def validateOtbFolder(self, v):
if not self.isActive():
return
if not v or not os.path.exists(v):
self.setActive(False)
raise ValueError(self.tr("'{}' does not exist. OTB provider will be disabled".format(v)))
path = self.normalize_path(v)
app_launcher_path = OtbUtils.getExecutableInPath(path, 'otbApplicationLauncherCommandLine')
if not os.path.exists(app_launcher_path):
self.setActive(False)
raise ValueError(self.tr("Cannot find '{}'. OTB will be disabled".format(app_launcher_path)))
def validateOtbFolder(self, v):
if not self.isActive():
return
if not v or not os.path.exists(v):
self.setActive(False)
raise ValueError(self.tr("'{}' does not exist. OTB provider will be disabled".format(v)))
path = self.normalize_path(v)
app_launcher_path = OtbUtils.getExecutableInPath(path, 'otbApplicationLauncherCommandLine')
if not os.path.exists(app_launcher_path):
self.setActive(False)
raise ValueError(self.tr("Cannot find '{}'. OTB will be disabled".format(app_launcher_path)))
def validateAppFolders(self, v):
if not self.isActive():
return
if not v:
self.setActive(False)
raise ValueError(self.tr('Cannot activate OTB provider'))
folder = OtbUtils.otbFolder()
otb_app_dirs = self.appDirs(v)
if len(otb_app_dirs) < 1:
self.setActive(False)
raise ValueError(
self.tr("'{}' does not exist. OTB provider will be disabled".
format(v)))
#isValid is True if there is atleast one valid otb application is given path
isValid = False
descr_folder = self.descrFolder(folder)
for app_dir in otb_app_dirs:
if not os.path.exists(app_dir):
continue
for otb_app in os.listdir(app_dir):
if not otb_app.startswith('otbapp_') or \
'TestApplication' in otb_app or \
'ApplicationExample' in otb_app:
continue
app_name = os.path.basename(otb_app).split('.')[0][7:]
dfile = os.path.join(descr_folder, app_name + '.txt')
isValid = True
if not os.path.exists(dfile):
cmdlist = [
OtbUtils.getExecutableInPath(folder,
'otbQgisDescriptor'),
app_name, app_dir, descr_folder + '/'
]
commands = ' '.join(cmdlist)
QgsMessageLog.logMessage(self.tr(commands),
self.tr('Processing'),
Qgis.Critical)
OtbUtils.executeOtb(commands, feedback=None)
if isValid:
# if check needed for testsing
if utils.iface is not None:
utils.iface.messageBar().pushInfo(
"OTB",
"OTB provider is activated from '{}'.".format(folder))
else:
self.setActive(False)
raise ValueError(
self.tr(
"No OTB algorithms found in '{}'. OTB will be disabled".
format(','.join(otb_app_dirs))))
def validateAppFolders(self, v):
if not self.isActive():
return
if not v:
self.setActive(False)
raise ValueError(self.tr('Cannot activate OTB provider'))
folder = OtbUtils.otbFolder()
otb_app_dirs = self.appDirs(v)
if len(otb_app_dirs) < 1:
self.setActive(False)
raise ValueError(self.tr("'{}' does not exist. OTB provider will be disabled".format(v)))
#isValid is True if there is atleast one valid otb application is given path
isValid = False
descr_folder = self.descrFolder(folder)
for app_dir in otb_app_dirs:
if not os.path.exists(app_dir):
continue
for otb_app in os.listdir(app_dir):
if not otb_app.startswith('otbapp_') or \
'TestApplication' in otb_app or \
'ApplicationExample' in otb_app:
continue
app_name = os.path.basename(otb_app).split('.')[0][7:]
dfile = os.path.join(descr_folder, app_name + '.txt')
isValid = True
if not os.path.exists(dfile):
cmdlist = [OtbUtils.getExecutableInPath(folder, 'otbQgisDescriptor'),
app_name, app_dir, descr_folder + '/']
commands = ' '.join(cmdlist)
QgsMessageLog.logMessage(self.tr(commands), self.tr('Processing'), Qgis.Critical)
OtbUtils.executeOtb(commands, feedback=None)
if isValid:
# if check needed for testsing
if utils.iface is not None:
utils.iface.messageBar().pushInfo("OTB", "OTB provider is activated from '{}'.".format(folder))
else:
self.setActive(False)
raise ValueError(self.tr("No OTB algorithms found in '{}'. OTB will be disabled".format(','.join(otb_app_dirs))))
def processAlgorithm(self, parameters, context, feedback):
app_launcher_path = OtbUtils.getExecutableInPath(OtbUtils.otbFolder(), 'otbApplicationLauncherCommandLine')
command = '"{}" {} {}'.format(app_launcher_path, self.name(), OtbUtils.appFolder())
outputPixelType = None
for k, v in parameters.items():
# if value is None for a parameter we don't have any businees with this key
if not v or v is None:
continue
# for 'outputpixeltype' parameter we find the pixeltype string from self.pixelTypes
if k == 'outputpixeltype':
pixel_type = self.pixelTypes[int(parameters['outputpixeltype'])]
outputPixelType = None if pixel_type == 'float' else pixel_type
continue
param = self.parameterDefinition(k)
if param.isDestination():
continue
if isinstance(param, QgsProcessingParameterEnum):
value = self.parameterAsEnum(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterBoolean):
value = self.parameterAsBoolean(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterCrs):
crsValue = self.parameterAsCrs(parameters, param.name(), context)
authid = crsValue.authid()
if authid.startswith('EPSG:'):
value = authid.split('EPSG:')[1]
else:
raise QgsProcessingException(
self.tr("Incorrect value for parameter '{}'. No EPSG code found in '{}'".format(
param.name(),
authid)))
elif isinstance(param, QgsProcessingParameterFile):
value = self.parameterAsFile(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterMultipleLayers):
layers = self.parameterAsLayerList(parameters, param.name(), context)
if layers is None or len(layers) == 0:
continue
value = ' '.join(['"{}"'.format(self.getLayerSource(param.name(), layer)) for layer in layers])
elif isinstance(param, QgsProcessingParameterNumber):
if param.dataType() == QgsProcessingParameterNumber.Integer:
value = self.parameterAsInt(parameters, param.name(), context)
else:
value = self.parameterAsDouble(parameters, param.name(), context)
elif isinstance(param, (QgsProcessingParameterRasterLayer, QgsProcessingParameterVectorLayer)):
value = '"{}"'.format(self.getLayerSource(param.name(), self.parameterAsLayer(parameters, param.name(), context)))
elif isinstance(param, QgsProcessingParameterString):
value = '"{}"'.format(self.parameterAsString(parameters, param.name(), context))
else:
# Use whatever is given
value = '"{}"'.format(parameters[param.name()])
# Check if value is set in above if elif ladder and update command string
if value and value is not None:
command += ' -{} {}'.format(k, value)
output_files = {}
for out in self.destinationParameterDefinitions():
filePath = self.parameterAsOutputLayer(parameters, out.name(), context)
if filePath:
output_files[out.name()] = filePath
if outputPixelType is not None:
command += ' -{} "{}" "{}"'.format(out.name(), filePath, outputPixelType)
else:
command += ' -{} "{}"'.format(out.name(), filePath)
OtbUtils.executeOtb(command, feedback)
result = {}
for o in self.outputDefinitions():
if o.name() in output_files:
result[o.name()] = output_files[o.name()]
return result
def processAlgorithm(self, parameters, context, feedback):
app_launcher_path = OtbUtils.getExecutableInPath(OtbUtils.otbFolder(), 'otbApplicationLauncherCommandLine')
command = '"{}" {} {}'.format(app_launcher_path, self.name(), OtbUtils.appFolder())
outputPixelType = None
for k, v in parameters.items():
# if value is None for a parameter we don't have any businees with this key
if not v or v is None:
continue
# for 'outputpixeltype' parameter we find the pixeltype string from self.pixelTypes
if k == 'outputpixeltype':
pixel_type = self.pixelTypes[int(parameters['outputpixeltype'])]
outputPixelType = None if pixel_type == 'float' else pixel_type
continue
param = self.parameterDefinition(k)
if param.isDestination():
continue
if isinstance(param, QgsProcessingParameterEnum):
value = self.parameterAsEnum(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterBoolean):
value = self.parameterAsBoolean(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterCrs):
crsValue = self.parameterAsCrs(parameters, param.name(), context)
authid = crsValue.authid()
if authid.startswith('EPSG:'):
value = authid.split('EPSG:')[1]
else:
raise QgsProcessingException(
self.tr("Incorrect value for parameter '{}'. No EPSG code found in '{}'".format(
param.name(),
authid)))
elif isinstance(param, QgsProcessingParameterFile):
value = self.parameterAsFile(parameters, param.name(), context)
elif isinstance(param, QgsProcessingParameterMultipleLayers):
layers = self.parameterAsLayerList(parameters, param.name(), context)
if layers is None or len(layers) == 0:
continue
value = ' '.join(['"{}"'.format(self.getLayerSource(param.name(), layer)) for layer in layers])
elif isinstance(param, QgsProcessingParameterNumber):
if param.dataType() == QgsProcessingParameterNumber.Integer:
value = self.parameterAsInt(parameters, param.name(), context)
else:
value = self.parameterAsDouble(parameters, param.name(), context)
elif isinstance(param, (QgsProcessingParameterRasterLayer, QgsProcessingParameterVectorLayer)):
value = '"{}"'.format(self.getLayerSource(param.name(), self.parameterAsLayer(parameters, param.name(), context)))
elif isinstance(param, QgsProcessingParameterString):
value = '"{}"'.format(self.parameterAsString(parameters, param.name(), context))
else:
# Use whatever is given
value = '"{}"'.format(parameters[param.name()])
# Check if value is set in above if elif ladder and update command string
if value and value is not None:
command += ' -{} {}'.format(k, value)
output_files = {}
for out in self.destinationParameterDefinitions():
filePath = self.parameterAsOutputLayer(parameters, out.name(), context)
if filePath:
output_files[out.name()] = filePath
if outputPixelType is not None:
command += ' -{} "{}" "{}"'.format(out.name(), filePath, outputPixelType)
else:
command += ' -{} "{}"'.format(out.name(), filePath)
OtbUtils.executeOtb(command, feedback)
result = {}
for o in self.outputDefinitions():
if o.name() in output_files:
result[o.name()] = output_files[o.name()]
return result
