Javascript 谷歌地图上的闪烁圆圈
我有JSFIDLE链接中的闪烁圆圈 我想在我的谷歌地图上使用这个闪烁的圆圈,它基于lat/long或者默认设置的位置 请查找以下代码:Javascript 谷歌地图上的闪烁圆圈,javascript,google-maps,Javascript,Google Maps,我有JSFIDLE链接中的闪烁圆圈 我想在我的谷歌地图上使用这个闪烁的圆圈,它基于lat/long或者默认设置的位置 请查找以下代码: <!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/> <meta http-equiv="content-type" content="text/html; ch
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title> DIRECTIONS </title>
<style>
html{height:100%;}
body{height:100%;margin:0px;font-family: Helvetica,Arial;}
</style>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type ="text/javascript" src="http://www.geocodezip.com/scripts/v3_epoly.js"></script>
<script type="text/javascript">
var map;
var directionDisplay;
var directionsService;
var stepDisplay;
var position;
var marker = [];
var polyline = [];
var poly2 = [];
var poly = null;
var startLocation = [];
var endLocation = [];
var timerHandle = [];
var speed = 0.000005, wait = 1;
var infowindow = null;
var myPano;
var panoClient;
var nextPanoId;
var startLoc = new Array();
startLoc[0] = 'Madipakkam, Chennai';
startLoc[1] = 'Koyambedu';
startLoc[2] = 'Express Avenue, Chennai';
var endLoc = new Array();
endLoc[0] = 'Express Avenue, Chennai';
endLoc[1] = 'Express Avenue, Chennai';
endLoc[2] = 'Koyambedu';
var Colors = ["#FF0000", "#00FF00", "#0000FF"];
function initialize() {
infowindow = new google.maps.InfoWindow(
{
size: new google.maps.Size(150,50)
});
var myOptions = {
zoom: 16,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
address = 'Chennai'
geocoder = new google.maps.Geocoder();
geocoder.geocode( { 'address': address}, function(results, status) {
map.fitBounds(results[0].geometry.viewport);
});
// setRoutes();
}
function createMarker(latlng, label, html) {
//alert("createMarker("+latlng+","+label+","+html+","+color+")");
var contentString = '<b>'+label+'</b><br>'+html;
var marker = new google.maps.Marker({
position: latlng,
map: map,
title: label,
zIndex: Math.round(latlng.lat()*-100000)<<5,
icon:"car.png"
});
marker.myname = label;
google.maps.event.addListener(marker, 'click', function() {
infowindow.setContent(contentString);
infowindow.open(map,marker);
});
return marker;
}
function setRoutes(){
var directionsDisplay = new Array();
for (var i=0; i< startLoc.length; i++){
var rendererOptions = {
map: map,
suppressMarkers : true,
preserveViewport: true
}
directionsService = new google.maps.DirectionsService();
var travelMode = google.maps.DirectionsTravelMode.DRIVING;
var request = {
origin: startLoc[i],
destination: endLoc[i],
travelMode: travelMode
};
directionsService.route(request,makeRouteCallback(i,directionsDisplay[i]));
}
function makeRouteCallback(routeNum,disp){
if (polyline[routeNum] && (polyline[routeNum].getMap() != null)) {
startAnimation(routeNum);
return;
}
return function(response, status){
if (status == google.maps.DirectionsStatus.OK){
var bounds = new google.maps.LatLngBounds();
var route = response.routes[0];
startLocation[routeNum] = new Object();
endLocation[routeNum] = new Object();
polyline[routeNum] = new google.maps.Polyline({
path: [],
strokeColor: '#FFFF00',
strokeWeight: 1
});
// For each route, display summary information.
var path = response.routes[0].overview_path;
var legs = response.routes[0].legs;
disp = new google.maps.DirectionsRenderer(rendererOptions);
disp.setMap(map);
disp.setDirections(response);
//Markers
for (i=0;i<legs.length;i++) {
if (i == 0) {
startLocation[routeNum].latlng = legs[i].start_location;
startLocation[routeNum].address = legs[i].start_address;
//marker = google.maps.Marker({map:map,position: startLocation.latlng});
marker[routeNum] = createMarker(legs[i].start_location,"start",legs[i].start_address,"green");
}
endLocation[routeNum].latlng = legs[i].end_location;
endLocation[routeNum].address = legs[i].end_address;
var steps = legs[i].steps;
for (j=0;j<steps.length;j++) {
var nextSegment = steps[j].path;
var nextSegment = steps[j].path;
for (k=0;k<nextSegment.length;k++) {
polyline[routeNum].getPath().push(nextSegment[k]);
//bounds.extend(nextSegment[k]);
}
}
}
}
polyline[routeNum].setMap(map);
//map.fitBounds(bounds);
startAnimation(routeNum);
} // else alert("Directions request failed: "+status);
}
}
var lastVertex = 1;
var stepnum=0;
var step = 50; // 5; // metres
var tick = 100; // milliseconds
var eol= [];
//----------------------------------------------------------------------
function updatePoly(i,d) {
// Spawn a new polyline every 20 vertices, because updating a 100-vertex poly is too slow
if (poly2[i].getPath().getLength() > 20) {
poly2[i]=new google.maps.Polyline([polyline[i].getPath().getAt(lastVertex-1)]);
//map.addOverlay(poly2)
}
if (polyline[i].GetIndexAtDistance(d) < lastVertex+2) {
if (poly2[i].getPath().getLength()>1) {
poly2[i].getPath().removeAt(poly2[i].getPath().getLength()-1)
}
poly2[i].getPath().insertAt(poly2[i].getPath().getLength(),polyline[i].GetPointAtDistance(d));
} else {
poly2[i].getPath().insertAt(poly2[i].getPath().getLength(),endLocation[i].latlng);
}
}
//----------------------------------------------------------------------------
function animate(index,d) {
if (d>eol[index]) {
marker[index].setPosition(endLocation[index].latlng);
return;
}
var p = polyline[index].GetPointAtDistance(d);
//map.panTo(p);
marker[index].setPosition(p);
updatePoly(index,d);
timerHandle[index] = setTimeout("animate("+index+","+(d+step)+")", tick);
}
//-------------------------------------------------------------------------
function startAnimation(index) {
if (timerHandle[index]) clearTimeout(timerHandle[index]);
eol[index]=polyline[index].Distance();
map.setCenter(polyline[index].getPath().getAt(0));
poly2[index] = new google.maps.Polyline({path: [polyline[index].getPath().getAt(0)], strokeColor:"#FFFF00", strokeWeight:3});
timerHandle[index] = setTimeout("animate("+index+",50)",2000); // Allow time for the initial map display
}
//----------------------------------------------------------------------------
</script>
</head>
<body onload="initialize()">
<div id="tools">
<button onclick="setRoutes();">Start</button>
</div>
<div id="map_canvas" style="width:100%;height:100%;"></div>
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript">
</script>
<script type="text/javascript">
_uacct = "UA-162157-1";
urchinTracker();
</script>
</body>
</html>
方向
html{高度:100%;}
正文{高度:100%;边距:0px;字体系列:Helvetica,Arial;}
var映射;
方向显示;
var定向服务;
var步进显示;
var位置;
var标记=[];
var多段线=[];
var poly2=[];
var-poly=null;
var=[];
var endLocation=[];
var timerHandle=[];
var速度=0.000005,等待=1;
var infowindow=null;
myPano变种;
客户机;
nextPanoId变种;
var startoc=新数组();
Startoc[0]=“Madipakkam,钦奈”;
Startoc[1]=“Koyambedu”;
Startoc[2]=“钦奈快速大道”;
var endLoc=新数组();
endLoc[0]=“钦奈快速大道”;
endLoc[1]=“钦奈快速大道”;
endLoc[2]=“Koyambedu”;
变量颜色=[“FF0000”、“00FF00”、“0000FF”];
函数初始化(){
infowindow=新建google.maps.infowindow(
{
尺寸:新谷歌地图尺寸(150,50)
});
变量myOptions={
缩放:16,
mapTypeId:google.maps.mapTypeId.ROADMAP
}
map=new google.maps.map(document.getElementById(“map_canvas”),myOptions);
地址=‘钦奈’
geocoder=新的google.maps.geocoder();
geocoder.geocode({'address':address},函数(结果,状态){
map.fitBounds(结果[0].geometry.viewport);
});
//setRoutes();
}
函数createMarker(板条、标签、html){
//警报(“createMarker”(“+latlng+”、“+label+”、“+html+”、“+color+”));
var contentString=''+label+'
'+html;
var marker=new google.maps.marker({
位置:latlng,
地图:地图,
标题:标签,
zIndex:Math.round(latlng.lat()*-100000)