def test_add_above_layer(self):
"""Test we can add one layer above another - see #2322
.. versionadded:: 3.2
"""
setup_scenario(self.dock,
hazard='Continuous Flood',
exposure='Population',
function='Need evacuation',
function_id='FloodEvacuationRasterHazardFunction')
layer_path = join(TESTDATA, 'polygon_0.shp')
new_layer = QgsVectorLayer(layer_path, 'foo', 'ogr')
exposure_layer = self.dock.get_exposure_layer()
add_above_layer(new_layer, exposure_layer)
root = QgsProject.instance().layerTreeRoot()
id_list = root.findLayerIds()
self.assertIn(new_layer.id(), id_list)
new_layer_position = id_list.index(new_layer.id())
existing_layer_position = id_list.index(exposure_layer.id())
self.assertEqual(new_layer_position, existing_layer_position - 1)
def test_add_above_layer(self):
"""Test we can add one layer above another - see #2322
.. versionadded:: 3.2
"""
setup_scenario(
self.dock,
hazard='Continuous Flood',
exposure='Population',
function='Need evacuation',
function_id='FloodEvacuationRasterHazardFunction')
layer_path = join(TESTDATA, 'polygon_0.shp')
new_layer = QgsVectorLayer(layer_path, 'foo', 'ogr')
exposure_layer = self.dock.get_exposure_layer()
add_above_layer(new_layer, exposure_layer)
root = QgsProject.instance().layerTreeRoot()
id_list = root.findLayerIds()
self.assertIn(new_layer.id(), id_list)
new_layer_position = id_list.index(new_layer.id())
existing_layer_position = id_list.index(exposure_layer.id())
self.assertEqual(new_layer_position, existing_layer_position - 1)
def show_results(self):
"""Helper function for slot activated when the process is done.
.. versionchanged:: 3.4 - removed parameters.
.. note:: If you update this function, please report your change to
safe.gui.widgets.dock.show_results too.
:returns: Provides a report for writing to the dock.
:rtype: str
"""
qgis_exposure = self.impact_function.exposure.qgis_layer()
qgis_hazard = self.impact_function.hazard.qgis_layer()
qgis_aggregation = self.impact_function.aggregation.qgis_layer()
safe_impact_layer = self.impact_function.impact
qgis_impact_layer = read_impact_layer(safe_impact_layer)
keywords = self.keyword_io.read_keywords(qgis_impact_layer)
json_path = os.path.splitext(qgis_impact_layer.source())[0] + '.json'
# write postprocessing report to keyword
postprocessor_data = self.impact_function.postprocessor_manager.\
get_json_data(self.impact_function.aggregator.aoi_mode)
post_processing_report = m.Message()
if os.path.exists(json_path):
with open(json_path) as json_file:
impact_data = json.load(
json_file, object_pairs_hook=OrderedDict)
impact_data['post processing'] = postprocessor_data
with open(json_path, 'w') as json_file_2:
json.dump(impact_data, json_file_2, indent=2)
else:
post_processing_report = self.impact_function.\
postprocessor_manager.get_output(
self.impact_function.aggregator.aoi_mode)
keywords['postprocessing_report'] = post_processing_report.to_html(
suppress_newlines=True)
self.keyword_io.write_keywords(qgis_impact_layer, keywords)
# Get tabular information from impact layer
report = m.Message()
report.add(LOGO_ELEMENT)
report.add(m.Heading(self.tr('Analysis Results'), **INFO_STYLE))
# If JSON Impact Data Exist, use JSON
json_path = qgis_impact_layer.source()[:-3] + 'json'
LOGGER.debug('JSON Path %s' % json_path)
if os.path.exists(json_path):
impact_template = get_report_template(json_file=json_path)
impact_report = impact_template.generate_message_report()
report.add(impact_report)
else:
report.add(self.keyword_io.read_keywords(
qgis_impact_layer, 'impact_summary'))
# append postprocessing report
report.add(post_processing_report.to_html())
# Layer attribution comes last
report.add(impact_attribution(keywords).to_html(True))
# Get requested style for impact layer of either kind
style = safe_impact_layer.get_style_info()
style_type = safe_impact_layer.get_style_type()
# Determine styling for QGIS layer
if safe_impact_layer.is_vector:
if not style:
# Set default style if possible
pass
elif style_type == 'categorizedSymbol':
LOGGER.debug('use categorized')
set_vector_categorized_style(qgis_impact_layer, style)
elif style_type == 'graduatedSymbol':
LOGGER.debug('use graduated')
set_vector_graduated_style(qgis_impact_layer, style)
elif safe_impact_layer.is_raster:
if not style:
qgis_impact_layer.setDrawingStyle("SingleBandPseudoColor")
else:
setRasterStyle(qgis_impact_layer, style)
else:
message = self.tr(
'Impact layer %s was neither a raster or a vector layer') % (
qgis_impact_layer.source())
# noinspection PyExceptionInherit
raise ReadLayerError(message)
legend = self.iface.legendInterface()
# Insert the aggregation output above the input aggregation layer
if self.show_intermediate_layers:
add_above_layer(
self.impact_function.aggregator.layer,
qgis_aggregation)
legend.setLayerVisible(self.impact_function.aggregator.layer, True)
if self.hide_exposure_flag:
# Insert the impact always above the hazard
add_above_layer(
qgis_impact_layer,
qgis_hazard)
else:
# Insert the impact above the hazard and the exposure if
# we don't hide the exposure. See #2899
add_above_layer(
qgis_impact_layer,
qgis_exposure,
qgis_hazard)
# In QGIS 2.14.2 and GDAL 1.11.3, if the exposure is in 3857,
# the impact layer is in 54004, we need to change it. See issue #2790.
if qgis_exposure.crs().authid() == 'EPSG:3857':
if qgis_impact_layer.crs().authid() != 'EPSG:3857':
epsg_3857 = QgsCoordinateReferenceSystem(3857)
qgis_impact_layer.setCrs(epsg_3857)
# make sure it is active in the legend - needed since QGIS 2.4
self.iface.setActiveLayer(qgis_impact_layer)
# then zoom to it
if self.zoom_to_impact_flag:
self.iface.zoomToActiveLayer()
if self.hide_exposure_flag:
exposure_layer = self.get_exposure_layer()
legend.setLayerVisible(exposure_layer, False)
# Make the layer visible. Might be hidden by default. See #2925
legend.setLayerVisible(qgis_impact_layer, True)
# Return text to display in report panel
return report
def show_results(self):
"""Helper function for slot activated when the process is done.
.. versionchanged:: 3.4 - removed parameters.
.. note:: If you update this function, please report your change to
safe.gui.widgets.dock.show_results too.
:returns: Provides a report for writing to the dock.
:rtype: str
"""
qgis_exposure = self.impact_function.exposure.qgis_layer()
qgis_hazard = self.impact_function.hazard.qgis_layer()
qgis_aggregation = self.impact_function.aggregation.qgis_layer()
safe_impact_layer = self.impact_function.impact
qgis_impact_layer = read_impact_layer(safe_impact_layer)
keywords = self.keyword_io.read_keywords(qgis_impact_layer)
json_path = os.path.splitext(qgis_impact_layer.source())[0] + '.json'
# write postprocessing report to keyword
postprocessor_data = self.impact_function.postprocessor_manager.\
get_json_data(self.impact_function.aggregator.aoi_mode)
post_processing_report = m.Message()
if os.path.exists(json_path):
with open(json_path) as json_file:
impact_data = json.load(json_file,
object_pairs_hook=OrderedDict)
impact_data['post processing'] = postprocessor_data
write_json(impact_data, json_path)
else:
post_processing_report = self.impact_function.\
postprocessor_manager.get_output(
self.impact_function.aggregator.aoi_mode)
keywords['postprocessing_report'] = post_processing_report.to_html(
suppress_newlines=True)
self.keyword_io.write_keywords(qgis_impact_layer, keywords)
# Get tabular information from impact layer
report = m.Message()
report.add(LOGO_ELEMENT)
report.add(m.Heading(self.tr('Analysis Results'), **INFO_STYLE))
# If JSON Impact Data Exist, use JSON
json_path = qgis_impact_layer.source()[:-3] + 'json'
LOGGER.debug('JSON Path %s' % json_path)
if os.path.exists(json_path):
impact_template = get_report_template(json_file=json_path)
impact_report = impact_template.generate_message_report()
report.add(impact_report)
else:
report.add(
self.keyword_io.read_keywords(qgis_impact_layer,
'impact_summary'))
# append postprocessing report
report.add(post_processing_report.to_html())
# Layer attribution comes last
report.add(impact_attribution(keywords).to_html(True))
# Get requested style for impact layer of either kind
style = safe_impact_layer.get_style_info()
style_type = safe_impact_layer.get_style_type()
# Determine styling for QGIS layer
if safe_impact_layer.is_vector:
if not style:
# Set default style if possible
pass
elif style_type == 'categorizedSymbol':
LOGGER.debug('use categorized')
set_vector_categorized_style(qgis_impact_layer, style)
elif style_type == 'graduatedSymbol':
LOGGER.debug('use graduated')
set_vector_graduated_style(qgis_impact_layer, style)
elif safe_impact_layer.is_raster:
if not style:
qgis_impact_layer.setDrawingStyle("SingleBandPseudoColor")
else:
setRasterStyle(qgis_impact_layer, style)
else:
message = self.tr(
'Impact layer %s was neither a raster or a vector layer') % (
qgis_impact_layer.source())
# noinspection PyExceptionInherit
raise ReadLayerError(message)
legend = self.iface.legendInterface()
# Insert the aggregation output above the input aggregation layer
if self.show_intermediate_layers:
add_above_layer(self.impact_function.aggregator.layer,
qgis_aggregation)
legend.setLayerVisible(self.impact_function.aggregator.layer, True)
if self.hide_exposure_flag:
# Insert the impact always above the hazard
add_above_layer(qgis_impact_layer, qgis_hazard)
else:
# Insert the impact above the hazard and the exposure if
# we don't hide the exposure. See #2899
add_above_layer(qgis_impact_layer, qgis_exposure, qgis_hazard)
# In QGIS 2.14.2 and GDAL 1.11.3, if the exposure is in 3857,
# the impact layer is in 54004, we need to change it. See issue #2790.
if qgis_exposure.crs().authid() == 'EPSG:3857':
if qgis_impact_layer.crs().authid() != 'EPSG:3857':
epsg_3857 = QgsCoordinateReferenceSystem(3857)
qgis_impact_layer.setCrs(epsg_3857)
# make sure it is active in the legend - needed since QGIS 2.4
self.iface.setActiveLayer(qgis_impact_layer)
# then zoom to it
if self.zoom_to_impact_flag:
self.iface.zoomToActiveLayer()
if self.hide_exposure_flag:
exposure_layer = self.get_exposure_layer()
legend.setLayerVisible(exposure_layer, False)
# Make the layer visible. Might be hidden by default. See #2925
legend.setLayerVisible(qgis_impact_layer, True)
# Return text to display in report panel
return report
