Google地图:将地图视图更改为卫星视图 [英] Google maps: change from map view to satellite view
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问题描述
我有一个带有JavaScript的Google地图,我想在放大100%之后(完全缩放)将地图视图中的模式地图更改为卫星视图,以下JavaScript代码如何完成它?
DEMO: http://jsfiddle.net/keL4L2h0/
< pre class =snippet-code-js lang-js prettyprint-override>
////////正在载入Google地图//////////////// ////////////////////////////////////////////////// //(函数(){var latitude = $('input [name =latitude]')。val(); var longitude = $('input (纬度:38.341656192795924),lng =(经度:经度:-122.68604278564453),latlng =新增google.maps.LatLng(lat,lng),图片='http://www.google.com/intl/zh_CN/mapfiles/ms/micons /blue-dot.png; // zoomControl:true; // zoomControlOptions:google.maps.ZoomControlStyle.LARGE; var mapOptions = {center:new google.maps.LatLng(lat,lng),zoom:(latitude?16:7),panControl:false,zoomControl:true,zoomControlOptions:{style:google.maps.ZoomControlStyle.LARGE}, mapTypeControl:false,streetViewControl:false,overviewMapControl:true,rotateControl:false,mapTypeId:google.maps.MapTypeId.ROADMAP}; map = new google.maps.Map(document.getElementById('map_canvas'),mapOptions); var marker = new google.maps.Marker({position:latlng,map:map,icon:image,draggable:true,animation:google.maps.Animation.DROP}); var input = document.getElementById('searchTextField'); var autocomplete = new google.maps.places.Autocomplete(input,{types:[geocode]}); autocomplete.bindTo('bounds',map); var infowindow = new google.maps.InfoWindow(); google.maps.event.addListener(autocomplete,'place_changed',function(event){infowindow.close(); var place = autocomplete.getPlace(); if(place.geometry.viewport){map.fitBounds(place.geometry );其他{map.setCenter(place.geometry.location); map.setZoom(17);} moveMarker(place.name,place.geometry.location); $('。MapLat')。val(place .geometry.location.lat()); $('。MapLon').val(place.geometry.location.lng());}); google.maps.event.addListener(marker,'dragend',function(event){$('。MapLat')。val(event.latLng.lat()); $('。MapLon')。val(event。 latLng.lng()); $(#searchTextField)。val('');}); google.maps.event.addListener(map,'click',function(event){$('。MapLat')。val(event.latLng.lat()); $('。MapLon')。val(event。 latLng.lng()); infowindow.close(); var geocoder = new google.maps.Geocoder(); geocoder.geocode({latLng:event.latLng},function(results,status){console.log结果,状态); if(status == google.maps.GeocoderStatus.OK){console.log(results); var lat = results [0] .geometry.location.lat(),lng = results [0] .geometry .location.lng(),placeName = results [0] .address_components [0] .long_name,latlng = new google.maps.LatLng(lat,lng); moveMarker(placeName,latlng); $(#searchTextField)。 val(results [0] .formatted_address);} }); });函数moveMarker(placeName,latlng){marker.setIcon(image); marker.setPosition(经纬度); infowindow.setContent(地名); //map.panTo(new google.maps.LatLng(lat,lng)); //infowindow.open(map,marker); }});
< script src =https: aaax.ltgl / js?libraries = places& region = uk& language = en& sensor = true>< / script>< div id =map_canvasstyle =height:400px; width:500px;>< / div>
解决方案
如果当前缩放级别大于或等于 ROADMAP MapType,将mapType更改为SATELLITE:
google.maps.event.addListener(map,'zoom_changed',function (){
var maptype = map.getMapTypeId();
if(map.getZoom()> = map.mapTypes [maptype] .maxZoom){
if(map.getMapTypeId )!= google.maps.MapTypeId.HYBRID) {
map.setMapTypeId(google.maps.MapTypeId.HYBRID)
map.setTilt(0); //禁用45度图像
}
}
});;
代码段:
////////加载谷歌地图////////////////// $(function(){var latitude = $('input [name = latitude]').val(); var longitude = $('input [name =longitude]').val(); var lat =(纬度纬度:38.341656192795924),lng =(经度? -122.68604278564453),latlng = new google.maps.LatLng(lat,lng),image ='http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png'; var mapOptions = {center:new google.maps.LatLng(lat,lng),zoom:(纬度?16:7),panControl:false,zoomControl:true,zoomControlOptions:{style:google.maps.ZoomControlStyle.LARGE},streetViewControl: false,overviewMapCont rol:true,rotateControl:false,mapTypeId:google.maps.MapTypeId.ROADMAP}; map = new google.maps.Map(document.getElementById('map_canvas'),mapOptions); var marker = new google.maps.Marker({position:latlng,map:map,icon:image,draggable:true,animation:google.maps.Animation.DROP}); google.maps.event.addListener(marker,'click',function(evt){map.setZoom(20);}); google.maps.event.addListener(map,'zoom_changed',function(){var maptypes = map.mapTypes; var maptype = map.getMapTypeId(); document.getElementById('info')。innerHTML =[+ maptype +] zoom:+ map.getZoom(); if(map.getZoom()> = map.mapTypes [maptype] .maxZoom){if(map.getMapTypeId()!= google.maps.MapTypeId.HYBRID) {map.setMapTypeId(google.maps.MapTypeId.HYBRID)map.setTilt(0); // disable 45 degree imagery}}}); var infowindow = new google.maps.InfoWindow();函数moveMarker(placeName,latlng){marker.setIcon(image); marker.setPosition(经纬度); infowindow.setContent(地名); }});
body,html,#map_canvas {height :100%; width:100%;}
< script src = https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js\"></script><script src =https://maps.google.com/maps / api / js?libraries = places>< / script>< div id =map_canvas>< / div>< div id =info>< / div>
I have a google map with javascript and i want after zoom in 100%,(full zoom) change the mode map from map view to satellite view, how done it in following javascript code?
DEMO:http://jsfiddle.net/keL4L2h0/
//////// Loading Google Map //////////////////////////////////////////////////////////////////////////////////
$(function() {
var latitude = $('input[name="latitude"]').val();
var longitude = $('input[name="longitude"]').val();
var lat = (latitude ? latitude : 38.341656192795924),
lng = (longitude ? longitude : -122.68604278564453),
latlng = new google.maps.LatLng(lat, lng),
image = 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png';
//zoomControl: true;
//zoomControlOptions: google.maps.ZoomControlStyle.LARGE;
var mapOptions = {
center: new google.maps.LatLng(lat, lng),
zoom: (latitude ? 16 : 7),
panControl: false,
zoomControl: true,
zoomControlOptions: {
style: google.maps.ZoomControlStyle.LARGE
},
mapTypeControl: false,
streetViewControl: false,
overviewMapControl: true,
rotateControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map_canvas'), mapOptions);
var marker = new google.maps.Marker({
position: latlng,
map: map,
icon: image,
draggable: true,
animation: google.maps.Animation.DROP
});
var input = document.getElementById('searchTextField');
var autocomplete = new google.maps.places.Autocomplete(input, {
types: ["geocode"]
});
autocomplete.bindTo('bounds', map);
var infowindow = new google.maps.InfoWindow();
google.maps.event.addListener(autocomplete, 'place_changed', function(event) {
infowindow.close();
var place = autocomplete.getPlace();
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17);
}
moveMarker(place.name, place.geometry.location);
$('.MapLat').val(place.geometry.location.lat());
$('.MapLon').val(place.geometry.location.lng());
});
google.maps.event.addListener(marker, 'dragend', function(event) {
$('.MapLat').val(event.latLng.lat());
$('.MapLon').val(event.latLng.lng());
$("#searchTextField").val('');
});
google.maps.event.addListener(map, 'click', function(event) {
$('.MapLat').val(event.latLng.lat());
$('.MapLon').val(event.latLng.lng());
infowindow.close();
var geocoder = new google.maps.Geocoder();
geocoder.geocode({
"latLng": event.latLng
}, function(results, status) {
console.log(results, status);
if (status == google.maps.GeocoderStatus.OK) {
console.log(results);
var lat = results[0].geometry.location.lat(),
lng = results[0].geometry.location.lng(),
placeName = results[0].address_components[0].long_name,
latlng = new google.maps.LatLng(lat, lng);
moveMarker(placeName, latlng);
$("#searchTextField").val(results[0].formatted_address);
}
});
});
function moveMarker(placeName, latlng) {
marker.setIcon(image);
marker.setPosition(latlng);
infowindow.setContent(placeName);
//map.panTo( new google.maps.LatLng( lat,lng ) );
//infowindow.open(map, marker);
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://maps.google.com/maps/api/js?libraries=places®ion=uk&language=en&sensor=true"></script>
<div id="map_canvas" style="height: 400px;width: 500px;"></div>
解决方案
If the current zoom level is greater than or equal to the maximum zoom level of the ROADMAP MapType, change the mapType to SATELLITE:
google.maps.event.addListener(map, 'zoom_changed', function () {
var maptype = map.getMapTypeId();
if (map.getZoom() >= map.mapTypes[maptype].maxZoom) {
if (map.getMapTypeId() != google.maps.MapTypeId.HYBRID) {
map.setMapTypeId(google.maps.MapTypeId.HYBRID)
map.setTilt(0); // disable 45 degree imagery
}
}
});;
code snippet:
//////// Loading Google Map //////////////////
$(function() {
var latitude = $('input[name="latitude"]').val();
var longitude = $('input[name="longitude"]').val();
var lat = (latitude ? latitude : 38.341656192795924),
lng = (longitude ? longitude : -122.68604278564453),
latlng = new google.maps.LatLng(lat, lng),
image = 'http://www.google.com/intl/en_us/mapfiles/ms/micons/blue-dot.png';
var mapOptions = {
center: new google.maps.LatLng(lat, lng),
zoom: (latitude ? 16 : 7),
panControl: false,
zoomControl: true,
zoomControlOptions: {
style: google.maps.ZoomControlStyle.LARGE
},
streetViewControl: false,
overviewMapControl: true,
rotateControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map_canvas'), mapOptions);
var marker = new google.maps.Marker({
position: latlng,
map: map,
icon: image,
draggable: true,
animation: google.maps.Animation.DROP
});
google.maps.event.addListener(marker, 'click', function(evt) {
map.setZoom(20);
});
google.maps.event.addListener(map, 'zoom_changed', function() {
var maptypes = map.mapTypes;
var maptype = map.getMapTypeId();
document.getElementById('info').innerHTML = "[" + maptype + "] zoom: " + map.getZoom();
if (map.getZoom() >= map.mapTypes[maptype].maxZoom) {
if (map.getMapTypeId() != google.maps.MapTypeId.HYBRID) {
map.setMapTypeId(google.maps.MapTypeId.HYBRID)
map.setTilt(0); // disable 45 degree imagery
}
}
});
var infowindow = new google.maps.InfoWindow();
function moveMarker(placeName, latlng) {
marker.setIcon(image);
marker.setPosition(latlng);
infowindow.setContent(placeName);
}
});
body,
html,
#map_canvas {
height: 100%;
width: 100%;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maps.google.com/maps/api/js?libraries=places"></script>
<div id="map_canvas"></div>
<div id="info"></div>
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