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

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1k views

How to style specific polygons from a geojson with Leaflet

I have a World Countries geojson, that has country codes as "ID" (feature.id) and names as feature.properties.name I would like to color specific countries for making a "countries visited" map. ...
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529 views

adding bing (with labels) maps to leaflet

I am using this leaflet plugin to render bing aerial map as a base layer onto a leaflet map. baseMapUrl = new L.BingLayer(bing_key); map.addLayer(baseMapUrl); But I am unable to find a way to ...
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137 views

Why doesn't my Mapbox + Leaflet viz look retina-friendly?

This is probably a very simple question but it's not clear to me. The Mapbox docs say: When you create a project from the editor, Retina (high resolution) tiles are automatically used on ...
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3answers
702 views

Bootstrap and Leaflet - Grid Issue

Trying to use integrate a simple leaflet map within Bootstrap grid / column. While I am trying to follow tutorials and templates, for some reason the <div> id="map"</div>does not seem to ...
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2answers
302 views

Leaflet HTTP.Get bad request; not loading tiles

I am trying to walk through the Leaflet quick start tutorial and am having a really simple issue: None of my tiles are loading. I get this error at the image url and an HTTP Bad Request in the ...
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519 views

Query and Visualize GeoJSON data [closed]

I am trying to visualize specific GeoJSON data. I am successfully loading the full GeoJSON file (Multipolygon) using Leaflet JS. Is there any query to find specific polygon from that GeoJSON file? ...
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341 views

Leaflet WMS GetFeatureInfo gives result only on zoom level 10

I am using GetFeatureInfo with wms layer to get the data behind. The request returns data only after zoom level 10 before that it returns empty features. Does anyone having same issue? I think it ...
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1answer
470 views

Changing list-item css class using ng-class when mousing over Leaflet Map Markers

I've got a doozy of an ng-class problem. So I have an app with a map/markers on the right and a list-item menu on the left with info about the markers (like Yelp or Foursquare). With some of my ...
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163 views

How to add labels parallel to lines, polylines or multilines using Leaflet?

I want to add road name parellel to its line or if the line is curved, then the label should also be curved. How to add these name labels using leaflet? example image
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1answer
85 views

layer priority over basemap

Hello I was trying to but together a quick and dirty bing/osm map using leaflet and leaflet plugin. My problem comes in when adding a layer from cartodb.The points do not show and I am not getting ...
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2answers
121 views

Remove TileStache cache for a single feature

In a large parcel map, features are edited and need to be re-styled. I want to keep as much of the cache as possible, but invalidate the cache for features that are edited when the features are saved. ...
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81 views

Delay on Marker Title in Leaflet

I am trying to put title on leaflet markers. This explains the way to give title to marker which would appear on hover. Is there any way we can set time on that i.e. make the title appear after 50ms ...
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179 views

Zoom variable or pixel distance

I have query by distance working in a framework that generates a list of features within a fixed distance of a clicked feature. I would like to make the queried distance variable based on either: ...
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2answers
243 views

I want to show the information of several layers of a request made ​​GeoJSON geoserver

Always enters the error function and shows me the alert 'what happen?'. This is the piece of code that causes problems: map.addEventListener('click',onMapClick); function onMapClick(e) { var ...
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1answer
269 views

How do I import a PNG as a TileMill layer?

I want to use the NASA "Blue Marble" images as the basis of a map tile set for a Leaflet.js map. It seems like using TileMill is the easiest way of building up my tiles, and opens a lot of options ...
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307 views

Why doesn't LeafletJS complete the conversion when re-projecting to Spherical Mercator?

When I use the Mapbox Leaflet pre-packaged Projection class SphericalMercator to project a lat/long coordinate into EPSG:3857 I have to multiply the result Leaflet provides by the earth's radius. ...
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520 views

getActiveLayers for LeafletJS

I'd like to identify the layers that are currently active (which basemap is currently in view and which overlays are currently turned on). Was hoping to find something akin to getActiveLayers in the ...
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2answers
3k views

how does one reset map.fitbounds (zoomtofeature()) to the original zoom?

I have a lovely map setup using Leaflet with MapBox tiles (only). It is a United States map with polygons for each state with an onclick event to zoomToFeature. The basic zoomToFeature() function ...
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664 views

Leaflet JS calling animatedMarker.stop() from event listener

I'm using the animated marker plug-in for Leaflet JS and would like to stop the marker from animating when it reaches a certain lat lon position. Currently I'm using Leaflet's 'move' event listener ...
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2answers
3k views

How I can load tileLayer in Leaflet framework using local tiles?

I'm using file:///C:/path/tiles/{z}/{x}/{y}.png like url of tileLayer but it doesn't work and no error is shown. var layer = new L.tileLayer("file:///C:/OSM/tiles/{z}/{x}/{y}.png", { minZoom: ...
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1answer
231 views

projection error on Leaflet map

I am trying to add a converted shapefile (now a geojson) to a Leaflet basemap, using EPSG 26986, so I tried using proj4leaflet to reproject it. However, I keep getting an error message "phi2z has ...
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1answer
318 views

TypeError in leaflet on zoom in or out

I am working on an application that renders land parcels from PostGIS as polygons in Leaflet. I have an event handler set for 'viewreset' on the map: this.leaflet_map.on('viewreset', ...
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2answers
802 views

How to draw line in leaflet using postGIS road data

I have few points from server and I want to draw a line with this point on road. But the leaflet drawing point to point line as shown in picture in orange color. But I want to draw the line ...
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3answers
1k views

Add TileCache Schema Layer to Leaflet Map

I am trying to get Leaflet to display a TileCache Schema tileset. One example: http://example.com/tiles/Admin/06/000/000/357/000/000/158.png As far as I can tell, Leaflet only supports TMS style ...
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1answer
802 views

Slow tiles generation for leaflet js

I am currently trying to use leaflet to display images (jpeg or png) instead of maps, I have followed the instructions on this blog post to create the tiles using gdal2tiles.py here is the code we ...
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417 views

Is it possible to use Leaflet, PostGIS and PGRouting for web mapping?

I am newbie at Open Source GIS. I have already create a web mapping using custom tiles and leaflet. I have used my my own database. Tilemill was used to create the tiles and leaflet was used to ...
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2answers
2k views

How to deal Leaflet map control checkboxes?

I add some geojson layers to the map control once a layer is loaded and the control can show all the layer names. But I notice that all the checkboxes are unchecked by default. So that once I click ...
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1answer
856 views

Does leaflet support wms tile layers in applications/openlayers formats?

I am trying to create a tilelayer.wms overlay on top of a wfs base map and I wasn't sure whether leaflet allows the applications/openlayers type of format which I served up from geoserver or only ...
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1answer
337 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 ...
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1answer
142 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 ...
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17 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 ...
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6 views

Leaflet inbuild AJAX methods for WMTS getCapabilities request

I was wondering whether the Leaflet library has inbuilt methods to make AJAX requests. My goal is to create a plugin that makes an XMLHttpRequest request to a specified WMTS resource and parse the XML ...
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26 views

How to 'filter' a district by clicking on it in Leaflet?

I have created a basic layer of districts on a background google streetmap on QGIS. Using the qgis2leaflet plug in, I'm able to render a webpage of the same. I want the web product to be such that ...
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13 views

Leaflet marker cluster from JSONP WFS + Popups

I'm fairly new to Leaflet and just managed to use Leaflet marker-cluster with a JSONP WFS which provides my data from Geoserver. Now I would like to have a popup for my markers by mouse click. But I ...
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23 views

LeafletJS How to set custom map scale for a flat image map (CRS.Simple)

I've been trying to get a flat image fantasy map working within LeafletJS. I have pretty much everything working well except for the map scale legend where two things are not working: I can't seem ...
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19 views

No output when rendering GeoJSON using Leaflet() package in RShiny

I am creating a Rshiny interface on that can take in the user input when a user click on a point on the map, query the user's selection from postgresql and return another map layer. The package I am ...
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63 views

Rendering TopoJSON in Leaflet from GeoJSON PostGIS output?

I'm using the query found here SQL query to have a complete geojson feature from PostGIS to get a geojson that I can display on a leaflet map. However, the amount of data is kinda big and the ...
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1answer
55 views

Is there any method to retrieve SQL queries into a GeoJSON file using JSP?

I want to display the contents of my PostGIS database of various shape-files in leaflet pop-up dynamically. I know there are static methods available that retrieves attributes. But I need to by ...
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1answer
88 views

Leaflet custom div & click propagation on other elements

I've gotten custom HTML applied successfully within my #map element (where Leaflet is appended) but I'm having unusual behavior with other Leaflet objects that find themselves within the transparent ...
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3answers
76 views

What are the low cost options for converting FLEX API based web mapping applications to any other platform?

As flex is reaching the end of its life, I have one project to convert Flex based web mapping application to any other possible solution with minimum development effort and secure way. I believe Dojo ...
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1answer
80 views

how to draw a polygon in leaflet and add it to geojson file

I am working on a small project with leaflet. the goal of the project is to show a geojson file and updating it dynamicaly from the window of the web site. I have imported the geojson file to the map. ...
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1answer
101 views

Submit a form from within a leaflet popup?

I want to submit a form from within a leaflet popup simply using javascript and geojson. I am essentially collecting attribute information in the form and then I want to process the information into ...
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0answers
20 views

Leaflet fill patterns

I am using the leaflet.pattern library at https://github.com/teastman/Leaflet.pattern and I want to change the color of my stripes based on a value in the feature just like I do in the following ...
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1answer
49 views

Leafletjs popups in iframe not working in IE11

I am not a programmer and understand very little of what I'm doing. Any help is much appreciated. This is my leafletjs iframe in a wordpress blog: http://www.kemeling-consulting.com/cresh-map-viewer/ ...
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0answers
87 views

How can I export symbology and labels with QGIS Leaflet to webmap?

If I make a map in QGIS export it with Leaflet the symbology and labels don't appear on the webmap. Is it possible to export them? If yes, how to export the all map?
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48 views

Loading lots of points on leaflet through time slider.

I'm trying to add more than 13 thousand point using Time Slider plugin, but as you can imagine the loading process of all these points puts a heavy burden on the map. Even the slider start to get ...
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1answer
30 views

Guessing unknown projection of Webapp

I have a series of points around the greater london area (may be also around 100-200kms away from it) like those here in the format Lon, Lat: 43032.1,32681 95816.5,34473.8 15439.3,-13987 The ...
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1answer
87 views

How can I automate interactions with vector features in Openlayers3(canvas) like it is done in Leaflet(SVG)?

I want to automate and test some aspects of my map application in Openlayers 3. I mainly want to automate clicking on markers and other vector features(ideally through the DOM using xpath like SVG). ...
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31 views

Leaflet: my map is moving when popups open [closed]

I have an issue and I can't find a solution by myself. This is the map I'm working on. When you check "Afficher les produits échangés", you can see a half-dozen popups opening simultaneously. And ...
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51 views

Solution to draw objects on layers and share maps

I'm looking for an online solution to build custom maps on top of OSM/Bing/Google layers and share them via export or link. I need to find an address, draw and drop lines, polygons, circles, add and ...