def process_query(
dialog=None,
query=None,
nominatim=None,
bbox=None,
output_dir=None,
prefix_file=None,
output_geometry_types=None,
layer_name="OsmQuery",
white_list_values=None,
config_outputs=None):
"""execute a query and send the result file to open_file."""
# Check OGR
if not is_ogr_version_ok():
raise GDALVersion
if not is_osm_driver_enabled():
raise OsmDriverNotFound
# Get output's format
output_format = get_setting('outputFormat')
# Prepare outputs
dialog.set_progress_text(tr("QuickOSM", u"Prepare outputs"))
# Replace Nominatim or BBOX
query = prepare_query(query=query, nominatim_name=nominatim, extent=bbox)
# Getting the default overpass api and running the query
server = get_setting('defaultOAPI')
dialog.set_progress_text(tr("QuickOSM", u"Downloading data from Overpass"))
QApplication.processEvents()
connexion_overpass_api = ConnexionOAPI(url=server, output="xml")
osm_file = connexion_overpass_api.get_file_from_query(query)
return open_file(
dialog=dialog,
osm_file=osm_file,
output_geom_types=output_geometry_types,
white_list_column=white_list_values,
layer_name=layer_name,
output_format=output_format,
output_dir=output_dir,
prefix_file=prefix_file,
config_outputs=config_outputs)
def process_query(
dialog=None,
query=None,
nominatim=None,
bbox=None,
output_dir=None,
prefix_file=None,
output_geometry_types=None,
layer_name="OsmQuery",
white_list_values=None,
config_outputs=None):
"""execute a query and send the result file to open_file."""
# Check OGR
if not is_ogr_version_ok():
raise GDALVersion
if not is_osm_driver_enabled():
raise OsmDriverNotFound
# Get output's format
output_format = get_setting('outputFormat')
# Prepare outputs
dialog.set_progress_text(tr("QuickOSM", u"Prepare outputs"))
# Replace Nominatim or BBOX
query = prepare_query(query=query, nominatim_name=nominatim, extent=bbox)
# Getting the default overpass api and running the query
server = get_setting('defaultOAPI')
dialog.set_progress_text(tr("QuickOSM", u"Downloading data from Overpass"))
QApplication.processEvents()
connexion_overpass_api = ConnexionOAPI(url=server, output="xml")
osm_file = connexion_overpass_api.get_file_from_query(query)
return open_file(
dialog=dialog,
osm_file=osm_file,
output_geom_types=output_geometry_types,
white_list_column=white_list_values,
layer_name=layer_name,
output_format=output_format,
output_dir=output_dir,
prefix_file=prefix_file,
config_outputs=config_outputs)
def processAlgorithm(self, progress):
progress.setInfo("Preparing the Overpass query")
progress.setPercentage(0)
server = self.getParameterValue(self.SERVER)
query = self.getParameterValue(self.QUERY_STRING)
nominatim = self.getParameterValue(self.NOMINATIM)
# Extent of the layer
extent = self.getParameterValue(self.EXTENT)
if extent != "0,0,0,0":
# x_min, x_max, y_min, y_max
extent = [float(i) for i in extent.split(',')]
# noinspection PyCallByClass
geometry_extent = QgsGeometry.fromRect(
QgsRectangle(extent[0], extent[2], extent[1], extent[3]))
source_crs = iface.mapCanvas().mapRenderer().destinationCrs()
crs_transform = QgsCoordinateTransform(
source_crs, QgsCoordinateReferenceSystem("EPSG:4326"))
geometry_extent.transform(crs_transform)
extent = geometry_extent.boundingBox()
else:
extent = None
if nominatim == "":
nominatim = None
# Make some transformation on the query ({{box}}, Nominatim, ...
query = QueryPreparation(query, extent, nominatim)
overpass_api = ConnexionOAPI(url=server, output="xml")
progress.setInfo("Downloading data from Overpass")
progress.setPercentage(5)
osm_file = overpass_api.get_file_from_query(query.prepare_query())
# Set the output file for Processing
progress.setPercentage(100)
self.setOutputValue(self.OUTPUT_FILE, osm_file)
def processAlgorithm(self, progress):
progress.setInfo("Preparing the Overpass query")
progress.setPercentage(0)
server = self.getParameterValue(self.SERVER)
query = self.getParameterValue(self.QUERY_STRING)
nominatim = self.getParameterValue(self.NOMINATIM)
# Extent of the layer
extent = self.getParameterValue(self.EXTENT)
if extent != "0,0,0,0":
# x_min, x_max, y_min, y_max
extent = [float(i) for i in extent.split(',')]
# noinspection PyCallByClass
geometry_extent = QgsGeometry.fromRect(
QgsRectangle(extent[0], extent[2], extent[1], extent[3]))
source_crs = iface.mapCanvas().mapRenderer().destinationCrs()
crs_transform = QgsCoordinateTransform(
source_crs, QgsCoordinateReferenceSystem("EPSG:4326"))
geometry_extent.transform(crs_transform)
extent = geometry_extent.boundingBox()
else:
extent = None
if nominatim == "":
nominatim = None
# Make some transformation on the query ({{box}}, Nominatim, ...
query = prepare_query(query, extent, nominatim)
overpass_api = ConnexionOAPI(url=server, output="xml")
progress.setInfo("Downloading data from Overpass")
progress.setPercentage(5)
osm_file = overpass_api.get_file_from_query(query)
# Set the output file for Processing
progress.setPercentage(100)
self.setOutputValue(self.OUTPUT_FILE, osm_file)
