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marking-on-map.html
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marking-on-map.html
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<!DOCTYPE html>
<html>
<head>
<title>Simple Map</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBOIIADyCTwYHKJsjDlF_uTCXjYDc3IYRc&libraries=places"
></script>
</head>
<body>
<div id="map"></div>
<script>
var map,lat,lng;
var newMarker;
var markers = [];
var pointA,pointB;
function initMap(lat,lng) {
map = new google.maps.Map(document.getElementById('map'), {
center: {lat, lng},
zoom: 8
});
//pointA = new google.maps.LatLng(lat, lng);
pointA = new google.maps.LatLng(lat,lng)
console.log(pointA,'pointA')
//create marker
var marker = new google.maps.Marker({
position: {lat, lng},
map: map,
//icon: 'file:///C:/Users/Manjunath/AppData/Local/Temp/Temp1_map-icons-master.zip/map-icons-master/src/icons/cafe.svg'
})
markers.push(marker);
var infoWindow = new google.maps.InfoWindow({
content: 'Starbucks Cafe'
});
google.maps.event.addListener(marker,'click',function(){
infoWindow.open(map, marker);
})
google.maps.event.addListener(map,'rightclick', function(e) {
placeMarkerAndPanTo(e.latLng, map);
var newRequest ={
location: e.latLng,
radius: 8047,
query: 'Starbucks'
};
//generate nearby places
//placesService(map,newRequest)
});
//function placeMarkerAndPanTo
function placeMarkerAndPanTo(latLng,map){
clearMarker(markers);
newMarker = new google.maps.Marker({
position: latLng,
map
});
map.panTo(latLng);
markers.push(newMarker);
}
}
//function for placesService obejct
function placesService(map,newRequest){
var service = new google.maps.places.PlacesService(map);
service.textSearch(newRequest,callback);
}
//callback function from the placesService
function callback(results,status){
if(status == google.maps.places.PlacesServiceStatus.OK){
if(results.length != 0){
results.forEach((result) =>{
markers.push(createMarker(result));
})
}else{
errorHandle.innerHTML = 'Oops! We could not find anything with that! Try with better words'
}
}
}
//dierction services
function displayRoute() {
var start = pointA;
var end = pointB;
var directionsDisplay = new google.maps.DirectionsRenderer();// also, constructor can get "DirectionsRendererOptions" object
directionsDisplay.setMap(map); // map should be already initialized.
var request = {
origin : start,
destination : end,
travelMode : google.maps.TravelMode.DRIVING
};
var directionsService = new google.maps.DirectionsService();
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
//create marker function
function createMarker(place,callback2){
console.log(place);
var marker = new google.maps.Marker({
position: place.geometry.location,
map: map,
//icon: 'file:///C:/Users/Manjunath/AppData/Local/Temp/Temp1_map-icons-master.zip/map-icons-master/src/icons/cafe.svg',
});
pointB = new google.maps.LatLng(position.lat, position.lng);
console.log(pointB,'b');
//pushing this marker to the markers array
markers.push(marker);
//create infowindow and event listener
var infoWindow = new google.maps.InfoWindow({
content: `<b>${place.name}}</b>`
});
google.maps.event.addListener(marker,'click',function(){
infoWindow.open(map, marker);
})
console.log(markers);
}
//clear Marker
function clearMarker(markers){
markers.forEach((marker) =>{
marker.setMap(null);
});
markers.length = 0;
}
function getLocation(){
if(navigator.geolocation){
navigator.geolocation.getCurrentPosition(success);//success is a callback function that gets called upon success that takes an object as input
}
else{
console.log('Sorry, geolocation is not supported in your bworser');
}
};
//callback function that generates a postion object and determines the location's lat and lng
function success(position){
console.log('2. generated coordinates','lat',lat);
lat = position.coords.latitude;
console.log('3. generated coordinates','lat',lat);
lng = position.coords.longitude;
initMap(lat,lng);
}
//invoking the get location function
getLocation();
displayRoute();
</script>
</body>
</html>