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<!--********************************************************************
* Copyright© 2000 - 2026 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title data-i18n="resources.title_popDensityRange"></title>
<script type="text/javascript" include="jquery,bootstrap-css" src="../js/include-web.js"></script>
<style type="text/css">
.legendItemHeader,
.legendItemValue {
width: 120px;
height: 18px;
font-size: 14px;
}
</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>
<script type="text/javascript" src="../../dist/leaflet/include-leaflet.js"></script>
<script type="text/javascript">
var host = window.isLocal ? window.server : "https://iserver.supermap.io";
var map, themeLayer, infoView,
baseUrl = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图",
dataUrl = host + "/iserver/services/data-jingjin/rest/data";
init();
function init() {
// 检测是否支持 Canvas
if (!document.createElement('canvas').getContext) {
alert(resources.msg_supportCanvas);
return;
}
map = L.map("map", {
crs: L.CRS.EPSG4326,
center: [40, 117],
maxZoom: 18,
zoom: 7
});
new L.supermap.TiledMapLayer(baseUrl).addTo(map);
initThemeLayer();
}
function initThemeLayer() {
themeLayer = new L.supermap.RangeThemeLayer("ThemeLayer", {
// 开启 hover 高亮效果
isHoverAble: true,
opacity: 0.8,
alwaysMapCRS: true
}).addTo(map);
themeLayer.style = new L.supermap.ThemeStyle({
shadowBlur: 16,
shadowColor: "#000000",
fillColor: "#FFFFFF"
});
// hover 高亮样式
themeLayer.highlightStyle = new L.supermap.ThemeStyle({
stroke: true,
strokeWidth: 4,
strokeColor: 'blue',
fillColor: "#00EEEE",
fillOpacity: 0.8
});
// 用于单值专题图的属性字段名称
themeLayer.themeField = "POP_DENSITY99";
// 风格数组，设定值对应的样式
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'
}
}];
themeLayer.on('mousemove', highLightLayer);
addThemeFeatures();
}
function addThemeFeatures() {
var getFeatureBySQLParams = new L.supermap.GetFeaturesBySQLParameters({
queryParameter: new L.supermap.FilterParameter({
name: "Jingjin",
attributeFilter: "SMID > -1"
}),
toIndex: 500,
datasetNames: ["Jingjin:BaseMap_R"]
});
new L.supermap.featureService(dataUrl)
.getFeaturesBySQL(getFeatureBySQLParams, L.supermap.DataFormat.ISERVER).then(processComplete);
}
function processComplete(serviceResult) {
var result = serviceResult.result;
if (result && result.features) {
themeLayer.addFeatures(result.features);
}
initLegendView();
initInfoView();
}
//高亮时显示图层信息框的控件
function initInfoView() {
infoView = L.control({position: 'bottomright'});
infoView.onAdd = function () {
this._div = L.DomUtil.create('div', 'panel panel-primary infoPane');
$(this._div).css("width", "272px");
$("<div class='panel-heading'><h5 class='panel-title text-center'>" + resources.text_attributeTable + "</h5></div>").appendTo(this._div);
var content = $("<div class='panel-body content'></div>").appendTo(this._div);
content.css('fontSize', '14px');
handleMapEvent(this._div, this._map);
return this._div;
};
infoView.update = function (fea) {
var content = $(".content");
content.text("");
if (!fea) {
return;
}
var innerHtml = "ID: " + fea.attributes.SMID + "<br/>";
innerHtml += resources.text_districtName + fea.attributes.NAME + "<br/>";
innerHtml += resources.text_densityOfPopulation + ":" + parseFloat(fea.attributes.POP_DENSITY99).toFixed(5) + "<br/>";
content.html(innerHtml);
}
}
//图例控件
function initLegendView() {
var legendView = L.control({position: 'bottomright'});
legendView.onAdd = function () {
this._div = L.DomUtil.create('div', 'panel panel-primary legend ');
var title = "<div class='panel-heading'><h5 class='panel-title text-center'>" + resources.text_legend + "</h5></div>";
$(title + "<div class='panel-body text-center' ><table>" +
"<tr><td class='legendItemHeader'>" + resources.text_populationDensity + "</td><td class='legendItemValue'>" + 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>"
).appendTo(this._div);
handleMapEvent(this._div, this._map);
return this._div;
};
legendView.addTo(map);
}
function highLightLayer(e) {
if (e.target && e.target.refDataID) {
var fea = themeLayer.getFeatureById(e.target.refDataID);
if (fea) {
infoView.addTo(map);
infoView.update(fea);
}
} else if (infoView) {
infoView.remove();
}
}
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();
});
}
</script>
</body>
</html>
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