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

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44 views

Leaflet filtering existing featuregroup

I have a leftleat map and i would like to filter the featuregroup i am displaying. exp_colJSON = new L.geoJson(exp_col,{ onEachFeature: pop_col, pointToLayer: function (feature, latlng) { ...
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0answers
28 views

Leaflet removing labels when any popup window is shown

I am newbie to leaflet and i found the following solution to add static labels to features in my map: L.CircleMarker.include({ bindLabel: function (content, options) { if (!this._label || ...
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2answers
63 views

Leaflet legend. Where am i going wrong?

This is driving me nuts! I am trying to add a legend to my leaflet map and no matter what I try I cannot get it to display properly. I have imported a point level geojson into my map and I have ...
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0answers
18 views

leaflet filelayer.js change click event

First off, I am no Javascript expert. Second, I have a feeling this is nice and simple for someone with skills. I am building a map and incorporating the leafletfilelayer plugin. The plugin works ...
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1answer
92 views

How can I project geojson borders on the google earth tiles in leaflet?

I started working with leaflet and google earth tiles. I want to add borders on my map so I tried to use the countries geoJson Data as a layer on the map. The problem is that the json borders ...
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1answer
103 views

How to export to all points within Leaflet polygon?

I dont have any idea If it is possible to export all points within a draw polygon. (http://leaflet.github.io/Leaflet.draw/). Thanks in advance.
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2answers
162 views

How do I json_encode without those quotes for the coordinates in leaflet geojson polygon?

I have a field name: 'coordinates' I have the coordinates stored in there: like this: [[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ]] when I json_encode($geojson); I get ...
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0answers
22 views

Enabling all layers by default using Leaflet?

I am using leaflet maps to compare heat layer and marker layer. I've an option to add multiple marker and heat layers dynamically. For me Heat layers are enabled by default as on when user adds new ...
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1answer
68 views

Help binding Dynamic Map Layer popup in Esri Leaflet?

I've been experimenting with a web map using Esri Leaflet examples and I've run into a bit of a problem getting my popups to load. I'm able to successfully load the data from the REST service and it ...
2
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2answers
108 views

great circles in QGIS and export in 3857 webmap

My plan is to visualize great circles in a leaflet webmap. So coming from this great postgis article and R version I thought it would work like this in QGIS: create line from two points, store ...
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23 views

Preventing map panning to last drawn marker using Leaflet?

I have a basic Leaflet map where I need to draw several markers and lines on. How do I prevent the map from panning to the last drawn object? I've read about setting autopan : False for popups from ...
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2answers
84 views

Json not loading from Geoserver into Leaflet

I'm creating an web map application using Geoserver and Leaflet. I'm trying to load a few Json feature through an WFS service.The problem is that nothing is being displayed on the final map, the ...
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1answer
61 views

How do I toggle a legend of a cartodb layer in a leaflet map?

Per my previous question - here - how do I get the legend to toggle (I have it turned off now) in conjunction with toggling the cartodb layer via the leaflet layer control? Maybe adding it as a ...
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1answer
84 views

Showing only ONE layer from a group layer in Leaflet

I have the following code to solve my workflow. But it does not work properly. The problem of the map behaviour appears to be within the map.getZoom function at the end of the code. That function ...
0
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1answer
73 views

Creating Leaflet layer that can be toggled in layer control from CartoDB viz.json?

How do I create a leaflet layer that can be toggled in the layer control from a cartodb viz.json? I have read that the cartodb.createlayer does not create a leaflet layer. It seems you can add the ...
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0answers
52 views

Leaflet update getcenter coordinates

I am bringing in leaflet routing control into my map and I would like to have the route icons show up in the center of the current view. using the code below I can get the icons to show up at the ...
2
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1answer
134 views

Leaflet Marker Mouseover Popup

I've tried to make a MouseOver Markers Popup since a couple of days, I'm using Leaflet. I know some solutions I've read in many forums, but I wanna make it work with GeoJSON-Points and I haven't found ...
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3answers
211 views

How to load geojson vector tiles from mapbox id?

I have some data hosted on mapbox and I'm trying to load it as tiled geojson into Leaflet from its mapbox id (I just want to get plain geojson, I'm not trying to render it). How can I achieved that? ...
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1answer
58 views

Positioning leaflet divIcon when adjusting size using css

I am using the L.divIcon when using iconSize:null which is causing iconAnchor:[0,0] to not be recognized,my code looks like this: var divIcon =L.divIcon({ className:'current-location-icon', ...
2
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1answer
53 views

Control to select data source on Leaflet map

I am building a map using leaflet. My data source looks something like this: var districts = {"type": "FeatureCollection", "features": [ {"type":"Feature", "geometry": ...
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1answer
129 views

Adding comments using leaflet draw

I am working on an application that will leverage the leaflet draw plugin so that a user can open my map and drop comments in the form of markers. Then the user can click submit and it will serve me ...
0
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1answer
180 views

Adding drop-down menu on leaflet map instead of L.control

I have created a choropleth map including several layers from the same geojson layer which is turkeyData in my case.I actually did it and it works fine. But I like to change the standart leaflet ...
2
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0answers
64 views

Batch create leaflet webmaps in QGIS

During a project on the spider fauna of Greece, we have to face the design of distribution maps of the species. A good tool to work with is the design of leaflet webmaps to be used on the website ...
1
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1answer
137 views

Compare several Overlay Layers with Base Layer in Leaflet

I write web app for comparing several Overlay Layers (in example OSM tile layers) with Base Layer (in example Bing Aerial layer) in Leaflet. It's work in 'first loaded' level zoom. But when I ...
2
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1answer
189 views

Hide/Show route layer in Leaflet when click on button (Easy Button plugin)

I have a Leaflet map with button (Easy Button plugin https://github.com/CliffCloud/Leaflet.EasyButton). When click on button on map added route layer (plugin ...
1
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1answer
50 views

CartoDB SQL and returning values

Right I've got this JS function function AreaCompare(sql, UIDfield, Geogname, Table, sourceName, sourceID, destName, destID){ CompareObj = {}; CompareObj.sName = sourceName; ...
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1answer
75 views

How to create and serve map tiles?

I have shapefile which is too large to be served as vector. Also, I need it only as background tile, not as layer with attributes. I thought of creating tiles in MapTiler as I already bought it. I ...
1
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1answer
46 views

Is the data supplied to Google Maps or leaflet.js javascript rest API is private

I have a dataset which has to be used for internal/intranet web application. Is the data supplied to google map javascript api to draw map as well as to show meta information through markers is ...
1
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1answer
119 views

Add svg filter to paths created by leaflet?

If I were to create a simple inline svg, I could modify paths to have a drop shadow or a blur by creating a <filter> within a <defs> grouping. However, Leaflet dynamically generates the ...
0
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1answer
244 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 ...
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1answer
149 views

How to switch base layer programmatically in MapBox/Leaflet

I have multiple base layers, and need to switch them programmatically, dependent on various actions and states in my app. Can't find how, for the life of me. thanks!
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0answers
43 views

White tiles Leaflet

When i run the function below, i get white tiles in browser:(Leaflet) function areas() { var nexrad = L.tileLayer.wms('http://localhost:8080/geoserver/pgrouting/wms', { layers: ...
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1answer
319 views

Change marker's size by with zoom in Leaflet

I get stuck with changing my marker's size when zoom changes in my Leaflet code. It's a simple map with a metro stations overlay coming from an ArcGIS Server. The markers are coming from that same ...
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3answers
115 views

Get basic image/utf grid tile URLs from CartoDB visualization?

I'd like to add the layers from a CartoDB visualization to a Leaflet map directly (NOT through CartoDB.js). My visualization has one image tile layer generated from data, and one utf grid tile layer ...
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0answers
38 views

Any way to make leaflet.draw polyline finite (i.e. max) distance?

Does anyone have an idea of how I could force a maximum distance when creating a polyline with leaflet.draw? In other words, I would like for the user to only be able to draw a line UP TO 1000 miles. ...
1
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1answer
391 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 ...
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0answers
32 views

Leaflet marker coordinates to GeoServer

I'm trying to display a Circle using GeoServer+Leaflet(HTML).I am using an address search tool which displays a marker. I would like to use the marker coordinates as center of the circle with leaflet. ...
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0answers
82 views

Loading minimap in Leaflet

I use this for loading google basemaps https://gist.github.com/crofty/2197042#file-leaflet-google-js , this to switch basemaps https://github.com/ismyrnow/Leaflet.groupedlayercontrol and this as ...
1
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1answer
49 views

The ordering of layers with CartoDB/Leaflet

Just want to get a bit of clarity about this query from before: Layer order in CartoDB I have a map with a Basemap and I want to draw points between features based on layer featureclicks, The good ...
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0answers
91 views

Load Maperitive's tiles.json into HTML for getting bounding parameters

I've created a local tileset of a city in Maperitive, and a basic leaflet.js webpage to browse it offline. There's a tiles.json also created by Maperitives that has all the essential bounding and zoom ...
1
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2answers
51 views

Most efficient method to get national-level data displayed with Leaflet

I'm looking for the most efficient way to get a national or U.S. and Canada level dataset working with a JS mapping library. My problem is there's a myriad of technologies that seem like they can ...
1
vote
1answer
66 views

Showing link for every city at different zoom levels using Leaflet?

I have a Leaflet map that I am using to render a map of the U.S. The map will have specific zoom levels. For example, when the map first loads it will show major U.S. cities. Then if you zoom in it ...
3
votes
1answer
158 views

d3 + Leaflet apply class value from geojson data

I have a geojson file that I'l able to draw just fine with D3 + Leaflet. I'm having trouble applying a class to the svg objects with a value from the geojson file. Each feature in the geojson file has ...
0
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1answer
40 views

Changing cartodb.createLayer source

I'm applying a Carto named map layer to an existing Leaflet map similar to: cartodb.createLayer(map,{ type: 'namedmap', user_name: **username**, options: { ...
0
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1answer
58 views

iterate over cluster in markerCluster : leaflet

i need to iterate over all clusters that are currently present in markercluster using leaflet. there's a method called markercluster.getClusters() in googlemaps to do this job. is there something ...
3
votes
1answer
147 views

Put LeafletJS geoJSON's into a MySQL database through PHP

I'm doing a project that will let users manipulate a map through LeafletJS, creating circles and polygons on top of the map. I need to gather these inputs for later analysis, using a MySQL database ...
1
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1answer
57 views

How to add GeoJSON layer with GraphHopper?

I have a GeoJSON file containing some POI that I would like to be able to display within a separate layer with GraphHopper. But after several tries and search over internet, i can't manage to get a ...
1
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1answer
208 views

Leaflet.js add/remove control from Map

I am attempting to combine two fine plugins Leaflet Easy Button and Leaflet Routing Machineand i can't quite get it to work. what I want seems simple enough, I would like to have a button that when ...
1
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1answer
105 views

Leaflet pop up fade out animation

When a popup is opened with Leaflet a nice fade in animation is played. When you close the popup however it abruptly disappears. Does anyone know how to play a fade out animation when closing the ...
1
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0answers
51 views

Leaflet CRS.Simple or CRS.EPSG3857 conversion Problem

I'm using v-leaflet (0.61) , a vaadin plugin, to visualize some layers over a map. Clicking on the map, I create a wms query to geoserver. The query needs some parameters and one of them is the bbox. ...