I am working with mapbox markers and I have created multiple markers as follows:
var cord = [{lng:,lat:},{lng:,lat:}]
function createMarker(){
for(var i = 0; i < cord.length; i++){
var marker = new mapboxgl.Marker({})
.setLngLat([cord[i].lng, cord[i].lat])
.addTo(map);
}
}
I wanted each marker to detect the click but I am unable to figure out how to do it?
Is it possible to detect click on each marker ?
You can add a click event handler like this:
marker.element.addEventListener('click', event => alert('click'));
Related
My function is supposed to display a marker over an existing icon (US Cities) when clicked/selected. The marker is an image file. Then when the user clicks on another icon, the previous marker should disappear.
It seems to work fine at first. The first marker is created when the icon is clicked. When the second icon is clicked, the marker is created and the original marker disappears. When a third icon is clicked, the marker does not appear. The console says "marker is not defined".
Here is my code:
map.on('click', 'usa_cities', function(highlightMarker) {
var markerCoordinates = highlightMarker.features[0].geometry.coordinates.slice();
var markerElement = document.createElement('div');
markerElement.id = 'marker';
// create the marker
new mapboxgl.Marker(markerElement)
.setLngLat(markerCoordinates)
.addTo(map);
map.on('click', 'usa_cities', function() {
marker.remove()
});
}),
Thank you
You don't need to create a new marker each time the user clicks. You can simply call marker.setLngLat(markerCoordinates).
Original-markerIcon = leaflet/images/marker-icon-2x.png
current-markerIcon = leaflet/images/map-marker.png
I have many markers and I want to change marker icon of the current clicked marker.If I click again on another marker change all marker Icon to original marker and current marker with current Icon.
I also have label attached with each marker.
When I click on current Icon I want to change also the label of that marker or remove the label.
How can I achieve this ?
thank you.
Image with marker visible with original-markerIcon
EDIT-1
L.Icon.Change = L.Icon.Default.extend({
options: {
iconUrl: 'leaflet/images/map-marker.png',
iconSize: new L.Point(150, 75),
}
});
var changeIcon = new L.Icon.Change();
L.Icon.Original = L.Icon.Default.extend({
options: {
iconUrl: 'leaflet/images/marker-icon-2x.png',
iconSize: new L.Point(45, 81),
}
});
var originalIcon = new L.Icon.Original();
marker.on('click',function(e){
for(var i = 0 ; i < $scope.markers.length ; i++){
$scope.markers[i].setIcon(originalIcon);
}
})
// marker click event to show the center pano
$scope.markers[index].on('click',function(e){
$scope.markers[index].setIcon(changeIcon);
});
If i am not mistaking there is a function named as "eachLayer" in map. I think when you create a marker, leaflet gives an automatic ID for that. So you have to give that ID in "eachLayer" function. And when it finds appropriate marker, there should be a function "popupclose". To add it will be better if you show your code...!
I'm new to Leaflet and having fun with it so far. I have an interactive map with 170 or so markers around the world. Each marker has a title in the popup. I'd also like to add a "zoom to" link inside of the popup. When the user clicks zoom to, I would like the map to center on the marker and zoom in to a certain zoom level (see image)
The markers are being generated in PHP as a marker array with the title, and lat/longs, and injected into a javascript var called "items."
for (var i = 0; i < items.length; i++) {
marker = new L.marker([items[i][1],items[i][2]])
.bindPopup(items[i][0])
.addTo(map);
}
Keep your markers in an associative array (index must be unique).
Put put a link in your popup text to call a function passing this index as argument.
In your javascript function use panTo or flyTo
Here is some pseudo code:
var markersById = {};
for (var i = 0; i < items.length; i++) {
marker = new L.marker([items[i][1],items[i][2]])
.bindPopup('Center on map')
.addTo(map);
markersById[i] = marker;
}
function centerMapOnPost(markerId) {
map.panTo(markersById[markerId].getLatLng());
}
I have a map of bing maps and I use has created pushpin do with double click. And now I want to make limits pushpin only <= 20.
If it has been over the limit point is then automatically pushpin cannot be displayed. Although double click in map.
But I don't understand how to create it. Can you help me? Thanks a lot. Gbu.
My code to show pushpin
map = new Microsoft.Maps.Map(document.getElementById("mapDiv"), mapOptions);
Microsoft.Maps.Events.addHandler(map, 'dblclick',getLatlng );
}
//show pushpin
function getLatlng(e) {
if (e.targetType == "map")
{
var point = new Microsoft.Maps.Point(e.getX(), e.getY());
var locTemp = e.target.tryPixelToLocation(point);
var location = new Microsoft.Maps.Location(locTemp.latitude, locTemp.longitude);
alert(locTemp.latitude + "&" + locTemp.longitude);
var pin = new Microsoft.Maps.Pushpin(location, { 'draggable': false });
map.entities.push(pin);
alert("Done");
Microsoft.Maps.event.addListener(map, 'click', function (event)
{
}
// limit pushpin
*How to create limit pushpin?*
In the getlatlng function you can do a simple check to see how many shapes are on the map. You can get the number of shapes on the map in your application by doing the following:
var cnt = map.entities.getLength();
I've an issue with the leaflet openPopup method.
showMap = function(elements) {
var jsonp = 'http://a.tiles.mapbox.com/v3/blahblahblah.jsonp';
var m = new L.Map("my_map").setView(new L.LatLng(51.5, -0.09), 15);
var geojsonLayer = new L.GeoJSON();
var PlaceIcon = L.Icon.extend({
iconSize: new L.Point(25, 41),
shadowSize: new L.Point(40, 35),
popupAnchor: new L.Point(0, -30)
});
var icon = new PlaceIcon(__HOME__ + '/images/leaflet/marker.png');
var marker;
for (var i = 0; i < elements.length; i++) {
var address = $("<div/>").html(elements[i].address).text();
var latlng = new L.LatLng(elements[i].latitude, elements[i].longitude);
marker = new L.Marker(latlng, {icon: icon}).bindPopup(address);
if (i == 0) {
marker.openPopup();
}
m.addLayer(geojsonLayer).addLayer(marker);
}
// Get metadata about the map from MapBox
wax.tilejson(jsonp, function(tilejson) {
m.addLayer(new wax.leaf.connector(tilejson));
});
}
When I click on a marker I have the popup open. But I would like to have the first popup open when the map is loaded. (and open other popups on markers click)
AnNy ideas ?
Put openPopup call after you add the marker to the map and you should be fine.
I'm assuming that when you click on a marker you see the popup but you're not getting the popup of the first marker to show automatically when the map is loaded?
First, it doesn't look like you're actually using GeoJSON so a GeoJSON layer isn't necessary (you can just use a FeatureLayer) but that shouldn't cause any issues. Whatever layer group you use you should only be adding it to the map once and then adding all child layers to the LayerGroup. You're currently adding the geojsonLayer multiple times in your "for" loop which you don't want to do.
Second, you have to call marker.openPopup() after the marker is added to the map.
Try changing your code around to looks something like this:
var layerGroup = new L.FeatureGroup();
layerGroup.addTo( m );
for (var i = 0; i < elements.length; i++) {
var address = $("<div/>").html(elements[i].address).text();
var latlng = new L.LatLng(elements[i].latitude, elements[i].longitude);
marker = new L.Marker(latlng, {icon: icon}).bindPopup(address);
//You don't add the marker directly to the map. The layerGroup has already
//been added to the map so it will take care of adding the marker to the map
layerGroup.addLayer( marker );
if (i == 0) {
marker.openPopup();
}
}
I had this issue and fixed it with adding a timeout right after I added the marker on the map.
marker.addTo(this.map).bindPopup('Info');
setTimeout(() => {
marker.openPopup();
}, 500);
I don't know why but on some page, I need to apply timeout. In any case it's my workaround, hope this works for some of you too.
First add your map then put openPopup():
L.marker([lat, long]).bindPopup('Your message').addTo(map).openPopup();