Has anybody else problems loading tiles from “USGS Topo” in JOSM?
When I enable USGS-Topo-Layer mostly I get “Error: No tile at this zoom level” (regardles how far I zoomed). Then after some time I sometimes get a very pixelated version of the “low reselution” topo map tiles (1:30000 I think). After zooming and panning sometimes tiles from the “high res” version (1:15000) are loading but already displayed pixelated tiles won’t update or refresh (even when forced by rightclick).
When I check the tile-info and try to open the given tile-URL manualy (e.g. http://b.tile.openstreetmap.us/usgs_scanned_topos/14/2814/6386.png)) I’ll get an error-PNG saying ‘The gaphic: “http://b.tile.openstreetmap.us/usgs_scanned_topos/14/2814/6386.png” can’t be displayed because it contains errors.’
Has anybody else seen this?