def __enter__(self): if self.has_message: self.message = self.message_bar.createMessage( tr('Info'), tr(self.msg)) self.message = self.message_bar.pushWidget( self.message, level=QgsMessageBar.INFO) QApplication.processEvents() QApplication.setOverrideCursor(Qt.WaitCursor)
def accept(self): QApplication.setOverrideCursor(QCursor(Qt.WaitCursor)) qsettings = QSettings() for setting in self.items.keys(): if setting.group != menusSettingsGroup or self.saveMenus: if isinstance(setting.value, bool): setting.setValue(self.items[setting].checkState() == Qt.Checked) else: try: setting.setValue(unicode(self.items[setting].text())) except ValueError as e: QMessageBox.warning(self, self.tr('Wrong value'), self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e)))) return setting.save(qsettings) settingsWatcher.settingsChanged.emit() updateMenus() QApplication.restoreOverrideCursor() QDialog.accept(self)
def accept(self): QApplication.setOverrideCursor(QCursor(Qt.WaitCursor)) qsettings = QSettings() for setting in self.items.keys(): if setting.group != menusSettingsGroup or self.saveMenus: if isinstance(setting.value, bool): setting.setValue( self.items[setting].checkState() == Qt.Checked) else: try: setting.setValue(unicode(self.items[setting].text())) except ValueError as e: QMessageBox.warning( self, self.tr('Wrong value'), self.tr('Wrong value for parameter "%s":\n\n%s' % (setting.description, unicode(e)))) return setting.save(qsettings) Processing.updateAlgsList() settingsWatcher.settingsChanged.emit() updateMenus() QApplication.restoreOverrideCursor() QDialog.accept(self)
def run_stats(self): """Main function which do the process.""" # Get the common fields. self.admin_layer = self.cbx_aggregation_layer.currentLayer() if self.use_point_layer: # If we use a point layer. point_layer = self.cbx_case_layer.currentLayer() else: # If we use a column with number of case. case_column = self.cbx_case_field.currentField() index_case = self.admin_layer.fieldNameIndex(case_column) if not self.use_area: # If we don't use density. population = self.cbx_population_field.currentField() index_population = self.admin_layer.fieldNameIndex(population) if not self.name_field: self.name_field = self.le_new_column.placeholderText() # Add new column. add_nb_intersections = self.checkBox_addNbIntersections.isChecked() # Ratio ratio = self.cbx_ratio.currentText() ratio = ratio.replace(' ', '') # Output. self.output_file_path = self.le_output_filepath.text() try: self.button_box_ok.setDisabled(True) # noinspection PyArgumentList QApplication.setOverrideCursor(Qt.WaitCursor) # noinspection PyArgumentList QApplication.processEvents() if not self.admin_layer: raise NoLayerProvidedException if not self.admin_layer and self.use_point_layer: raise NoLayerProvidedException crs_admin_layer = self.admin_layer.crs() if self.use_point_layer: crs_point_layer = point_layer.crs() if crs_admin_layer != crs_point_layer: raise DifferentCrsException(epsg1=crs_point_layer.authid(), epsg2=crs_admin_layer.authid()) if not self.use_point_layer and not self.use_area: if index_population == index_case: raise FieldException(field_1='Population', field_2='Case') try: ratio = float(ratio) except ValueError: raise NotANumberException(suffix=ratio) # Output if not self.output_file_path: temp_file = NamedTemporaryFile(delete=False, suffix='-geohealth.shp') self.output_file_path = temp_file.name temp_file.flush() temp_file.close() admin_layer_provider = self.admin_layer.dataProvider() fields = admin_layer_provider.fields() if admin_layer_provider.fieldNameIndex(self.name_field) != -1: raise FieldExistingException(field=self.name_field) fields.append(QgsField(self.name_field, QVariant.Double)) if add_nb_intersections: fields.append(QgsField('nb_of_intersections', QVariant.Int)) data = [] file_writer = QgsVectorFileWriter(self.output_file_path, 'utf-8', fields, QGis.WKBPolygon, self.admin_layer.crs(), 'ESRI Shapefile') if self.use_point_layer: total_case = point_layer.featureCount() else: total_case = 0 for i, feature in enumerate(self.admin_layer.getFeatures()): attributes = feature.attributes() if self.use_point_layer: count = 0 for f in point_layer.getFeatures(): if f.geometry().intersects(feature.geometry()): count += 1 else: count = int(attributes[index_case]) total_case += count try: if self.use_area: area = feature.geometry().area() value = float(count) / area * ratio else: try: population = float(attributes[index_population]) except ValueError: raise NotANumberException( suffix=attributes[index_population]) value = float(count) / population * ratio except ZeroDivisionError: value = None except TypeError: value = None data.append(value) attributes.append(value) if add_nb_intersections: attributes.append(count) new_feature = QgsFeature() new_geom = QgsGeometry(feature.geometry()) new_feature.setAttributes(attributes) new_feature.setGeometry(new_geom) file_writer.addFeature(new_feature) del file_writer self.output_layer = QgsVectorLayer(self.output_file_path, self.name_field, 'ogr') QgsMapLayerRegistry.instance().addMapLayer(self.output_layer) if self.checkBox_incidence_runStats.isChecked(): stats = Stats(data) items_stats = [ 'Incidence null,%d' % stats.null_values(), 'Count(point),%d' % total_case, 'Count(polygon),%d' % self.admin_layer.featureCount(), 'Min,%d' % stats.min(), 'Average,%f' % stats.average(), 'Max,%d' % stats.max(), 'Median,%f' % stats.median(), 'Range,%d' % stats.range(), 'Variance,%f' % stats.variance(), 'Standard deviation,%f' % stats.standard_deviation() ] self.tableWidget.clear() self.tableWidget.setColumnCount(2) labels = ['Parameters', 'Values'] self.tableWidget.setHorizontalHeaderLabels(labels) self.tableWidget.setRowCount(len(items_stats)) for i, item in enumerate(items_stats): s = item.split(',') self.tableWidget.setItem(i, 0, QTableWidgetItem(s[0])) self.tableWidget.setItem(i, 1, QTableWidgetItem(s[1])) self.tableWidget.resizeRowsToContents() self.draw_plot(data) else: self.hide() if self.symbology.isChecked(): self.add_symbology() self.signalStatus.emit(3, tr('Successful process')) except GeoHealthException, e: display_message_bar(msg=e.msg, level=e.level, duration=e.duration)