def readXml(self, node):
self.readCustomProperties(node)
self.layerDef.title = self.customProperty("title", "")
self.layerDef.credit = self.customProperty("credit", "")
if self.layerDef.credit == "":
self.layerDef.credit = 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", LayerDefaultSettings.TRANSPARENCY)))
self.setBlendModeByName(self.customProperty("blendMode", LayerDefaultSettings.BLEND_MODE))
self.setSmoothRender(int(self.customProperty("smoothRender", LayerDefaultSettings.SMOOTH_RENDER)))
self.creditVisibility = int(self.customProperty("creditVisibility", 1))
self.setGrayscaleRender(int(self.customProperty("grascaleRender", LayerDefaultSettings.GRAYSCALE_RENDER)))
self.setBrigthness(int(self.customProperty("brigthness", LayerDefaultSettings.BRIGTNESS)))
self.setContrast(float(self.customProperty("contrast", LayerDefaultSettings.CONTRAST)))
return True
def __init__(self, layerDef, creditVisibility=1):
QgsPluginLayer.__init__(self, TileLayer.LAYER_TYPE, layerDef.title)
self.layerDef = layerDef
self.creditVisibility = 1 if creditVisibility else 0
# set custom properties
self.setCustomProperty("title", layerDef.title)
self.setCustomProperty("credit", layerDef.credit) # TODO: need to remove
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 standard/custom crs
self.setCrs(self.CRS_3857)
try:
crs = None
if layerDef.epsg_crs_id is not None:
crs = QgsCoordinateReferenceSystem(layerDef.epsg_crs_id, QgsCoordinateReferenceSystem.EpsgCrsId)
if layerDef.postgis_crs_id is not None:
crs = QgsCoordinateReferenceSystem(layerDef.postgis_crs_id, QgsCoordinateReferenceSystem.PostgisCrsId)
if layerDef.custom_proj is not None:
# create form proj4 str
custom_crs = QgsCoordinateReferenceSystem()
custom_crs.createFromProj4(layerDef.custom_proj)
# try to search in db
searched = custom_crs.findMatchingProj()
if searched:
crs = QgsCoordinateReferenceSystem(searched, QgsCoordinateReferenceSystem.InternalCrsId)
else:
# create custom and use it
custom_crs.saveAsUserCRS('quickmapservices %s' % layerDef.title)
searched = custom_crs.findMatchingProj()
if searched:
crs = QgsCoordinateReferenceSystem(searched, QgsCoordinateReferenceSystem.InternalCrsId)
else:
crs = custom_crs
if crs:
self.setCrs(crs)
except:
msg = self.tr("Custom crs can't be set for layer {0}!").format(layerDef.title)
self.showBarMessage(msg, QgsMessageBar.WARNING, 4)
if layerDef.bbox:
self.setExtent(BoundingBox.degreesToMercatorMeters(layerDef.bbox).toQgsRectangle())
else:
self.setExtent(QgsRectangle(-layerDef.TSIZE1, -layerDef.TSIZE1, layerDef.TSIZE1, layerDef.TSIZE1))
self.setValid(True)
self.tiles = None
self.useLastZoomForPrint = False
self.canvasLastZoom = 0
self.setTransparency(LayerDefaultSettings.TRANSPARENCY)
self.setBlendModeByName(LayerDefaultSettings.BLEND_MODE)
self.setSmoothRender(LayerDefaultSettings.SMOOTH_RENDER)
self.setGrayscaleRender(LayerDefaultSettings.GRAYSCALE_RENDER)
self.setBrigthness(LayerDefaultSettings.BRIGTNESS)
self.setContrast(LayerDefaultSettings.CONTRAST)
self.transparency = 1
# downloader
self.downloader = Downloader(self)
self.downloader.userAgent = "Mozilla/5.0"
self.downloader.default_cache_expiration = 24
self.downloader.max_connection = 4
self.downloader.replyFinished.connect(self.networkReplyFinished)
#network
self.downloadTimeout = 60000
# multi-thread rendering
self.eventLoop = None
self.fetchRequest.connect(self.fetchRequestSlot)
if iface:
self.showMessage.connect(self.showStatusMessageSlot)
self.showBarMessage.connect(self.showBarMessageSlot)
