100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
import _ol_Map_ from '../src/ol/Map.js';
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import _ol_View_ from '../src/ol/View.js';
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import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
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import _ol_source_XYZ_ from '../src/ol/source/XYZ.js';
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var appId = 'kDm0Jq1K4Ak7Bwtn8uvk';
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var appCode = 'xnmvc4dKZrDfGlvQHXSvwQ';
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var hereLayers = [
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{
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base: 'base',
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type: 'maptile',
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scheme: 'normal.day',
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app_id: appId,
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app_code: appCode
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},
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{
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base: 'base',
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type: 'maptile',
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scheme: 'normal.day.transit',
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app_id: appId,
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app_code: appCode
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},
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{
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base: 'base',
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type: 'maptile',
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scheme: 'pedestrian.day',
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app_id: appId,
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app_code: appCode
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},
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{
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base: 'aerial',
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type: 'maptile',
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scheme: 'terrain.day',
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app_id: appId,
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app_code: appCode
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},
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{
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base: 'aerial',
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type: 'maptile',
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scheme: 'satellite.day',
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app_id: appId,
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app_code: appCode
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},
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{
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base: 'aerial',
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type: 'maptile',
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scheme: 'hybrid.day',
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app_id: appId,
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app_code: appCode
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}
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];
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var urlTpl = 'https://{1-4}.{base}.maps.cit.api.here.com' +
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'/{type}/2.1/maptile/newest/{scheme}/{z}/{x}/{y}/256/png' +
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'?app_id={app_id}&app_code={app_code}';
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var layers = [];
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var i, ii;
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for (i = 0, ii = hereLayers.length; i < ii; ++i) {
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var layerDesc = hereLayers[i];
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layers.push(new _ol_layer_Tile_({
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visible: false,
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preload: Infinity,
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source: new _ol_source_XYZ_({
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url: createUrl(urlTpl, layerDesc),
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attributions: 'Map Tiles © ' + new Date().getFullYear() + ' ' +
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'<a href="http://developer.here.com">HERE</a>'
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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: layers,
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// Improve user experience by loading tiles while dragging/zooming. Will make
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// zooming choppy on mobile or slow devices.
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loadTilesWhileInteracting: true,
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target: 'map',
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view: new _ol_View_({
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center: [921371.9389, 6358337.7609],
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zoom: 10
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})
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});
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function createUrl(tpl, layerDesc) {
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return tpl
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.replace('{base}', layerDesc.base)
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.replace('{type}', layerDesc.type)
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.replace('{scheme}', layerDesc.scheme)
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.replace('{app_id}', layerDesc.app_id)
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.replace('{app_code}', layerDesc.app_code);
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}
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var select = document.getElementById('layer-select');
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function onChange() {
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var scheme = select.value;
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for (var i = 0, ii = layers.length; i < ii; ++i) {
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layers[i].setVisible(hereLayers[i].scheme === scheme);
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}
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}
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select.addEventListener('change', onChange);
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onChange();
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