def __init__(self, plugin, layerDef, creditVisibility=1):
QgsPluginLayer.__init__(self, TileLayer.LAYER_TYPE, layerDef.title)
self.plugin = plugin
self.iface = plugin.iface
self.layerDef = layerDef
self.creditVisibility = 1 if creditVisibility else 0
self.tiles = None
# set attribution property
self.setAttribution(layerDef.attribution)
# set custom properties
self.setCustomProperty("title", layerDef.title)
self.setCustomProperty("credit", layerDef.attribution)
self.setCustomProperty("serviceUrl", layerDef.serviceUrl)
self.setCustomProperty("yOriginTop", layerDef.yOriginTop)
self.setCustomProperty("zmin", layerDef.zmin)
self.setCustomProperty("zmax", layerDef.zmax)
if layerDef.bbox:
self.setCustomProperty("bbox", layerDef.bbox.toString())
self.setCustomProperty("creditVisibility", self.creditVisibility)
# set crs
if plugin.crs3857 is None:
# create a QgsCoordinateReferenceSystem instance if plugin has no instance yet
plugin.crs3857 = QgsCoordinateReferenceSystem(3857)
self.setCrs(plugin.crs3857)
# set extent
if layerDef.bbox:
self.setExtent(BoundingBox.degreesToMercatorMeters(layerDef.bbox).toQgsRectangle())
else:
self.setExtent(QgsRectangle(-layerDef.TSIZE1, -layerDef.TSIZE1, layerDef.TSIZE1, layerDef.TSIZE1))
# set styles
self.setTransparency(0)
self.setBlendModeByName(self.DEFAULT_BLEND_MODE)
self.setSmoothRender(self.DEFAULT_SMOOTH_RENDER)
# downloader
self.maxConnections = HonestAccess.maxConnections(layerDef.serviceUrl)
self.cacheExpiry = QSettings().value("/qgis/defaultTileExpiry", 24, type=int)
self.userAgent = "QGIS/{0} TileLayerPlugin/{1}".format(QGis.QGIS_VERSION, self.plugin.VERSION) # will be overwritten in QgsNetworkAccessManager::createRequest() since 2.2
self.downloader = Downloader(self, self.maxConnections, self.cacheExpiry, self.userAgent)
# TOS violation warning
if HonestAccess.restrictedByTOS(layerDef.serviceUrl):
QMessageBox.warning(None,
u"{0} - {1}".format(self.tr("TileLayerPlugin"), layerDef.title),
self.tr("Access to the service is restricted by the TOS. Please follow the TOS."))
# multi-thread rendering
if self.iface:
self.statusSignal.connect(self.showStatusMessageSlot)
self.messageBarSignal.connect(self.showMessageBarSlot)
self.setValid(True)
def readXml(self, node):
self.readCustomProperties(node)
self.layerDef.title = self.customProperty("title", "")
self.layerDef.attribution = self.customProperty("credit", "")
if self.layerDef.attribution == "":
self.layerDef.attribution = self.customProperty("providerName", "") # for compatibility with 0.11
self.layerDef.serviceUrl = self.customProperty("serviceUrl", "")
self.layerDef.yOriginTop = int(self.customProperty("yOriginTop", 1))
self.layerDef.zmin = int(self.customProperty("zmin", TileDefaultSettings.ZMIN))
self.layerDef.zmax = int(self.customProperty("zmax", TileDefaultSettings.ZMAX))
bbox = self.customProperty("bbox", None)
if bbox:
self.layerDef.bbox = BoundingBox.fromString(bbox)
self.setExtent(BoundingBox.degreesToMercatorMeters(self.layerDef.bbox).toQgsRectangle())
# layer style
self.setTransparency(int(self.customProperty("transparency", 0)))
self.setBlendModeByName(self.customProperty("blendMode", self.DEFAULT_BLEND_MODE))
self.setSmoothRender(int(self.customProperty("smoothRender", self.DEFAULT_SMOOTH_RENDER)))
self.creditVisibility = int(self.customProperty("creditVisibility", 1))
# max connections of downloader
self.maxConnections = HonestAccess.maxConnections(self.layerDef.serviceUrl)
return True
