def test_run(self):
function = FloodPolygonBuildingFunction.instance()
hazard_path = test_data_path('hazard', 'flood_multipart_polygons.shp')
# exposure_path = test_data_path('exposure', 'buildings.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsVectorLayer(hazard_path, 'Flood', 'ogr')
# noinspection PyCallingNonCallable
# exposure_layer = QgsVectorLayer(exposure_path, 'Buildings', 'ogr')
exposure_layer = clone_shp_layer(
name='buildings',
include_keywords=True,
source_directory=test_data_path('exposure'))
# Let's set the extent to the hazard extent
extent = hazard_layer.extent()
rect_extent = [
extent.xMinimum(),
extent.yMaximum(),
extent.xMaximum(),
extent.yMinimum()
]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
function.run()
impact = function.impact
# Count of flooded objects is calculated "by the hands"
# total flooded = 27, total buildings = 129
count = sum(impact.get_data(attribute=function.target_field))
self.assertEquals(count, 33)
count = len(impact.get_data())
self.assertEquals(count, 176)
def test_run(self):
function = FloodPolygonBuildingFunction.instance()
hazard_path = test_data_path('hazard', 'flood_multipart_polygons.shp')
# exposure_path = test_data_path('exposure', 'buildings.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsVectorLayer(hazard_path, 'Flood', 'ogr')
# noinspection PyCallingNonCallable
# exposure_layer = QgsVectorLayer(exposure_path, 'Buildings', 'ogr')
exposure_layer = clone_shp_layer(
name='buildings',
include_keywords=True,
source_directory=test_data_path('exposure'))
# Let's set the extent to the hazard extent
extent = hazard_layer.extent()
rect_extent = [
extent.xMinimum(), extent.yMaximum(),
extent.xMaximum(), extent.yMinimum()]
function.hazard = SafeLayer(hazard_layer)
function.exposure = SafeLayer(exposure_layer)
function.requested_extent = rect_extent
function.run()
impact = function.impact
# Count of flooded objects is calculated "by the hands"
# total flooded = 27, total buildings = 129
count = sum(impact.get_data(attribute=function.target_field))
self.assertEquals(count, 33)
count = len(impact.get_data())
self.assertEquals(count, 176)
def test_run(self):
function = FloodPolygonBuildingFunction.instance()
hazard_path = test_data_path('hazard', 'flood_multipart_polygons.shp')
exposure_path = test_data_path('exposure', 'buildings.shp')
# noinspection PyCallingNonCallable
hazard_layer = QgsVectorLayer(hazard_path, 'Flood', 'ogr')
# noinspection PyCallingNonCallable
exposure_layer = QgsVectorLayer(exposure_path, 'Buildings', 'ogr')
# Let's set the extent to the hazard extent
extent = hazard_layer.extent()
rect_extent = [
extent.xMinimum(), extent.yMaximum(),
extent.xMaximum(), extent.yMinimum()]
function.hazard = QgisWrapper(hazard_layer)
function.exposure = QgisWrapper(exposure_layer)
function.requested_extent = rect_extent
function.parameters['building_type_field'] = 'TYPE'
function.parameters['affected_field'] = 'FLOODPRONE'
function.parameters['affected_value'] = 'YES'
function.run()
impact = function.impact
# Count of flooded objects is calculated "by the hands"
# total flooded = 27, total buildings = 129
count = sum(impact.get_data(attribute='INUNDATED'))
self.assertEquals(count, 33)
count = len(impact.get_data())
self.assertEquals(count, 176)
