An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps
3
votes
1answer
149 views
Leaflet: how to draw curved lines?
So, I'm trying to draw curved lines in my application which is based on a Leaflet map.
As far as I know Leaflet does not support drawing curved lines at the moment, so my question is really more ...
2
votes
1answer
47 views
Can Geoserver return the raster value of a lat/lon point
I have a GeoTIFF published by Geoserver 2.2 and being used by Leaflet via WMS. How can I get Geoserver to return the raster value at a lat/long point?
I'm guessing it has to do with using WCS, but ...
2
votes
1answer
194 views
select two markers & draw line between them in leaflet
I am very much new to leaflet.
I have multiple markers plotted on my map in leaflet.
now I have to draw line between two markers when I select them.
Can any one help in doing this.
2
votes
1answer
198 views
UTM Grid as a Layer with Leaflet
How can I display a UTM Grid as a layer with Leaflet?
Search a way to embed a OpenStreetMap map with Leaflet in a website.
Particularity. I want to display a UTM Grid as a Layer.
In addition, lower ...
1
vote
1answer
128 views
How do I add my own map layers to Leaflet
I have a Leaflet map and want to add two of my own small polygon layers (currently in shapefile format, but they could be converted to GeoJSON). Can this be done without a mapserver to publish them ...
1
vote
1answer
81 views
passing geocode results object to another file
I'm using a geocoding plugin (Leafet.GeoSearch) on a map and I'd like the results, being the LatLng point coordinates, etc available as a parameter for GeoServer cql filtered calls.
It doesn't seem ...
1
vote
1answer
190 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 ...
1
vote
1answer
133 views
Polygon intersection with bounding box with polygon's holes intact
I am trying to serve GeoJSON FeatureCollection tiles with each feature's geometries trimmed to the tile boundary.
I am working on a Leaflet plugin to re-assemble the geometries. It works by building ...
0
votes
1answer
28 views
Does leaflet support KML Ground Overlays?
I found an example showing KML overlays at http://harrywood.co.uk/maps/examples/leaflet/kml.html but it only plots vector layer using polygons.
Is there any way to plot Ground overlays of KML (like ...
0
votes
1answer
40 views
How to add text-only labels on Leaflet map with no icon
I'm looking for a way to show text on Leaflet map using markers or anything else without showing any icon. I want to show text only and be able to style and rotate it... Any suggestion?
Thanks a lot
...
0
votes
1answer
56 views
QuantumGIS EPSG:3857 doesn't match with leaflet
Leaflet documentation said that they has EPSG:3857 as default projection.
Using QGIS with open layer plugin, I point to a location to find it's coordinate.
I used EPSG:3857 in QGIS as well.
The ...
0
votes
1answer
39 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', ...
0
votes
1answer
161 views
Leaflet offline tiles problem
I hate to ask this kind of questions, but i ve been stuck for 2 days now:
I rendered some tiles with mapnik which i want to serve in my offline application which will run from a portable disk, but ...
0
votes
1answer
108 views
Leaflet Polyline with custom fill pattern
I'm drawing Lines with leaflet.js an have to create custom styled polylines.
So i got various image files which should be like a repeated background image in HTML.
So is it possible to give a drawn ...
0
votes
1answer
78 views
label for circle marker in leaflet
I am able to add label to circlemarker like this
L.circleMarker(points[i],{title: 'unselected'}).bindLabel('Destination').addTo(map);
This adds label which appears on mouse hover on circle marker.
...
0
votes
1answer
77 views
leaflet geojson contextmenu
I want to add a context menu on right click for various elements on my geojson layer (I'm doing a road map so on a right click on the road at any part I want to show the context menu).
I've managed ...
0
votes
1answer
79 views
How to properly use PostGIS with Maps
First time using PostGIS in an app.
Target:
- Get Heat Map of customers from address table using leaflet.js and heatmap.js
Have DB called store_dev.
Installed OSM Bright from Mapbox in it.
Have a ...
4
votes
0answers
77 views
How to download Leaflet vectors in GPX format?
I would like to use the leaflet.draw plugin to allow users to digitize vectors on the map. At the end the data should be downloadable as a GPX-file.
Is there any sample that shows how this can be ...
3
votes
0answers
106 views
Is it possible to create filters based on attributes for markers in Leaflet?
I need to create filters based on attributes of markers. I have markers defined this way:
var locations = [
['AB11 5HW','17','A',57.147701,-2.085442 ] ,
['AB11 8DG','3','B',57.129372,-2.090916 ] ...
3
votes
0answers
330 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
283 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 ...
2
votes
0answers
255 views
Projecting point in Leaflet from EPSG 900913 (same as 3857) to EPSG 2232 with proj4js returning unexpected results
I have a leaflet map from which I want to be able to query an api that accepts x y values in EPSG 2232 as inputs. Leaflet doesn't handle point transformations like Open Layers does so I am trying to ...
2
votes
0answers
208 views
Problem with multipolygon in Leaflet
I'm using Leaflet L.Polygon, but for some reason there's only blank site. Here's my code:
var map = L.map('map').setView([37.8, -96], 4);
var cloudmade = ...
2
votes
0answers
98 views
How do I format tilelayer.wms url properties such that I add an overlay iteratively to my base map in leaflet
My base map was created using hard-coded template variables. I am using the leaflet tilelayer.wms constructor and including the url like so:
url: ...
2
votes
0answers
177 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
0answers
729 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 ...
1
vote
0answers
32 views
Point Within, Query in a buffer polygon in WMS like in ArcGIS ESRI
I need to do a query to filter the result inside a polygon or geometry, like this:
http://help.arcgis.com/en/webapi/javascript/arcgis/jssamples/query_buffer.html
But, i need to do this in a opengeo ...
1
vote
0answers
21 views
Updating leaflet variable using dajax?
Really, I think this a somewhat easy question for someone with some more experience in javascript programming.
I have a Django app to map some locations using leaflet. I'm using dajax for some on ...
1
vote
0answers
54 views
Creating polygons for a choropleth map using PostGIS
I have a grid of points, each with a value to it as shown in the image below. The data was retrieved from PostGIS and rendered in Quantum GIS. The final result should be a polygons of a choropleth map ...
1
vote
0answers
80 views
Leaflet: Linking a marker click event to an image
I'm breaking down my question into three parts. I am a beginner to Leaflet and to writing code. Currently, I have a JSON file with all of my markers linked to my map page. The idea is that every ...
1
vote
0answers
221 views
How to render points from CartoDB with Leaflet and Leaflet Vector Layers?
I have a table in CartoDB containing some points. I want to render these points dynamically with Leaflet. There is cartodb.js for such tasks, but it does not support full customization of Tooltips, as ...
1
vote
0answers
354 views
Having issues getting Leaflet “L.tileLayer.wms” to display Geoserver WMS data
I've set up Geoserver and WMS capabilities to host some weather data files (satellite data for example). Here's an example file:
...
1
vote
0answers
138 views
Raster Over Layer in Leaflet from GeoServer
I want to add a raster over layer onto the base layer and the raster layer is published by a Geoserver WMS. I set the raster layer's geographic coordinate system as the same as the cloudmate tiles. ...
1
vote
0answers
171 views
Allowing Add/Delete/Update of features (web application): OpenLayers + WFS and GeoServer?
I've developed a WPF application that has a custom SQL Server database and uses the Esri ArcGIS WPF API to allow users to view, edit and query shapes (features) on a custom map. Maps are created from ...
1
vote
0answers
107 views
When I try to do a WMS request to geoserver using the leaflet API I am getting a format related error
This XML file does not appear to have any style information associated with it. The
document tree is shown below.
<ows:ExceptionReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
...
1
vote
0answers
208 views
Leaflet markers do not open popup on click (with markerclusterer)
I just started using Leaflet and Marker Clusterer to organize the markers.
Problem #1: When an unclustered marker is clicked, no popup appears.
Problem #2: When a cluster is clicked several times, ...
1
vote
0answers
128 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 = ...
0
votes
0answers
17 views
Finding Leaflet Map Tiles for Rivers
I'm building a map-based web app with Leaflet that focuses on the Danube river. I'm trying to find map tiles for the river to use as an overlay in my application, but I can't seem to find any services ...
0
votes
0answers
28 views
How do I add elevation data to a GeoJSON line from a GPX file?
I understand that elevation can be added as an optional third value in Coordinates (lat, long, elev) in a geojson file, but I can't find a way to actually do that from a gpx file. I've used ogr2ogr to ...
0
votes
0answers
43 views
Show UTFGrid from a local map in MBtiles
Good afternoon:
I have created a map using TileMill, exported it to MBTiles and uploated it to MapBox.
I want to show the map and its UTFGrid using Leaflet and Openlayers.
With this code, I can do ...
0
votes
0answers
52 views
Reset style on select Leaflet polyline
Using Leaflet, how can I reset a polyline to it's previous color after it was selected? I have the following function that has been applied to each polyline when constructed:
function ...
0
votes
0answers
62 views
Use leaflet draw plugin with mobile application
I am working on an Android project using leaflet to show a map, but I also want to add drawing features to my application. I found the leaflet draw plugin, but it's not really designed for mobile ...
0
votes
0answers
79 views
Reprojecting coordinates and geoJSON in leaflet
I have a Leaflet map in default projection and a wms layer also in default (web mercator) projection. I would like to add polylines and a geoJSON layer to my map, but the coordinates are in EPSG4326. ...
0
votes
0answers
139 views
create polylines with different colors in leaflet
I have one function which creates poly line & adds that polyline to map
function makeRoute(e)
{
if(pointsSelection.length > 0)
{
pointsSelection.push(e.target.getLatLng());
...
0
votes
0answers
199 views
Leaflet L.LayerGroup and Legend for individual layer
I am using Leaflet.js and MapQuest maps; added base layer and added more than one layer using L.LayerGroup() after adding those layers using map.addLayer(LayerGroup); trying to add Legend for ...
0
votes
0answers
97 views
How to load EPSG:102067 wms layer with leaflet?
I'm trying to display a wms layer located at http://geoportal.cuzk.cz/WMS_ZM200_PUB/WMService.aspx in EPSG:102067 with Leaflet + Leaflet Proj4JS. I followed the example given at git repository, but ...
0
votes
0answers
101 views
jQuery Templates with Leaflet
Is it possible to render a template like jsRender to a div created with Leaflet's .create method as follows?
info.onAdd = function (map) {
this._div = L.DomUtil.create('div', 'info');
...
0
votes
0answers
100 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. ...
0
votes
0answers
204 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 ...
0
votes
0answers
64 views
How do I determine programmatically what values to add to the proj4js constructor for a CRS or SRS such that I can iteratively render proper overlays
I think this is primarily a GIS based question as far as for example:
var crs = L.CRS.proj4js('EPSG:2154',
'+proj=lcc +lat_1=49 +lat_2=44 +lat_0=46.5 +lon_0=3 +x_0=700000 ...
