def set_layer(self, layer, applyvalues=True):
self.layer = layer
if applyvalues:
#check to make sure tiletype is in spinner. add if this is not true
index = self.maptypeSpinner.findData(layer.tiletype)
if index == -1:
self.add_custom_type(layer.tiletype, "imported from project")
self.autorefresh.setChecked(layer.autorefresh is True)
self.set_selected_type(layer.tiletype)
self.customUrl.setText("")
if not self.layer.specifiedzoom is None:
self.fixedZoom.setValue(self.layer.specifiedzoom)
self.hasFixedZoom.setChecked(True)
else:
if self.layer.actualzoom is None:
self.fixedZoom.setValue(tm.maxzoom(self.layer.tiletype))
else:
self.fixedZoom.setValue(self.layer.actualzoom)
if not self.layer.maxzoom is None:
self.maxZoom.setValue(self.layer.maxzoom)
self.hasMaxZoom.setChecked(True)
else:
self.maxZoom.setValue(tm.maxzoom(self.layer.tiletype))
self.set_summarystats()
else:
self.statusText.setText("")
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
