Questions tagged as 'openlayers-3'

Hello, I need to get the radius of a circle created in Openlayers 3. Does anyone know how to do it? Here has the example of the map with the possibility of creating the circles.     

I have a page that has a map of OpenLayers ( version 3 ). On this map, I have inserted some interactions, such as: Create and change polygons. Well, so far, all right. I create the polygons, which are saved in an array variable and at the s...

I'm learning how to use openlayers along with Angular 6, but one of the .on's OL event functions is not recognized by TS, is there any other way to do it without being in the conventional way? this.imagery.on('postcompose', function(event: ol....

Good afternoon, I have points on a map I want to generate a voronoi diagram on the points, and I want the limit of this voronoi diagram to be a polygon (the city), and once these polygons created would like to unite some between each other, I ne...

Hello, I'm studying the development of a map with the help of Openlayers 4, watching video lessons, I'm at the stage where I created a routine with 3 buttons (Pan, Draw, Erase) to draw on the map. However, when I click the Draw button, to create...

I'm starting in Openlayers and I'm having a problem visualizing polygons on maps. I have a set of polygons being returned from a query in the database (postgres / postgis). This set of polygons is passed via json by an ajax request to the fronte...