def handleAlgorithmResults(alg, progress=None, showResults=True):
wrongLayers = []
htmlResults = False
if progress is None:
progress = SilentProgress()
progress.setText(QCoreApplication.translate('Postprocessing', 'Loading resulting layers'))
i = 0
for out in alg.outputs:
progress.setPercentage(100 * i / float(len(alg.outputs)))
if out.hidden or not out.open:
continue
if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
try:
if out.value.startswith('memory:'):
layer = out.memoryLayer
QgsMapLayerRegistry.instance().addMapLayers([layer])
else:
if ProcessingConfig.getSetting(
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
name = os.path.basename(out.value)
else:
name = out.description
dataobjects.load(out.value, name, alg.crs,
RenderingStyles.getStyle(alg.commandLineName(),
out.name))
except Exception, e:
wrongLayers.append(out)
elif isinstance(out, OutputHTML):
ProcessingResults.addResult(out.description, out.value)
htmlResults = True
def preprocess(self, layer):
'''
Preprocesses the layer with the corresponding preprocess hook and returns the path to the
resulting layer. If no preprocessing is performed, it returns the input layer itself
'''
if not processingOk:
return layer
if layer.type() == layer.RasterLayer:
try:
hookFile = str(QtCore.QSettings().value(
"/GeoServer/Settings/GeoServer/PreuploadRasterHook", ""))
if hookFile:
alg = self.getAlgorithmFromHookFile(hookFile)
if (len(alg.parameters) == 1
and isinstance(alg.parameters[0], ParameterRaster)
and len(alg.outputs) == 1
and isinstance(alg.outputs[0], OutputRaster)):
alg.parameters[0].setValue(layer)
if runalg(alg, SilentProgress()):
return load(alg.outputs[0].value)
return layer
else:
return layer
except:
QgsMessageLog.logMessage(
"Could not apply hook to layer upload. Wrong Hook",
level=QgsMessageLog.WARNING)
return layer
elif layer.type() == layer.VectorLayer:
try:
hookFile = str(QtCore.QSettings().value(
"/GeoServer/Settings/GeoServer/PreuploadVectorHook", ""))
if hookFile:
alg = self.getAlgorithmFromHookFile(hookFile)
if (len(alg.parameters) == 1
and isinstance(alg.parameters[0], ParameterVector)
and len(alg.outputs) == 1
and isinstance(alg.outputs[0], OutputVector)):
alg.parameters[0].setValue(layer)
if runalg(alg, SilentProgress()):
return load(alg.outputs[0].value)
return layer
else:
return layer
except:
QgsMessageLog.logMessage(
"Could not apply hook to layer upload. Wrong Hook",
level=QgsMessageLog.WARNING)
return layer
def runalg(alg, progress=None):
"""Executes a given algorithm, showing its progress in the
progress object passed along.
Return true if everything went OK, false if the algorithm
could not be completed.
"""
if progress is None:
progress = SilentProgress()
try:
alg.execute(progress)
return True
except GeoAlgorithmExecutionException as e:
ProcessingLog.addToLog(sys.exc_info()[0], ProcessingLog.LOG_ERROR)
progress.error(e.msg)
return False
def runalg(alg, progress=None):
"""Executes a given algorithm, showing its progress in the
progress object passed along.
Return true if everything went OK, false if the algorithm
could not be completed.
"""
if progress is None:
progress = SilentProgress()
try:
alg.execute(progress)
return True
except GeoAlgorithmExecutionException as e:
ProcessingLog.addToLog(sys.exc_info()[0], ProcessingLog.LOG_ERROR)
progress.error(e.msg)
return False
def handleAlgorithmResults(alg, progress=None, showResults=True):
wrongLayers = []
htmlResults = False
if progress is None:
progress = SilentProgress()
progress.setText(QCoreApplication.translate('Postprocessing', 'Loading resulting layers'))
i = 0
for out in alg.outputs:
progress.setPercentage(100 * i / float(len(alg.outputs)))
if out.hidden or not out.open:
continue
if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
try:
if out.value.startswith('memory:'):
layer = out.memoryLayer
QgsMapLayerRegistry.instance().addMapLayers([layer])
else:
if ProcessingConfig.getSetting(
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
name = os.path.basename(out.value)
else:
name = out.description
dataobjects.load(out.value, name, alg.crs,
RenderingStyles.getStyle(alg.commandLineName(),
out.name))
except Exception as e:
wrongLayers.append(out.description)
elif isinstance(out, OutputHTML):
ProcessingResults.addResult(out.description, out.value)
htmlResults = True
i += 1
if wrongLayers:
QApplication.restoreOverrideCursor()
dlg = MessageDialog()
dlg.setTitle(QCoreApplication.translate('Postprocessing', 'Problem loading output layers'))
msg = "The following layers were not correctly generated.<ul>"
msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm"
dlg.setMessage(msg)
dlg.exec_()
if showResults and htmlResults and not wrongLayers:
QApplication.restoreOverrideCursor()
dlg = ResultsDialog()
dlg.exec_()
return len(wrongLayers) == 0
def handleAlgorithmResults(alg, progress=None, showResults=True):
wrongLayers = []
htmlResults = False
if progress is None:
progress = SilentProgress()
progress.setText(
QCoreApplication.translate('Postprocessing',
'Loading resulting layers'))
i = 0
for out in alg.outputs:
progress.setPercentage(100 * i / float(len(alg.outputs)))
if out.hidden or not out.open:
continue
if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
try:
if out.value.startswith('memory:'):
layer = out.memoryLayer
QgsMapLayerRegistry.instance().addMapLayers([layer])
else:
if ProcessingConfig.getSetting(
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
name = os.path.basename(out.value)
else:
name = out.description
dataobjects.load(
out.value, name, alg.crs,
RenderingStyles.getStyle(alg.commandLineName(),
out.name))
except Exception, e:
wrongLayers.append(out.description)
elif isinstance(out, OutputHTML):
ProcessingResults.addResult(out.description, out.value)
htmlResults = True
def preprocess(self, layer):
'''
Preprocesses the layer with the corresponding preprocess hook and returns the path to the
resulting layer. If no preprocessing is performed, it returns the input layer itself
'''
if not processingOk:
return layer
if layer.type() == layer.RasterLayer:
try:
hookFile = str(QSettings().value(
"/OpenGeo/Settings/GeoServer/PreuploadRasterHook", ""))
alg = self.getAlgorithmFromHookFile(hookFile)
if (len(alg.parameters) == 1
and isinstance(alg.parameters[0], ParameterRaster)
and len(alg.outputs) == 1
and isinstance(alg.outputs[0], OutputRaster)):
alg.parameters[0].setValue(layer)
if AlgorithmExecutor.runalg(alg, SilentProgress()):
return load(alg.outputs[0].value)
return layer
except:
return layer
elif layer.type() == layer.VectorLayer:
try:
hookFile = str(QSettings().value(
"/OpenGeo/Settings/GeoServer/PreuploadVectorHook", ""))
alg = self.getAlgorithmFromHookFile(hookFile)
if (len(alg.parameters) == 1
and isinstance(alg.parameters[0], ParameterVector)
and len(alg.outputs) == 1
and isinstance(alg.outputs[0], OutputVector)):
alg.parameters[0].setValue(layer)
if AlgorithmExecutor.runalg(alg, SilentProgress()):
return load(alg.outputs[0].value)
return layer
except:
return layer
def handleAlgorithmResults(alg, progress=None, showResults=True):
wrongLayers = []
htmlResults = False
if progress is None:
progress = SilentProgress()
progress.setText(QCoreApplication.translate('Postprocessing', 'Loading resulting layers'))
i = 0
for out in alg.outputs:
progress.setPercentage(100 * i / float(len(alg.outputs)))
if out.hidden or not out.open:
continue
if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
try:
if hasattr(out, "layer") and out.layer is not None:
out.layer.setLayerName(out.description)
QgsMapLayerRegistry.instance().addMapLayers([out.layer])
else:
if ProcessingConfig.getSetting(
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
name = os.path.basename(out.value)
else:
name = out.description
dataobjects.load(out.value, name, alg.crs,
RenderingStyles.getStyle(alg.commandLineName(),
out.name))
except Exception:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
"Error loading result layer:\n" + traceback.format_exc())
wrongLayers.append(out.description)
elif isinstance(out, OutputHTML):
ProcessingResults.addResult(out.description, out.value)
htmlResults = True
i += 1
QApplication.restoreOverrideCursor()
if wrongLayers:
msg = "The following layers were not correctly generated.<ul>"
msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
msg += "You can check the log messages to find more information about the execution of the algorithm"
progress.error(msg)
if showResults and htmlResults and not wrongLayers:
dlg = ResultsDialog()
dlg.exec_()
return len(wrongLayers) == 0
def handleAlgorithmResults(alg, progress=None, showResults=True):
wrongLayers = []
htmlResults = False
if progress is None:
progress = SilentProgress()
progress.setText(
QCoreApplication.translate('Postprocessing',
'Loading resulting layers'))
i = 0
for out in alg.outputs:
progress.setPercentage(100 * i / float(len(alg.outputs)))
if out.hidden or not out.open:
continue
if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
try:
if out.value.startswith('memory:'):
layer = out.memoryLayer
QgsMapLayerRegistry.instance().addMapLayers([layer])
else:
if ProcessingConfig.getSetting(
ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
name = os.path.basename(out.value)
else:
name = out.description
dataobjects.load(
out.value, name, alg.crs,
RenderingStyles.getStyle(alg.commandLineName(),
out.name))
except Exception as e:
wrongLayers.append(out.description)
elif isinstance(out, OutputHTML):
ProcessingResults.addResult(out.description, out.value)
htmlResults = True
i += 1
if wrongLayers:
QApplication.restoreOverrideCursor()
dlg = MessageDialog()
dlg.setTitle(
QCoreApplication.translate('Postprocessing',
'Problem loading output layers'))
msg = "The following layers were not correctly generated.<ul>"
msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm"
dlg.setMessage(msg)
dlg.exec_()
if showResults and htmlResults and not wrongLayers:
QApplication.restoreOverrideCursor()
dlg = ResultsDialog()
dlg.exec_()
return len(wrongLayers) == 0
def getInstalledVersion(runOtb=False):
global _installedVersion
global _installedVersionFound
if _installedVersionFound and not runOtb:
return _installedVersion
if otbPath() is None or otbLibPath() is None:
_installedVersionFound = False
return None
commands = [os.path.join(otbPath(), "otbcli_Smoothing")]
progress = SilentProgress()
out = executeOtb(commands, progress, False)
for line in out:
if "version" in line:
_installedVersionFound = True
_installedVersion = line.split("version")[-1].strip()
break
return _installedVersion
