def process_yearly_data(self, download_path, tmp_layer, data, year, indicator, indicator_name, layers, layers_not_available):
year = str(year)
data_yearly = get_data_by_year(data, year)
if len(data_yearly) == 0:
layers_not_available.append(year)
else:
# process layer
layer_name = year + ' ' + indicator_name
QgsMessageLog.logMessage(layer_name, self.QGSMESSAGEBAR_ID, QgsMessageLog.INFO)
self.dlg.progressText.setText('Processing: ' + layer_name)
try:
# Create Layer
layer, addedValue = create_layer(download_path, tmp_layer, indicator, indicator_name, data_yearly, year)
# check if the layer has been changed
if addedValue:
layers.append(year)
else:
# TODO: give a message to the user. something like "data are not available for this year"
QgsMessageLog.logMessage("WARN: there are no data available for " + str(year), self.QGSMESSAGEBAR_ID, QgsMessageLog.WARNING)
layers_not_available.append(year)
except Exception, e:
layers_not_available.append(year)
def process_yearly_data(self, download_path, tmp_layer, data, year,
indicator, indicator_name, layers,
layers_not_available):
year = str(year)
data_yearly = get_data_by_year(data, year)
if len(data_yearly) == 0:
layers_not_available.append(year)
else:
# process layer
layer_name = year + ' ' + indicator_name
QgsMessageLog.logMessage(layer_name, self.QGSMESSAGEBAR_ID,
QgsMessageLog.INFO)
self.dlg.progressText.setText('Processing: ' + layer_name)
try:
# Create Layer
layer, addedValue = create_layer(download_path, tmp_layer,
indicator, indicator_name,
data_yearly, year)
# check if the layer has been changed
if addedValue:
layers.append(year)
else:
# TODO: give a message to the user. something like "data are not available for this year"
QgsMessageLog.logMessage(
"WARN: there are no data available for " + str(year),
self.QGSMESSAGEBAR_ID, QgsMessageLog.WARNING)
layers_not_available.append(year)
except Exception, e:
layers_not_available.append(year)
def process_layers(self):
download_path = self.dlg.download_path.text()
if self.dlg.download_path.text() is None or len(
self.dlg.download_path.text()) == 0:
QMessageBox.critical(None, self.tr('Error'),
self.tr('Please insert the download folder'))
elif (int(self.dlg.cbToYear.currentText())) - int(
self.dlg.cbFromYear.currentText()) < 0:
QMessageBox.critical(None, self.tr('Error'),
self.tr('Year selection is not valid'))
else:
processed_layers = 0
self.dlg.progressBar.setValue(processed_layers)
self.dlg.progressText.setText('Fetching Data from the World Bank')
indicator_name = self.dlg.cbIndicator.currentText()
indicator = self.indicators[indicator_name]
from_year = int(self.dlg.cbFromYear.currentText())
to_year = int(self.dlg.cbToYear.currentText()) + 1
total_years = to_year - from_year
layers = []
layers_not_available = []
# create tmp layer
tmp_layer = QgsVectorLayer("Polygon?crs=EPSG:4326", "tmp",
"memory")
tmp_data_provider = tmp_layer.dataProvider()
# add fields
tmp_data_provider.addAttributes(
[QgsField("value", QVariant.Double)])
data = get_world_bank_data(indicator, str(from_year),
str(to_year - 1))
# copy layer
output_file = copy_layer(download_path, indicator_name)
layer = QgsVectorLayer(output_file, "layer_name", "ogr")
# create layer by year
for index, year in enumerate(range(from_year, to_year)):
self.dlg.progressText.setText('Processing ' + str(year))
data_yearly = get_data_by_year(data, year)
if len(data_yearly) > 0:
added = create_layer(layer, tmp_layer, data_yearly, year,
index)
layers.append(str(year))
else:
layers_not_available.append(str(year))
# update procgress bar
processed_layers += 1
self.dlg.progressBar.setValue(
int((float(processed_layers) / float(total_years)) * 100))
# commit changed on tmp layer
tmp_layer.commitChanges()
layer.commitChanges()
renderer = create_join_renderer(tmp_layer, 'value', 5,
QgsGraduatedSymbolRendererV2.Jenks)
if self.dlg.open_in_qgis.isChecked():
for index, year in enumerate(reversed(layers)):
l = QgsVectorLayer(output_file,
indicator_name + ' (' + str(year) + ')',
"ogr")
r = renderer.clone()
r.setClassAttribute(str(year))
l.setRendererV2(r)
QgsMapLayerRegistry.instance().addMapLayer(l)
self.iface.legendInterface().setLayerVisible(
l, (index == 0))
# for index, year in enumerate(range(from_year, to_year)):
# if str(year) not in layers_not_available:
# l = QgsVectorLayer(output_file, indicator_name + ' (' + str(year) + ')', "ogr")
# r = renderer.clone()
# r.setClassAttribute(str(year))
# l.setRendererV2(r)
# QgsMapLayerRegistry.instance().addMapLayer(l)
# self.iface.legendInterface().setLayerVisible(l, (index == (to_year - from_year-1)))
self.iface.mapCanvas().refresh()
self.dlg.progressText.setText('Process Finished')
if len(layers_not_available) > 0:
self.iface.messageBar().pushMessage(
indicator_name,
'Data are not available for ' +
', '.join(layers_not_available) + '',
level=QgsMessageBar.WARNING)
def process_layers(self):
download_path = self.dlg.download_path.text()
if self.dlg.download_path.text() is None or len(self.dlg.download_path.text()) == 0:
QMessageBox.critical(None, self.tr('Error'), self.tr('Please insert the download folder'))
elif (int(self.dlg.cbToYear.currentText())) - int(self.dlg.cbFromYear.currentText()) < 0:
QMessageBox.critical(None, self.tr('Error'), self.tr('Year selection is not valid'))
else:
processed_layers = 0
self.dlg.progressBar.setValue(processed_layers)
self.dlg.progressText.setText('Fetching Data from the World Bank')
indicator_name = self.dlg.cbIndicator.currentText()
indicator = self.indicators[indicator_name]
from_year = int(self.dlg.cbFromYear.currentText())
to_year = int(self.dlg.cbToYear.currentText()) + 1
total_years = to_year - from_year
layers = []
layers_not_available = []
# create tmp layer
tmp_layer = QgsVectorLayer("Polygon?crs=EPSG:4326", "tmp", "memory")
tmp_data_provider = tmp_layer.dataProvider()
# add fields
tmp_data_provider.addAttributes([QgsField("value", QVariant.Double)])
data = get_world_bank_data(indicator, str(from_year), str(to_year-1))
# copy layer
output_file = copy_layer(download_path, indicator_name)
layer = QgsVectorLayer(output_file, "layer_name", "ogr")
# create layer by year
for index, year in enumerate(range(from_year, to_year)):
self.dlg.progressText.setText('Processing ' + str(year))
data_yearly = get_data_by_year(data, year)
if len(data_yearly) > 0:
added = create_layer(layer, tmp_layer, data_yearly, year, index)
layers.append(str(year))
else:
layers_not_available.append(str(year))
# update procgress bar
processed_layers += 1
self.dlg.progressBar.setValue(int((float(processed_layers) / float(total_years)) * 100))
# commit changed on tmp layer
tmp_layer.commitChanges()
layer.commitChanges()
renderer = create_join_renderer(tmp_layer, 'value', 5, QgsGraduatedSymbolRendererV2.Jenks)
if self.dlg.open_in_qgis.isChecked():
for index, year in enumerate(reversed(layers)):
l = QgsVectorLayer(output_file, indicator_name + ' (' + str(year) + ')', "ogr")
r = renderer.clone()
r.setClassAttribute(str(year))
l.setRendererV2(r)
QgsMapLayerRegistry.instance().addMapLayer(l)
self.iface.legendInterface().setLayerVisible(l, (index == 0))
# for index, year in enumerate(range(from_year, to_year)):
# if str(year) not in layers_not_available:
# l = QgsVectorLayer(output_file, indicator_name + ' (' + str(year) + ')', "ogr")
# r = renderer.clone()
# r.setClassAttribute(str(year))
# l.setRendererV2(r)
# QgsMapLayerRegistry.instance().addMapLayer(l)
# self.iface.legendInterface().setLayerVisible(l, (index == (to_year - from_year-1)))
self.iface.mapCanvas().refresh()
self.dlg.progressText.setText('Process Finished')
if len(layers_not_available) > 0:
self.iface.messageBar().pushMessage(indicator_name, 'Data are not available for ' + ', '.join(layers_not_available) + '', level=QgsMessageBar.WARNING)
