ASP.NET Google Maps Javascript API V3 实战基础篇一叠加层地图

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MapType_Overlay.aspx.cs"
    Inherits="Samples.Overlays.MapType_Overlay" %>

<!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 runat="server">
    <title>叠加层地图</title>
    <style type="text/css">
        #maps
        {
            height: 450px;
        }
    </style>

    <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&language=zh-CN"></script>

    <script language="javascript" type="text/javascript">


        //设置层次提示大小
        function CoordMapType(tileSize) {
            this.tileSize = tileSize;
        }
        //叠加层地图原型
        CoordMapType.prototype.getTile = function(coord, zoom, ownerDocument) {
            var div = ownerDocument.createElement("DIV");
            div.innerHTML = coord;
            div.style.width = this.tileSize.width + "px";
            div.style.height = this.tileSize.height + "px";
            div.style.fontSize = "10";
            div.style.borderStyle = "solid";
            div.style.borderWidth = "1px";
            div.style.borderColor = "#AAAAAA";
            return div;
        };
        var map;
        var chicago = new google.maps.LatLng(41.850033, -87.6500523);
        function initialize() {
            var Options = {
                zoom: 10, center: chicago, mapTypeId: google.maps.MapTypeId.ROADMAP
            };
            map = new google.maps.Map(document.getElementById("maps"), Options);
            //创建叠加层地图并添加到地图面板上
            map.overlayMapTypes.insertAt(0, new CoordMapType(new google.maps.Size(256, 256)));
        }
        //将地图初始化函数绑定到window的load事件
        google.maps.event.addDomListener(window, "load", initialize);
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div id="maps">
    </div>
    </form>
</body>
</html>

posted on 2010-11-15 15:06  WQL.NET  阅读(184)  评论(0)  编辑  收藏  举报