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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title data-i18n="resources.title_mvtVectorLayer_vectortilerest"></title>
- <script type="text/javascript" src="../js/include-web.js"></script>
- <script type="text/javascript" include='ol-mapbox-style' src="../../dist/ol/include-ol.js"></script>
- <style>
- .ol-popup {
- position: absolute;
- background-color: rgba(0, 60, 136, 0.7);
- filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
- padding: 10px;
- border-radius: 5px;
- border: 1px solid #cccccc;
- bottom: 20px;
- left: 10px;
- opacity: 0;
- transition: opacity 100ms ease-in;
- }
- </style>
- </head>
- <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
- <div id="map" style="margin:0 auto;width: 100%;height: 100%;"></div>
- <div id="popup" class="ol-popup">
- <div id="popup-content"></div>
- </div>
- <script type="text/javascript">
- var styleURL = (window.isLocal ? window.server : "https://iserver.supermap.io") +
- "/iserver/services/map-china400/restjsr/v1/vectortile/maps/China_4326/style.json";
- //MVT 矢量瓦片第0级分辨率为全球范围宽度除以瓦片宽度512.
- //常见坐标系第0级分辨率 WebMercator(3857):2*6378137*Math.PI/512 WGS84(4326):360.0/512 China2000(4490):360.0/512 Beijing54(4214):360.0/512 Xian80(4610):360.0/512
- var topResolution = 360.0 / 512;
- var resolutions = [];
- for (var zoom = 0; zoom < 22; zoom++) {
- resolutions.push(topResolution / Math.pow(2, zoom));
- }
- var vectorLayer;
- var map = new ol.Map({
- target: 'map',
- view: new ol.View({
- center: [116, 39],
- zoom: 6,
- projection: 'EPSG:4326',
- resolutions: resolutions
- })
- });
- var container = document.getElementById('popup');
- var content = document.getElementById('popup-content');
- info = new ol.control.Control({
- element: container
- });
- info.setMap(map);
- map.addControl(info);
- var format = new ol.format.MVT({
- featureClass: ol.Feature
- });
- var style = new ol.supermap.MapboxStyles({
- style: styleURL,
- // source: 'China_4326',
- map: map
- })
- style.on('styleloaded', function () {
- vectorLayer = new ol.layer.VectorTile({
- declutter: true,
- source: new ol.source.VectorTileSuperMapRest({
- style: styleURL,
- projection: 'EPSG:4326',
- // source: 'China_4326',
- format: format
- }),
- style: style.getStyleFunction()
- });
- map.addLayer(vectorLayer);
- })
- map.on('pointermove', function (e) {
- var features = map.getFeaturesAtPixel(e.pixel);
- if (!features || features.length === 0) {
- content.innerHTML = '';
- container.style.opacity = 0;
- return;
- }
- content.innerHTML = "Layer: " + features[0].get('layer') + "<br />" + (features[0].get(
- 'NAME') ?
- "Name: " + features[0].get('NAME') : "");
- container.style.opacity = 1;
- });
- </script>
- </body>
- </html>
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