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

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98 views

Run-time substitution on MapServer with Leaflet

I have a MapServer instance and map file displaying data in selected countries using a Leaflet WMS tileLayer. This map file works to display points from a single country (showing the LAYER definition ...
2
votes
1answer
182 views

Leaflet Marker-Cluster JSONP GeoServer

I hope I can get same help from here. I started to put together a leaflet map, please see here: http://gis.xyz/leaflet2.html I want to show my postgis point (uk based) features on this map with ...
2
votes
1answer
117 views

openlayers leaflet and popup

I am working on a map mixing openlayers and leaflet librairies (it is possible, correct ?). I am such a beginner that, after lots of readings, I thought creating popups was less difficult for me ...
1
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3answers
422 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 ...
1
vote
1answer
231 views

Adding popup to geojson layer based on feature property?

I'm using leaflet and trying to add a popup to a point on the map that will return a property of the point from the geojson file. Going off this post has been helpful problem adding pop-up to GeoJSON ...
2
votes
1answer
76 views

Distort image to display on leaflet.js based on known 16x16 point grid

I have an image that is a satellite picture, and with php gd I want to distort it so I can overlay it on a leaflet.js map. To make it a bit more simple, I have a grid of points, 16x16 which bind the ...
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2answers
196 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 ...
4
votes
1answer
417 views

*Leaflet* mouse wheel zoom only after click on map

I'm working with the Leaflet JavaScript Library and attached a (working) map to my HTML Document. It is in the middle of the page, and when I'm scrolling down with my mouse wheel and arrive at the ...
3
votes
1answer
84 views

Zoom in to see details

I have 2 shape files, one that shows all the counties on an island, the other shows all the villages on the island. Here is the scenario: My initial map shows the counties. When you click on a ...
2
votes
1answer
155 views

Moving from OpenLayers to Leaflet breaks tilecache

My tilecache.cfg is like so (working with MapServer) [mylayer] type=WMS url=http://server/mapserver/app spherical_mercator=true layers=mylayer The following works just fine var mylayer = new ...
1
vote
1answer
237 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
1answer
132 views

Display a link in a popup with Leaflet

Hey there! Im working with the Leaflet javascript library. There should be an option to click on my map and view a popup. I already have a code for that: var popup = L.popup(); function ...
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0answers
16 views

GeoJSON of half the earth [duplicate]

I'm currently trying to model daytime/nighttime in leaflet, and the only way I currently see me being able to do that is to have a GeoJSON polygon reflecting half of the earth (for daytime/nighttime ...
0
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1answer
95 views

Displaying geojson data in leaflet

I am trying to access and display some data in a geojson layer and would appreciate if someone can take a look at my code below and suggest what I need to do to make it work. The result of the ...
1
vote
1answer
99 views

Is there a way to have a choropleth map in Excel reading data from a sheet?

Is it possible to have a solution similar to ESRI maps for office in which I want basically a geojson file or any file for that matters to render a choropleth map based on data in a sheet? Tried ...
0
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1answer
126 views

Displaying click results in a side panel

I am trying to do something similar to the interactive choropleth map (http://leafletjs.com/examples/choropleth.html) on leaflet's website. In my case I want to use a click instead of a hover and ...
2
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0answers
35 views

What is the best way to handle metadata with TileStache?

When I'm serving up maps and UtfGrids with tileStache I would like to also include some metadata with the layers so that my leaflet application can understand the context of the layer. For example: ...
2
votes
1answer
109 views

Most efficient way to use UTM in leaflet

Our server is using UTM internally. We then send a large number of UTM Coordinates to display them in a custom made leaflet layer. First we transform (unproject) them into "normal" geographical ...
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0answers
55 views

Leaflet.js - drag marker from popup

I am trying to allow markers to be dragged via their popup. On mobile devices the marker position to is hard to see underneath the user's finger. If an area on the popup can be designated as an anchor ...
1
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2answers
548 views

How to style geojson polygon using L.mapbox.featureLayer()

I have this code: var SupIncend = L.mapbox.featureLayer().addTo(map); var ArbolesAntes = L.mapbox.featureLayer().addTo(map); var ArbolesX = L.mapbox.featureLayer().addTo(map); var ...
1
vote
1answer
39 views

How to insert a map into another map?

If you look at this site it has a main map window but it also has a small window map at the top right corner. What is the technical term for the smaller window? How is that window created? I am ...
5
votes
1answer
133 views

Need Advice - Displaying very large amounts of data on Leaflet js from database

I'm researching the best way to display a very large weather dataset (850mb +/-) for folks to use on their mobile and desktop devices. This huge dataset (1 point every 12km across the USA) that I'd ...
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0answers
34 views

MySQL Select rows where line strings are within a bounding box

I have a MySQL DB with some spatial data stored in a table after being input via ogr2ogr from a shapefile. The structure is similar to the following: OGR_FID int SHAPE geometry (all line ...
0
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0answers
12 views

How to set up proxy for Geoserver GetFeatureInfo call? [duplicate]

I have problems with cross domain, I call GetFeatureInfo in Leaflet API. I was looking for solution and saw that proxy could solve that problem. Can you help me how to set it up? I have geoserver run ...
4
votes
3answers
190 views

Plot a Raster of Weather data in Leaflet JavaScript Map without generating server-side tiles?

I want to show different weather data I have as binary arrays on a server using leaflet. But I do not want to generate tiles on the server. For each point in an a array I have the coordinates in ...
1
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0answers
170 views

Passing ng-directive to Leaflet L.popup().setContent() [closed]

Goal: Pass an Angular directive to the .setContent() method of L.popup() The Problem: I need to run $compile on the directive in order for it to enter ng. But something like: ...
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0answers
66 views

Multiple Leaflet maps on website in different divs

I'm pretty new to leaflet.js and I'm trying to figure out how to assign the same map with the same set of options and layers to a different HTML container instead of having to remove and add a new one ...
2
votes
0answers
52 views

Stray horizontal lines after converting from GeoJSON to topojson

After converting a GeoJSON file to topojson, and loading the topojson into Leaflet, stray lines appear in the resulting map. Like this: What is causing this? If I view the GeoJSON, these stray ...
1
vote
1answer
79 views

Geocode free APi for internal application

I need opinions / experienced use on this issue: Which API can be used to geocode an internal application of a company that meets these requirements: Can be used for company internal application ...
4
votes
1answer
138 views

Leaflet: how to change default style on a point GeoJSON Layer?

I need to change style on a point GeoJSON layer in a Leaflet map. I'm using the following code: function onEachFeature(feature, layer) { if (feature.properties && ...
0
votes
0answers
26 views

Leaflet: verify when a layer is checked in control layers

I'm a newbie in Leaflet, so sorry for the entry level question .... Is there any way to test if a layer in Control Layers is checked or not? I don't find any in API documentation.
1
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1answer
212 views

How to get the total route km route using machine leaflet

I'm using machine leaflet route to draw routes I can get the total route miles ?? How can I do this? I know the class IRouteSummary http://www.liedman.net/leaflet-routing-machine/api/#iroutesummary ...
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0answers
40 views

Geocoder leaflet for internal use in the company, which take addresses from any part of the street

I am making a personal application routing to be used internally in the company using machine leaflet route. The plugin uses nominatim geocoder, but he geocodificia according to the links of the OSM. ...
1
vote
1answer
314 views

Error with Leaflet Routing Machine

I downloaded the Leaflet Routing Machine from https://github.com/perliedman/leaflet-routing-machine. Unzipped and opened the index.html in my browser to see how it looks, and got an error as shown in ...
1
vote
0answers
101 views

What is wrong with my data receiving from php script for geoJSON TileLayer?

I want to get geo data as geojson for geojson tile layer requests in leaflet. I set up a geojson layer like this: https://github.com/glenrobertson/leaflet-tilelayer-geojson/ A php script answers ...
1
vote
0answers
31 views

Leaflet: Is there a way to use click event just like mouseout?

I made a map with leaflet by following the official Leaflet tutorial on interactive choropleth maps. I would like to make the map compatible with smartphones, so I added a click event, which acts ...
1
vote
1answer
255 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? ...
2
votes
1answer
276 views

Easy way to render TileMill tiles in retina mode with Leaflet?

I have a few quick little map websites that run straight off TileMill, without pre-exporting. They usually have code like this: L.tileLayer('http://example.com:20008/tile/MyMap/{z}/{x}/{y}.png', ...
1
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0answers
49 views

Show large information in a map (millions of points)

I have millions of points (census data) about 1.5Gb in a text file. But I only want to show an area based on this points like a heat map, so maybe I have to build polygons based on these points. What ...
1
vote
0answers
126 views

send viewparams geoserver using leaflet

I need to pass my longitudes and latitudes of origin and destination for a sql view in geoserver to get a WMS layer with the route. I've performed in qgis to view and is working perfectly. This is ...
2
votes
0answers
55 views

Popups not showing on layer/feature/marker groups

I had two problems. One was that, once I got lots of markers in one layer, and lots of polylines in another, someof my markers, starting from the north, started to vanish. I noted in the doco that ...
1
vote
1answer
800 views

How to use Leaflet Marker Cluster on markers from Leaflet-layerJSON (Overpass API)

I'm having troubles getting the Leaflet Marker Cluster working with Leaflet-layerJSON. I'm trying to make a Leaflet map with data from OpenStreetMap. The markers are showing on the map, but they are ...
2
votes
0answers
57 views

loading geojson in leaflet

I just added the geoJSON vector layer in leaflet for my hybrid mobile app using phonegap, the problem is that when I add the geoJSON file of size larger than 2mb the application crashes. What is the ...
1
vote
1answer
236 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 ...
1
vote
0answers
195 views

Formating geojson file with leaflet ajax-plugin

First of all I apologize for my basic english. I have to say, too, that I'm really a newby in coding. I'm trying to create an interactive map using leaflet (you can see it here). I was able to show my ...
2
votes
0answers
76 views

Adding marker on a leaflet map

I'm very new to GIS and for learning I started with building a simple web app with GeoDjango. I am using dango-leaflet. Since I have a very limited knowledge I am facing many challenges. I'm trying to ...
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0answers
127 views

Callback method geocode items nominatim not work

function addr_search() { var inp = document.getElementById("addr"); $.getJSON('http://nominatim.openstreetmap.org/search?format=json&limit=5&q=' + inp.value, function(data) { ...
0
votes
1answer
117 views

Does the experimental QGIS2leaf plugin not work on mac OS?

I am trying to get the experimental QGIS2leaf (Leaflet web maps) plugin to work on my macbook air (2012, Mavericks OS), but when I open the outputted index.html file, no interactive image shows up in ...
0
votes
0answers
135 views

GeoJson layers with leaflet in IE8

I have built a website displaying a lot of line shapes, using geojson, on a leaflet map. This is working relatively well in most browsers, though speed could be improved. As usual IE8 is being the ...
0
votes
2answers
64 views

Cartogram plugin for leaflet or OSM

Does anyone know if there is a plugin to make cartograms for leaflet ? I have sets of geotagged Twitter datas and I'd like to distord the map according to the density of tweets of every area of the ...