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