Google maps moving marker on click

Google maps moving marker on click - javascript

What I want to do is,
on my map, when I click somewhere on the map, it shows a marker on the point, then I click different point on the map then it shows a another marker. But I want it to move the first marker to the second point.
( I put " behind the html tags for putting the code here.)
This is my code:
<html>
<style type="text/css">
#map_canvas {
height: 760px;
width: 1100px;
position: static;
top: 100px;
left: 200px;
}
</style>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
function initialize() {
var latlng = new google.maps.LatLng(42.55308, 9.140625);
var myOptions = {
zoom: 2,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
streetViewControl: false,
mapTypeControl: false,
};
var map = new google.maps.Map(document.getElementById("map_canvas"),
myOptions);
google.maps.event.addListener(map, 'click', function(event) {
placeMarker(event.latLng);
});
function placeMarker(location) {
var marker = new google.maps.Marker({
position: location,
map: map
animation: google.maps.Animation.DROP,
});
map.setCenter(location);
}
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas" style="1500px; 1000px"></div>
</body>
</html>

Every time placemarker() is ran, it creates a new marker.
You need to create the marker once outside of the placemarker function and after that, inside placemarker, use marker.setPosition().

Another solution is to move a marker, for that you just user marker.setPosition(). (thanks kjy112 for the warning :)
<html>
<style type="text/css">
#map_canvas {
height: 760px;
width: 1100px;
position: static;
top: 100px;
left: 200px;
}
</style>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
var marker;
function initialize() {
var latlng = new google.maps.LatLng(42.55308, 9.140625);
var myOptions = {
zoom: 2,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
streetViewControl: false,
mapTypeControl: false,
};
var map = new google.maps.Map(document.getElementById("map_canvas"),
myOptions);
google.maps.event.addListener(map, 'click', function(event) {
placeMarker(event.latLng);
});
function placeMarker(location) {
if (marker == undefined){
marker = new google.maps.Marker({
position: location,
map: map,
animation: google.maps.Animation.DROP,
});
}
else{
marker.setPosition(location);
}
map.setCenter(location);
}
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas" style="1500px; 1000px"></div>
</body>
</html>

To remove a marker just setMap(null) it.
<html>
<style type="text/css">
#map_canvas {
height: 760px;
width: 1100px;
position: static;
top: 100px;
left: 200px;
}
</style>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
var oldMarker;
function initialize() {
var latlng = new google.maps.LatLng(42.55308, 9.140625);
var myOptions = {
zoom: 2,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
streetViewControl: false,
mapTypeControl: false,
};
var map = new google.maps.Map(document.getElementById("map_canvas"),
myOptions);
google.maps.event.addListener(map, 'click', function(event) {
placeMarker(event.latLng);
});
function placeMarker(location) {
marker = new google.maps.Marker({
position: location,
map: map
animation: google.maps.Animation.DROP,
});
if (oldMarker != undefined){
oldMarker.setMap(null);
}
oldMarker = marker;
map.setCenter(location);
}
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas" style="1500px; 1000px"></div>
</body>
</html>

Related

Google map not showing without css part

i am working on demo code
<html>
<head>
<style>
#map {
height: 400px;
width: 100%;
}
</style>
</head>
<body>
<h3>My Google Maps Demo</h3>
<div id="map"></div>
<script src="js/index.js"></script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyC7CfuQy1peyVRH0y2ejWQfXVq3_JMi1xE&callback=initMap">
</script>
</body>
</html>
and js file
function initMap() {
alert("Inside initMap");
var uluru = {lat: -25.363, lng: 131.044};
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 4,
center: uluru
});
var marker = new google.maps.Marker({
position: uluru,
map: map
});
}
if i am removing (from html file)
<style>
#map {
height: 400px;
width: 100%;
}
</style>
then map is not showing but a error in console is coming (in image)
any body can please tell me how style or css can effect this
(with style tags)

Custom Google Map API V3 PEGMAN Button

I made custom zoom controls and want to add Pegman control with the same style as well. Is it possible?
Custom zoom controls are added as follows (from this questions answer):
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0; padding: 0 }
#map-canvas { height: 60%; width:60%; margin:20px auto; border:1px solid; padding-left:100px; }
</style>
<script type="text/javascript"
src="https://maps.googleapis.com/maps/api/js?key=YOUR-MAP_API-ID&sensor=false&region=AU">
</script>
<script type="text/javascript">
function HomeControl(controlDiv, map) {
google.maps.event.addDomListener(zoomout, 'click', function() {
var currentZoomLevel = map.getZoom();
if(currentZoomLevel != 0){
map.setZoom(currentZoomLevel - 1);}
});
google.maps.event.addDomListener(zoomin, 'click', function() {
var currentZoomLevel = map.getZoom();
if(currentZoomLevel != 21){
map.setZoom(currentZoomLevel + 1);}
});
}
var map;
var markersArray = [];
function initialize() {
var mapDiv = document.getElementById('map-canvas');
var myLatlng = new google.maps.LatLng(-33.90224, 151.20215);
var mapOptions = {
zoom: 15,
center: myLatlng,
Marker: true,
panControl: false,
zoomControl: false,
streetViewControl: false,
overviewMapControl: false,
mapTypeControl: false,
mapTypeControl: false,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(mapDiv, mapOptions);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title:"Hello World!"
});
// Create the DIV to hold the control and
// call the HomeControl() constructor passing
// in this DIV.
var homeControlDiv = document.createElement('div');
var homeControl = new HomeControl(homeControlDiv, map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
<div id="zoomout" style="border:1px solid; width:150px; heoght:50px; cursor:pointer; margin-bottom:20px;">ZOOM ME OUT</div>
<div id="zoomin" style="border:1px solid; width:150px; heoght:50px;cursor:pointer;">ZOOM ME IN</div>
</body>
</html>
Is it possible to add one more div element in the body with custom Pegman button, but it need to work exactly as it is working in default button (drag and drop yellow man to the map, Pegman is moving on hover etc) only the square button behind him will be another style.

When you only want to style the button, not the pegman, it's quite easy.
The button has the class gm-svpc , simply add your style.
function initialize() {
var map = new google.maps.Map(document.getElementById('map_canvas'), {
zoom: 14,
center: new google.maps.LatLng(52.5498783, 13.425209099999961),
mapTypeId: google.maps.MapTypeId.ROADMAP,
disableDefaultUI: true,
streetViewControl: true
});
}
google.maps.event.addDomListener(window, 'load', initialize);
html,
body,
#map_canvas {
margin: 0;
padding: 0;
height: 100%;
}
.gm-svpc {
background: tomato !important;
border: 2px solid firebrick;
border-radius: 20px !important;
}
<div id="map_canvas"></div>
<script src="https://maps.googleapis.com/maps/api/js?v=3"></script>

Google maps not loading properly

I will lead with the image:
This is what is returned when I create my google maps embed with the API.
My JS
var map;
function initMap(){
map = new google.maps.Map(document.getElementById('maphere'), {
center: {lat: -81.378373, lng: 28.536156},
zoom: 18
});
}
my HTML:
<div id="hideMapOverflow">
<div id="maphere" style="height:100%"></div>
</div>
And the CSS that goes with it:
#hideMapOverflow{
overflow:hidden;
height:500px;
width:100%;
}
#maphere{
height:100%;
}
The maps component seems to load, but the map itself isn't. Did I miss anything?

Your latitude and longitude are backwards.
var map;
function initMap() {
map = new google.maps.Map(document.getElementById('maphere'), {
center: {
lng: -81.378373,
lat: 28.536156
},
zoom: 18
});
}
google.maps.event.addDomListener(window, "load", initMap);
#hideMapOverflow {
overflow: hidden;
height: 500px;
width: 100%;
}
#maphere {
height: 100%;
}
<script src="https://maps.googleapis.com/maps/api/js"></script>
<div id="hideMapOverflow">
<div id="maphere" style="height:100%"></div>
</div>

Draggable Icon Not Showing on top of the Google Map and not Duplicating

How can I implement draggable icons markers using this Google Maps Example
So far I have the code below:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Places search box</title>
<style>
html, body, #map-canvas {
height: 93%;
width: 90%;
margin: 10px;
padding: 10px
}
#panel {
position: absolute;
top: 1%;
left: 25%;
z-index: 5;
background-color: #fff;
padding: 5px;
border: 1px solid #999;
}
#target {
width: 345px;
}
#shelf{position:absolute; top: 0px; left:980px; height:100%;width:30%; float: right; background:white;opacity:0.7;}
#draggable {position:absolute; top:10px; left:10px; width: 30px; height: 30px;z-index:1000000000;}
</style>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#draggable").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
});
</script>
<script type="text/javascript">
var $map;
var $latlng;
var overlay;
// This example adds a search box to a map, using the
// Google Places autocomplete feature. People can enter geographical searches.
// The search box will return a pick list containing
// a mix of places and predicted search terms.
function initialize() {
var markers = [];
var map = new google.maps.Map(document.getElementById('map-canvas'), {
mapTypeId: google.maps.MapTypeId.ROADMAP
});
var defaultBounds = new google.maps.LatLngBounds(
new google.maps.LatLng(37.3333, -121.9000),
new google.maps.LatLng(37.3333, -121.9000));
map.fitBounds(defaultBounds);
// Create the search box and link it to the UI element.
var input = document.getElementById('target');
var searchBox = new google.maps.places.SearchBox(input);
// [START region_getplaces]
// Listen for the event fired when the user selects an item from the
// pick list. Retrieve the matching places for that item.
google.maps.event.addListener(searchBox, 'places_changed', function() {
var places = searchBox.getPlaces();
for (var i = 0, marker; marker = markers[i]; i++) {
marker.setMap(null);
}
// For each place, get the icon, place name, and location.
markers = [];
var bounds = new google.maps.LatLngBounds();
for (var i = 0, place; place = places[i]; i++) {
var image = {
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(25, 25)
};
// Create a marker for each place.
var marker = new google.maps.Marker({
map: map,
icon: image,
title: place.name,
position: place.geometry.location
});
markers.push(marker);
bounds.extend(place.geometry.location);
}
map.fitBounds(bounds);
});
// [END region_getplaces]
// Bias the SearchBox results towards places that are within the bounds of the
// current map's viewport.
google.maps.event.addListener(map, 'bounds_changed', function() {
var bounds = map.getBounds();
searchBox.setBounds(bounds);
});
overlay = new google.maps.OverlayView();
overlay.draw = function() {};
overlay.setMap($map);
}
function placeMarker(location, icon) {
var marker = new google.maps.Marker({
position: location,
map: map,
draggable:true,
icon: icon
});
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="shelf">
<img src="https://cdn1.iconfinder.com/data/icons/lightly-icons/30/location.png" id="draggable" title="Estation Trash/Compost" alt="Estation Trash and Compost"/>
</div>
<div id="map-canvas"></div>
<div id="panel">
<input id="target" type="text" placeholder="Search Box">
</div>
</body>
</html>
If you load up the code, you will notice that the icon can be dragged only once. Also, when I try to drag the icon ONTO the map, the icon is dragged BEHIND the map and can not be seen. Any suggestions on what I am doing wrong? I have a feeling this piece of code is part of the problem...
function placeMarker(location, icon) {
var marker = new google.maps.Marker({
position: location,
map: map,
draggable:true,
icon: icon
});
}
Let me know.
NOTE: Below is the map that works with a draggable icon, BUT I want to implement this same method onto the search map that I have above. Thus, I am trying to combine the draggable function from the map below onto the search map above that I got from the Google Map Example
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>Demo Map</title>
<style type="text/css">
*{
margin: 0px;
padding: 0px;
}
html {
height: 100%
}
body {
height: 100%;
margin: 0px;
padding: 0px;
}
#map_canvas {
width: 70%;
height: 100%;
}
#shelf{position:absolute; top: 0px; left:980px; height:100%;width:30%; float: right; background:white;opacity:0.7;}
#draggable {position:absolute; top:10px; left:10px; width: 30px; height: 30px;z-index:1000000000;}
</style>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#draggable").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
});
</script>
<script type="text/javascript">
var $map;
var $latlng;
var overlay;
function initialize() {
var $latlng = new google.maps.LatLng(37.32758, -121.89246);
var myOptions = {
zoom: 19,
center: $latlng,
mapTypeId: google.maps.MapTypeId.SATELLITE,
mapTypeControlOptions: {
style: google.maps.MapTypeControlStyle.DROPDOWN_MENU,
position: google.maps.ControlPosition.TOP_LEFT },
zoomControl: true,
zoomControlOptions: {
style: google.maps.ZoomControlStyle.LARGE,
position: google.maps.ControlPosition.LEFT_TOP
},
scaleControl: true,
scaleControlOptions: {
position: google.maps.ControlPosition.TOP_LEFT
},
streetViewControl: false,
panControl:false,
};
$map = new google.maps.Map(document.getElementById("map_canvas"),
myOptions);
overlay = new google.maps.OverlayView();
overlay.draw = function() {};
overlay.setMap($map);
}
function placeMarker(location, icon) {
var marker = new google.maps.Marker({
position: location,
map: $map,
draggable:true,
icon: icon
});
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas"></div>
<div id='shelf'>
<img src="https://cdn1.iconfinder.com/data/icons/lightly-icons/30/location.png" id="draggable" title="Estation Trash/Compost" alt="Estation Trash and Compost"/>
</div>
</body>
</html>
I'm close but any ideas on what's wrong?

There are 2 tricks to avoid dragging behind the map. On the draggable item use these options:
helper: "clone",
appendTo: "body"
By appending to body, the cloned helper will be the newest item created, and will be on top of the map.

need the search box to not refresh the page so the function will load the marker

// html
<!DOCTYPE html>
<head>
<title>
</title>
<link rel="stylesheet" type="text/css" href="style2.css">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
// load google map
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js? key=&sensor=true">
</script>
<script type="text/javascript">
var myLatlng = new google.maps.LatLng(33.319914, 44.304771);
var marker = new google.maps.Marker({map: map, position:myLatlng, title:"Hello World!"});
var map = null;
function initialize()
{
var mapOptions =
{
center: new google.maps.LatLng(33.319914, 44.304771),
zoom: 12,
mapTypeId: google.maps.MapTypeId.ROADMAP,
disableDefaultUI: true,
};
var map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
// marker.setMap(map);
}
// second map with marker
function initialize2()
{
var mapOptions =
{
center: new google.maps.LatLng(33.319914, 44.304771),
zoom: 12,
mapTypeId: google.maps.MapTypeId.ROADMAP,
disableDefaultUI: true,
};
var map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
marker.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<head>
<body>
<div id="map-canvas"/>
</div>
// button works to load second map
<button onclick="initialize2()">Enter ID</button>
// form will load second map but refreshs page and goes back to first map without marker
<form name="searchbox">
<input type="text" class="searchbox" name="searchterm"/>
<input type="image" src="images/opacbox1.png" class="searchbox_submit" value="Search"" ONCLICK="Javascript:doSearch()" onsubmit="javascript:doSearch()" />
<script type="text/javascript">
function doSearch()
{
searchvalue = document.searchbox.searchterm.value
if (searchvalue == "1")
{
initialize2();
}
else
{
alert("no good");
}
}
</script>
</body>
</html>
// if there is a better way to load markers with the seachbox or button im all ears been trying all day
// css
body
{
}
#map-canvas
{
height: 500px;
width: 500px;
margin: 50px 50px 50px 50px;
}
#searchwrapper
{
width:310px;
height:40px;
background-image:url('images/searchbox6.png');
background-repeat:no-repeat;
padding:0px;
margin:0px;
position:relative;
}
#searchwrapper form
{
display: inline;
}
.searchbox
{
border:0px;
background-color:transparent;
position:absolute;
top:4px;
left:9px;
width:256px;
height:28px;
color: #fff;
}
.searchbox_submit
{
border:0px; /*important*/
background-color:transparent; /*important*/
position:absolute; /*important*/
top:4px;
left:265px;
width:32px;
height:28px;
}

stop the form from summiting, like this:
$('#upload').submit(function(e){
e.preventDefault();
...
});
Hope this helps :/

We Keep Coding

JavaScript is the programming language of the Web.

Google maps moving marker on click - javascript

Every time placemarker() is ran, it creates a new marker. You need to create the marker once outside of the placemarker function and after that, inside placemarker, use marker.setPosition().

Related

Google map not showing without css part

Custom Google Map API V3 PEGMAN Button

Google maps not loading properly

Draggable Icon Not Showing on top of the Google Map and not Duplicating

need the search box to not refresh the page so the function will load the marker

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