I'm using openlayers v5.3.0, and actually loading a map with many markers (in the snippet are a small subset, in my code there are thousands).  What i want to do is to customized those markers, styling them with differents colors and text.  How c...

I did some research on labeled markers with OpenLayers 5.3. Unfortunately, I didn't get the text to work. I inserted text to the feature object. The marker with it's image is visible and works as expected, but it doesn't show any text.  H...

I am trying to change the opacity of a multipolygon feature on mouseover. I am able to get the feature on mouseover and change the style but am unable to animate the process of the opacity going from 0.3 to 0.8 for example.   I have read through the...

I have a feature on the map in openlayers, my requirement is to allow the user to remove the feature by right click.  Here is the reference screenshots :       When user clicks on "Remove", the feature should be removed. If user clicks else w...

firstly I'm new to Openlayers/JS as a whole and fairly inexperienced with programming in general so there might be other problems with my code that I'm not aware of.   I am using the latest version of Openlayers (5.3.0).  My program currently...

I have a polygon feature in OpenLayers 5. It has some random id which I need to show at the center of the polygon slightly right aligned.  I have used the ol.style.Text() style to display the id on polygon. I can manage the alignment using the offset...

I'm trying to add a VectorLayer to an existing TileLayer, so I can place ol.geom.Point to mark places of interest.  Originally this worked how I wanted - the points of interest were drawn on the TileLayer exactly where they should.  Since then I&...

I would like to use the latest version of OpenLayers (5.3) in small project. The requirements are:   no Node.js - I will be running thing on the site hosted on IIS, simple HTML files scripts need to be written in TypeScript ES5   I've read a lot...

I have a working map generated by this code:  // create the map with the proper center var map = new ol.Map({         controls: ol.control.defaults().extend(             [new ol.control.ScaleLine()]         ),         view: new ol.View({...

I want to add an images like vector feature to map. Now I use this code:  const format = new WKT() for (let i=0; i<previews.length; i++)     let vectorFeature = format.readFeature(previews[i].polygon, {          dataProjection: 'EPSG:4326'...