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Questions tagged [leaflet]

An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps

2
votes
2answers
2k views

Leaflet, defining a specific region for a canvas to draw upon

Using leaflet, you can draw on a given map by adding a Canvas layer. Some instructions are given here, http://leaflet.cloudmade.com/reference.html#tilelayer-canvas var canvasTiles = new L.TileLayer....
16
votes
1answer
35k views

How to change Leaflet Map panes layering order (z-index)?

Leaflet maintains that the Map panes elements contain all layers added to the map. The difference between many of the Map panes is strictly the z-index order of layering. I would like to use a ...
3
votes
1answer
1k views

How to save a Leaflet or OpenLayers map for opening later?

Can a webmap state be saved to a text file or something for restoring later? Like if I set up a map with a particular zoom and choose my layers and draw a polygon or two, can it be saved to a file and ...
6
votes
1answer
1k views

What server and API to use for displaying complex polygons with dynamic symbology?

Background I need to interface a map into an existing website which allows the user to query a database and which currently results in a table listing population statistics per county. For example, ...
8
votes
3answers
16k views

Creating a Bing and Google Tile Layer for Leaflet

I want to use the Leaflet Javascript Library to display both a Google and Bing Tile Layer, though I'm unsure how to construct the url. The documentation shows an example using OSM: var cloudmadeUrl = ...
13
votes
2answers
4k views

How can I make a polyline wrap around the world?

I am using leaflet maps to create a representation of a round-the-world challenge. I would like to add a polyline which heads east from tokyo and then appears west of south america on the map - but ...
19
votes
6answers
18k views

How to Create Animated Cluster Markers in OpenLayers/Leaflet?

I want to use Leaflet due to the smooth transitions which Openlayers seems like they can't match. I specifically require the ability to cluster markers with custom styled marker groups. The best ...
59
votes
7answers
12k views

Creating Vector Polygons with rendering performance like GISCloud?

I have been looking for a solid solution which would allow me to create a web map and overlay vector polygons without taking forever to load such data with the goal of allowing me to make each polygon ...
14
votes
4answers
7k views

Open source alternatives to Google's StreetView engine?

I am looking to create an open source javascript app using either Leaflet or OpenLayers. Is there any way to implement panoramic views (similar to Google's StreetView) into either of these, or any ...
12
votes
3answers
12k views

How to get Leaflet interactivity from Geoserver WMS?

I have geoserver serving shapefiles as a WMS into Leaflet. I'd like to add interativity that shows a popup with WMS attributes in the Leaflet map when the user hovers over or clicks on a WMS feature. ...
40
votes
13answers
31k views

Converting ArcGIS Server JSON to GeoJSON?

I'm creating a web map using Leaflet, and I want to be able to grab feature layers from our ArcServer. I have successfully been able to retrieve a feature class as JSON, but Esri's JSON objects don't ...