12
votes
Accepted
How to add layers and update layer control dynamically : leaflet
There are public methods in L.Control.Layers control to add base layers and overlays dinamically (see full reference):
addBaseLayer(layer, name) to add new base layer
addOverlay(layer, name) to add ...
7
votes
Is esri-leaflet officially an Esri project on github?
Yes. more generically, anything found at https://github.com/Esri can be considered an 'official' project because the url references our 'Organization' (in Github's parlance).
https://help.github.com/...
- 5,053
6
votes
Accepted
How to iterate through the attributes of a feature in Leaflet?
If my understanding is correct, you want to read all properties of the given event layer, without knowing in advance which properties are set and available?
In that case, this is a simple JavaScript ...
- 6,853
5
votes
Accepted
Displaying ESRI REST services in MapBox?
You can almost certainly replace the mapbox.js library with leaflet.js. And I'd be surprised if the esri-leaflet library doesn't just work with the MapBox version of leaflet.
I've got an old trivial ...
- 13.1k
4
votes
Accepted
Can I use esri-leaflet together with arcgis api?
esri leaflet is an alternative to the ArcGIS API for JavaScript, not something that makes much sense to try and combine.
L.esri.DynamicMapLayer provides comparable functionality (within Leaflet) for ...
- 5,053
4
votes
Is esri-leaflet officially an Esri project on github?
It's official: http://blogs.esri.com/esri/arcgis/2013/07/31/new-esri-open-source-javascript-projects-leaflet-geoservices-js-terraformer-pushlet/
And make sure you spell it Esri... ESRI is so 2009...
4
votes
L.esri.featureLayer shows up and sometimes not
I think this is an issue with CORS. The layer you are trying to use is on an older version of server (10.0x) which mean that it does not ship with support for cross origin requests (CORS) out of the ...
- 141
4
votes
Accepted
Leaflet zoom to polygon
It should be quite easy by using the onEachFeature option of the L.esri.featureLayer, combined with shapes getBounds() and map fitBounds().
HTML:
<div id="map"></div>
<p>List of ...
- 6,853
4
votes
Accepted
Esri leaflet plugin only showing North America tile?
Leaflet includes information about the WGS84 coordinate system generally, but you'll still need to provide information about the origin and levels of detail of your own cached service in order for it ...
- 5,053
4
votes
Accepted
Esri Leaflet identify() only on added layer from MapService
By default L.esri.IdentifyFeatures queries all the layers in the map service.
https://github.com/Esri/esri-leaflet/blob/v2.2.3/src/Tasks/IdentifyFeatures.js#L20
From the looks of your codepen, it ...
- 5,053
4
votes
Accepted
Leaflet event onclick zoom in and out (JavaScript)
Assuming your map variable is called map, this zooms in when you click the map:
map.on('click', function() {
map.zoomIn();
});
If you're asking to fire an event when zooming happens, then use:
...
- 6,249
3
votes
Accepted
Can we set the latlng start point : leaflet
First, read the source code for L.CRS.Simple, particularly, this line:
transformation: toTransformation(1, 0, -1, 0),
That is a factory method to instantiate an affine transformation from L....
- 9,380
3
votes
Leaflet: click feature to get external diagram
if you are using Esri's plugins for Leaflet you already have an event listener to utilize and the feature's attributes are already available via the GeoJSON properties.
yourLayer = L.esri....
- 5,053
3
votes
Accepted
Change point symbol in mapbox.js/leaflet/esri-leaflet.js
in order to style the markers that L.esri.featureLayer helps you add to the map, you can use L.icon.
see this leaflet tutorial and this example for more info.
- 5,053
3
votes
Problem loading specific WMS with leaflet
I have no problems loading that WMS service, see live example here.
var wms = L.tileLayer.wms('https://glfc72.cfsnet.nfis.org/mapserver/cgi-bin/mapserver.cgi?', {
map: '/data/htdocs/glfc.cfsnet....
- 9,380
3
votes
Show an esri leaflet feature's popup by default
featureLayer.bindPopup() isn't triggered until users interact with an individual graphic. if you want a popup to be created and opened immediately, you can do it yourself using the opportunity ...
- 5,053
3
votes
Accepted
Leaflet access dynamic layers globally
Just keep their names in an array in the window object, such as:
window.dynamicLayerNames = [];
let url = "https://sampleserver6.arcgisonline.com/arcgis/rest/services/Energy/Infrastructure/MapServer";...
- 363
3
votes
Selecting all objects with specific value from GeoJSON in new variable
This is probably more of a question for stackoverflow directly, however if you are able to use ES6, you could use something like this:
const filteredFeatures = kitespots.features.filter(item => {
...
- 862
2
votes
How to re-implement a Dojo application using Leaflet?
i wrote a quick example of loading dojo and leaflet in the same application here
that being said, if you are committed to using dojo, it probably makes more sense to maintain a mapping application ...
- 5,053
2
votes
Accepted
Leaflet & Esri-Leaflet: JSON objects not drawing correctly when using 'fields' filter
a couple things here...
that constructor option expects an array
at a minimum, you have to include the OBJECTID field in that array in order for everything to work on the clientside as it should.
{ ...
- 5,053
2
votes
Esri leaflet functionality
The Esri Leaflet plugin does not provide this capability directly.
However, it already does the heavy lifting of converting Esri Geoservices JSON into GeoJSON for clientside display.
This means that ...
- 5,053
2
votes
Projecting ArcGIS Tiled Service for Esri-Leaflet?
There could be something else going on here as well, but its a problem that the service you are attempting to display has 512 pixel tiles (instead of 256).
Proj4Leaflet has a constructor option for L....
- 5,053
2
votes
Accepted
Changing marker size by zoom in Leaflet?
you can add a zoom listener to your map to change the icons at different zoom levels. Here is a simplified example. You can change the conditions and icons to fit your project:
<html>
<head&...
- 6,738
2
votes
Accepted
Leaflet: click feature to get external diagram
You can take the feature attributes and hand them over to the charting library.
If you don't need to change a lot at the chart-design you can also just use C3.js which makes it easyer to start ;)
...
- 6,350
2
votes
Accepted
dynamicMapLayer esri-leaflet does not return properties of point data
your sample is working fine for me. if you're having trouble clicking on point features, consider calling tolerance() and passing in a number of screen pixels greater than the default value of 3.
...
- 5,053
2
votes
proj4leaflet with esri-leaflet 1.0.4
You forgot to include the most important part of the message!
L.esri.TiledMapLayer is using a non-mercator spatial reference. Support may be available through Proj4Leaflet
this isn't a complaint, ...
- 5,053
2
votes
Accepted
Adding button to move map Direction in Leaflet?
You can start here: Leaflet.Pancontrol. Check the code repository and download code to your plugins folder inside leaflet folder. Then in code just reference to the js file/files.
- 739
2
votes
Accepted
Leaflet popup does not work with esri rest feature services
This is happening because the points are being drawn below the polygon graphics.
The example below demonstrates how to use Leaflet panes to get control over draw order and make sure the points are ...
- 5,053
2
votes
Correct way to determine the type of Leaflet layer?
This isn't really a Leaflet issue, but a general one with Javascript.
And it specifically concerns when you want the objects's name. For comparisons, there are plenty of ways to do it safely (as in ...
- 1,709
2
votes
Accepted
Leaflet error: h.fn is undefined when using layer.on('loading') event
you can (and should) skip including the parentheses when you wire up your event listener to a named function.
layer.on('loading' , cursorWait); // not cursorWait()
it appears also when I zoom in ...
- 5,053
Only top scored, non community-wiki answers of a minimum length are eligible