49 lines
1.0 KiB
JavaScript
49 lines
1.0 KiB
JavaScript
import Map from '../src/ol/Map.js';
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import View from '../src/ol/View.js';
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import TileLayer from '../src/ol/layer/Tile.js';
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import CartoDB from '../src/ol/source/CartoDB.js';
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import OSM from '../src/ol/source/OSM.js';
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var mapConfig = {
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'layers': [{
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'type': 'cartodb',
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'options': {
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'cartocss_version': '2.1.1',
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'cartocss': '#layer { polygon-fill: #F00; }',
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'sql': 'select * from european_countries_e where area > 0'
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}
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}]
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};
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var cartoDBSource = new CartoDB({
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account: 'documentation',
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config: mapConfig
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});
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var map = new Map({
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layers: [
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new TileLayer({
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source: new OSM()
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}),
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new TileLayer({
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source: cartoDBSource
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})
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],
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target: 'map',
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view: new View({
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center: [0, 0],
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zoom: 2
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})
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});
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function setArea(n) {
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mapConfig.layers[0].options.sql =
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'select * from european_countries_e where area > ' + n;
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cartoDBSource.setConfig(mapConfig);
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}
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document.getElementById('country-area').addEventListener('change', function() {
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setArea(this.value);
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});
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