Refresh layers

Sometimes when you open a spreadsheet with layers that you have saved before, the layer control might appear like this:

Note that the triangle  which shows that there are multiple layers is not appearing, even though there are multiple layers in this workbook.

This is connected to a refresh issue and the quickest way to get your layers appearing, is to click on the graphics area (map area) and to mouse wheel in and out, thereby zooming in and out.

To recap, you:

1.) click once on the map area.

2.) zoom in (mouse wheel in)

3.) zoom out (mouse wheel out)

and then you will see the triangle appearing and you click this triangle to see your layers: