Images in PopUp (opens in a new tab) or more then one custom layer

Dear Community,

I am using uMap to study historical maps and spatial aspects of history. Unfortunately it is only possible to have one custom overlay, so I am working with layers and polygons to show more maps of the same region.

Here my umap: http://u.osmfr.org/m/956868/

It would be great if the image in the popup of the polygons could be linked to new tab in which the map could be seen as full image. I found an uMap in which this feature is possible: http://u.osmfr.org/m/397066/ and have been wondering how to do this. I already experimented with "Link to..." an "Open link in another window" but than the popup isn't shown anymore and I need both, the popup with the information and the the image in a new tab.

Has anyone an idea how the user of http://u.osmfr.org/m/397066/ have done this?

Thanks in advance!

This question is marked "community wiki".

asked 18 Jan, 11:49

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Hypatiana
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