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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_mapboxStyle_landuse"></title>
- <script type="text/javascript" include='ol-mapbox-style,proj4' 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 url = (window.isLocal ? window.server : "https://iserver.supermap.io") +
- "/iserver/services/map-mvt-landuse/rest/maps/landuse";
- proj4.defs("EPSG:2362",
- "+proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=38500000 +y_0=0 +a=6378140 +b=6356755.288157528 +units=m +no_defs "
- );
- ol.proj.proj4 && ol.proj.proj4.register(proj4);
- getResolutions = function (zoom, scale, targetMinZoom, targetMaxZoom) {
- var res = scaleToResolution(scale);
- var minRes = res * Math.pow(2, zoom - targetMinZoom);
- var resolutions = [];
- for (var index = 0; index < targetMaxZoom - targetMinZoom + 1; index++) {
- resolutions.push(minRes / Math.pow(2, index));
- }
- return resolutions;
- }
- scaleToResolution = function (scale) {
- var inchPerMeter = 1 / 0.0254;
- return 1 / (scale * 96 * inchPerMeter);
- };
- var vectorLayer;
- //通过缓存sci文件已知第9级的比例尺是0.00000346726346971252,计算0到16级的分辨率
- var resolutions = getResolutions(9, 0.00000346726346971252, 0, 16);
- var projection = ol.proj.get('EPSG:2362');
- projection.setExtent([32876993.777095847, -10001970.421227315, 52880934.619550481, 10001970.421227315])
- var map = new ol.Map({
- target: 'map',
- view: new ol.View({
- center: [37981118.1854434, 2645345.86991791],
- zoom: 13,
- minZoom: 11,
- maxZoom: 15,
- projection: projection,
- 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 style = new ol.supermap.MapboxStyles({
- map: map,
- url: url,
- // source: 'landuse',
- resolutions: resolutions
- })
- style.on('styleloaded', function () {
- vectorLayer = new ol.layer.VectorTile({
- //设置避让参数
- declutter: true,
- source: new ol.source.VectorTileSuperMapRest({
- url: url,
- projection: projection,
- tileGrid: new ol.tilegrid.TileGrid({
- resolutions: resolutions,
- origin: [32876993.777095847, 10001970.421227315],
- tileSize: 512
- }),
- tileType: 'ScaleXY',
- format: new ol.format.MVT()
- }),
- style: style.getStyleFunction()
- });
- map.addLayer(vectorLayer);
- })
- </script>
- </body>
- </html>
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