mirror of
https://github.com/qgis/QGIS.git
synced 2025-04-14 00:07:35 -04:00
fTools: option to select create new shape or update existing layer when
exporting geometry column
This commit is contained in:
Alexander Bruy
parent
8fda99366b
commit
42617a0721
@ -48,6 +48,9 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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QObject.connect( self.toolOut, SIGNAL( "clicked()" ), self.outFile )
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if self.myFunction == 1:
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QObject.connect( self.inShape, SIGNAL( "currentIndexChanged( QString )" ), self.update )
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elif self.myFunction == 5:
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QObject.connect( self.chkWriteShapefile, SIGNAL( "stateChanged( int )" ), self.updateGui )
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self.updateGui()
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self.manageGui()
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self.success = False
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self.cancel_close = self.buttonBox_2.button( QDialogButtonBox.Close )
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@ -67,7 +70,7 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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if self.inShape.currentText() == "":
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QMessageBox.information( self, self.tr( "Geometry" ),
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self.tr( "Please specify input vector layer" ) )
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elif self.outShape.text() == "":
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elif self.outShape.text() == "" and self.myFunction != 5:
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QMessageBox.information( self, self.tr( "Geometry" ),
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self.tr( "Please specify output shapefile" ) )
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elif self.lineEdit.isVisible() and self.lineEdit.value() < 0.00:
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@ -80,7 +83,7 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.outShape.clear()
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self.geometry( self.inShape.currentText(), self.lineEdit.value(), self.cmbField.currentText() )
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def outFile(self):
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def outFile( self ):
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self.outShape.clear()
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(self.shapefileName, self.encoding) = ftools_utils.saveDialog( self )
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if self.shapefileName is None or self.encoding is None:
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@ -93,31 +96,33 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.lblCalcType.setVisible( False )
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self.cmbCalcType.setVisible( False )
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self.chkWriteShapefile.setVisible( False )
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if self.myFunction == 1: # Singleparts to multipart
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self.setWindowTitle( self.tr( "Singleparts to multipart" ) )
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self.lineEdit.setVisible( False )
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self.label.setVisible( False )
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self.label_2.setText( self.tr( "Output shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output shapefile" ) )
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self.cmbField.setVisible( True )
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self.lblField.setVisible( True )
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elif self.myFunction == 2: # Multipart to singleparts
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self.setWindowTitle( self.tr( "Multipart to singleparts" ) )
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self.lineEdit.setVisible( False )
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self.label.setVisible( False )
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self.label_2.setText( self.tr( "Output shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output shapefile" ) )
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elif self.myFunction == 3: # Extract nodes
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self.setWindowTitle( self.tr( "Extract nodes" ) )
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self.lineEdit.setVisible( False )
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self.label.setVisible( False )
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elif self.myFunction == 4: # Polygons to lines
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self.setWindowTitle( self.tr( "Polygons to lines" ) )
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self.label_2.setText( self.tr( "Output shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output shapefile" ) )
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self.label_3.setText( self.tr( "Input polygon vector layer" ) )
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self.label.setVisible( False )
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self.lineEdit.setVisible( False )
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elif self.myFunction == 5: # Export/Add geometry columns
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self.setWindowTitle( self.tr( "Export/Add geometry columns" ) )
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self.label_2.setText( self.tr( "Output shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output shapefile" ) )
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self.label_3.setText( self.tr( "Input vector layer" ) )
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self.label.setVisible( False )
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self.lineEdit.setVisible( False )
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@ -127,9 +132,13 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.cmbCalcType.addItem( self.tr( "Layer CRS" ) )
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self.cmbCalcType.addItem( self.tr( "Project CRS" ) )
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self.cmbCalcType.addItem( self.tr( "Ellipsoid" ) )
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self.chkWriteShapefile.setVisible( True )
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self.chkWriteShapefile.setChecked( False )
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self.lblOutputShapefile.setVisible( False )
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elif self.myFunction == 7: # Polygon centroids
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self.setWindowTitle( self.tr( "Polygon centroids" ) )
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self.label_2.setText( self.tr( "Output point shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output point shapefile" ) )
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self.label_3.setText( self.tr( "Input polygon vector layer" ) )
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self.label.setVisible( False )
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self.lineEdit.setVisible( False )
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@ -149,7 +158,7 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.lineEdit.setValue( 0 )
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elif self.myFunction == 11: #Lines to polygons
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self.setWindowTitle( self.tr( "Lines to polygons" ) )
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self.label_2.setText( self.tr( "Output shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output shapefile" ) )
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self.label_3.setText( self.tr( "Input line vector layer" ) )
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self.label.setVisible( False )
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self.lineEdit.setVisible( False )
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@ -158,10 +167,18 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.label_3.setText( self.tr( "Input layer" ) )
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self.label.setVisible( False )
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self.lineEdit.setVisible( False )
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self.label_2.setText( self.tr( "Output polygon shapefile" ) )
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self.lblOutputShapefile.setText( self.tr( "Output polygon shapefile" ) )
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self.resize( 381, 100 )
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self.populateLayers()
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def updateGui( self ):
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if self.chkWriteShapefile.isChecked():
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self.lineEdit.setEnabled( True )
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self.toolOut.setEnabled( True )
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else:
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self.lineEdit.setEnabled( False )
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self.toolOut.setEnabled( False )
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def populateLayers( self ):
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self.inShape.clear()
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if self.myFunction == 3 or self.myFunction == 6:
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@ -196,15 +213,23 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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else:
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vlayer = ftools_utils.getVectorLayerByName( myLayer )
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error = False
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check = QFile( self.shapefileName )
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if check.exists():
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if not QgsVectorFileWriter.deleteShapeFile( self.shapefileName ):
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QMessageBox.warning( self, self.tr( "Geometry"),
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self.tr( "Unable to delete existing shapefile." ) )
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return
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if ( self.myFunction == 5 and self.chkWriteShapefile.isChecked() ) or self.myFunction != 5:
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check = QFile( self.shapefileName )
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if check.exists():
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if not QgsVectorFileWriter.deleteShapeFile( self.shapefileName ):
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QMessageBox.warning( self, self.tr( "Geometry"),
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self.tr( "Unable to delete existing shapefile." ) )
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return
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if self.myFunction == 5 and not self.chkWriteShapefile.isChecked():
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self.shapefileName = None
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self.encoding = None
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self.buttonOk.setEnabled( False )
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self.testThread = geometryThread( self.iface.mainWindow(), self, self.myFunction, vlayer, myParam,
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myField, self.shapefileName, self.encoding, self.cmbCalcType.currentIndex() )
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self.testThread = geometryThread( self.iface.mainWindow(), self, self.myFunction,
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vlayer, myParam, myField, self.shapefileName, self.encoding,
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self.cmbCalcType.currentIndex(), self.chkWriteShapefile.isChecked() )
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QObject.connect( self.testThread, SIGNAL( "runFinished( PyQt_PyObject )" ), self.runFinishedFromThread )
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QObject.connect( self.testThread, SIGNAL( "runStatus( PyQt_PyObject )" ), self.runStatusFromThread )
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QObject.connect( self.testThread, SIGNAL( "runRange( PyQt_PyObject )" ), self.runRangeFromThread )
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@ -234,20 +259,24 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.tr( "Unable to delete incomplete shapefile." ) )
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else:
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if success == "valid_error":
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extra = self.tr("One or more features in the output layer may have invalid "
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+ "geometry, please check using the check validity tool\n")
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extra = self.tr( "One or more features in the output layer may have invalid "
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+ "geometry, please check using the check validity tool\n" )
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success = True
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self.cancel_close.setText( "Close" )
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QObject.disconnect( self.cancel_close, SIGNAL( "clicked()" ), self.cancelThread )
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if success:
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addToTOC = QMessageBox.question( self, self.tr("Geometry"),
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self.tr( "Created output shapefile:\n%1\n%2\n\nWould you like to add the new layer to the TOC?" ).arg( unicode( self.shapefileName ) ).arg( extra ),
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QMessageBox.Yes, QMessageBox.No, QMessageBox.NoButton )
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if addToTOC == QMessageBox.Yes:
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if not ftools_utils.addShapeToCanvas( unicode( self.shapefileName ) ):
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QMessageBox.warning( self, self.tr( "Geometry"),
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self.tr( "Error loading output shapefile:\n%1" ).arg( unicode( self.shapefileName ) ) )
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self.populateLayers()
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if ( self.myFunction == 5 and self.chkWriteShapefile.isChecked() ) or self.myFunction != 5:
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addToTOC = QMessageBox.question( self, self.tr("Geometry"),
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self.tr( "Created output shapefile:\n%1\n%2\n\nWould you like to add the new layer to the TOC?" ).arg( unicode( self.shapefileName ) ).arg( extra ),
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QMessageBox.Yes, QMessageBox.No, QMessageBox.NoButton )
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if addToTOC == QMessageBox.Yes:
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if not ftools_utils.addShapeToCanvas( unicode( self.shapefileName ) ):
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QMessageBox.warning( self, self.tr( "Geometry"),
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self.tr( "Error loading output shapefile:\n%1" ).arg( unicode( self.shapefileName ) ) )
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self.populateLayers()
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else:
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QMessageBox.information( self, self.tr( "Geometry" ),
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self.tr( "Layer '%1' updated" ).arg( self.inShape.currentText() ) )
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else:
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QMessageBox.warning( self, self.tr( "Geometry" ), self.tr( "Error writing output shapefile." ) )
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@ -258,7 +287,8 @@ class GeometryDialog( QDialog, Ui_Dialog ):
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self.progressBar.setRange( range_vals[ 0 ], range_vals[ 1 ] )
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class geometryThread( QThread ):
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def __init__( self, parentThread, parentObject, function, vlayer, myParam, myField, myName, myEncoding, myCalcType ):
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def __init__( self, parentThread, parentObject, function, vlayer, myParam,
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myField, myName, myEncoding, myCalcType, myNewShape ):
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QThread.__init__( self, parentThread )
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self.parent = parentObject
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self.running = False
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@ -269,6 +299,7 @@ class geometryThread( QThread ):
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self.myName = myName
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self.myEncoding = myEncoding
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self.myCalcType = myCalcType
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self.writeShape = myNewShape
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def run( self ):
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self.running = True
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@ -477,52 +508,98 @@ class geometryThread( QThread ):
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return True
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def export_geometry_info( self ):
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vprovider = self.vlayer.dataProvider()
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allAttrs = vprovider.attributeIndexes()
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vprovider.select( allAttrs )
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( fields, index1, index2 ) = self.checkGeometryFields( self.vlayer )
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writer = QgsVectorFileWriter( self.myName, self.myEncoding, fields,
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vprovider.geometryType(), vprovider.crs() )
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inFeat = QgsFeature()
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outFeat = QgsFeature()
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inGeom = QgsGeometry()
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nFeat = vprovider.featureCount()
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nElement = 0
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if self.writeShape:
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vprovider = self.vlayer.dataProvider()
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allAttrs = vprovider.attributeIndexes()
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vprovider.select( allAttrs )
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( fields, index1, index2 ) = self.checkGeometryFields( self.vlayer )
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writer = QgsVectorFileWriter( self.myName, self.myEncoding, fields,
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vprovider.geometryType(), vprovider.crs() )
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inFeat = QgsFeature()
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outFeat = QgsFeature()
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inGeom = QgsGeometry()
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nFeat = vprovider.featureCount()
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nElement = 0
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# calculate with:
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# 0 - layer CRS
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# 1 - project CRS
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# 2 - ellipsoidal
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ellips = None
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crs = None
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coordTransform = None
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if self.myCalcType == 2:
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settings = QSettings()
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ellips = settings.value( "/qgis/measure/ellipsoid", "WGS84" ).toString()
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crs = self.parent.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
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elif self.myCalcType == 1:
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mapCRS = self.parent.iface.mapCanvas().mapRenderer().destinationCrs()
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layCRS = self.vlayer.crs()
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coordTransform = QgsCoordinateTransform( layCRS, mapCRS )
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# calculate with:
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# 0 - layer CRS
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# 1 - project CRS
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# 2 - ellipsoidal
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ellips = None
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crs = None
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coordTransform = None
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if self.myCalcType == 2:
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settings = QSettings()
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ellips = settings.value( "/qgis/measure/ellipsoid", "WGS84" ).toString()
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crs = self.parent.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
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elif self.myCalcType == 1:
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mapCRS = self.parent.iface.mapCanvas().mapRenderer().destinationCrs()
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layCRS = self.vlayer.crs()
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coordTransform = QgsCoordinateTransform( layCRS, mapCRS )
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), 0)
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self.emit( SIGNAL( "runRange( PyQt_PyObject )" ), ( 0, nFeat ) )
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while vprovider.nextFeature(inFeat):
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), nElement )
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nElement += 1
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inGeom = inFeat.geometry()
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), 0)
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self.emit( SIGNAL( "runRange( PyQt_PyObject )" ), ( 0, nFeat ) )
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while vprovider.nextFeature(inFeat):
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), nElement )
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nElement += 1
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inGeom = inFeat.geometry()
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if self.myCalcType == 1:
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inGeom.transform( coordTransform )
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( attr1, attr2 ) = self.simpleMeasure( inGeom, self.myCalcType, ellips, crs )
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if self.myCalcType == 1:
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inGeom.transform( coordTransform )
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( attr1, attr2 ) = self.simpleMeasure( inGeom, self.myCalcType, ellips, crs )
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outFeat.setGeometry( inGeom )
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atMap = inFeat.attributeMap()
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outFeat.setAttributeMap( atMap )
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outFeat.addAttribute( index1, QVariant( attr1 ) )
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outFeat.addAttribute( index2, QVariant( attr2 ) )
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writer.addFeature( outFeat )
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del writer
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outFeat.setGeometry( inGeom )
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atMap = inFeat.attributeMap()
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outFeat.setAttributeMap( atMap )
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outFeat.addAttribute( index1, QVariant( attr1 ) )
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outFeat.addAttribute( index2, QVariant( attr2 ) )
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writer.addFeature( outFeat )
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del writer
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return True
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else: # update existing file
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newFields = []
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vprovider = self.vlayer.dataProvider()
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geomType = self.vlayer.geometryType()
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( index1, index2 ) = self.findOrCreateFields()
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inFeat = QgsFeature()
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inGeom = QgsGeometry()
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nFeat = vprovider.featureCount()
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nElement = 0
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# calculate with:
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# 0 - layer CRS
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# 1 - project CRS
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# 2 - ellipsoidal
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ellips = None
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crs = None
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coordTransform = None
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if self.myCalcType == 2:
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settings = QSettings()
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ellips = settings.value( "/qgis/measure/ellipsoid", "WGS84" ).toString()
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crs = self.parent.iface.mapCanvas().mapRenderer().destinationCrs().srsid()
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elif self.myCalcType == 1:
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mapCRS = self.parent.iface.mapCanvas().mapRenderer().destinationCrs()
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layCRS = self.vlayer.crs()
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coordTransform = QgsCoordinateTransform( layCRS, mapCRS )
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), 0)
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self.emit( SIGNAL( "runRange( PyQt_PyObject )" ), ( 0, nFeat ) )
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while vprovider.nextFeature(inFeat):
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self.emit( SIGNAL( "runStatus( PyQt_PyObject )" ), nElement )
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nElement += 1
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inGeom = inFeat.geometry()
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if self.myCalcType == 1:
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inGeom.transform( coordTransform )
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( attr1, attr2 ) = self.simpleMeasure( inGeom, self.myCalcType, ellips, crs )
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changeMap = {}
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changeAttributeMap = { index1 : QVariant( attr1 ),
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index2 : QVariant( attr2 ) }
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changeMap[ inFeat.id() ] = changeAttributeMap
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vprovider.changeAttributeValues( changeMap )
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return True
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def polygon_centroids( self ):
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@ -854,21 +931,18 @@ class geometryThread( QThread ):
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for i in fieldList.keys():
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nameList.append( fieldList[ i ].name().toLower() )
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if geomType == QGis.Polygon:
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plp = "Poly"
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( found, index1 ) = self.checkForField( nameList, "AREA" )
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if not found:
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field = QgsField( "AREA", QVariant.Double, "double", 21, 6, self.tr( "Polygon area" ) )
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index1 = len( fieldList.keys() )
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fieldList[ index1 ] = field
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( found, index2 ) = self.checkForField( nameList, "PERIMETER" )
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( found, index2 ) = self.checkForField( nameList, "PERIMETER" )
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if not found:
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field = QgsField( "PERIMETER", QVariant.Double, "double", 21, 6, self.tr( "Polygon perimeter" ) )
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index2 = len( fieldList.keys() )
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fieldList[ index2 ] = field
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elif geomType == QGis.Line:
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plp = "Line"
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( found, index1 ) = self.checkForField( nameList, "LENGTH" )
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if not found:
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field = QgsField( "LENGTH", QVariant.Double, "double", 21, 6, self.tr( "Line length" ) )
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@ -876,12 +950,12 @@ class geometryThread( QThread ):
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fieldList[ index1 ] = field
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index2 = index1
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else:
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plp = "Point"
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( found, index1 ) = self.checkForField( nameList, "XCOORD" )
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if not found:
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field = QgsField( "XCOORD", QVariant.Double, "double", 21, 6, self.tr( "Point x coordinate" ) )
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index1 = len( fieldList.keys() )
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fieldList[ index1 ] = field
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( found, index2 ) = self.checkForField( nameList, "YCOORD" )
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if not found:
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field = QgsField( "YCOORD", QVariant.Double, "double", 21, 6, self.tr( "Point y coordinate" ) )
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@ -889,6 +963,52 @@ class geometryThread( QThread ):
|
||||
fieldList[ index2 ] = field
|
||||
return ( fieldList, index1, index2 )
|
||||
|
||||
def findOrCreateFields( self ):
|
||||
vprovider = self.vlayer.dataProvider()
|
||||
fieldList = vprovider.fields()
|
||||
geomType = self.vlayer.geometryType()
|
||||
newFields = []
|
||||
nameList = []
|
||||
|
||||
for i in fieldList.keys():
|
||||
nameList.append( fieldList[ i ].name().toLower() )
|
||||
|
||||
if geomType == QGis.Polygon:
|
||||
( found, index1 ) = self.checkForField( nameList, "AREA" )
|
||||
if not found:
|
||||
field = QgsField( "AREA", QVariant.Double, "double", 21, 6, self.tr( "Polygon area" ) )
|
||||
index1 = len( fieldList.keys() )
|
||||
newFields.append( field )
|
||||
|
||||
( found, index2 ) = self.checkForField( nameList, "PERIMETER" )
|
||||
if not found:
|
||||
field = QgsField( "PERIMETER", QVariant.Double, "double", 21, 6, self.tr( "Polygon perimeter" ) )
|
||||
index2 = len( fieldList.keys() ) + 1
|
||||
newFields.append( field )
|
||||
elif geomType == QGis.Line:
|
||||
( found, index1 ) = self.checkForField( nameList, "LENGTH" )
|
||||
if not found:
|
||||
field = QgsField( "LENGTH", QVariant.Double, "double", 21, 6, self.tr( "Line length" ) )
|
||||
index1 = len( fieldList.keys() )
|
||||
newFields.append( field )
|
||||
index2 = index1
|
||||
else:
|
||||
( found, index1 ) = self.checkForField( nameList, "XCOORD" )
|
||||
if not found:
|
||||
field = QgsField( "XCOORD", QVariant.Double, "double", 21, 6, self.tr( "Point x coordinate" ) )
|
||||
index1 = len( fieldList.keys() )
|
||||
newFields.append( field )
|
||||
|
||||
( found, index2 ) = self.checkForField( nameList, "YCOORD" )
|
||||
if not found:
|
||||
field = QgsField( "YCOORD", QVariant.Double, "double", 21, 6, self.tr( "Point y coordinate" ) )
|
||||
index2 = len( fieldList.keys() ) + 1
|
||||
newFields.append( field )
|
||||
|
||||
vprovider.addAttributes( newFields )
|
||||
self.vlayer.updateFieldMap()
|
||||
return ( index1, index2 )
|
||||
|
||||
def extractAsLine( self, geom ):
|
||||
multi_geom = QgsGeometry()
|
||||
temp_geom = []
|
||||
|
||||
@ -10,7 +10,7 @@
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>390</width>
|
||||
<height>296</height>
|
||||
<height>331</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="windowTitle">
|
||||
@ -63,7 +63,14 @@
|
||||
<item row="5" column="0" colspan="2">
|
||||
<layout class="QVBoxLayout">
|
||||
<item>
|
||||
<widget class="QLabel" name="label_2">
|
||||
<widget class="QCheckBox" name="chkWriteShapefile">
|
||||
<property name="text">
|
||||
<string>Save to new shapefile</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QLabel" name="lblOutputShapefile">
|
||||
<property name="text">
|
||||
<string>Output point shapefile</string>
|
||||
</property>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user