I'm trying to use the new (ES6) Map objects in order to represent a map between properties and a value.  I have objects in a form similar to:   {key1:value1_1,key2:value2_1},..... {key1:value1_N,key2:value2_N}   I want to group them based on both...
I have the following bit of code to select some divs and add a click handler on them  var tiles = document.getElementsByClassName("tile");  tiles.map(function(tile, i){     tile.addEventListener("click", function(e){         console.l...
Been trying to create a custom google map, i've written the code but something isn't quite right, wondered if anyone could point out what I've done wrong. Code is here:  <script type="text/javascript">   function initialize(...
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...
I am creating a map of a particular state, I have been experimenting with d3.js and topojson and have created a great map, but now I want to add a marker on the map.  But now I have problems because as I add the marker have a GeoJSON file to add mark...
I have map. On the top of map layer have a polygon A and circle B. They are intersected each others. Any algorithm can calculate the area of intersection C ?...
I am looking for a way to represent some data points into a 'thermal map' (500x500).  Data array:  "data": [     {        "x": 120,        "y": 350,        "temperature": 90     },     {        "x": 300...
How can i do something like this:    var a = [1,2,3,4]; a.map(Date.constructor);   This code throws an Error on Google V8:    SyntaxError: Unexpected number   I'am also tried:    a.map(Date.constructor, Date.prototype)   with the same result....
I would like to have some points defined in the map and would like to join the 2 points by clicking on them. Basically, the functionality is to identify the locations in the map and connect them by a single line. For some reason, I am not able to use...

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