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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
- <title data-i18n="resources.title_popDensityRange"></title>
- <style type="text/css">
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%
- }
- #map {
- position: absolute;
- width: 100%;
- height: 100%;
- }
- /*图例 style*/
- .legend {
- position: absolute;
- right: 10px;
- top: 350px;
- width: 250px;
- text-align: center;
- border: 2px solid #D6E3F1;
- background: #FFF;
- z-index: 999999;
- display: none;
- }
- .legendTitle {
- background: #1E90FF;
- }
- .legendContent {
- padding-left: 15px;
- padding-right: 15px;
- height: 160px;
- display: block;
- overflow-y: auto;
- }
- .legendItemHeader {
- top: 5px;
- width: 100px;
- height: 18px;
- text-align: center;
- }
- .legendItemValue {
- top: 5px;
- width: 120px;
- text-align: center;
- height: 18px;
- }
- /*信息框 style*/
- #infoBox {
- border: 2px solid #D6E3F1;
- position: absolute;
- right: 10px;
- top: 250px;
- width: 250px;
- z-index: 999999;
- display: none;
- }
- .editPane {
- position: absolute;
- right: 60px;
- top: 50px;
- text-align: center;
- background: #FFF;
- z-index: 1000;
- }
- </style>
- </head>
- <body>
- <div class='panel panel-primary editPane' id='editPane' style="z-index: 99999">
- <div class='panel-heading'>
- <h5 class='panel-title text-center' data-i18n="resources.text_graduatedSymbol"></h5>
- </div>
- <div class='panel-body' id='params'>
- <p></p>
- <div align='right' class='button-group'>
- <input type='button' id='btn1' class='btn btn-primary' data-i18n="[value]resources.btn_addThemeLayer"
- onclick="addThemeLayer()"/>
- <input type='button' id='btn2' class='btn btn-primary' data-i18n="[value]resources.btn_updateData"
- onclick="updateData()"/>
- <input type='button' id='btn3' class='btn btn-primary' data-i18n="[value]resources.text_input_value_clear"
- onclick="clearLayer()"/>
- </div>
- </div>
- </div>
- <div>
- <div id="map" ></div>
- <div id="mapLegend" class="legend">
- <div class="legendTitle">
- <span data-i18n="resources.text_legend"></span>
- </div>
- <div class="legendContent">
- <table>
- <tr>
- <td class="legendItemHeader" data-i18n="resources.text_populationDensity"></td>
- <td class="legendItemValue" data-i18n="resources.text_color"></td>
- </tr>
- <tr>
- <td class="legendItemHeader">0 - 0.02</td>
- <td class="legendItemValue" style="background: #FDE2CA"></td>
- </tr>
- <tr>
- <td class="legendItemHeader">0.02 - 0.04</td>
- <td class="legendItemValue" style="background: #FACE9C"></td>
- </tr>
- <tr>
- <td class="legendItemHeader">0.04 - 0.06</td>
- <td class="legendItemValue" style="background: #F09C42"></td>
- </tr>
- <tr>
- <td class="legendItemHeader">0.06 - 0.1</td>
- <td class="legendItemValue" style="background: #D0770B"></td>
- </tr>
- <tr>
- <td class="legendItemHeader">0.1 - 0.2</td>
- <td class="legendItemValue" style="background: #945305"></td>
- </tr>
- </table>
- </div>
- </div>
- <div id="infoBox">
- <div data-i18n="resources.text_attributeTable" style="text-align: center;background: #1E90FF"> </div>
- <div id="infoContent" style="overflow-y: auto; padding: 5px; background-color: #FFFFFF">
- </div>
- </div>
- </div>
- <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
- <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
- <script type="text/javascript">
- var host = window.isLocal ? window.server : "https://iserver.supermap.io",
- url1 = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图",
- url2 = host + "/iserver/services/data-jingjin/rest/data";
- var map, layer, themeLayer;
- // 检测是否支持 Canvas
- if (!document.createElement('canvas').getContext) {
- widgets.alert.showAlert(resources.msg_supportCanvas, false);
- }
- map = new SuperMap.Map("map", {
- controls: [
- new SuperMap.Control.LayerSwitcher(),
- new SuperMap.Control.ScaleLine(),
- new SuperMap.Control.Zoom(),
- new SuperMap.Control.Navigation({
- dragPanOptions: {
- enableKinetic: true
- }
- })]
- });
- layer = new SuperMap.Layer.TiledDynamicRESTLayer("Jingjin", url1, {
- transparent: true,
- cacheEnabled: true
- }, {maxResolution: "auto"});
- layer.events.on({"layerInitialized": addLayer});
- // 定义 Range 分段专题图层
- themeLayer = new SuperMap.Layer.Range("ThemeLayer");
- themeLayer.setOpacity(0.8);
- // 图层基础样式
- themeLayer.style = {
- shadowBlur: 16,
- shadowColor: "#000000",
- fillColor: "#FFFFFF"
- };
- // 开启 hover 高亮效果
- themeLayer.isHoverAble = true;
- // hover高亮样式
- themeLayer.highlightStyle = {
- stroke: true,
- strokeWidth: 4,
- strokeColor: 'blue',
- fillColor: "#00EEEE",
- //shadowBlur: 6,
- //shadowColor: "#000000",
- //shadowOffsetX: 6,
- //shadowOffsetY: 6,
- fillOpacity: 0.8
- };
- // 用于范围分段的属性字段名称
- themeLayer.themeField = "POP_DENSITY99";
- // 风格数组,设定分段范围对应的样式
- themeLayer.styleGroups = [
- {
- start: 0,
- end: 0.02,
- style: {
- color: '#FDE2CA'
- }
- },
- {
- start: 0.02,
- end: 0.04,
- style: {
- color: '#FACE9C'
- }
- },
- {
- start: 0.04,
- end: 0.06,
- style: {
- color: '#F09C42'
- }
- },
- {
- start: 0.06,
- end: 0.1,
- style: {
- color: '#D0770B'
- }
- },
- {
- start: 0.1,
- end: 0.2,
- style: {
- color: '#945305'
- }
- }
- ]
- // 注册 mousemove 事件
- themeLayer.on("mousemove", evn);
- function addLayer() {
- map.addLayers([layer, themeLayer]);
- map.setCenter(new SuperMap.LonLat(117.2, 40.11), 0);
- }
- //获取 feature 数据, 专题图的数据必须是 SuperMap.Feature.Vector
- function addThemeLayer() {
- clearLayer();
- var getFeatureParam, getFeatureBySQLService, getFeatureBySQLParams;
- getFeatureParam = new SuperMap.REST.FilterParameter({
- name: "Jingjin",
- attributeFilter: "SMID > -1"
- });
- getFeatureBySQLParams = new SuperMap.REST.GetFeaturesBySQLParameters({
- queryParameter: getFeatureParam,
- toIndex: 500,
- datasetNames: ["Jingjin:BaseMap_R"]
- });
- getFeatureBySQLService = new SuperMap.REST.GetFeaturesBySQLService(url2, {
- eventListeners: {"processCompleted": processCompleted, "processFailed": processFailed}
- });
- getFeatureBySQLService.processAsync(getFeatureBySQLParams);
- }
- function processCompleted(getFeaturesEventArgs) {
- var result = getFeaturesEventArgs.result;
- if (result && result.features) {
- themeLayer.addFeatures(result.features);
- }
- //显示图例
- document.getElementById("mapLegend").style.display = "block";
- }
- function processFailed(e) {
- widgets.alert.showAlert(e.error.errorMsg, false);
- }
- function clearLayer() {
- document.getElementById("mapLegend").style.display = "none";
- document.getElementById("infoBox").style.display = "none";
- //先清除上次的显示结果
- themeLayer.clear();
- }
- // 更新显示数据
- function updateData() {
- var feas = themeLayer.features;
- for (var i = 0, len = feas.length; i < len; i++) {
- var fea = feas[i];
- fea.attributes.POP_DENSITY99 = getRandomNumber(0, 0.2, 5);
- }
- themeLayer.redraw();
- }
- // 获取范围内的随机数
- // min - 范围下限
- // max - 范围上限
- // decimalNum - 返回结果的小数位数。如果为 0,返回整数。
- function getRandomNumber(min, max, decimalNum) {
- var rNum = min + Math.random() * (max - min);
- if (decimalNum) {
- if (!isNaN(decimalNum)) {
- return rNum;
- }
- else {
- decimalNum = parseInt(decimalNum);
- }
- if (decimalNum === 0) {
- return Math.round(rNum);
- }
- else {
- return parseFloat(rNum).toFixed(decimalNum);
- }
- }
- else {
- return rNum;
- }
- }
- //事件处理,控制信息框数据显示
- function evn(e) {
- if (e.target && e.target.refDataID) {
- document.getElementById("infoBox").style.display = "block";
- var fid = e.target.refDataID;
- var fea = themeLayer.getFeatureById(fid);
- if (fea) {
- document.getElementById("infoContent").innerHTML = "";
- document.getElementById("infoContent").innerHTML += "ID: " + fea.attributes.SMID + "<br/>";
- document.getElementById("infoContent").innerHTML += resources.text_districtName + fea.attributes.NAME + "<br/>";
- document.getElementById("infoContent").innerHTML += resources.text_populationDensity + ": " + parseFloat(fea.attributes.POP_DENSITY99).toFixed(5) + "<br/>";
- }
- }
- else {
- document.getElementById("infoContent").innerHTML = "";
- document.getElementById("infoBox").style.display = "none";
- }
- }
- </script>
- </body>
- </html>
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