本文整理匯總了Python中qgis.gui.QgsGenericProjectionSelector.selectedCrsId方法的典型用法代碼示例。如果您正苦於以下問題：Python QgsGenericProjectionSelector.selectedCrsId方法的具體用法？Python QgsGenericProjectionSelector.selectedCrsId怎麽用？Python QgsGenericProjectionSelector.selectedCrsId使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類qgis.gui.QgsGenericProjectionSelector的用法示例。
在下文中一共展示了QgsGenericProjectionSelector.selectedCrsId方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: onSpecifyCRS
# 需要導入模塊: from qgis.gui import QgsGenericProjectionSelector [as 別名]
# 或者: from qgis.gui.QgsGenericProjectionSelector import selectedCrsId [as 別名]
def onSpecifyCRS(self):
selector = QgsGenericProjectionSelector(self)
selector.setMessage("Specify CRS of the mesh file")
selector.setSelectedCrsId(self.layer.crs().srsid())
if selector.exec_():
self.crs = QgsCoordinateReferenceSystem(selector.selectedCrsId(), QgsCoordinateReferenceSystem.InternalCrsId)
self.updateEditCRS()示例2: browseCRS
# 需要導入模塊: from qgis.gui import QgsGenericProjectionSelector [as 別名]
# 或者: from qgis.gui.QgsGenericProjectionSelector import selectedCrsId [as 別名]
def browseCRS(self):
selector = QgsGenericProjectionSelector()
selector.setSelectedAuthId(self.crs)
if selector.exec_():
authId = selector.selectedAuthId()
if authId.upper().startswith("EPSG:"):
self.crs = authId
else:
proj = QgsCoordinateReferenceSystem()
proj.createFromSrsId(selector.selectedCrsId())
self.crs = proj.toProj4()
self.updateText()示例3: openSystem
# 需要導入模塊: from qgis.gui import QgsGenericProjectionSelector [as 別名]
# 或者: from qgis.gui.QgsGenericProjectionSelector import selectedCrsId [as 別名]
def openSystem(self):
projSelector = QgsGenericProjectionSelector()
projSelector.exec_()
a = projSelector.selectedCrsId()
b = projSelector.selectedAuthId()
if b == '':
QMessageBox.information(None, self.tr("Warning"), self.tr("Attention no Reference System selected"))
else:
self.numEPGS = int(str(b).split(':')[1])
self.setSistemaRiferimento()
self.label_sr.setText(self.tr("Reference System Loaded: ") + b)
self.label_sr.show()示例4: on_pbnCrs_pressed
# 需要導入模塊: from qgis.gui import QgsGenericProjectionSelector [as 別名]
# 或者: from qgis.gui.QgsGenericProjectionSelector import selectedCrsId [as 別名]
def on_pbnCrs_pressed(self):
selector = QgsGenericProjectionSelector(self)
selector.setMessage();
if self.layerCrs.description():
selector.setSelectedCrsId( self.layerCrs.srsid() );
elif self.selectedCrs.description():
selector.setSelectedCrsId( self.selectedCrs.srsid() );
if selector.exec_():
self.selectedCrs.createFromId( selector.selectedCrsId(), QgsCoordinateReferenceSystem.InternalCrsId );
self.ui.cboCrs.setCurrentIndex(2)
if self.selectedCrs.description():
self.ui.cboCrs.setItemText(2,
self.tr( "Selected" ) + " (%s, %s)" % (self.selectedCrs.description(), self.selectedCrs.authid()) )
else:
self.ui.cboCrs.setItemText(2, self.tr("Selected (None)"))示例5: outProjFile
# 需要導入模塊: from qgis.gui import QgsGenericProjectionSelector [as 別名]
# 或者: from qgis.gui.QgsGenericProjectionSelector import selectedCrsId [as 別名]
def outProjFile(self):
header = "Define layer CRS:"
sentence1 = self.tr("Please select the projection system that defines the current layer.")
sentence2 = self.tr("Layer CRS information will be updated to the selected CRS.")
projSelector = QgsGenericProjectionSelector(self)
projSelector.setMessage("<h2>%s</h2>%s <br/> %s" % (header, sentence1, sentence2))
if projSelector.exec_():
self.crs = QgsCoordinateReferenceSystem(projSelector.selectedCrsId(), QgsCoordinateReferenceSystem.InternalCrsId)
print "AUTHID", projSelector.selectedAuthId()
if len(projSelector.selectedAuthId()) == 0:
QMessageBox.information(self, self.tr("Export to new projection"), self.tr("No Valid CRS selected"))
return
else:
self.txtProjection.clear()
self.txtProjection.insert(self.crs.authid() + " - " + self.crs.description())
else:
return