on February 21, 2023

How do I determine the center point of several features in OpenLayers?

Geographic Information Systems

How do I select features in OpenLayers?

Example of using the Select interaction. Choose between Single-click , Click , Hover and Alt+Click as the event type for selection in the combobox below. When using Single-click or Click you can hold the Shift key to toggle the feature in the selection.

How do I add a marker in OpenLayers?

How to create a simple map (with a marker) using OpenLayers ?

  1. Put a element where you want your map to be.
  2. Now you can add a

How do I make a place marker?

Add a place

  1. On your computer, sign in to My Maps.
  2. Open or create a map. A map can have up to 10,000 lines, shapes, or places.
  3. Click Add marker .
  4. Select a layer and click where to put the place. A layer can have 2,000 lines, shapes, or places.
  5. Give your place a name.
  6. Click Save.


How do you insert a marker?

Click the Insert icon. Choose Comment from the Marker type box. Type your comment in the Marker Text text box and click New Marker.

How do I select features in Qgis?

You can obtain the options for selecting by going to “View” in the menu, and then choosing the “Select” option from the drop-down menu. You can also obtain the options by selecting the “Select Features” icon on your menu.

Which options are available in layer menu?

Layer Menu



  • Create Workspace File from Selected Layer(s)
  • Export Layer(s) to New File.
  • Add Selected Layer(s) to Map Catalog.
  • Calculate/ Copy Attribute Value(s)...
  • Join Attribute Table/ File to Layer.
  • Split Into Separate Layers Based on Attribute Value.
  • Create Layer Coverage Box/ Polygon Area Features.

Which menu contains the layers option to open Layers palette *?

Open the Layers palette: right-click on the toolbar and select Layers from the dropdown menu, from the View menu, select Palettes > Layers.