I'm currently successfully displaying multiple layers using OpenLayers (Vector and WMS). My application allow the user to modify some parameters, which will : * modify bound * modify map center * modify the WMS image I use Ajax to avoid page relo...

I am developing a web portal with maps that consist of multiple layers, such as cities, rivers, names of various geographical areas and similar. But I have a dilemma regarding how to approach the development of the web portal. I will try to explain t...

I am using layer xdk for chat in my website.However i can not find component that shows number of unread message from sender in layer-conversation-list . I have tried with document.body.addEventListener('layer-message-notification', function(...

I want to  add a double click event to delete a feature. Though this code work well, there has a problem: the map couldn't refresh, the feature still in the map, until i double click next. How should i do?  _createDoubleSelectControl: function()...

is any way to retrieve the name of a layer group only for the name on a inner layer? i ask this because i'm trying to trim all the content of a folder with a specific layer inside, any help please?...

I have a function who retrieves a JSON with earthquakes data, that I add to a Leaflet map, that retrieves the JSON again after 10 seconds (for refreshing data):  function fetchQuake() {         fetch('https://earthquake.usgs.gov/earthquakes/feed/...

I have some partly transparent tile layers for features on the map that would cost too much runtime performance drawn as vectors.  To order my layers, I use setZIndex on them. But it seems like a constraint that GeoJson layers are drawn on top of til...

I'm writing a game in javascript, and I want my character to mave under blocks (isometric png images) instead of simply sliding through them. Is there a way to dynamically change my character's position in the html as he moves up and down lay...

My goal is to take a specific layer , and show it only within a selected polygon, to save loading time and make the client side more efficient (with the whole layers the page barely responds, keeps stuck all the time).  const queryLayer = (layer, lim...

fabric.Object.prototype.objectCaching = false; var canvasBackground = new fabric.Canvas('backgroundcanvas'); var canvas = new fabric.Canvas('paintcanvas'); var canvas_2 = new fabric.Canvas('paintcanvas_2'); var canvas_3 = ne...