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Nuanda / smogmapper

Smog Mapper
http://smogmapper.smogathon.pl/
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Sensors are dissapearing #41

Closed mkasztelnik closed 8 years ago

mkasztelnik commented 8 years ago

Try to zoom in/out couple of times. As a result sensors will (all or partially) disappear. This bug exists in current production deployment and also in master - no error in JS console.

Nuanda commented 8 years ago

Can't reproduce on my devices.

Can you test it with fewer (e.g. 30) sensors/markers? Does the problem show then?

Also, can you hook into zoom events and print out the number of markerLayer group getLayers() elements? If this stays constant then it might be some kind of leaflet's internal issue :(.

Nuanda commented 8 years ago

I think I was able to reproduce that on IE Edge Win 10. In my case it looks like only the "inner" set of markers are shown - as if leaflet thinks the boundaries of the visible map are much narrower than they really are (esp. the north boundary, in my case). It happens after a lot of zooming in/out. What is strange, after playing a bit more with the map, the issue is "fixed" and again all markers are visible.