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

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3
votes
0answers
978 views

leaflet - Drawing line following the road

Short version: What I wish to be able to do is drawing a polyline along part of a road. In that way marking certain houses, along this road. Long Version: I have several houses that I wish to mark ...
3
votes
0answers
1k views

How to serve OpenStreetMap Tiles locally using ArcGIS Server 10?

We want to serve OpenStreetMap Tiles locally using ArcGis Server 10 to use as base maps in our ESRI Silverlight and Flex GIS clients. We've downloaded our regions OSM file and created PNGs using ...
3
votes
0answers
428 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 ...
2
votes
2answers
669 views

Do the recent developments in the Google Maps API replace necessity of OpenLayers?

I think the main drawback of the Google Maps API is that we can't add our own vector data or raster imagery as one of the layers in the map. Is this correct? Or is there any alternative in the Google ...
2
votes
1answer
5k views

Go to the URL when clicked on Leaflet marker

I want to implement marker click event so when user click on marker it goes to url. Url is written inside an array (a[3]). However, this is my code which doesn't work, it always goes to the link of ...
2
votes
3answers
4k views

get latitude & longitude as per address given for leaflet

In my project I am using leaflet to display points. I am getting address from my database & want to show point for that particular address. I dident found anything which will give me latitude ...
2
votes
1answer
2k 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 = ...
2
votes
3answers
142 views

qgis2leaf exporting transparent polygons as all black

I am creating a qgis2leaf webmap from QGIS 2.8.1. It is comprised of several polygon and point layers. I am able to make my polygon layers semi transparent, but not 100% transparent. I want to be ...
2
votes
2answers
2k views

How to add Geoserver WFS to Leaflet JS Application

I have a PostGIS database and have successfully consumed a table into GeoServer and published a WFS. Are there REST endpoints available for these WFS' akin to ESRI's feature services? How are ...
2
votes
2answers
143 views

zoom over vector in leaflet

I have created a map from geojson file of administrative boundaries (polygons layer). Similar to this example. When the mouse is over the polygon feature, the cursor changes from hand to finger. In ...
2
votes
1answer
1k views

Adding a search box to a Leaflet.js example

Consider the example in the following link for Folium: US Employment visualization per county. The result looks like what you see below:     I would like to add a search box to it to be ...
2
votes
2answers
519 views

How to generate legend in leaflet webmap?

Although I have checked the "Create Legend" option in the qgis2leaf plugin, it did not generate any legend in the output webmap. What am I missing here ?
2
votes
1answer
772 views

Leaflet Draw - add title to marker or shape?

I am trying to create a participatory mapping site where users can draw pts, lines and polys using Leaflet draw. Is it possible to create a pop window where users can add a title or description of ...
2
votes
3answers
6k views

Getting WFS data from Geoserver into leaflet

I'm trying to use a ajax call to load WFS data from geoserver into a GeoJson layer in leaflet. When I do the following message in the console: XMLHttpRequest cannot load ...
2
votes
3answers
621 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 ...
2
votes
3answers
4k views

How to change Leaflet marker color on mouseover?

I'm having a hard time figuring out why the Leaflet method setstyle will change the color of a polygon but not the color of my markers. Polygon works fine: But the markers won't change colors: ...
2
votes
2answers
1k views

Unable to get Mapbox leaflet-omnivore to load markers from .csv

I'm using the Mapbox.js API to build a really simple web map using a .csv file to place markers with tooltips. I'm trying to use the suggested leaflet-omnivore library to easily parse the csv and ...
2
votes
2answers
1k views

Leaflet.geojson webpage performance out of hand, how to convert to .png?

I exported some countries as a single .geojson file. The file includes every country's vertices and coordinates, as that's what a .geojson is ─ a vector file. Thing is, there are about 20 countries ...
2
votes
2answers
3k views

Leaflet draggable Marker

I have setup a draggable marker on my map with Leaflet API. Its working fine. But the problem is when I am trying to drag it to the border area the map is not moving. I want a panning map with Marker ...
2
votes
2answers
3k views

Leaflet export to jpg

Does anybody know if there is a way to export the current view of a Leaflet map to jpg? The setup is as follows: Leaflet is hooked up to an Oracle database. Depending on user interaction, various ...
2
votes
1answer
1k views

GeoServer Callback Function Undefinded

Any idea why the function loadThis() comes back as undefined? I've tried adding jsonp: false which doesn't help either. The json object is returned properly, I can view it in FireBug, but I can't get ...
2
votes
1answer
2k views

Leaflet, wrong API key when using CloudMade tiles!

I've registered on CloudMade and got some API keys but non of them work with Leaflet API. When I checked for image URLs and opened each directly using my browser it prints out the message "Wrong ...
2
votes
2answers
2k views

leaflet and geojson tiles

New to mapping. Trying to create a heat map with data that updates every hour for US Counties with leaflet.js similar to http://leaflet.cloudmade.com/examples/choropleth-example.html. But, adding ...
2
votes
1answer
3k 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 = ...
2
votes
2answers
58 views

Qgis2leaf doesn't show layers with scale-dependent visibility

When I add layers to the QGIS2LEAF dialog box it accepts it and opens up the preview in my web browser, but when I starting looking for the layers, in this case points for campgrounds, I dont see any ...
2
votes
2answers
211 views

Highlighting features in qgis2leaf export

I have exported a QGIS map to Leaflet using the qgis2leaf plugin. I am looking for some assistance as to how to highlight features (polylines) when the mouse hovers over it. I just want the polyline ...
2
votes
2answers
211 views

Flannery compensation in Leaflet JS

I'm creating a bubble map using Leaflet JS. Everything is working smoothly (LeafletJS is awesome!) but now I'd like to try flannery compensation on the bubbles. I can't find the math anywhere though. ...
2
votes
1answer
298 views

How to efficiently render and enable user interaction on thousands of points with Leaflet?

I've got a large dataset comprised of about 10k points representing gas stations. Some of these gas stations sell diesel fuel, others do not. In my web map, I want to let the user switch between ...
2
votes
2answers
596 views

Leaflet: maximum number of layers?

Is there a limit to have many layers you can have in a leaflet map?
2
votes
1answer
623 views

leaflet: Zooming a tile cache

I have a NASA BlueMarble tile layer that goes from zoom factors 0-8. I when I go to zoom level 9, I do see a momentary scaling to 9 (stretching pixels). But then, as expected, I get the errorTileUrl. ...
2
votes
2answers
6k 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 ...
2
votes
1answer
41 views

Proj4 for EPSG3857

I am using leaflet and the R library sp. The CRS from my leaflet map is EPSG3857 - WGS84 Web Mercator. I am retrieving the coordinates of my current map view with getBounds(). For further calculations ...
2
votes
1answer
14 views

Leaflet polygon (multi polygon) to CQL equivelent

I am using leaflet with geoserver. I want to set up a CQL filter to do an intersect but having an issue with getting the geometry from leaflet polygon to cql polygon. For instance, the feature has ...
2
votes
1answer
37 views

disable onEachFeature at zoom level, leaflet

I have a leaflet map that zooms and fits on the bounds of the polygon that is clicked via onEachFeature. Is there a way to disable this at a certain zoom level? I add new layers on the 'zoomend' ...
2
votes
1answer
84 views

Custom HTML Within Leaflet Map

We're upgrading our Leaflet maps to be larger on the screen and doing so in part by putting information panels, etc. over the map with varying transparencies. Obviously this is easy to do by ...
2
votes
1answer
65 views

Making info panel clickable in Leaflet?

How do we make it possible to click, drag, copy text that appears in Info panel in leaflet.js? In a leaflet application similar to the choropleth example, I'm populating the info panel on click ...
2
votes
2answers
221 views

IE8 issue with Leaflet and CartoDB

Hi all having some trouble getting this map to work in IE8. Currently tried using some of the old IE8 CSS for both but that didn't seem to work. Any ideas for this? Here is the code for the main map: ...
2
votes
1answer
196 views

L.esri.featureLayer shows up and sometimes not

I'm new to the leaflet/esri subject so please forgive me if it's just a simple question. I wrote my first webmap-app. It uses different sources. The main aim is to show two basemaps hosted by MapBox ...
2
votes
1answer
168 views

Generate territory polygon from sets of points

I'm looking for a simple way to generate contiguous "territories" from sets of points. Say, points A, B and C are in territory 1, and D, E and F are in territory 2, then generate polygons that lie ...
2
votes
1answer
286 views

How to get a table from a leaflet map?

I have a map Here based on leaflet JS and the layers are geojson. I would like to get a table at on another div when I click on each layers. How would I be able to do that? Thanks
2
votes
1answer
398 views

How to let leaflet layer events to propagate to layer below

I am working on a leaflet map with three layers: a base tile-layer, a GeoJson layer and a label tile-layer. For display, I want the label layer to be on top, but for interaction I would like to let ...
2
votes
1answer
445 views

Using OSM Buildings in Leaflet: how to deactivate layer on loading map

I'm trying to use OSMBuildings in my Leaflet map. <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>OSM Buildings Test</title> <link ...
2
votes
1answer
365 views

Leaflet Layer Control appended to panel but duplicated

So I've used jquery append to attempt to move my leaflet group layer controls on to a panel. This was successful, however the original still exists on the right side of the map object. I've tried to ...
2
votes
1answer
109 views

When I publish a layer(shapefile or postgis) with TileMill, 200 meters moves

I hope someone can help me. Not if you know the TileMill application I'm working with her to publish layers look more beautiful. Well, first I have posted directly loading the shp file., But when ...
2
votes
2answers
632 views

How does Leaflet layer ordering work with CartoDB layers?

All, I'm trying to figure out how Leaflet layer ordering works when you have layers coming from CartoDB. I have a map with 1 polygon layer (cartodb), 3 point layers (cartodb), 1 basemap layer ...
2
votes
1answer
2k views

Make sidebar div active on Marker click (and vice versa)?

What's the best way to change an element to active when you click on a marker. For example, when you click on a marker on a Leaflet map, how to make it so the sidebar element that's related to it ...
2
votes
2answers
318 views

Sending map extent in (geo)JSON

I have a leaflet map that I need to fitBound on a given rectangle. The coordinate for the fit bound will be transfered in JSON via a REST call on a server. We are using GEOJson to encode our geometry ...
2
votes
1answer
558 views

Display a control (zoom bar) outside map container in Leaflet?

I need to extend a zoom control so that it is functional outside of the leaflet map container. Can this be done? Essentially,the same idea as what is accomplished with this item here but under the ...
2
votes
1answer
974 views

How can I load stricly tiles within the current viewport in Leaflet.js?

I have tiles that are not available for the whole map. How can I stop Leaflet.js/Mapbox.js from making requests to these tiles? There are dozens of 404's that I'd really like to get rid of. Thank ...
2
votes
1answer
135 views

How could I generate a CRS field inside the GeoJSON object created by Leaflet layer.toGeoJSON?

I'm using Leaflet to transform some drawn polygons to GeoJSON and send them to a backend. But the GeoJSON objects generated by layer.toGeoJSON are like this: { "type":"Feature", "properties":{}, ...