google map not load using javascript - javascript

I have posted my code but map is not load.please suggestion to this question.
i will also use google map js but can't load.
<script src="https://maps.googleapis.com/maps/api/js?callback=initMap">
if($('.map-container:visible').length >= 0)
{
initMap();
}
function initMap(){
google.maps.visualRefresh = true;
var myLatlng = new google.maps.LatLng('24.980832' ,'55.092480');
var mapOptions = {
zoom: 10,
center: myLatlng,
mapTypeId : google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById('dubaiTradeNew'), mapOptions);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title: 'Dubai Trade'
});
google.maps.event.addDomListener(window, "resize", function() {
var center = map.getCenter();
google.maps.event.trigger(map, "resize");
map.setCenter(center);
});
}

Please try adding height width once
<div class="map-container" id="dubaiTradeNew" style="height:100px;width:100px">
</div>
And Set different scripts
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?callback=initMap"></script>
<script>
//Code here
</script>

Related

how delete old markers on google map [duplicate]

This question already has answers here:
GoogleMaps v3 API Create only 1 marker on click
(5 answers)
Closed 5 years ago.
How to delete old markers and left only latest marker on google map.
I need only one marker no array.
Here is the code.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div id="map" style="width: 100%; height: 400px;"></div>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAA3ATL-GNAlXBPYYBMjdjoNWKUWnJ9i-c"></script>
<script>
var map;
function initialize() {
var haightAshbury = new google.maps.LatLng(52.62440324134009, 4.88054275512695);
var mapOptions = {
zoom: 8,
center: haightAshbury,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map'),
mapOptions);
google.maps.event.addListener(map, 'click', function(event) {
addMarker(event.latLng);
});
}
// Add a marker to the map and push to the array.
function addMarker(location) {
var marker = new google.maps.Marker({
position: location,
map: map
});
var lat = marker.getPosition().lat();
var lng = marker.getPosition().lng();
jQuery("#lat").val(lat);
jQuery("#lng").val(lng);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
<div id="panel">
<input type="hidden" value="" name="lat" id="lat">
<br/>
<input type="hidden" value="" name="lng" id="lng">
If I understood you right you can make a click maker that appears on the map if you click it and changes the position if you click somewhere else:
var clickmarker = new google.maps.Marker({
draggable: false
});
google.maps.event.addListener(map, 'click', function(event) {
clickmarker.setPosition(event.latLng);
clickmarker.setMap(map);
clickmarker.setAnimation(google.maps.Animation.DROP);
var lat = clickmarker.getPosition().lat();
var lng = clickmarker.getPosition().lng();
jQuery("#lat").val(lat);
jQuery("#lng").val(lng)
});
So your code would be:
<script>
var map;
function initialize() {
var haightAshbury = new google.maps.LatLng(52.62440324134009, 4.88054275512695);
var mapOptions = {
zoom: 8,
center: haightAshbury,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map'),
mapOptions);
var clickmarker = new google.maps.Marker({
draggable: false
});
google.maps.event.addListener(map, 'click', function(event) {
clickmarker.setPosition(event.latLng);
clickmarker.setMap(map);
clickmarker.setAnimation(google.maps.Animation.DROP);
var lat = clickmarker.getPosition().lat();
var lng = clickmarker.getPosition().lng();
jQuery("#lat").val(lat);
jQuery("#lng").val(lng)
});
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
Here's the doc: https://developers.google.com/maps/documentation/javascript/examples/marker-remove
Seems you just need to remove all the markers before adding the new one and you're good.
You can just change coordinates of existing marker
var marker;
if (marker) {
marker.setPosition(location);
} else {
marker = new google.maps.Marker({
position: location,
map: map
});
}

Google marker is not being displayed on map

I have written code to display a marker on a googlemap. The code is copied almost verbatim, from the Google API docs. Yet the marker is not displaying on the page.
Here is my code: What am I doing wrong?
var map;
var central_location = new google.maps.LatLng(42.745334, 12.738430);
function initialize() {
var mapCanvas = document.getElementById('map');
var mapOptions = {
center: central_location,
zoom: 14,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(mapCanvas, mapOptions);
}
google.maps.event.addDomListener(window, 'load', initialize);
$(document).ready(function() {
var infowindow = new google.maps.InfoWindow({
content: '<div>Hello</div>'
});
var marker = new google.maps.Marker({
position: central_location,
map: map,
title: 'This is the title'
});
marker.addListener('click', function() {
infowindow.open(map, marker);
});
marker.setMap(map);
});
#map {
width: 500px;
height: 380px;
}
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" type="text/javascript" style=""></script>
<script src="https://maps.googleapis.com/maps/api/js"></script>
<div id="map"></div>
I notice that there are similar questions, the only thing that seems to be different with my question is that I am creating my marker in the jQuery ready() event - NOT the initialize() function.
Is this why the marker is not been displayed?
Note: I don't remember reading anything in the Google API docs that states that markers should be created when the map is being created, so that can't obviously be the case
Move your marker creation to the initialize function.
$(document).ready(function(){}) works when DOM elements are loaded, which doesn't necessarily mean that the map is loaded. So if you try to create the marker in the document ready function, the map might not be created then, once the map is ready map variable has the map object, so you can make the marker on that, and you can add the markers dynamically after the map is loaded.
var map;
var central_location = new google.maps.LatLng(42.745334, 12.738430);
function initialize() {
console.log('map loaded');
var mapCanvas = document.getElementById('map');
var mapOptions = {
center: central_location,
zoom: 14,
streetViewControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(mapCanvas, mapOptions);
makePin(42.745334, 12.738430);
}
google.maps.event.addDomListener(window, 'load', initialize);
$(document).ready(function(){
console.log('document loaded');
})
function makePin(lat, long){
var marker = new google.maps.Marker({
position: new google.maps.LatLng(lat, long),
map: map,
title: 'This is the title'
});
var infowindow = new google.maps.InfoWindow({
content: '<div>Hello</div>'
});
marker.addListener('click', function() {
infowindow.open(map, marker);
});
}
#map {
width: 500px;
height: 380px;
}
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" type="text/javascript" style=""></script>
<script src="https://maps.googleapis.com/maps/api/js"></script>
<button onclick="makePin(42.749334, 12.739430)">Add Pin</button>
<div id="map"></div>
How can you make marker without loaded map. Map need to initialize first then marker will work
function initialize() {
var mapCanvas = document.getElementById('map');
var mapOptions = {
center: central_location,
zoom: 14,
streetViewControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(mapCanvas, mapOptions);
var marker = new google.maps.Marker({
position: central_location,
map: map,
title: 'This is the title'
});
marker.addListener('click', function () {
infowindow.open(map, marker);
});
marker.setMap(map);
}
Here is the solution:
var map;
var central_location = new google.maps.LatLng(42.745334, 12.738430);
function initialize() {
var mapCanvas = document.getElementById('map');
var mapOptions = {
center: central_location,
zoom: 14,
streetViewControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(mapCanvas, mapOptions);
var marker = new google.maps.Marker({
position: central_location,
map: map,
title: 'This is the title'
});
marker.addListener('click', function() {
infowindow.open(map, marker);
});
marker.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
$(document).ready(function() {
var infowindow = new google.maps.InfoWindow({
content: '<div>Hello</div>'
});
});
#map {
width: 500px;
height: 380px;
}
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" type="text/javascript" style=""></script>
<script src="https://maps.googleapis.com/maps/api/js"></script>
<div id="map"></div>

how to insert a marker to point out to specific location in Google maps?

<head>
<script src="http://maps.googleapis.com/maps/api/js"></script>
<script>
function initialize() {
var mapProp = {
center:new google.maps.LatLng(51.508742,-0.120850),
zoom:5,
mapTypeId:google.maps.MapTypeId.ROADMAP
};
var map=new google.maps.Map(document.getElementById("googleMap"),mapProp);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="googleMap" style="width:500px;height:380px;"></div>
</body>
I am using the above code to insert Google maps in my website. It is showing the place but I want to insert a pointer or marker to be there in a specific address. Can I get some help in regarding how to insert it?
Use the google.maps.Marker constructor with a lat/long, map and title.
var myLatlng = new google.maps.LatLng(-25.363882,131.044922);
var mapOptions = {
zoom: 4,
center: myLatlng
}
var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title: 'Hello World!'
});
https://developers.google.com/maps/documentation/javascript/markers

Get Latitude and Longitude on click event from Google map

I have implemented the Google map successfully. But one more thing has left to do. I need to retrieve the Longitude and Latitude data when the user clicks on the map (any co-ordinates). My entire code looks like this:
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var map;
function initialize() {
var myLatlng = new google.maps.LatLng(<?=$decimalValueLon?>,<?=$decimalValueLat?>);
var myOptions = {
zoom: 17,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.SATELLITE
};
map = new google.maps.Map(document.getElementById('map_canvas'),
myOptions);
// marker STARTS
var marker = new google.maps.Marker({
position: myLatlng,
title:"Click to view info!"
});
marker.setMap(map);
// marker ENDS
// info-window STARTS
var infowindow = new google.maps.InfoWindow({ content: "<div class='map_bg_logo'><span style='color:#1270a2;'><b><?=$row->bridge_name?></b> (<?=$row->bridge_no?>)</span><div style='border-top:1px dotted #ccc; height:1px; margin:5px 0;'></div><span style='color:#555;font-size:11px;'><b>Length: </b><?=$row->bridge_length?> meters</span></div>" });
google.maps.event.addListener(marker, 'click', function() {
infowindow.open(map,marker);
});
// info-window ENDS
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>`
Thanks in advance !
You can add a click-handler like you have a load handler:
google.maps.event.addListener(map, "click", function (e) {
//lat and lng is available in e object
var latLng = e.latLng;
});
<script>
var map;
function init_map() {
var opts = { 'center': new google.maps.LatLng(35.567980458012094,51.4599609375), 'zoom': 5, 'mapTypeId': google.maps.MapTypeId.ROADMAP }
map = new google.maps.Map(document.getElementById('mapdiv'), opts);
google.maps.event.addListener(map,'click',function(event) {
document.getElementById('latlongclicked').value = event.latLng.lat()
document.getElementById('lotlongclicked').value = event.latLng.lng()
});
google.maps.event.addListener(map,'mousemove',function(event) {
document.getElementById('latspan').innerHTML = event.latLng.lat()
document.getElementById('lngspan').innerHTML = event.latLng.lng()
});
}
google.maps.event.addDomListener(window, 'load', init_map);
</script>

Add Marker function with Google Maps API

I have the following Javascript that includes both the standard Google Maps API initialize() function and custom addMarker() function. The map will load fine however the marker does not get added to the map.
<script type="text/javascript">
// Standard google maps function
function initialize() {
var myLatlng = new google.maps.LatLng(40.779502, -73.967857);
var myOptions = {
zoom: 12,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
}
// Function for adding a marker to the page.
function addMarker(location) {
marker = new google.maps.Marker({
position: location,
map: map
});
}
// Testing the addMarker function
CentralPark = new google.maps.LatLng(37.7699298, -122.4469157);
addMarker(CentralPark);
</script>
You have added the add marker method call outside the function and that causes it to execute before the initialize method which will be called when google maps script loads and thus the marker is not added because map is not initialized
Do as below....
Create separate method TestMarker and call it from initialize.
<script type="text/javascript">
// Standard google maps function
function initialize() {
var myLatlng = new google.maps.LatLng(40.779502, -73.967857);
var myOptions = {
zoom: 12,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
TestMarker();
}
// Function for adding a marker to the page.
function addMarker(location) {
marker = new google.maps.Marker({
position: location,
map: map
});
}
// Testing the addMarker function
function TestMarker() {
CentralPark = new google.maps.LatLng(37.7699298, -122.4469157);
addMarker(CentralPark);
}
</script>
function initialize() {
var location = new google.maps.LatLng(44.5403, -78.5463);
var mapCanvas = document.getElementById('map_canvas');
var map_options = {
center: location,
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
var map = new google.maps.Map(map_canvas, map_options);
new google.maps.Marker({
position: location,
map: map
});
}
google.maps.event.addDomListener(window, 'load', initialize);
THis is other method
You can also use setCenter method with add new marker
check below code
$('#my_map').gmap3({
action: 'setCenter',
map:{
options:{
zoom: 10
}
},
marker:{
values:
[
{latLng:[position.coords.latitude, position.coords.longitude], data:"Netherlands !"}
]
}
});
<div id="map" style="width:100%;height:500px"></div>
<script>
function myMap() {
var myCenter = new google.maps.LatLng(51.508742,-0.120850);
var mapCanvas = document.getElementById("map");
var mapOptions = {center: myCenter, zoom: 5};
var map = new google.maps.Map(mapCanvas, mapOptions);
var marker = new google.maps.Marker({position:myCenter});
marker.setMap(map);
}
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBu-916DdpKAjTmJNIgngS6HL_kDIKU0aU&callback=myMap"></script>
Below code works for me:
<script src="http://maps.googleapis.com/maps/api/js"></script>
<script>
var myCenter = new google.maps.LatLng(51.528308, -0.3817765);
function initialize() {
var mapProp = {
center:myCenter,
zoom:15,
mapTypeId:google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("googleMap"), mapProp);
var marker = new google.maps.Marker({
position: myCenter,
icon: {
url: '/images/marker.png',
size: new google.maps.Size(70, 86), //marker image size
origin: new google.maps.Point(0, 0), // marker origin
anchor: new google.maps.Point(35, 86) // X-axis value (35, half of marker width) and 86 is Y-axis value (height of the marker).
}
});
marker.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
<body>
<div id="googleMap" style="width:500px;height:380px;"></div>
</body>
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