observations with same lat/lon are now spiderfied (see screenshot below)
spiderfying disappears while zooming out/in, moving the background map or clicking anywhere else
spiderfying disappears while clicking on another marker not belonging to the spiderfied group. This action willl open a new spider group if it is the case or just the correpsondent pop up.
Spiderfying is applied to all observations layers, i.e. new observations, historic observations and absences (still empty).
A technical detail to take in mind: the OverlappingMarkerSpiderfier library is designed to work with L.marker instances, not L.circleMarker. So, I needed to add a circle-like custom icon to css style.
This PR solves #288
In particular:
A technical detail to take in mind: the OverlappingMarkerSpiderfier library is designed to work with L.marker instances, not L.circleMarker. So, I needed to add a circle-like custom icon to css style.
New observations
Historic observations