I'm using the Mapbox directions API and leaflet to create an interactive map.
When invoking the directions functionality, everything works great and Mapbox sets a marker for my origin and destination.
By default, it uses a generic marker with A and B respectively. I can't find any documentation on configuring the marker it uses, does anyone have any insights, examples, or suggestions?
Thank you!
The documentation seems to focus on featureLayers to make custom pin. I found that markers with custom icon do the job better.
Here is the way I do it:
blueIcon = new L.icon({
iconUrl: '/img/Bo6.png',
iconSize: [75, 75], // size of the icon
popupAnchor: [300, -125]
});
movingMarker = new L.marker([51.5, -54.11],
{
"title": "Felix in Space",
"description": "1718 14th St NW, Washington, DC",
className: "event-popup-box",
icon: blueIcon
});
movingMarker.addTo(themap);
Related
I'm trying to plot a supplied vector tile layer onto a map using MapBox GL JS. I've followed the documentation here but nothing apart from the basic map is being output and there are no console errors. In the browser's Network tab I can see lots of .pbf requests being returned with data so it would seem that the endpoint is passing data back, but I don't know how to determine what the problem is in plotting that data onto the map.
The code is as follows:
mapboxgl.accessToken = '[my access token]';
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v10',
zoom: 6,
center: [-0.118092, 51.509865]
});
map.once("load", () => {
map.addSource("ncn", {
type: "vector",
tiles: [
"https://tiles.arcgis.com/tiles/1ZHcUS1lwPTg4ms0/arcgis/rest/services/NCN_Vector_Tile_Package/VectorTileServer/tile/{z}/{y}/{x}.pbf"
]
});
map.addLayer({
id: "ncn-lines",
type: "line",
source: "ncn",
"source-layer": "NCN_Vector_Tile_Package",
"layout": {
"visibility": "visible"
},
'paint': {
'line-color': 'rgb(255, 0, 0)'
}
});
});
I am fairly sure that the type should be line (rather than fill) as the data is supposed to contain route lines rather than vector shapes.
I don't have access to the Arcgis server so can't see how anything is configured at that side. Can anyone suggest what might be wrong here and/or how to debug?
It looks like the value for source-layer is not correct - it should be NCN_2020. Here's a demo showing it working: https://jsbin.com/xunuhibuki/1/edit?html,output
How do you get that value? I'm not quite sure the best way, but the way I found: add ?f=html to your vector tile layer like this: https://tiles.arcgis.com/tiles/1ZHcUS1lwPTg4ms0/arcgis/rest/services/NCN_Vector_Tile_Package/VectorTileServer/?f=html then click "Styles" link at the bottom which gives you an example of how to construct your map.addLayer() commands in your mapboxgl code.
Just a quick question, if anyone has ever replaced the Mapbox default marker with a Maki icon. I've only seen examples of using Maki icons for point tilesets/layers, but I'm wanting to use it for non-tileset features, specifically replacing the marker that adds after geocoding, at the location of the address just geocoded.
Or, trying to find something that is similar to Google Maps symbols below. Any suggestions appreciated.
var pinImage = {
path: google.maps.SymbolPath.CIRCLE,
fillColor: '#ff4b00',
fillOpacity: .9,
scale: 5,
strokeColor: '#CDDC39',
strokeWeight: 0,
strokeOpacity: .5
}
The MapboxGeocoder control has a marker option https://github.com/mapbox/mapbox-gl-geocoder/blob/master/API.md#parameters which controls the marker placed on the map when you select a result.
There is an example at https://docs.mapbox.com/mapbox-gl-js/example/custom-marker-icons/ to create a Marker with a custom icon.
So you could create an HTML Element which contains either an SVG or PNG icon from Maki and use that as your element in your custom Marker passed to the MapboxGeocoder control.
I think this sample is what you are looking for Use a custom render function with a geocoder
It allows you to add a custom render function including the icon...
var geocoder = new MapboxGeocoder({
accessToken: mapboxgl.accessToken,
types: 'poi',
// see https://docs.mapbox.com/api/search/#geocoding-response-object for information about the schema of each response feature
render: function(item) {
// extract the item's maki icon or use a default
var maki = item.properties.maki || 'marker';
return (
"<div class='geocoder-dropdown-item'><img class='geocoder-dropdown-icon' src='https://unpkg.com/#mapbox/maki#6.1.0/icons/" +
maki +
"-15.svg'><span class='geocoder-dropdown-text'>" +
item.text +
'</span></div>'
);
},
mapboxgl: mapboxgl
});
map.addControl(geocoder);
I have the following geojson of points, which are going to be buses on the map:
const features = buses.map((el) => ({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: el.state.position.coordinates.map((coordinate) => +coordinate),
},
properties: {
reg_number: el.reg_number,
object_id: el.object_id,
route: el.route,
fuel: +el.state.fuel,
speed: +el.state.speed,
},
}));
return features;
}
and it's layer is as follows:
id: 'Point-data',
type: 'circle',
paint: {
'circle-color': {
property: 'percentile',
stops: [
[10, "#ff0000"],
[20, '#ff3300'],
[30, "#ff6600"],
[40, "#ff9100"],
[50, '#ffd000'],
[60, '#bbff00'],
[70, '#b3ff00'],
[80, '#91ff00'],
[90, '#7bff00'],
[100, '#1eff00']
],
},
'circle-radius': 7,
},
};
instead of 'circle' i want to use 'symbol' type and set an icon. As far as i know, it needs a name from map style sprite icon collection. I don't need to make a custom sprite right now, i think i will be satisfied with default bus icon, which dark mapbox map for sure has in sprite, but i don't know how to find it. Where can i see the list of icons and their names of sprite? and the png and json files it consist of.example of sprite from Uber Open Source
For the others i would like to share the solution i found by myself:
i created a map in https://studio.mapbox.com and then followed documentation: https://docs.mapbox.com/api/maps/#sprites
Particulary this:
curl "https://api.mapbox.com/styles/v1/{username}/{style_id(take it from the url of the map u created)}/sprite.{format(png or json)}?access_token={your mapbox access token}
There i found bus icon. I made a symbol layer, where i put the name of the icon in the 'icon-image'. I hope it will help smb.
When I add a marker to my mapbox gl script, it's positionned in a way that its center indicates the location, not the base. As a consquence, the marker seems to indicate an incorrect location.
Please see the screenshot
Is there a way to change the part of the image that is used as the base for the coordinates?
Thanks in advance!
Oktawia
Use the icon-offset layout property to offset the icon from your coordinates
map.addLayer({
"id": "pointclick",
type: 'symbol',
source: 'pointclick',
"layout": {
"icon-image": "{marker-symbol}",
"icon-size":1,
"icon-offset": [0, -13]
},
"paint": {}
});
I am working with the application which uses leaflet api.
Introduction
I needed to draw different types of fences, using decorators i can somewhat apply good visuals to the polylines but not much.
Problem
I was willing to show twisted wires instead of dashes, dots or plain lines and I know the twisted wire line will be an image but can't find help about applying custom css to polylines.
Script Example
var fence2Icon = L.icon({
iconUrl: 'xxxx.png',
iconSize: [5, 20]
iconAnchor: [5, 18]
});
// Add coordinate to the polyline
var polylineFence2 = new L.Polyline([], { color: 'red' });
function fencePlace2(e) {
// New marker on coordinate, add it to the map
new L.Marker(e.latlng, { icon: fence2Icon, draggable: false }).addTo(curr);
// Add coordinate to the polyline
polylineFence2.addLatLng(e.latlng).addTo(curr);
var decorator = L.polylineDecorator(polylineFence2, {
patterns:[{offset:5,repeat:'20px',symbol:new L.Symbol.Dash({pixelSize:5})
}]
}).addTo(curr);
}
L.easyButton('fa-flash', function () {
$('.leaflet-container').css('cursor', 'crosshair');
map.on('click', fencePlace2);
polylineFence2 = new L.Polyline([], { color: 'red' });
}).addTo(map);
If someone know anything about polyline or another way please do help.
Thanks for your time:-)
You can add a class in the options of your polyline ...
var polyline = L.polyline(latlngs, { className: 'my_polyline' }).addTo(map);
and add your own settings in the CSS ...
.my_polyline {
stroke: green;
fill: none;
stroke-dasharray: 10,10;
stroke-width: 5;
}
Here is an example: http://jsfiddle.net/FranceImage/9dggfhnc/
You can also access some options directly ...
var polyline = L.polyline(latlngs, { dashArray: '10,10' }).addTo(map);
See Path Options
If you create a polyline you're in fact adding an element to the SVG element which Leaflet uses to draw it's overlays. Styling SVG path elements is different from styling regular HTML elements. There's no such thing as border and background-color etc. It has different properties, if you're interested here's a nice read on the matter:
https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Fills_and_Strokes
You can style Leaflet's path elements when you instanciate them via options or via CSS using the properties (related to styling) described in the documentation here:
http://leafletjs.com/reference.html#path
Via options:
new L.Polyline([...], {
weight: 3,
color: 'red',
opacity: 0.5
}).addTo(map);
Via CSS:
new L.Polyline([...], {
className: 'polyline'
}).addTo(map);
.polyline {
weight: 3,
color: red,
opacity: 0.5
}
However, what you want, using an image simply isn't possible. You can use images as fill for SVG paths, but it would be impossible for your usecase. You'de need to add a pattern definition to the SVG Leaflet is using and then you could use that id as the fill property as outlined in this answer:
https://stackoverflow.com/a/3798797/2019281 but will always fill/tile the image horizontally which won't work if your polyline is vertical.