def __init__(self,iface): GenericTool.__init__(self, iface) self.labelName = "Hagens Filter" self.dlg = HagensFilterDialog() self.dlg.lineEditImages.clear() self.dlg.lineEditFlags.clear() self.dlg.lineEditOut.clear() self.dlg.lineEditOutComposite.clear() self.dlg.pushButtonImages.clicked.connect(self.InputFolder) self.dlg.pushButtonFlags.clicked.connect(self.InputFolderFlags) self.dlg.pushButtonOut.clicked.connect(self.OutputImage)
class HagensFilter(GenericTool):
"""QGIS Plugin Implementation."""
def __init__(self,iface):
GenericTool.__init__(self, iface)
self.labelName = "Hagens Filter"
self.dlg = HagensFilterDialog()
self.dlg.lineEditImages.clear()
self.dlg.lineEditFlags.clear()
self.dlg.lineEditOut.clear()
self.dlg.lineEditOutComposite.clear()
self.dlg.pushButtonImages.clicked.connect(self.InputFolder)
self.dlg.pushButtonFlags.clicked.connect(self.InputFolderFlags)
self.dlg.pushButtonOut.clicked.connect(self.OutputImage)
def run(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg.show()
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result:
iFolder = self.dlg.lineEditImages.text()
iFlag = self.dlg.lineEditFlags.text()
oFolder = self.dlg.lineEditOut.text()
Composite = self.dlg.lineEditOutComposite.text()
if (len(Composite)==0) or (len(iFolder)==0) or (len(iFlag)==0) or (len(oFolder)==0):
QMessageBox.warning(qgis.utils.iface.mainWindow(),"Hagens Filter"," Fields empty ")
else:
ListInput = sorted(glob.glob(os.path.join(iFolder,"*.tif")))
ListFlags = sorted(glob.glob(os.path.join(iFlag,"*.tif")))
Nbands = len(ListInput)
NbandsFlags = len(ListFlags)
if Nbands == NbandsFlags:
try:
Composite = int(Composite)
self.startWorker(ListInput,ListFlags,oFolder,Composite)
except:
QMessageBox.warning(qgis.utils.iface.mainWindow(),"Hagens Filter","Image fo Year is not integer")
else:
QMessageBox.warning(qgis.utils.iface.mainWindow(),"Hagens Filter","Number of input images is higher or lower than the images flags")
#Function input folder images
def InputFolder(self):
iFolder = QFileDialog.getExistingDirectory(self.dlg,'Insert Folder Images','',QFileDialog.ShowDirsOnly)
self.dlg.lineEditImages.setText(iFolder)
#Function input folder flags
def InputFolderFlags(self):
iFolder = QFileDialog.getExistingDirectory(self.dlg,'Insert Folder Flags','',QFileDialog.ShowDirsOnly)
self.dlg.lineEditFlags.setText(iFolder)
#Function output folder images
def OutputImage(self):
oFolder = QFileDialog.getExistingDirectory(self.dlg,'Output Folder','',QFileDialog.ShowDirsOnly)
self.dlg.lineEditOut.setText(oFolder)
#Function Start thread processing
def startWorker(self, inFolder, inFlag, outFolder,Composite):
# create a new worker instance
worker = Worker(inFolder, inFlag, outFolder,Composite)
#Create Progressbar
qgis.utils.iface.messageBar().clearWidgets()
progressMessageBar = qgis.utils.iface.messageBar().createMessage('Executing Hagens Filter...')
progressBar = QProgressBar()
progressBar.setMaximum(100)
progressMessageBar.layout().addWidget(progressBar)
qgis.utils.iface.messageBar().pushWidget(progressMessageBar)
self.progressMessageBar = progressMessageBar
# start the worker in a new thread
thread = QThread()
worker.moveToThread(thread)
worker.finished.connect(self.workerFinished)
worker.error.connect(self.workerError)
worker.progress.connect(progressBar.setValue)
thread.started.connect(worker.HagensFilterCalc)
thread.start()
self.thread = thread
self.worker = worker
#Function to finished thread processing
def workerFinished(self,value):
# clean up the worker and thread
self.worker.deleteLater()
self.thread.quit()
self.thread.wait()
self.thread.deleteLater()
qgis.utils.iface.messageBar().clearWidgets()
if value == 0:
QMessageBox.information(qgis.utils.iface.mainWindow(),"Hagens Filter","Processing sucessfully...")
else:
QMessageBox.warning(qgis.utils.iface.mainWindow(),"Hagens Filter","Error in the images. Please, check the error log on:"+'\n'+os.path.join(self.dlg.lineEditImages.text(),"LogErros.txt"))
#Function report error in work
def workerError(self, e, exception_string):
QgsMessageLog.logMessage('Worker thread raised an exception:\n'.format(exception_string), level=QgsMessageLog.CRITICAL)