【ArcGIS for JavaScript】加载地图，并标注点

来源：互联网发布：淘宝店标图片尺寸编辑：程序博客网时间：2024/06/05 07:24

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no" />
<script src="config.js" type="text/javascript"></script>
<script src="gisapi/arcgisapi/library/3.16/3.16/init.js" type="text/javascript"></script>
<link type="text/css" href="gisapi/arcgisapi/library/3.16/3.16/esri/css/esri.css" rel="stylesheet" />
<link type="text/css" href="gisapi/arcgisapi/library/3.16/3.16/dijit/themes/tundra/tundra.css" rel="stylesheet" />
<title>Map hello world</title>
<style>
html,
body,
#map {
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
<script>
var map;
require(["esri/map",
"esri/SpatialReference",
"esri/geometry/Point",
"esri/geometry/Polygon",
"esri/geometry/Polyline",
"esri/geometry/Extent",
"esri/geometry/ScreenPoint",
"esri/layers/GraphicsLayer",
"esri/symbols/SimpleLineSymbol",
"esri/symbols/SimpleFillSymbol",
"esri/symbols/TextSymbol",
"esri/renderers/ClassBreaksRenderer",
"esri/graphic",
"esri/Color",
"esri/toolbars/draw",
"dojo/_base/connect",
"dojo/domReady!"
],
function(Map, SpatialReference, Point, Polygon, Polyline, Extent, ScreenPoint, GraphicsLayer, SimpleLineSymbol, SimpleFillSymbol, TextSymbol, ClassBreaksRenderer, Graphic, Color, DrawTool, connect) {
map = new Map("map", {
zoom: 10,
force3DTransforms: true,
basemap: "national-geographic"
});
//设置地图坐标系类型
var spatialReference = new SpatialReference(102100);
map.spatialReference = spatialReference;
//中心基于地图位置
map.centerAt(new Point(13366465, 3705414, new SpatialReference(102100)));
//创建图层
graphicLayer = new GraphicsLayer();
//把图层添加到地图上
map.addLayer(graphicLayer);
addMarker(13366465, 3705414);
map.on("click", function(e) {
addMarker(e.mapPoint.x, e.mapPoint.y);
});
map.showZoomSlider();
});
function addMarker(xx, yy) {
//设置标注的经纬度
var pt = new esri.geometry.Point(xx, yy, map.spatialReference);
var symbol1 = new esri.symbol.PictureMarkerSymbol("images/site.png", 25, 25);
//要在模版中显示的参数
var attr = {
"address": "山东省淄博市张店区"
};
//创建模版
var infoTemplate = new esri.InfoTemplate("标题", "地址:${address}");
//创建图像
var graphic = new esri.Graphic(pt, symbol1, attr, infoTemplate);
//把图像添加到刚才创建的图层上
graphicLayer.add(graphic);
setMapCenter(xx, yy, map.getLevel());
}
function setMapCenter(xx, yy, level) {
var point = new esri.geometry.Point(xx, yy, map.spatialReference);
map.centerAndZoom(point, level);
}
</script>
</head>
<body>
<div id="map" style="z-index:0;">
</div>
</body>
</html>

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