これを試してください。ズームレベルのコードでこの「ズーム:9」を見てください...
<div id="MyDivScrolling">
<div>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?key=AIzaSyC8KY7rkZP7Xyq5oVM0nssUc4OPIP7MQtw&callback=initMap"></script>
<script type="text/javascript">
var markers = [{
"title": 'Havana',
"lat": '23.1330200',
"lng": '-82.3830400',
"description": 'José Martí International Airport, Havana'
}
,
{
"title": 'Tampa',
"lat": '27.964157',
"lng": '-82.452606',
"description": 'Tampa International Airport, Tampa'
}
,
{
"title": 'Orlando',
"lat": '28.538336',
"lng": ' -81.379234',
"description": 'Orlando International Airport, Orlando'
}
,
{
"title": 'Havana',
"lat": '23.1330200',
"lng": '-82.3830400',
"description": 'José Martí International Airport, Havana'
}
,
{
"title": 'Havana',
"lat": '23.1330200',
"lng": '-82.3830400',
"description": 'José Martí International Airport, Havana'
}
,
{
"title": 'Miami',
"lat": '25.7742700',
"lng": '-80.1936600',
"description": 'Miami International Airport, Miami'
}
,
{
"title": 'Camagüey-Ignacio Agramonte',
"lat": '21.416666666667',
"lng": '-77.866666666667 ',
"description": 'Camagüey-Ignacio Agramonte Airport, Camagüey'
}
,
{
"title": 'Camagüey-Ignacio Agramonte',
"lat": '21.416666666667',
"lng": '-77.866666666667 ',
"description": 'Camagüey-Ignacio Agramonte Airport, Camagüey'
}
,
{
"title": 'Tampa',
"lat": '27.964157',
"lng": '-82.452606',
"description": 'Tampa International Airport, Tampa'
}];
window.onload = function () {
var mapOptions = {
center: new google.maps.LatLng(markers[0].lat, markers[0].lng),
zoom: 9,
mapTypeId: google.maps.MapTypeId.Streapmap
};
var map = new google.maps.Map(document.getElementById("dvMap"), mapOptions);
var infoWindow = new google.maps.InfoWindow();
var lat_lng = new Array();
var latlngbounds = new google.maps.LatLngBounds();
for (i = 0; i < markers.length; i++) {
var data = markers[i]
var myLatlng = new google.maps.LatLng(data.lat, data.lng);
lat_lng.push(myLatlng);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title: data.title
});
latlngbounds.extend(marker.position);
(function (marker, data) {
google.maps.event.addListener(marker, "click", function (e) {
infoWindow.setContent(data.description);
infoWindow.open(map, marker);
});
})(marker, data);
}
map.setCenter(latlngbounds.getCenter());
map.fitBounds(latlngbounds);
//***********ROUTING****************//
//Intialize the Path Array
var path = new google.maps.MVCArray();
//Intialize the Direction Service
var service = new google.maps.DirectionsService();
//Set the Path Stroke Color
var poly = new google.maps.Polyline({ map: map, strokeColor: 'Blue' });
//Loop and Draw Path Route between the Points on MAP
for (var i = 0; i < lat_lng.length; i++) {
if ((i + 1) < lat_lng.length) {
var src = lat_lng[i];
var des = lat_lng[i + 1];
path.push(src);
poly.setPath(path);
service.route({
origin: src,
destination: des,
travelMode: google.maps.DirectionsTravelMode.DRIVING
}, function (result, status) {
if (status == google.maps.DirectionsStatus.OK) {
for (var i = 0, len = result.routes[0].overview_path.length; i < len; i++) {
path.push(result.routes[0].overview_path[i]);
}
}
});
}
}
}
</script>
<div class="MainSliderItem2 ImagesContainerItem">
<div id="dvMap" style="width: 100%;height: 490px;position: relative;overflow: hidden;background-color: rgb(229, 227, 223);max-width: 80%;margin: 98px auto;">
</div>
</div>
</div>
</div>