I've been searching but cannot seem to find a solution.  I have a GeoJSON file which is 170mb in size. It contains about 2500 polygons. Somehow I need to render it to a leaflet map. Evidently at that size I have no chance.  What will the easiest...
When online access to the internet is not possible, I would like the (offline) HTML5 app show an OSM map via an OSM file.   Can you give an example of how I can show in an offline Html5 app OSM tiles that are loaded from an offline OSM map file like...
I want to set "EPSG:4326" as the projection of an OpenLayers map, but when I try it, I always get "EPSG:900913".  function init() {      var options = {             projection: new OpenLayers.Projection("EPSG:4326")  // ignore...
In my SPA i want to inlcude openstreetmap via OpenLayer per JavaScript. This works fine. But how can i change the map type to the Hike&Bike Map like here: http://hikebikemap.de/ ?  currently i am using the following code:  var zoom            = 1...
How can I add two or more layers in a group so that I can see them in layerswitcher categorised and can select or unselect all !? Here is the code I have:              var line_1 = new OpenLayers.Layer.Vector(" Line no - 1", {...
I'm trying to understand how can I display markers/popups on osm map with openlayers3, I have found examples in examples on ol3 web page, but...  Is there more examples for coding markers/popups with javascript or jquery, preferably something lik...
Hey im new to electron but i want to use Leaflet inside it to some magic mapping stuff.  I created an basic electron application with the index.js according to the basic example. I added also an basic index.hetml:  <!DOCTYPE html> <html>...
I have a shapes file from here. I wish to add it on a Map, similar to what is done on the web page. I am not quite sure how to proceed with it. I want to use it on Web and hence use JavaScript.  Someone suggested me to use the shapes file as a Layer...
I'm trying to show a map with lot of markers on it (~36.000) that have to contains some informations.   First, I SELECT elements from a database, then I encode it in JSON array with PHP, then I get it with JSS and finally I add it to my map, and...
I'm using the open source Leaflet.js library to create a simple map.  I'm trying to solve a specific problem though. Markers are tied to a specific lat/lng on a map, which makes sense, but I need to be able to make a marker have a fixed offse...

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