Questions tagged [leaflet]

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

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1 vote
0 answers
463 views

How to access arcgis cache directly using leaflet like openlayers?

I want to access arcgis server cache dircetly by only using leaflet,I wrote some code,but it work badly,could you anyone give me any hints? my code: getTileUrl: function (tilePoint) { var zoom = ...
117 votes
8 answers
93k views

Choosing OpenLayers or Leaflet? [closed]

I was debating with one of my collegues on OpenLayers v/s Leaflet. I made a point that OpenLayers is much better API if we wish to build a project, where you need direct connectivity to the Geoserver ...
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2 votes
2 answers
11k views

How do I overlay a KML on leaflet 0.4.4

I am using Leaflet 0.4.4, I have a KML I would like to overlay on the map, how do I go about doing this? Edit: I am already aware of https://github.com/CloudMade/Leaflet/issues/14, which directs ...
5 votes
1 answer
6k views

Adding GeoJSON layer Leaflet map?

I am new to leaflet & its geojson features. I am trying to test leaflet's functionalities and have built a map and its layer: var map = new L.map('map', {scrollWheelZoom:true, doubleClickZoom:...
  • 223
2 votes
1 answer
3k views

LEAFLET - store and retrieve user markers & diagrams from database

I am intending to use leaflet in order to build a "microscope laboratory" for my institute's medical school. I am quite new to javascript, ajax and json technologies so I would like to have some ...
  • 223
4 votes
2 answers
8k views

Plotting multiple markers on Leaflet map

If I have a object containing lats and longs how can i plot them in Leaflet using the marker constructor I tried looping through them for(key in obj){ var val = obj[key]; var ...
  • 303
11 votes
1 answer
4k views

What is the difference between Leaflet and Mapbox?

What is the difference between Leaflet and Mapbox, and how are they used together? Like the API and what exactly are they and is Mapbox using Leaflet?
  • 303
6 votes
1 answer
12k views

How to open popup on mouseover in Leaflet? [duplicate]

Possible Duplicate: How to show a popup on mouse-over, not on click? I'm working with Leaflet library. I defined L.layerGroup and add some markers to the group. Can somebody help me with ...
  • 4,964
1 vote
1 answer
797 views

Does Leaflet always work in decimal degrees?

I'm looking into Leaflet and I'm surprised that it doesn't (seem to) specify coordinates in Web Mercator like other popular APIs, but instead uses decimal degrees. Are all coordinates in Leaflet ...
  • 20.8k
0 votes
1 answer
2k views

Is it possible to show markers from MySQL database with Javascript?

I'm interested if it's possible to show markers (latit, longit) from MySQL database with Javascript libraries like Leaflet?
  • 4,964
2 votes
1 answer
5k views

How to change icons for Leaflet markers when using cluster plugin?

I'm using Leaflet MarkerCluster. I created a MarkerClusterGroup as markers1 as you can see. There's about a hundred points I have written like var addressPoints in this format: var addressPoints = ...
  • 4,964
48 votes
5 answers
156k views

Showing popup on mouse-over, not on click using Leaflet?

Is it possible in Leaflet that popup opens on mouse-over, not on click? This is working for just one marker at a time, but I need it for a bigger number of markers: marker.on('mouseover', function(e)...
  • 4,964
10 votes
1 answer
17k views

How to insert new line text in popup

I'm using Leaflet Marker Cluster and I need to show five different lines in a popup. But when I write this, they are all in the same line. Can someone help me to be one under another? var a = ...
  • 4,964
5 votes
1 answer
8k views

Leaflet marker cluster and popups

I want to develop a map with Leaflet marker cluster. You can see how it looks like here: https://github.com/danzel/Leaflet.markercluster But I need that my markers have popups with more information ...
  • 4,964
1 vote
2 answers
651 views

What are some good examples of geospatial UI's [closed]

I am interested in understanding and applying practical geo-spatial examples for some of the transportation data that I have. I have several geocodes that I will pull from the database, and display in ...
2 votes
2 answers
15k views

Styling Leaflet Maps

Is there anyway to style base maps using Leaflet? I know there are quite a few options for loading different pre-made styles (such as Stamen, Mapbox, etc...), but I am looking for a way to create my ...
  • 1,162
13 votes
2 answers
6k views

Examples of leaflet interactive mapping applications [closed]

I would like to develop a simple mapping application. One where users can digitize lines, polygons and points and attribute the features. The attributes will then be stored in a database for later ...
4 votes
2 answers
6k views

Animated lines and line styles in Javascript

I'm using Leaflet library and Mapbox. I need to create animated line from one city to another, slow motion "travelling" from one point to another point. Is that possible in javascript and how? I can ...
  • 4,964
30 votes
5 answers
110k views

Drawing polyline in Leaflet?

This is my coding I used in Leaflet: var pointA = new L.LatLng(28.635308, 77.22496); var pointB = new L.LatLng(28.984461, 77.70641); var pointList = [pointA, pointB]; var ...
  • 4,964
1 vote
0 answers
861 views

Leaflet Layers Control - Z-Index? [duplicate]

Possible Duplicate: How to change Leaflet Map panes layering order (z-index)? In the Leaflet Layers Control L.Control.Layers() described here, is there a way to control the z-index (layer order) ...
  • 155
3 votes
0 answers
730 views

How do I pass a LatLng Bounds from Leaflet to Mapfish Print?

I successfully fired up a MapFish print server on Elastic Beanstalk, and it prints out the sample spec files fine, but I'm trying to pass bounds from my Leaflet frontend now, and encountering a lot of ...
  • 131
6 votes
1 answer
1k views

Working examples of Leaflet/Polymaps with GeoJSON tiles generated from Tilestache using Shapefiles?

I'm looking to create choropleths using GeoJSON tiles generated from ESRI Shapefiles by TileStache(or similar), in either Leaflet or Polymaps. So far reading and drawing GeoJSON from both Leaflet and ...
  • 161
3 votes
0 answers
2k views

Overlaying a mbtiles tile layer produced with tilemill over another layer maintaining transperency

So using leaflet, I'm overlaying my base tile layer as google satellite imagery. I want to overlay another layer (Mbtiles layer) produced with tilemill over this satellite layer. I was successful in ...
  • 639
4 votes
1 answer
13k views

How do I get GeoJSON data from GeoServer into show up on my Leaflet map?

I'm trying to create a simple "Green" map for my city. The idea being that it is a website with a map and layers you can turn on and off. I am serving the data through GeoServer and am using GeoJOSN ...
  • 298
4 votes
3 answers
2k views

How to pull lat/lng from a map canvas and update a database

So if i want to pull out lat/lngs after user clicks on a map canvas (lat/lngs are pulled using any javascript API (leaflet, wax etc.) and add this to a postgresql database using a query, how do i do ...
  • 639
8 votes
1 answer
3k views

How to configure custom scale in Leaflet?

I have a custom WMS tileset generated using ESRI ArcGIS Server. I have successfully configured an OpenLayers page to display this basemap. The code is as follows: var map = new OpenLayers.Map('map',...
5 votes
3 answers
7k views

MySQL to GeoJSON - Formatting Issue

I'm trying to make a select on a mysql table and then write it out to a geojson file. I'm getting close but there are a few issues. Here's what I have so far: <?php require("dbinfo.php"); // ...
  • 143
18 votes
7 answers
22k views

How do you convert OSM XML to geojson?

I want to take the XML output of a Xapi query and display it using leaflet or polymaps. How can I do that? Is there an easy way to convert XML to geojson
1 vote
1 answer
165 views

Pick object by properties (and centre on it)

I have a Leaflet map with a Cloudmade base layer and a single layer of polygons. Each of these polygons has a reference number attached as a property. I would like to select a reference number from a ...
  • 3,703
19 votes
3 answers
25k views

Does Leaflet JS API provide a Geocoding service?

I am considering replacement of Google Maps with Open Street Maps and the Leaflet JS API. Does the Leaflet JS API provide a Geocoding service?
  • 293
2 votes
2 answers
3k 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....
  • 133
20 votes
1 answer
66k 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
1 answer
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 ...
  • 323
6 votes
1 answer
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, ...
  • 20.8k
8 votes
3 answers
17k 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 = ...
16 votes
2 answers
6k 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
5 answers
21k 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 ...
60 votes
7 answers
13k 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 ...
15 votes
4 answers
10k views

Seeking Open Source alternatives to Google's StreetView engine? [closed]

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 ...
13 votes
3 answers
15k 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. ...
  • 323
49 votes
14 answers
45k 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 ...
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