def on_button_box_accepted(self):
stopScale = int(self.stopScaleCombo.currentText().replace('k',''))
scale = int(self.scaleCombo.currentText().replace('k',''))
if stopScale > scale:
QMessageBox.warning(self, self.tr('Warning!'), self.tr('The stop scale denominator should not be bigger than \
the scale denominator!'))
return
if self.createShapeBox.isChecked() and not self.saveEdit.text():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('A output file must be specified!'))
return
if not self.crsLineEdit.text():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('A CRS must be specified!'))
return
if not self.validateMI():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('Invalid Map Index!'))
return
# Initiating processing
gridThread = UtmGrid()
if self.createShapeBox.isChecked():
self.layer = None
else:
self.layer = gridThread.createGridLayer(self.tr('Grid Zones'), 'Multipolygon', self.crs.authid())
gridThread.setParameters(self.indexLineEdit.text(), stopScale, self.miLineEdit.text(), self.crs, self.saveEdit.text(), self.layer)
# Connecting end signal
gridThread.aux.processFinished.connect(self.finishProcess)
gridThread.aux.rangeCalculated.connect(self.setRange)
gridThread.aux.errorOccurred.connect(self.showError)
gridThread.aux.stepProcessed.connect(self.updateProgress)
# Setting the progress bar
self.progressMessageBar = self.iface.messageBar().createMessage(self.tr('Generating grid, please wait...'))
self.progressBar = QtGui.QProgressBar()
self.progressBar.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
self.progressMessageBar.layout().addWidget(self.progressBar)
self.iface.messageBar().pushWidget(self.progressMessageBar, self.iface.messageBar().INFO)
self.progressBar.setRange(0, 0)
self.progressMessageBar.destroyed.connect(gridThread.aux.cancel)
# Starting process
self.threadpool.start(gridThread)
def __init__(self, iface, parent=None):
"""Constructor."""
super(GridZoneGeneratorDialog, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
self.crsLineEdit.setReadOnly(True)
self.utmgrid = UtmGrid()
self.setValidCharacters()
self.setMask()
self.threadpool = QThreadPool()
def on_button_box_accepted(self):
stopScale = int(self.stopScaleCombo.currentText().replace('k', ''))
scale = int(self.scaleCombo.currentText().replace('k', ''))
if stopScale > scale:
QMessageBox.warning(
self, self.tr('Warning!'),
self.tr('The stop scale denominator should not be bigger than \
the scale denominator!'
))
return
if self.createShapeBox.isChecked() and not self.saveEdit.text():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('A output file must be specified!'))
return
if not self.crsLineEdit.text():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('A CRS must be specified!'))
return
if not self.validateMI():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('Invalid Map Index!'))
return
# Initiating processing
gridThread = UtmGrid()
if self.createShapeBox.isChecked():
self.layer = None
else:
self.layer = gridThread.createGridLayer(self.tr('Grid Zones'),
'Multipolygon',
self.crs.authid())
gridThread.setParameters(self.indexLineEdit.text(), stopScale,
self.miLineEdit.text(), self.crs,
self.saveEdit.text(), self.layer)
# Connecting end signal
gridThread.aux.processFinished.connect(self.finishProcess)
gridThread.aux.rangeCalculated.connect(self.setRange)
gridThread.aux.errorOccurred.connect(self.showError)
gridThread.aux.stepProcessed.connect(self.updateProgress)
# Setting the progress bar
self.progressMessageBar = define._messagBar.createMessage(
self.tr('Generating grid, please wait...'))
self.progressBar = QtGui.QProgressBar()
self.progressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
self.progressMessageBar.layout().addWidget(self.progressBar)
define._messagBar.pushWidget(self.progressMessageBar,
define._messagBar.INFO)
self.progressBar.setRange(0, 0)
self.progressMessageBar.destroyed.connect(gridThread.aux.cancel)
# Starting process
# self.threadpool.start(gridThread)
gridThread.run()
def __init__(self, iface, parent=None):
"""Constructor."""
super(GridZoneGeneratorDialog, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
self.crsLineEdit.setReadOnly(True)
self.utmgrid = UtmGrid()
self.setValidCharacters()
self.setMask()
self.threadpool = QThreadPool()
class GridZoneGeneratorDialog(QtGui.QDialog, FORM_CLASS):
def __init__(self, iface, parent=None):
"""Constructor."""
super(GridZoneGeneratorDialog, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
self.crsLineEdit.setReadOnly(True)
self.utmgrid = UtmGrid()
self.setValidCharacters()
self.setMask()
self.threadpool = QThreadPool()
def setValidCharacters(self):
self.chars = []
chars = 'NS'
self.chars.append(chars)
chars = 'ABCDEFGHIJKLMNOPQRSTUVZ'
self.chars.append(chars)
chars = ['01','02','03','04','05','06','07','08','09','10',
'11','12','13','14','15','16','17','18','19','20',
'21','22','23','24','25','26','27','28','29','30',
'31','32','33','34','35','36','37','38','39','40',
'41','42','43','44','45','46','47','48','49','50',
'51','52','53','54','55','56','57','58','59','60']
self.chars.append(chars)
chars = 'VXYZ'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
chars = ['I','II','III','IV','V','VI']
self.chars.append(chars)
chars = '1234'
self.chars.append(chars)
chars = ['NO','NE','SO','SE']
self.chars.append(chars)
chars = 'ABCDEF'
self.chars.append(chars)
chars = ['I','II','III','IV']
self.chars.append(chars)
chars = '123456'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
def setMask(self):
if self.scaleCombo.currentText() == '1000k':
self.indexLineEdit.setInputMask('NN-NN')
elif self.scaleCombo.currentText() == '500k':
self.indexLineEdit.setInputMask('NN-NN-N')
elif self.scaleCombo.currentText() == '250k':
self.indexLineEdit.setInputMask('NN-NN-N-N')
elif self.scaleCombo.currentText() == '100k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn')
elif self.scaleCombo.currentText() == '50k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0')
elif self.scaleCombo.currentText() == '25k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN')
elif self.scaleCombo.currentText() == '10k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N')
elif self.scaleCombo.currentText() == '5k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn')
elif self.scaleCombo.currentText() == '2k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0')
elif self.scaleCombo.currentText() == '1k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0-N')
def validateMI(self):
mi = self.indexLineEdit.text()
split = mi.split('-')
for i in range(len(split)):
word = str(split[i])
if len(word) == 0:
return False
if i == 0:
if word[0] not in self.chars[0]:
print word
return False
if word[1] not in self.chars[1]:
print word
return False
elif i == 1:
if word not in self.chars[2]:
print word
return False
elif i == 2:
if word not in self.chars[3]:
print word
return False
elif i == 3:
if word not in self.chars[4]:
print word
return False
elif i == 4:
if word not in self.chars[5]:
print word
return False
elif i == 5:
if word not in self.chars[6]:
print word
return False
elif i == 6:
if word not in self.chars[7]:
print word
return False
elif i == 7:
if word not in self.chars[8]:
print word
return False
elif i == 8:
if word not in self.chars[9]:
print word
return False
elif i == 9:
if word not in self.chars[10]:
print word
return False
elif i == 10:
if word not in self.chars[11]:
print word
return False
return True
def disableAll(self):
self.mirLineEdit.setEnabled(False)
self.miLineEdit.setEnabled(False)
self.indexLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_crsButton_clicked(self):
projSelector = QgsGenericProjectionSelector()
message = 'Select the Spatial Reference System!'
projSelector.setMessage(theMessage=message)
projSelector.exec_()
try:
epsg = int(projSelector.selectedAuthId().split(':')[-1])
self.crs = QgsCoordinateReferenceSystem(epsg, QgsCoordinateReferenceSystem.EpsgCrsId)
if self.crs:
self.crsLineEdit.setText(self.crs.description())
except:
QMessageBox.warning(self, self.tr("Warning!"), self.tr(message))
@pyqtSlot(str)
def on_indexLineEdit_textEdited(self,s):
if (s!=''):
mi = self.utmgrid.getMIFromINomen(str(s))
self.miLineEdit.setText(mi)
@pyqtSlot(str)
def on_miLineEdit_textEdited(self,s):
if (s!=''):
self.index = self.utmgrid.getINomenFromMI(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(str)
def on_mirLineEdit_textEdited(self,s):
if (s!=''):
self.index = self.utmgrid.getINomenFromMIR(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(int)
def on_scaleCombo_currentIndexChanged(self):
self.setMask()
@pyqtSlot(bool)
def on_mirRadioButton_toggled(self, toggled):
if toggled:
self.mirLineEdit.setEnabled(True)
else:
self.mirLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_miRadioButton_toggled(self, toggled):
if toggled:
self.miLineEdit.setEnabled(True)
else:
self.miLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_indexRadioButton_toggled(self, toggled):
if toggled:
self.indexLineEdit.setEnabled(True)
else:
self.indexLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_saveButton_clicked(self):
fileName = QFileDialog.getSaveFileName(parent=self, caption=self.tr('Save Output File'), filter='Shapefile (*.shp)')
self.saveEdit.setText(fileName)
@pyqtSlot()
def on_button_box_accepted(self):
stopScale = int(self.stopScaleCombo.currentText().replace('k',''))
scale = int(self.scaleCombo.currentText().replace('k',''))
if stopScale > scale:
QMessageBox.warning(self, self.tr('Warning!'), self.tr('The stop scale denominator should not be bigger than \
the scale denominator!'))
return
if self.createShapeBox.isChecked() and not self.saveEdit.text():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('A output file must be specified!'))
return
if not self.crsLineEdit.text():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('A CRS must be specified!'))
return
if not self.validateMI():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('Invalid Map Index!'))
return
# Initiating processing
gridThread = UtmGrid()
if self.createShapeBox.isChecked():
self.layer = None
else:
self.layer = gridThread.createGridLayer(self.tr('Grid Zones'), 'Multipolygon', self.crs.authid())
gridThread.setParameters(self.indexLineEdit.text(), stopScale, self.miLineEdit.text(), self.crs, self.saveEdit.text(), self.layer)
# Connecting end signal
gridThread.aux.processFinished.connect(self.finishProcess)
gridThread.aux.rangeCalculated.connect(self.setRange)
gridThread.aux.errorOccurred.connect(self.showError)
gridThread.aux.stepProcessed.connect(self.updateProgress)
# Setting the progress bar
self.progressMessageBar = self.iface.messageBar().createMessage(self.tr('Generating grid, please wait...'))
self.progressBar = QtGui.QProgressBar()
self.progressBar.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
self.progressMessageBar.layout().addWidget(self.progressBar)
self.iface.messageBar().pushWidget(self.progressMessageBar, self.iface.messageBar().INFO)
self.progressBar.setRange(0, 0)
self.progressMessageBar.destroyed.connect(gridThread.aux.cancel)
# Starting process
self.threadpool.start(gridThread)
def setRange(self, maximum):
self.progressBar.setRange(0, maximum)
def showError(self, msg):
QMessageBox.warning(self, self.tr('Warning!'), msg)
def updateProgress(self):
self.progressBar.setValue(self.progressBar.value() + 1)
def finishProcess(self):
self.progressBar.setValue(self.progressBar.maximum())
if self.createShapeBox.isChecked():
layer = self.iface.addVectorLayer(self.saveEdit.text(), self.tr('Grid Zones'), 'ogr')
self.updateMapCanvas(layer)
else:
QgsMapLayerRegistry.instance().addMapLayer(self.layer)
self.updateMapCanvas(self.layer)
QMessageBox.information(self, self.tr('Success!'), self.tr('Grid Created successfully!'))
def updateMapCanvas(self, layer):
if layer:
self.iface.setActiveLayer(layer)
layer.updateExtents()
bbox = self.iface.mapCanvas().mapSettings().layerToMapCoordinates(layer, layer.extent())
self.iface.mapCanvas().setExtent(bbox)
self.iface.mapCanvas().refresh()
class GridZoneGeneratorDialog(QtGui.QDialog, FORM_CLASS):
def __init__(self, iface, parent=None):
"""Constructor."""
super(GridZoneGeneratorDialog, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
self.crsLineEdit.setReadOnly(True)
self.utmgrid = UtmGrid()
self.setValidCharacters()
self.setMask()
self.threadpool = QThreadPool()
def setValidCharacters(self):
self.chars = []
chars = 'NS'
self.chars.append(chars)
chars = 'ABCDEFGHIJKLMNOPQRSTUVZ'
self.chars.append(chars)
chars = [
'01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11',
'12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22',
'23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33',
'34', '35', '36', '37', '38', '39', '40', '41', '42', '43', '44',
'45', '46', '47', '48', '49', '50', '51', '52', '53', '54', '55',
'56', '57', '58', '59', '60'
]
self.chars.append(chars)
chars = 'VXYZ'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
chars = ['I', 'II', 'III', 'IV', 'V', 'VI']
self.chars.append(chars)
chars = '1234'
self.chars.append(chars)
chars = ['NO', 'NE', 'SO', 'SE']
self.chars.append(chars)
chars = 'ABCDEF'
self.chars.append(chars)
chars = ['I', 'II', 'III', 'IV']
self.chars.append(chars)
chars = '123456'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
def setMask(self):
if self.scaleCombo.currentText() == '1000k':
self.indexLineEdit.setInputMask('NN-NN')
elif self.scaleCombo.currentText() == '500k':
self.indexLineEdit.setInputMask('NN-NN-N')
elif self.scaleCombo.currentText() == '250k':
self.indexLineEdit.setInputMask('NN-NN-N-N')
elif self.scaleCombo.currentText() == '100k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn')
elif self.scaleCombo.currentText() == '50k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0')
elif self.scaleCombo.currentText() == '25k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN')
elif self.scaleCombo.currentText() == '10k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N')
elif self.scaleCombo.currentText() == '5k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn')
elif self.scaleCombo.currentText() == '2k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0')
elif self.scaleCombo.currentText() == '1k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0-N')
def validateMI(self):
mi = self.indexLineEdit.text()
split = mi.split('-')
for i in range(len(split)):
word = str(split[i])
if len(word) == 0:
return False
if i == 0:
if word[0] not in self.chars[0]:
print word
return False
if word[1] not in self.chars[1]:
print word
return False
elif i == 1:
if word not in self.chars[2]:
print word
return False
elif i == 2:
if word not in self.chars[3]:
print word
return False
elif i == 3:
if word not in self.chars[4]:
print word
return False
elif i == 4:
if word not in self.chars[5]:
print word
return False
elif i == 5:
if word not in self.chars[6]:
print word
return False
elif i == 6:
if word not in self.chars[7]:
print word
return False
elif i == 7:
if word not in self.chars[8]:
print word
return False
elif i == 8:
if word not in self.chars[9]:
print word
return False
elif i == 9:
if word not in self.chars[10]:
print word
return False
elif i == 10:
if word not in self.chars[11]:
print word
return False
return True
def disableAll(self):
self.mirLineEdit.setEnabled(False)
self.miLineEdit.setEnabled(False)
self.indexLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_crsButton_clicked(self):
projSelector = QgsGenericProjectionSelector()
message = 'Select the Spatial Reference System!'
projSelector.setMessage(theMessage=message)
projSelector.exec_()
try:
epsg = int(projSelector.selectedAuthId().split(':')[-1])
self.crs = QgsCoordinateReferenceSystem(
epsg, QgsCoordinateReferenceSystem.EpsgCrsId)
if self.crs:
self.crsLineEdit.setText(self.crs.description())
except:
QMessageBox.warning(self, self.tr("Warning!"), self.tr(message))
@pyqtSlot(str)
def on_indexLineEdit_textEdited(self, s):
if (s != ''):
mi = self.utmgrid.getMIFromINomen(str(s))
self.miLineEdit.setText(mi)
@pyqtSlot(str)
def on_miLineEdit_textEdited(self, s):
if (s != ''):
self.index = self.utmgrid.getINomenFromMI(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(str)
def on_mirLineEdit_textEdited(self, s):
if (s != ''):
self.index = self.utmgrid.getINomenFromMIR(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(int)
def on_scaleCombo_currentIndexChanged(self):
self.setMask()
@pyqtSlot(bool)
def on_mirRadioButton_toggled(self, toggled):
if toggled:
self.mirLineEdit.setEnabled(True)
else:
self.mirLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_miRadioButton_toggled(self, toggled):
if toggled:
self.miLineEdit.setEnabled(True)
else:
self.miLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_indexRadioButton_toggled(self, toggled):
if toggled:
self.indexLineEdit.setEnabled(True)
else:
self.indexLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_saveButton_clicked(self):
fileName = QFileDialog.getSaveFileName(
parent=self,
caption=self.tr('Save Output File'),
filter='Shapefile (*.shp)')
self.saveEdit.setText(fileName)
@pyqtSlot()
def on_button_box_accepted(self):
stopScale = int(self.stopScaleCombo.currentText().replace('k', ''))
scale = int(self.scaleCombo.currentText().replace('k', ''))
if stopScale > scale:
QMessageBox.warning(
self, self.tr('Warning!'),
self.tr('The stop scale denominator should not be bigger than \
the scale denominator!'
))
return
if self.createShapeBox.isChecked() and not self.saveEdit.text():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('A output file must be specified!'))
return
if not self.crsLineEdit.text():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('A CRS must be specified!'))
return
if not self.validateMI():
QMessageBox.warning(self, self.tr('Warning!'),
self.tr('Invalid Map Index!'))
return
# Initiating processing
gridThread = UtmGrid()
if self.createShapeBox.isChecked():
self.layer = None
else:
self.layer = gridThread.createGridLayer(self.tr('Grid Zones'),
'Multipolygon',
self.crs.authid())
gridThread.setParameters(self.indexLineEdit.text(), stopScale,
self.miLineEdit.text(), self.crs,
self.saveEdit.text(), self.layer)
# Connecting end signal
gridThread.aux.processFinished.connect(self.finishProcess)
gridThread.aux.rangeCalculated.connect(self.setRange)
gridThread.aux.errorOccurred.connect(self.showError)
gridThread.aux.stepProcessed.connect(self.updateProgress)
# Setting the progress bar
self.progressMessageBar = define._messagBar.createMessage(
self.tr('Generating grid, please wait...'))
self.progressBar = QtGui.QProgressBar()
self.progressBar.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
self.progressMessageBar.layout().addWidget(self.progressBar)
define._messagBar.pushWidget(self.progressMessageBar,
define._messagBar.INFO)
self.progressBar.setRange(0, 0)
self.progressMessageBar.destroyed.connect(gridThread.aux.cancel)
# Starting process
# self.threadpool.start(gridThread)
gridThread.run()
def setRange(self, maximum):
self.progressBar.setRange(0, maximum)
def showError(self, msg):
QMessageBox.warning(self, self.tr('Warning!'), msg)
def updateProgress(self):
self.progressBar.setValue(self.progressBar.value() + 1)
def finishProcess(self):
self.progressBar.setValue(self.progressBar.maximum())
if self.createShapeBox.isChecked():
shpPath = ""
if define.obstaclePath != None:
shpPath = define.obstaclePath
elif define.xmlPath != None:
shpPath = define.xmlPath
else:
shpPath = define.appPath
er = QgsVectorFileWriter.writeAsVectorFormat(
self.layer,
self.saveEdit.text() + "/" + self.tr('Grid Zones') + ".shp",
"utf-8",
define._canvas.mapSettings().destinationCrs())
layer = QgsVectorLayer(self.saveEdit.text(), self.tr('Grid Zones'),
'ogr')
QgisHelper.appendToCanvas(define._canvas, [layer], "Grid Zones")
# QgsMapLayerRegistry.instance().addMapLayer(layer)
# layer = self.iface.addVectorLayer(self.saveEdit.text(), self.tr('Grid Zones'), 'ogr')
self.updateMapCanvas(layer)
else:
# QgsMapLayerRegistry.instance().addMapLayer(self.layer)
QgisHelper.appendToCanvas(define._canvas, [self.layer],
"Grid Zones")
self.updateMapCanvas(self.layer)
QMessageBox.information(self, self.tr('Success!'),
self.tr('Grid Created successfully!'))
def updateMapCanvas(self, layer):
# if layer:
# self.iface.setActiveLayer(layer)
layer.updateExtents()
bbox = define._canvas.mapSettings().layerToMapCoordinates(
layer, layer.extent())
define._canvas.setExtent(bbox)
define._canvas.refresh()
class GridZoneGeneratorDialog(QtGui.QDialog, FORM_CLASS):
def __init__(self, iface, parent=None):
"""Constructor."""
super(GridZoneGeneratorDialog, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
self.iface = iface
self.crsLineEdit.setReadOnly(True)
self.utmgrid = UtmGrid()
self.setValidCharacters()
self.setMask()
self.vlayer = None
def setValidCharacters(self):
self.chars = []
chars = 'NS'
self.chars.append(chars)
chars = 'ABCDEFGHIJKLMNOPQRSTUVZ'
self.chars.append(chars)
chars = ['01','02','03','04','05','06','07','08','09','10',
'11','12','13','14','15','16','17','18','19','20',
'21','22','23','24','25','26','27','28','29','30',
'31','32','33','34','35','36','37','38','39','40',
'41','42','43','44','45','46','47','48','49','50',
'51','52','53','54','55','56','57','58','59','60']
self.chars.append(chars)
chars = 'VXYZ'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
chars = ['I','II','III','IV','V','VI']
self.chars.append(chars)
chars = '1234'
self.chars.append(chars)
chars = ['NO','NE','SO','SE']
self.chars.append(chars)
chars = 'ABCDEF'
self.chars.append(chars)
chars = ['I','II','III','IV']
self.chars.append(chars)
chars = '123456'
self.chars.append(chars)
chars = 'ABCD'
self.chars.append(chars)
def setMask(self):
if self.scaleCombo.currentText() == '1000k':
self.indexLineEdit.setInputMask('NN-NN')
elif self.scaleCombo.currentText() == '500k':
self.indexLineEdit.setInputMask('NN-NN-N')
elif self.scaleCombo.currentText() == '250k':
self.indexLineEdit.setInputMask('NN-NN-N-N')
elif self.scaleCombo.currentText() == '100k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn')
elif self.scaleCombo.currentText() == '50k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0')
elif self.scaleCombo.currentText() == '25k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN')
elif self.scaleCombo.currentText() == '10k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N')
elif self.scaleCombo.currentText() == '5k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn')
elif self.scaleCombo.currentText() == '2k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0')
elif self.scaleCombo.currentText() == '1k':
self.indexLineEdit.setInputMask('NN-NN-N-N-Nnn-0-NN-N-Nnn-0-N')
def validateMI(self):
mi = self.indexLineEdit.text()
split = mi.split('-')
for i in range(len(split)):
word = str(split[i])
if len(word) == 0:
return False
if i == 0:
if word[0] not in self.chars[0]:
print word
return False
if word[1] not in self.chars[1]:
print word
return False
elif i == 1:
if word not in self.chars[2]:
print word
return False
elif i == 2:
if word not in self.chars[3]:
print word
return False
elif i == 3:
if word not in self.chars[4]:
print word
return False
elif i == 4:
if word not in self.chars[5]:
print word
return False
elif i == 5:
if word not in self.chars[6]:
print word
return False
elif i == 6:
if word not in self.chars[7]:
print word
return False
elif i == 7:
if word not in self.chars[8]:
print word
return False
elif i == 8:
if word not in self.chars[9]:
print word
return False
elif i == 9:
if word not in self.chars[10]:
print word
return False
elif i == 10:
if word not in self.chars[11]:
print word
return False
return True
def disableAll(self):
self.mirLineEdit.setEnabled(False)
self.miLineEdit.setEnabled(False)
self.indexLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_crsButton_clicked(self):
projSelector = QgsGenericProjectionSelector()
message = 'Select the Spatial Reference System!'
projSelector.setMessage(theMessage=message)
projSelector.exec_()
try:
epsg = int(projSelector.selectedAuthId().split(':')[-1])
self.crs = QgsCoordinateReferenceSystem(epsg, QgsCoordinateReferenceSystem.EpsgCrsId)
if self.crs:
self.crsLineEdit.setText(self.crs.description())
except:
QMessageBox.warning(self, self.tr("Warning!"), self.tr(message))
@pyqtSlot(str)
def on_indexLineEdit_textEdited(self,s):
if (s!=''):
mi = self.utmgrid.getMIFromINomen(str(s))
self.miLineEdit.setText(mi)
@pyqtSlot(str)
def on_miLineEdit_textEdited(self,s):
if (s!=''):
self.index = self.utmgrid.getINomenFromMI(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(str)
def on_mirLineEdit_textEdited(self,s):
if (s!=''):
self.index = self.utmgrid.getINomenFromMIR(str(s))
self.indexLineEdit.setText(self.index)
@pyqtSlot(int)
def on_scaleCombo_currentIndexChanged(self):
self.setMask()
@pyqtSlot(bool)
def on_mirRadioButton_toggled(self, toggled):
if toggled:
self.mirLineEdit.setEnabled(True)
else:
self.mirLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_miRadioButton_toggled(self, toggled):
if toggled:
self.miLineEdit.setEnabled(True)
else:
self.miLineEdit.setEnabled(False)
@pyqtSlot(bool)
def on_indexRadioButton_toggled(self, toggled):
if toggled:
self.indexLineEdit.setEnabled(True)
else:
self.indexLineEdit.setEnabled(False)
@pyqtSlot()
def on_button_box_accepted(self):
stopScale = int(self.stopScaleCombo.currentText().replace('k',''))
scale = int(self.scaleCombo.currentText().replace('k',''))
if stopScale > scale:
QMessageBox.warning(self, self.tr('Warning!'), self.tr('The stop scale denominator should not be bigger than \
the scale denominator!'))
return
if not self.crsLineEdit.text():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('A CRS must be specified!'))
return
if not self.validateMI():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('Invalid Map Index!'))
return
tempLayer = self.createGridLayer('temp', 'Multipolygon', self.crs.geographicCRSAuthId())
self.utmgrid.populateQgsLayer(self.indexLineEdit.text(), stopScale, tempLayer, self.miLineEdit.text())
layer = self.createGridLayer('Grid Zones', 'Multipolygon', self.crs.authid())
for feature in tempLayer.getFeatures():
geom = feature.geometry()
reprojected = self.reprojectGridZone(geom)
self.insertGridZoneIntoQgsLayer(layer, reprojected, feature.attributes())
del tempLayer
tempLayer = None
QgsMapLayerRegistry.instance().addMapLayer(layer)
layer.updateExtents()
bbox = self.iface.mapCanvas().mapSettings().layerToMapCoordinates(layer, layer.extent())
self.iface.mapCanvas().setExtent(bbox)
self.iface.mapCanvas().refresh()
def createGridLayer(self, name, layerType, crsAuthId):
layer = QgsVectorLayer('%s?crs=%s'% (layerType, crsAuthId), self.tr(name), 'memory')
if not layer.isValid():
QMessageBox.warning(self, self.tr('Warning!'), self.tr('Problem loading memory layer!'))
return
provider = layer.dataProvider()
provider.addAttributes([QgsField(self.tr('map_index'), QVariant.String), QgsField('mi', QVariant.String)])
layer.updateFields()
return layer
def reprojectGridZone(self, multipoly):
crsSrc = QgsCoordinateReferenceSystem(self.crs.geographicCRSAuthId())
coordinateTransformer = QgsCoordinateTransform(crsSrc, self.crs)
polyline = multipoly.asMultiPolygon()[0][0]
newPolyline = []
for point in polyline:
newPolyline.append(coordinateTransformer.transform(point))
qgsMultiPolygon = QgsGeometry.fromMultiPolygon([[newPolyline]])
return qgsMultiPolygon
def insertGridZoneIntoQgsLayer(self, layer, multipoly, attributes):
"""Inserts the poly into layer
"""
provider = layer.dataProvider()
#Creating the feature
feature = QgsFeature()
feature.setGeometry(multipoly)
feature.setAttributes(attributes)
# Adding the feature into the file
provider.addFeatures([feature])
