singleclick', function(evt) {
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var pixel = evt.getPixel();
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displayFeatureInfo(pixel);
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});
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