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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html>
- <head>
- <title data-i18n="resources.title_graphicLayer_webgl"></title>
- <script type="text/javascript" include="papaparse,dat-gui,widgets" src="../js/include-web.js"></script>
- <style>
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%;
- position: absolute;
- top: 0;
- }
- #map {
- margin: 0 auto;
- width: 100%;
- height: 100%
- }
- #title {
- position: absolute;
- color: white;
- left: 0;
- top: 30px;
- text-align: center;
- width: 100%;
- z-index: 500;
- }
- #title > h3 {
- margin: 10px 0;
- letter-spacing: 0.1em;
- }
- #title > h6 {
- margin: 0;
- font-weight: normal;
- }
- </style>
- </head>
- <body>
- <div id="title">
- <h3 data-i18n="resources.text_graphicLayer_title"></h3>
- <h6 data-i18n="resources.text_graphicLayer_subTitle"></h6>
- </div>
- <div id="map"></div>
- <script type="text/javascript" include="deck" src="../../dist/leaflet/include-leaflet.js"></script>
- <script type="text/javascript">
- var host = window.isLocal ? window.server : "https://iserver.supermap.io";
- var map, graphicLayer;
- map = L.map('map', {
- preferCanvas: true,
- closePopupOnClick: false,
- center: [40.7594, -73.91426],
- maxZoom: 18,
- zoom: 11
- });
- var url = host + "/iserver/services/map-china400/rest/maps/ChinaDark";
- L.supermap.tiledMapLayer(url).addTo(map);
- addLayer();
- function addLayer() {
- widgets.loader.showLoader("data loading...");
- $.get('../data/nyc-taxi.csv', function (csvstr) {
- widgets.loader.removeLoader();
- var nycData = Papa.parse(csvstr, {skipEmptyLines: true, header: true});
- var data = nycData.data;
- addGraphicLayer(data);
- })
- }
- function addGraphicLayer(data) {
- window.graphics = [], popup = L.popup({keepInView: true, autoClose: false});
- //设置每个点的经纬度
- for (var i = 0; i < data.length; ++i) {
- var coordinates = data[i];
- if (coordinates.lng === coordinates.lat) {
- continue;
- }
- graphics[i] = L.supermap.graphic({
- latLng: L.latLng(coordinates.lat, coordinates.lng)
- });
- }
- var graphicStyle = {
- color: [0, 255, 128, 255],
- highlightColor: [255, 0, 0, 255],
- radius: 0.5
- };
- //绘制图层
- graphicLayer = L.supermap.graphicLayer(graphics, {
- render: "webgl",
- color: graphicStyle.color,
- highlightColor: graphicStyle.highlightColor,
- radius: graphicStyle.radius,
- onClick: function (graphic) {
- if (graphic.lngLat) {
- popup.setLatLng(L.latLng(graphic.lngLat[1], graphic.lngLat[0]))
- .setContent('<p>' + resources.text_latLng + ': ' + JSON.stringify(graphic.lngLat) + '<p>')
- .addTo(map);
- }
- }
- }).addTo(map);
- initDatGui(graphicStyle)
- }
- //设置面板
- function initDatGui(options) {
- var gui = new dat.GUI();
- var control = createConfigControl(gui.domElement, 'topright');
- map.addControl(control);
- gui.addColor(options, 'color').onChange(finished);
- gui.add(options, 'radius', 0, 2).onChange(finished);
- function finished() {
- graphicLayer.setStyle(options);
- }
- }
- //创建样式更改操作控件
- function createConfigControl(domElement, position) {
- var infoView = L.control({position: position});
- infoView.onAdd = function () {
- this._div = domElement;
- handleMapEvent(this._div, this._map);
- return this._div;
- };
- function handleMapEvent(div, map) {
- if (!div || !map) {
- return;
- }
- div.addEventListener('mouseover', function () {
- map.dragging.disable();
- map.scrollWheelZoom.disable();
- map.doubleClickZoom.disable();
- });
- div.addEventListener('mouseout', function () {
- map.dragging.enable();
- map.scrollWheelZoom.enable();
- map.doubleClickZoom.enable();
- });
- }
- return infoView;
- }
- </script>
- </body>
- </html>
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