def zoom(self, widthpx, extll):
if self.specifiedzoom is None:
maxzoom = tm.maxzoom(self.tiletype) if self.maxzoom is None else self.maxzoom
autozoom = osm.autozoom(widthpx/(extll.xMaximum()-extll.xMinimum()))
return min(max((tm.minzoom(self.tiletype), autozoom)),
maxzoom)
else:
numtiles = len(osm.tiles(extll.xMinimum(), extll.xMaximum(),
extll.yMinimum(), extll.yMaximum(), self.specifiedzoom))
if numtiles > qosmsettings.get(qosmsettings.MAX_TILES):
log("too many tiles for fixed zoom layer!: %s" % numtiles)
self.rendererrors += 1
return None
else:
return self.specifiedzoom
def set_summarystats(self):
numtiles = len(self.layer.loadedlayers)
zoom = self.layer.actualzoom if self.layer.specifiedzoom is None else \
self.layer.specifiedzoom
extent = self.iface.mapCanvas().extent()
crs = self.iface.mapCanvas().mapRenderer().destinationCrs()
widthpx = self.iface.mapCanvas().width()
extll = osm.unproject(extent, crs)
calczoom = osm.autozoom(widthpx/(extll.xMaximum()-extll.xMinimum()))
layerzoom = calczoom if zoom is None else zoom
numtilestot = len(osm.tiles(extll.xMinimum(), extll.xMaximum(),
extll.yMinimum(), extll.yMaximum(), layerzoom))
self.statusText.setText("Loaded %s of %s tiles at zoom level %s (automatic zoom would be %s). \
%s rendering errors (see QOSM Settings/Logs for more details)." %
(numtiles, numtilestot, zoom, calczoom, self.layer.rendererrors))
