Drag/Drop
Evidently the Learn Lab computers don’t like dragging/dropping data links onto uDig. A workaround (for when you’re asked to drag a link from a web browser onto uDig)…
1. copy the link (rather than dragging it
2. in uDig, choose Layer: Add… : Web Map Server
3. paste that URL (it’s a getCapabilities link, with which you are [...]