77 lines
1.8 KiB
JavaScript
77 lines
1.8 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.layer.TileLayer');
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goog.require('ol.layer.Vector');
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goog.require('ol.parser.KML');
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goog.require('ol.proj');
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goog.require('ol.source.TiledWMS');
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goog.require('ol.source.Vector');
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var raster = new ol.layer.TileLayer({
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source: new ol.source.TiledWMS({
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url: 'http://vmap0.tiles.osgeo.org/wms/vmap0',
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crossOrigin: null,
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params: {
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'LAYERS': 'basic',
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'VERSION': '1.1.1',
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'FORMAT': 'image/jpeg'
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}
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})
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});
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var epsg4326 = ol.proj.get('EPSG:4326');
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var vector = new ol.layer.Vector({
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source: new ol.source.Vector({
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projection: epsg4326
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}),
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transformFeatureInfo: function(features) {
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var info = [];
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for (var i = 0, ii = features.length; i < ii; ++i) {
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info.push(features[i].get('name'));
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}
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return info.join(', ');
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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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projection: epsg4326,
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center: [-112.169, 36.099],
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zoom: 11
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})
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});
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var kml = new ol.parser.KML({
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maxDepth: 1, dimension: 2, extractStyles: true, extractAttributes: true});
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map.on(['click', 'mousemove'], function(evt) {
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map.getFeatureInfo({
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pixel: evt.getPixel(),
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layers: [vector],
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success: function(featureInfo) {
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document.getElementById('info').innerHTML = featureInfo[0] || ' ';
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}
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});
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});
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var url = 'data/kml/lines.kml';
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var xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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/**
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* onload handler for the XHR request.
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*/
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xhr.onload = function() {
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if (xhr.status == 200) {
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// this is silly to have to tell the layer the destination projection
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vector.parseFeatures(xhr.responseText, kml, epsg4326);
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}
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};
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xhr.send();
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