效果图例如以下：单值专题图并显示每一个区域的相关文字信息
代码：
<!DOCTYPE>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>单值专题图</title>
<style type="text/css">
body{
margin: 0;
overflow: hidden;
background: #fff;
}
#map{
position: relative;
height: 520px;
border:1px solid #3473b7;
}
#toolbar{
position: relative;
height: 33px;
padding-top:5;
}
</style>
<script src='./supermap_iclient_for_JavaScript_712_12428_1122/libs/SuperMap.Include.js'></script>
<script type="text/javascript">
var map, local, baseLayer, layersID, themeLayer,
host = document.location.toString().match(/file:\/\//)?"http://localhost:8090":'http://' + document.location.host,
url=host+"/iserver/services/map-China400/rest/maps/China";
function init(){
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
}
})]
});
baseLayer = new SuperMap.Layer.TiledDynamicRESTLayer("China400", url, {transparent: true, cacheEnabled: true}, {maxResolution: "auto"});
baseLayer.events.on({"layerInitialized": addLayer});
}function addLayer() {
map.addLayer(baseLayer);
map.setCenter(new SuperMap.LonLat(12080677, 4591416), 3);
map.allOverlays = true;
}
/**
*叠加专题图
*/
function addThemeUnique() {
removeTheme();
var themeService = new SuperMap.REST.ThemeService(url, {eventListeners:{"processCompleted": themeCompleted, "processFailed": themeFailed}});
var style1, style2, style3, style4, style5, style6;
var style1, style2, style3, style4, style5, style6;
style1 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(248, 203, 249),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});
style2 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(196, 255, 189),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});
style3 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(255, 173, 173),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});
style4 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(255, 239, 168),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});
style5 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(173, 209, 255),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});
style6 = new SuperMap.REST.ServerStyle({
fillForeColor: new SuperMap.REST.ServerColor(132, 164, 232),
lineColor: new SuperMap.REST.ServerColor(0, 0, 0),
lineWidth: 0.1
});var themeUniqueIteme1 = new SuperMap.REST.ThemeUniqueItem({
unique: "黑龙江省",
style: style1
}),
themeUniqueIteme2 = new SuperMap.REST.ThemeUniqueItem({
unique: "湖北省",
style: style2
}),
themeUniqueIteme3 = new SuperMap.REST.ThemeUniqueItem({
unique: "吉林省",
style: style3
}),
themeUniqueIteme4 = new SuperMap.REST.ThemeUniqueItem({
unique: "内蒙古自治区",
style: style4
}),
themeUniqueIteme5 = new SuperMap.REST.ThemeUniqueItem({
unique: "青海省",
style: style5
}),
themeUniqueIteme6 = new SuperMap.REST.ThemeUniqueItem({
unique: "新疆维吾尔自治区",
style: style6
}),
themeUniqueIteme7 = new SuperMap.REST.ThemeUniqueItem({
unique: "云南省",
style: style1
}),
themeUniqueIteme8 = new SuperMap.REST.ThemeUniqueItem({
unique: "四川省",
style: style4
}),
themeUniqueIteme9 = new SuperMap.REST.ThemeUniqueItem({
unique: "贵州省",
style: style3
}),
themeUniqueIteme10 = new SuperMap.REST.ThemeUniqueItem({
unique: "甘肃省",
style: style3
}),
themeUniqueIteme11 = new SuperMap.REST.ThemeUniqueItem({
unique: "宁夏回族自治区",
style: style5
}),
themeUniqueIteme12 = new SuperMap.REST.ThemeUniqueItem({
unique: "重庆市",
style: style6
}),
themeUniqueIteme13 = new SuperMap.REST.ThemeUniqueItem({
unique: "山东省",
style: style1
}),
themeUniqueIteme14 = new SuperMap.REST.ThemeUniqueItem({
unique: "安徽省",
style: style2
}),
themeUniqueIteme15 = new SuperMap.REST.ThemeUniqueItem({
unique: "江西省",
style: style3
}),
themeUniqueIteme16 = new SuperMap.REST.ThemeUniqueItem({
unique: "浙江省",
style: style4
}),
themeUniqueIteme17 = new SuperMap.REST.ThemeUniqueItem({
unique: "台湾省",
style: style2
}),
themeUniqueIteme18 = new SuperMap.REST.ThemeUniqueItem({
unique: "江苏省",
style: style6
}),
themeUniqueIteme19 = new SuperMap.REST.ThemeUniqueItem({
unique: "湖南省",
style: style5
}),
themeUniqueIteme20 = new SuperMap.REST.ThemeUniqueItem({
unique: "河南省",
style: style4
}),
themeUniqueIteme21 = new SuperMap.REST.ThemeUniqueItem({
unique: "河北省",
style: style3
}),
themeUniqueIteme22 = new SuperMap.REST.ThemeUniqueItem({
caption:"福建省",
unique: "福建省",
style: style5
}),
themeUniqueIteme23 = new SuperMap.REST.ThemeUniqueItem({
unique: "广西壮族自治区",
style: style6
}),
themeUniqueIteme24 = new SuperMap.REST.ThemeUniqueItem({
unique: "西藏自治区",
style: style2
}),
themeUniqueIteme25 = new SuperMap.REST.ThemeUniqueItem({
unique: "广东省",
style: style4
}),
themeUniqueIteme26 = new SuperMap.REST.ThemeUniqueItem({
unique: "山西省",
style: style2
}),
themeUniqueIteme27 = new SuperMap.REST.ThemeUniqueItem({
unique: "陕西省",
style: style1
}),
themeUniqueIteme28 = new SuperMap.REST.ThemeUniqueItem({
unique: "天津市",
style: style5
}),
themeUniqueIteme29 = new SuperMap.REST.ThemeUniqueItem({
unique: "北京市",
style: style2
}),
themeUniqueIteme30 = new SuperMap.REST.ThemeUniqueItem({
unique: "辽宁省",
style: style1
});var themeUniqueItemes=[themeUniqueIteme1, themeUniqueIteme2, themeUniqueIteme3, themeUniqueIteme4, themeUniqueIteme5, themeUniqueIteme6,themeUniqueIteme7,themeUniqueIteme8,themeUniqueIteme9,themeUniqueIteme10,themeUniqueIteme11,themeUniqueIteme12, themeUniqueIteme13,themeUniqueIteme14,themeUniqueIteme15,themeUniqueIteme16,themeUniqueIteme17,themeUniqueIteme18,themeUniqueIteme19,themeUniqueIteme20,themeUniqueIteme21,themeUniqueIteme22,themeUniqueIteme23,themeUniqueIteme24,themeUniqueIteme25,themeUniqueIteme26,themeUniqueIteme27,themeUniqueIteme28,themeUniqueIteme29,themeUniqueIteme30];var themeUnique = new SuperMap.REST.ThemeUnique({
uniqueExpression: "Name",
items: themeUniqueItemes,
defaultStyle: style1
});//label专题图
style1 = new SuperMap.REST.ServerTextStyle({fontHeight: 4,foreColor: new SuperMap.REST.ServerColor(100,20,50),<strong><span style="color:#ff0000;"> sizeFixed: true,//当 sizeFixed 为 True 时，单位为毫米（mm）。</span></strong>bold:true }),style2 = new SuperMap.REST.ServerTextStyle({fontHeight: 0,foreColor: new SuperMap.REST.ServerColor(100,20,50),sizeFixed: true,//当 sizeFixed 为 True 时，单位为毫米（mm）。bold:true }),
//设置标签专题图的子项themeLabelIteme1 = new SuperMap.REST.ThemeLabelItem({start: 0.0,end: 20.0,style: style1}),<strong><span style="color:#ff0000;">//设置不要显示的数据。必须设置不然所有显示出来</span></strong>themeLabelIteme2 = new SuperMap.REST.ThemeLabelItem({start: 20.0,end: 1000.0,style: style2,
<span style="white-space:pre"> </span><span style="color:#ff0000;"><strong>visible:false</strong></span>}),themeLabelOne = new SuperMap.REST.ThemeLabel({labelExpression: "NAME",//标注字段表达式rangeExpression: "SMID",numericPrecision: 0,items: [themeLabelIteme1,themeLabelIteme2]}),//创建矩阵标签元素LabelThemeCellOne=new SuperMap.REST.LabelThemeCell({themeLabel: themeLabelOne}),//矩阵背景backStyle=new SuperMap.REST.ServerStyle({fillForeColor: new SuperMap.REST.ServerColor(255,255,0),fillOpaqueRate: 60,lineWidth: 0.1}),
<span style="white-space:pre"> </span>//创建矩阵标签专题图themeLabel = new SuperMap.REST.ThemeLabel({matrixCells: [[LabelThemeCellOne]],<span style="white-space:pre"> </span>maxLabelLength:20,<span style="white-space:pre"> </span><span style="color:#ff0000;"><strong>smallGeometryLabeled:true,//关键点不然有可能看不到文字效果哦</strong></span>background:new SuperMap.REST.ThemeLabelBackground({backStyle: backStyle, labelBackShape:"RECT"})}),
themeParameters = new SuperMap.REST.ThemeParameters({
datasetNames: ["China_Province_R"],
dataSourceNames: ["China400"],
<span style="color:#ff0000;"><strong>themes: [themeLabel,themeUnique]//两个专题图组合</strong></span>
});
themeService.processAsync(themeParameters);
}function themeCompleted(themeEventArgs) {
if(themeEventArgs.result.resourceInfo.id) {
themeLayer = new SuperMap.Layer.TiledDynamicRESTLayer("中国行政区划_专题图", url, {cacheEnabled:false,transparent: true,layersID: themeEventArgs.result.resourceInfo.id}, {"maxResolution": "auto"});
themeLayer.events.on({"layerInitialized": addThemeLayer});
}
}
function addThemeLayer() {
map.addLayer(themeLayer);
}function themeFailed(serviceFailedEventArgs) {
//doMapAlert("",serviceFailedEventArgs.error.errorMsg,true);
alert(serviceFailedEventArgs.error.errorMsg);
}
function removeTheme() {
if (map.layers.length > 1) {
map.removeLayer(themeLayer, true);
}
}
</script>
</head>
<body οnlοad="init()"><br>
<div id="toolbar">
<input type="button" value="创建专题图" οnclick="addThemeUnique()" />
<input type="button" value="移除专题图" οnclick="removeTheme()" />
</div>
<div id="map"></div>
</body>
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