def test_convert_grid_to_raster(self):
"""Test converting grid.xml to raster (tif file)"""
grid_title = 'Earthquake'
grid_source = 'USGS'
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
result = convert_mmi_data(
GRID_PATH, grid_title, grid_source, output_path=output_raster,
algorithm=NEAREST_NEIGHBOUR)
expected_result = output_raster.replace(
'.tif', '-%s.tif' % NEAREST_NEIGHBOUR)
self.assertEqual(
result, expected_result,
'Result path not as expected')
exists = os.path.exists(result)
self.assertTrue(exists, 'File result : %s does not exist' % result)
exists = os.path.exists(result[:-3] + 'xml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'xml')
exists = os.path.exists(result[:-3] + 'qml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'qml')
def test_export_import_setting(self):
"""Test for export_setting method."""
profile_file = unique_filename(
suffix='.json', dir='population_preference')
original_settings = {
'key': 'value',
'key_bool': True,
'population_preference': generate_default_profile(),
'key_int': 1,
'key_float': 2.0
}
# Write
for key, value in list(original_settings.items()):
set_setting(key, value, self.qsettings)
# Export
inasafe_settings = export_setting(profile_file, self.qsettings)
# Check result
self.assertTrue(os.path.exists(profile_file))
self.assertEqual(inasafe_settings['key'], 'value')
self.assertEqual(
inasafe_settings['population_preference'],
generate_default_profile())
# Import
read_setting = import_setting(profile_file, self.qsettings)
self.assertDictEqual(inasafe_settings, read_setting)
self.assertDictEqual(original_settings, read_setting)
def test_convert_grid_to_raster_with_ascii(self):
"""Test converting grid.xml to raster (tif file)"""
grid_title = 'Earthquake'
grid_source = 'USGS'
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
result = convert_mmi_data(
GRID_PATH,
grid_title,
grid_source,
algorithm=USE_ASCII,
output_path=output_raster)
expected_result = output_raster.replace('.tif', '-%s.tif' % USE_ASCII)
self.assertEqual(
result, expected_result,
'Result path not as expected')
exists = os.path.exists(result)
self.assertTrue(exists, 'File result : %s does not exist' % result)
exists = os.path.exists(result[:-3] + 'xml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'xml')
exists = os.path.exists(result[:-3] + 'qml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'qml')
tif_file = load_layer(result)[0]
keywords = tif_file.keywords
self.assertEqual(keywords['hazard'], hazard_earthquake['key'])
population_classification = list(keywords['thresholds'][
exposure_population['key']].keys())[0]
self.assertEqual(
population_classification, earthquake_mmi_scale['key'])
def print_map_to_pdf(self, output_path):
"""Generate the printout for our final map as pdf.
:param output_path: Path on the file system to which the pdf should be
saved. If None, a generated file name will be used.
:type output_path: str
:returns: File name of the output file (equivalent to filename if
provided).
:rtype: str
"""
LOGGER.debug('InaSAFE Map print_to_pdf called')
self.setup_composition()
try:
self.load_template()
except TemplateLoadingError:
raise
self.draw_composition()
if output_path is None:
output_path = unique_filename(
prefix='report', suffix='.pdf', dir=temp_dir())
self.composition.exportAsPDF(output_path)
return output_path
def testSqliteWriting(self):
"""Test that writing a dataset to sqlite works."""
keywords = read_keywords(SHP_BASE + '.keywords')
layer = Vector(data=SHP_BASE + '.shp', keywords=keywords)
test_dir = temp_dir(sub_dir='test')
test_file = unique_filename(suffix='.sqlite', dir=test_dir)
layer.write_to_file(test_file, sublayer='foo')
def test_relative_path(self):
"""Test we calculate the relative paths correctly when saving scenario.
"""
result, message = setup_scenario(
DOCK,
hazard='Classified Flood',
exposure='Population',
function='Be affected by each hazard class',
function_id='ClassifiedRasterHazardPopulationFunction')
self.assertTrue(result, message)
fake_dir = test_data_path()
scenario_file = unique_filename(prefix='scenarioTest',
suffix='.txt',
dir=fake_dir)
exposure_layer = str(DOCK.get_exposure_layer().publicSource())
hazard_layer = str(DOCK.get_hazard_layer().publicSource())
relative_exposure = self.save_scenario_dialog.relative_path(
scenario_file, exposure_layer)
relative_hazard = self.save_scenario_dialog.relative_path(
scenario_file, hazard_layer)
if 'win32' in sys.platform:
# windows
self.assertEqual('exposure\\pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual('hazard\\classified_flood_20_20.asc',
relative_hazard)
else:
self.assertEqual('exposure/pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual('hazard/classified_flood_20_20.asc',
relative_hazard)
def read_from_qgis_native(self, qgis_layer):
"""Read raster data from qgis layer QgsRasterLayer.
A stub is used now:
save all data in a file,
then call safe.read_from_file
Raises:
* TypeError if qgis is not avialable
* IOError if can't store temporary file
* GetDataError if can't create copy of qgis_layer's
dataProvider
"""
if not qgis_imported: # FIXME (DK): this branch isn't covered by test
msg = ('Used data is QgsRasterLayer instance, '
'but QGIS is not avialable.')
raise TypeError(msg)
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
pipe = QgsRasterPipe()
provider = qgis_layer.dataProvider()
if not pipe.set(provider.clone()):
msg = "Cannot set pipe provider"
raise GetDataError(msg)
file_writer.writeRaster(pipe, provider.xSize(), provider.ySize(),
provider.extent(), provider.crs())
# Write keywords if any
write_keywords(self.keywords, base_name + '.keywords')
self.read_from_file(file_name)
def test_relative_path(self):
"""Test we calculate the relative paths correctly when saving scenario.
"""
result, message = setup_scenario(
DOCK,
hazard='Classified Flood in Jakarta',
exposure='Penduduk Jakarta',
function='Be affected by each hazard class',
function_id='Classified Hazard Population Impact Function')
self.assertTrue(result, message)
fake_dir = os.path.dirname(TESTDATA)
scenario_file = unique_filename(prefix='scenarioTest',
suffix='.txt',
dir=fake_dir)
exposure_layer = str(DOCK.get_exposure_layer().publicSource())
hazard_layer = str(DOCK.get_hazard_layer().publicSource())
relative_exposure = self.save_scenario_dialog.relative_path(
scenario_file, exposure_layer)
relative_hazard = self.save_scenario_dialog.relative_path(
scenario_file, hazard_layer)
if 'win32' in sys.platform:
# windows
self.assertEqual('test\\Population_Jakarta_geographic.asc',
relative_exposure)
self.assertEqual('hazard\\jakarta_flood_category_123.asc',
relative_hazard)
else:
self.assertEqual('test/Population_Jakarta_geographic.asc',
relative_exposure)
self.assertEqual('hazard/jakarta_flood_category_123.asc',
relative_hazard)
def clip_raster(raster, column_count, row_count, output_extent):
"""Clip raster to specified extent, width and height.
Note there is similar utility in safe_qgis.utilities.clipper, but it uses
gdal whereas this one uses native QGIS.
:param raster: Raster
:type raster: QgsRasterLayer
:param column_count: Desired width in pixels of new raster
:type column_count: Int
:param row_count: Desired height in pixels of new raster
:type row_count: Int
:param output_extent: Extent of the clipped region
:type output_extent: QgsRectangle
:returns: Clipped region of the raster
:rtype: QgsRasterLayer
"""
provider = raster.dataProvider()
pipe = QgsRasterPipe()
pipe.set(provider.clone())
base_name = unique_filename()
file_name = base_name + ".tif"
file_writer = QgsRasterFileWriter(file_name)
file_writer.writeRaster(pipe, column_count, row_count, output_extent, raster.crs())
return QgsRasterLayer(file_name, "clipped_raster")
def test_relative_path(self):
"""Test we calculate the relative paths correctly when saving scenario.
"""
result, message = setup_scenario(
self.DOCK,
hazard='Classified Flood',
exposure='Population')
self.assertTrue(result, message)
fake_dir = standard_data_path()
scenario_file = unique_filename(
prefix='scenarioTest', suffix='.txt', dir=fake_dir)
exposure_layer = self.DOCK.get_exposure_layer().publicSource()
hazard_layer = self.DOCK.get_hazard_layer().publicSource()
relative_exposure = self.save_scenario_dialog.relative_path(
scenario_file, exposure_layer)
relative_hazard = self.save_scenario_dialog.relative_path(
scenario_file, hazard_layer)
if 'win32' in sys.platform:
# windows
self.assertEqual(
'exposure\\pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual(
'hazard\\classified_flood_20_20.asc',
relative_hazard)
else:
self.assertEqual(
'exposure/pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual(
'hazard/classified_flood_20_20.asc',
relative_hazard)
def read_from_qgis_native(self, qgis_layer):
"""Read raster data from qgis layer QgsRasterLayer.
A stub is used now:
save all data in a file,
then call safe.read_from_file
Raises:
* TypeError if qgis is not avialable
* IOError if can't store temporary file
* GetDataError if can't create copy of qgis_layer's
dataProvider
"""
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
pipe = QgsRasterPipe()
provider = qgis_layer.dataProvider()
if not pipe.set(provider.clone()):
msg = "Cannot set pipe provider"
raise GetDataError(msg)
file_writer.writeRaster(
pipe,
provider.xSize(),
provider.ySize(),
provider.extent(),
provider.crs())
# Write keywords if any
write_iso19115_metadata(file_name, self.keywords)
self.read_from_file(file_name)
def read_from_qgis_native(self, qgis_layer):
"""Read and unpack vector data from qgis layer QgsVectorLayer.
A stub is used now:
save all data in a file,
then call safe.read_from_file
Raises:
* TypeError if qgis is not avialable
* IOError if can't store temporary file
"""
# FIXME (DK): this branch isn't covered by test
if not QGIS_IS_AVAILABLE:
msg = ('Used data is QgsVectorLayer instance, '
'but QGIS is not available.')
raise TypeError(msg)
base_name = unique_filename()
file_name = base_name + '.shp'
error = QgsVectorFileWriter.writeAsVectorFormat(
qgis_layer,
file_name,
"UTF8",
qgis_layer.crs(),
"ESRI Shapefile"
)
if error != QgsVectorFileWriter.NoError:
# FIXME (DK): this branch isn't covered by test
msg = ('Can not save data in temporary file.')
raise IOError(msg)
# Write keywords if any
write_keywords(self.keywords, base_name + '.keywords')
self.read_from_file(file_name)
def test_convert_grid_to_raster_with_ascii(self):
"""Test converting grid.xml to raster (tif file)"""
grid_title = 'Earthquake'
grid_source = 'USGS'
output_raster = unique_filename(prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
result = convert_mmi_data(GRID_PATH,
grid_title,
grid_source,
algorithm=USE_ASCII,
output_path=output_raster)
expected_result = output_raster.replace('.tif', '-%s.tif' % USE_ASCII)
self.assertEqual(result, expected_result,
'Result path not as expected')
exists = os.path.exists(result)
self.assertTrue(exists, 'File result : %s does not exist' % result)
exists = os.path.exists(result[:-3] + 'xml')
self.assertTrue(
exists, 'File result : %s does not exist' % result[:-3] + 'xml')
exists = os.path.exists(result[:-3] + 'qml')
self.assertTrue(
exists, 'File result : %s does not exist' % result[:-3] + 'qml')
tif_file = load_layer(result)[0]
keywords = tif_file.keywords
self.assertEqual(keywords['hazard'], hazard_earthquake['key'])
population_classification = keywords['thresholds'][
exposure_population['key']].keys()[0]
self.assertEqual(population_classification,
earthquake_mmi_scale['key'])
def test_sorted_impacted_cities(self):
"""Test getting impacted cities sorted by mmi then population."""
working_dir = shakemap_extract_dir()
shake_event = ShakeEvent(
working_dir=working_dir,
event_id=SHAKE_ID,
data_is_local_flag=True)
table = shake_event.sorted_impacted_cities()
file_path = unique_filename(
prefix='test_sorted_impacted_cities',
suffix='.txt',
dir=temp_dir('test'))
cities_file = file(file_path, 'w')
cities_file.writelines(str(table))
cities_file.close()
table = str(table).replace(', \'', ',\n\'')
table += '\n'
fixture_path = os.path.join(
data_dir(), 'tests', 'test_sorted_impacted_cities.txt')
cities_file = file(fixture_path)
expected_string = cities_file.read()
cities_file.close()
expected_string = expected_string.replace(', \'', ',\n\'')
self.max_diff = None
message = 'Expectation:\n%s, Got\n%s' % (expected_string, table)
self.assertEqual(expected_string, table, message)
def clip_raster(raster, column_count, row_count, output_extent):
"""Clip raster to specified extent, width and height.
Note there is similar utility in safe_qgis.utilities.clipper, but it uses
gdal whereas this one uses native QGIS.
:param raster: Raster
:type raster: QgsRasterLayer
:param column_count: Desired width in pixels of new raster
:type column_count: Int
:param row_count: Desired height in pixels of new raster
:type row_count: Int
:param output_extent: Extent of the clipped region
:type output_extent: QgsRectangle
:returns: Clipped region of the raster
:rtype: QgsRasterLayer
"""
provider = raster.dataProvider()
pipe = QgsRasterPipe()
pipe.set(provider.clone())
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
file_writer.writeRaster(pipe, column_count, row_count, output_extent,
raster.crs())
return QgsRasterLayer(file_name, 'clipped_raster')
def test_standard_properties(self):
metadata = AggregationLayerMetadata(unique_filename())
with self.assertRaises(KeyError):
metadata.get_property('non_existing_key')
# from BaseMetadata
metadata.get_property('organisation')
def test_export_import_setting(self):
"""Test for export_setting method."""
profile_file = unique_filename(suffix='.json',
dir='population_preference')
original_settings = {
'key': 'value',
'key_bool': True,
'population_preference': generate_default_profile(),
'key_int': 1,
'key_float': 2.0
}
# Write
for key, value in list(original_settings.items()):
set_setting(key, value, self.qsettings)
# Export
inasafe_settings = export_setting(profile_file, self.qsettings)
# Check result
self.assertTrue(os.path.exists(profile_file))
self.assertEqual(inasafe_settings['key'], 'value')
self.assertEqual(inasafe_settings['population_preference'],
generate_default_profile())
# Import
read_setting = import_setting(profile_file, self.qsettings)
self.assertDictEqual(inasafe_settings, read_setting)
self.assertDictEqual(original_settings, read_setting)
def test_standard_properties(self):
metadata = AggregationLayerMetadata(unique_filename())
with self.assertRaises(KeyError):
metadata.get_property('non_existing_key')
# from BaseMetadata
metadata.get_property('organisation')
def test_converting(self):
"""Test converting grif file to tiff."""
dialog = ShakemapConverterDialog(PARENT, IFACE)
dialog.use_output_default.setEnabled(False)
grid_path = standard_data_path(
'hazard',
'shake_data',
'20131105060809',
'output',
'grid.xml')
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
dialog.load_result.setEnabled(True)
dialog.load_result.setChecked(False)
dialog.input_path.setText(grid_path)
dialog.nearest_mode.setChecked(True)
dialog.output_path.setText(output_raster)
button = dialog.button_box.button(QDialogButtonBox.Ok)
button.click()
msg = 'Raster is not created'
output_path = '%s-nearest.tif' % output_raster[:-4]
self.assertTrue(os.path.exists(output_path), msg)
def create_grid(size):
"""Create a polygonal grid using Processing.
:param size: The cell size.
:type size: int
:return: The grid layer in memory.
:rtype: QgsVectorLayer
"""
output_filename = unique_filename(prefix='grid', suffix='.shp')
result = processing.runalg(
'qgis:vectorgrid',
'336199.970553,352338.397991,7636164.67975,7648562.41208',
size, # X spacing
size, # Y spacing
0, # Output as polygons
output_filename)
layer = QgsVectorLayer(output_filename, 'grid', 'ogr')
layer.setCrs(QgsCoordinateReferenceSystem(32740))
remove_fields(layer, ['xmin', 'xmax', 'ymin', 'ymax'])
# Make a copy in memory
memory = create_memory_layer(
'grid', layer.geometryType(), layer.crs(), layer.fields())
copy_layer(layer, memory)
print "NB cells : %s" % layer.featureCount()
return memory
def read_from_qgis_native(self, qgis_layer):
"""Read raster data from qgis layer QgsRasterLayer.
A stub is used now:
save all data in a file,
then call safe.read_from_file
Raises:
* TypeError if qgis is not avialable
* IOError if can't store temporary file
* GetDataError if can't create copy of qgis_layer's
dataProvider
"""
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
pipe = QgsRasterPipe()
provider = qgis_layer.dataProvider()
if not pipe.set(provider.clone()):
msg = "Cannot set pipe provider"
raise GetDataError(msg)
file_writer.writeRaster(
pipe,
provider.xSize(),
provider.ySize(),
provider.extent(),
provider.crs())
# Write keywords if any
write_keywords(self.keywords, base_name + '.keywords')
self.read_from_file(file_name)
def Xtest_print_impact_table(self):
"""Test print impact table to pdf."""
impact_layer_path = test_data_path(
'impact', 'population_affected_entire_area.shp')
layer, _ = load_layer(impact_layer_path)
# noinspection PyUnresolvedReferences,PyArgumentList
QgsMapLayerRegistry.instance().addMapLayer(layer)
# noinspection PyCallingNonCallable
rect = QgsRectangle(106.8194, -6.2108, 106.8201, -6.1964)
CANVAS.setExtent(rect)
CANVAS.refresh()
template = resources_path('qgis-composer-templates',
'a4-portrait-blue.qpt')
report = ImpactReport(IFACE, template, layer)
report.template = template # just to cover set template
out_path = unique_filename(prefix='test_print_impact_table',
suffix='.pdf',
dir=temp_dir('test'))
report.print_impact_table(out_path)
# Check the file exists
message = 'Rendered output does not exist: %s' % out_path
self.assertTrue(os.path.exists(out_path), message)
# Check the file is not corrupt
message = 'The output file %s is corrupt' % out_path
out_size = os.stat(out_path).st_size
self.assertTrue(out_size > 0, message)
def clone_raster_layer(name, extension, include_keywords, source_directory, target_directory="test"):
"""Helper function that copies a test raster.
:param name: The default name for the raster layer.
:type name: str
:param extension: The extension of the raster file.
:type extension: str
:param include_keywords: Include keywords file if True.
:type include_keywords: bool
:param source_directory: Directory where the file is located.
:type source_directory: str
:param target_directory: Subdirectory in InaSAFE temp dir that we want to
put the files into. Default to 'testing'.
:type target_directory: str
"""
extensions = [".prj", ".sld", "qml", ".prj", extension]
if include_keywords:
extensions.append(".xml")
temp_path = unique_filename(dir=temp_dir(target_directory))
# copy to temp file
for ext in extensions:
src_path = os.path.join(source_directory, name + ext)
if os.path.exists(src_path):
trg_path = temp_path + ext
shutil.copy2(src_path, trg_path)
raster_path = "%s%s" % (temp_path, extension)
layer = QgsRasterLayer(raster_path, os.path.basename(raster_path))
return layer
def html_to_file(html, file_path=None, open_browser=False):
"""Save the html to an html file adapting the paths to the filesystem.
if a file_path is passed, it is used, if not a unique_filename is
generated.
:param html: the html for the output file.
:type html: str
:param file_path: the path for the html output file.
:type file_path: str
:param open_browser: if true open the generated html in an external browser
:type open_browser: bool
"""
if file_path is None:
file_path = unique_filename(suffix='.html')
# Ensure html is in unicode for codecs module
html = get_unicode(html)
with codecs.open(file_path, 'w', encoding='utf-8') as f:
f.write(html)
if open_browser:
open_in_browser(file_path)
def test_sorted_impacted_cities(self):
"""Test getting impacted cities sorted by mmi then population."""
working_dir = shakemap_extract_dir()
shake_event = ShakeEvent(
working_dir=working_dir,
event_id=SHAKE_ID,
data_is_local_flag=True)
table = shake_event.sorted_impacted_cities()
file_path = unique_filename(
prefix='test_sorted_impacted_cities',
suffix='.txt',
dir=temp_dir('test'))
cities_file = file(file_path, 'w')
cities_file.writelines(str(table))
cities_file.close()
table = str(table).replace(', \'', ',\n\'')
table += '\n'
fixture_path = os.path.join(
data_dir(), 'tests', 'test_sorted_impacted_cities.txt')
cities_file = file(fixture_path)
expected_string = cities_file.read()
cities_file.close()
expected_string = expected_string.replace(', \'', ',\n\'')
self.max_diff = None
message = 'Expectation:\n%s, Got\n%s' % (expected_string, table)
self.assertEqual(expected_string, table, message)
def html_to_file(html, file_path=None, open_browser=False):
"""Save the html to an html file adapting the paths to the filesystem.
if a file_path is passed, it is used, if not a unique_filename is
generated.
:param html: the html for the output file.
:type html: str
:param file_path: the path for the html output file.
:type file_path: str
:param open_browser: if true open the generated html in an external browser
:type open_browser: bool
"""
if file_path is None:
file_path = unique_filename(suffix='.html')
# Ensure html is in unicode for codecs module
html = get_unicode(html)
with codecs.open(file_path, 'w', encoding='utf-8') as f:
f.write(html)
if open_browser:
open_in_browser(file_path)
def test_print_default_template(self):
"""Test printing report to pdf using default template works."""
impact_layer_path = test_data_path(
'impact', 'population_affected_entire_area.shp')
layer, _ = load_layer(impact_layer_path)
# noinspection PyUnresolvedReferences
QgsMapLayerRegistry.instance().addMapLayer(layer)
# noinspection PyCallingNonCallable
rect = QgsRectangle(106.8194, -6.2108, 106.8201, -6.1964)
CANVAS.setExtent(rect)
CANVAS.refresh()
template = resources_path(
'qgis-composer-templates', 'inasafe-portrait-a4.qpt')
report = ImpactReport(IFACE, template, layer)
out_path = unique_filename(
prefix='map_default_template_test',
suffix='.pdf',
dir=temp_dir('test'))
report.print_map_to_pdf(out_path)
# Check the file exists
message = 'Rendered output does not exist: %s' % out_path
self.assertTrue(os.path.exists(out_path), message)
# Check the file is not corrupt
message = 'The output file %s is corrupt' % out_path
out_size = os.stat(out_path).st_size
self.assertTrue(out_size > 0, message)
# Check the components in composition are default components
if qgis_version() < 20500:
safe_logo = report.composition.getComposerItemById(
'safe-logo').pictureFile()
north_arrow = report.composition.getComposerItemById(
'north-arrow').pictureFile()
org_logo = report.composition.getComposerItemById(
'organisation-logo').pictureFile()
else:
safe_logo = report.composition.getComposerItemById(
'safe-logo').picturePath()
north_arrow = report.composition.getComposerItemById(
'north-arrow').picturePath()
org_logo = report.composition.getComposerItemById(
'organisation-logo').picturePath()
expected_safe_logo = resources_path(
'img', 'logos', 'inasafe-logo-url.svg')
expected_north_arrow = resources_path(
'img', 'north_arrows', 'simple_north_arrow.png')
expected_org_logo = resources_path('img', 'logos', 'supporters.png')
message = 'The safe logo path is not the default one'
self.assertEqual(expected_safe_logo, safe_logo, message)
message = 'The north arrow path is not the default one'
self.assertEqual(expected_north_arrow, north_arrow, message)
message = 'The organisation logo path is not the default one'
self.assertEqual(expected_org_logo, org_logo, message)
def test_convert_grid_to_raster(self):
"""Test converting grid.xml to raster (tif file)
"""
grid_path = os.path.join(TESTDATA, 'grid.xml')
grid_title = 'Earthquake'
grid_source = 'USGS'
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
result = convert_mmi_data(
grid_path, grid_title, grid_source, output_raster)
expected_result = output_raster.replace('.tif', '-nearest.tif')
self.assertEqual(
result, expected_result,
'Result path not as expected')
exists = os.path.exists(result)
self.assertTrue(exists, 'File result : %s does not exist' % result)
exists = os.path.exists(result[:-3] + 'keywords')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'keywords')
exists = os.path.exists(result[:-3] + 'qml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'qml')
def clone_shp_layer(
name,
include_keywords,
source_directory,
target_directory='test'):
"""Helper function that copies a test shp layer and returns it.
:param name: The default name for the shp layer.
:type name: str
:param include_keywords: Include keywords file if True.
:type include_keywords: bool
:param source_directory: Directory where the file is located.
:type source_directory: str
:param target_directory: Subdirectory in InaSAFE temp dir that we want to
put the files into. Default to 'test'.
:type target_directory: str
"""
extensions = ['.shp', '.shx', '.dbf', '.prj']
if include_keywords:
extensions.append('.keywords')
temp_path = unique_filename(dir=temp_dir(target_directory))
# copy to temp file
for ext in extensions:
src_path = os.path.join(source_directory, name + ext)
if os.path.exists(src_path):
target_path = temp_path + ext
shutil.copy2(src_path, target_path)
shp_path = '%s.shp' % temp_path
layer = QgsVectorLayer(shp_path, os.path.basename(shp_path), 'ogr')
return layer
def test_convert_grid_to_raster(self):
"""Test converting grid.xml to raster (tif file)"""
grid_title = 'Earthquake'
grid_source = 'USGS'
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
result = convert_mmi_data(
GRID_PATH, grid_title, grid_source, output_path=output_raster,
algorithm=NEAREST_NEIGHBOUR)
expected_result = output_raster.replace(
'.tif', '-%s.tif' % NEAREST_NEIGHBOUR)
self.assertEqual(
result, expected_result,
'Result path not as expected')
exists = os.path.exists(result)
self.assertTrue(exists, 'File result : %s does not exist' % result)
exists = os.path.exists(result[:-3] + 'xml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'xml')
exists = os.path.exists(result[:-3] + 'qml')
self.assertTrue(
exists,
'File result : %s does not exist' % result[:-3] + 'qml')
def test_relative_path(self):
"""Test we calculate the relative paths correctly when saving scenario.
"""
result, message = setup_scenario(self.DOCK,
hazard='Classified Flood',
exposure='Population')
self.assertTrue(result, message)
fake_dir = standard_data_path()
scenario_file = unique_filename(prefix='scenarioTest',
suffix='.txt',
dir=fake_dir)
exposure_layer = layer_from_combo(
self.DOCK.exposure_layer_combo).publicSource()
hazard_layer = layer_from_combo(
self.DOCK.hazard_layer_combo).publicSource()
relative_exposure = self.save_scenario_dialog.relative_path(
scenario_file, exposure_layer)
relative_hazard = self.save_scenario_dialog.relative_path(
scenario_file, hazard_layer)
if 'win32' in sys.platform:
# windows
self.assertEqual('exposure\\pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual('hazard\\classified_flood_20_20.asc',
relative_hazard)
else:
self.assertEqual('exposure/pop_binary_raster_20_20.asc',
relative_exposure)
self.assertEqual('hazard/classified_flood_20_20.asc',
relative_hazard)
def read_from_qgis_native(self, qgis_layer):
"""Read and unpack vector data from qgis layer QgsVectorLayer.
A stub is used now:
save all data in a file,
then call safe.read_from_file
Raises:
* TypeError if qgis is not avialable
* IOError if can't store temporary file
"""
# FIXME (DK): this branch isn't covered by test
if not QGIS_IS_AVAILABLE:
msg = ('Used data is QgsVectorLayer instance, '
'but QGIS is not avialable.')
raise TypeError(msg)
base_name = unique_filename()
file_name = base_name + '.shp'
error = QgsVectorFileWriter.writeAsVectorFormat(
qgis_layer,
file_name,
"UTF8",
qgis_layer.crs(),
"ESRI Shapefile"
)
if error != QgsVectorFileWriter.NoError:
# FIXME (DK): this branch isn't covered by test
msg = ('Can not save data in temporary file.')
raise IOError(msg)
# Write keywords if any
write_keywords(self.keywords, base_name + '.keywords')
self.read_from_file(file_name)
def clone_shp_layer(name,
include_keywords,
source_directory,
target_directory='test'):
"""Helper function that copies a test shp layer and returns it.
:param name: The default name for the shp layer.
:type name: str
:param include_keywords: Include keywords file if True.
:type include_keywords: bool
:param source_directory: Directory where the file is located.
:type source_directory: str
:param target_directory: Subdirectory in InaSAFE temp dir that we want to
put the files into. Default to 'test'.
:type target_directory: str
"""
extensions = ['.shp', '.shx', '.dbf', '.prj']
if include_keywords:
extensions.append('.keywords')
extensions.append('.xml')
temp_path = unique_filename(dir=temp_dir(target_directory))
# copy to temp file
for ext in extensions:
src_path = os.path.join(source_directory, name + ext)
if os.path.exists(src_path):
target_path = temp_path + ext
shutil.copy2(src_path, target_path)
shp_path = '%s.shp' % temp_path
layer = QgsVectorLayer(shp_path, os.path.basename(shp_path), 'ogr')
return layer
def testSqliteWriting(self):
"""Test that writing a dataset to sqlite works."""
keywords = read_keywords(SHP_BASE + '.keywords')
layer = Vector(data=SHP_BASE + '.shp', keywords=keywords)
test_dir = temp_dir(sub_dir='test')
test_file = unique_filename(suffix='.sqlite', dir=test_dir)
layer.write_to_file(test_file, sublayer='foo')
def test_print_default_template(self):
"""Test printing report to pdf using default template works."""
impact_layer_path = test_data_path(
'impact', 'population_affected_entire_area.shp')
layer, _ = load_layer(impact_layer_path)
# noinspection PyUnresolvedReferences,PyArgumentList
QgsMapLayerRegistry.instance().addMapLayer(layer)
# noinspection PyCallingNonCallable
rect = QgsRectangle(106.8194, -6.2108, 106.8201, -6.1964)
CANVAS.setExtent(rect)
CANVAS.refresh()
template = resources_path('qgis-composer-templates',
'a4-portrait-blue.qpt')
report = ImpactReport(IFACE, template, layer)
out_path = unique_filename(prefix='map_default_template_test',
suffix='.pdf',
dir=temp_dir('test'))
report.print_map_to_pdf(out_path)
# Check the file exists
message = 'Rendered output does not exist: %s' % out_path
self.assertTrue(os.path.exists(out_path), message)
# Check the file is not corrupt
message = 'The output file %s is corrupt' % out_path
out_size = os.stat(out_path).st_size
self.assertTrue(out_size > 0, message)
# Check the components in composition are default components
if qgis_version() < 20500:
safe_logo = report.composition.getComposerItemById(
'inasafe-logo').pictureFile()
north_arrow = report.composition.getComposerItemById(
'north-arrow').pictureFile()
org_logo = report.composition.getComposerItemById(
'organisation-logo').pictureFile()
else:
safe_logo = report.composition.getComposerItemById(
'white-inasafe-logo').picturePath()
north_arrow = report.composition.getComposerItemById(
'north-arrow').picturePath()
org_logo = report.composition.getComposerItemById(
'organisation-logo').picturePath()
expected_safe_logo = resources_path('img', 'logos',
'inasafe-logo-url-white.svg')
expected_north_arrow = resources_path('img', 'north_arrows',
'simple_north_arrow.png')
expected_org_logo = resources_path('img', 'logos', 'supporters.png')
message = ('The safe logo path is not the default one: %s isn\'t %s' %
(expected_safe_logo, safe_logo))
self.assertEqual(expected_safe_logo, safe_logo, message)
message = 'The north arrow path is not the default one'
self.assertEqual(expected_north_arrow, north_arrow, message)
message = 'The organisation logo path is not the default one'
self.assertEqual(expected_org_logo, org_logo, message)
def print_map_to_pdf(self, output_path):
"""Generate the printout for our final map as pdf.
:param output_path: Path on the file system to which the pdf should be
saved. If None, a generated file name will be used.
:type output_path: str
:returns: File name of the output file (equivalent to filename if
provided).
:rtype: str
"""
LOGGER.debug('InaSAFE Map print_to_pdf called')
self.setup_composition()
try:
self.load_template()
except TemplateLoadingError:
raise
self.draw_composition()
if output_path is None:
output_path = unique_filename(
prefix='report', suffix='.pdf', dir=temp_dir())
self.composition.exportAsPDF(output_path)
return output_path
def Xtest_print_impact_table(self):
"""Test print impact table to pdf."""
impact_layer_path = test_data_path(
'impact', 'population_affected_entire_area.shp')
layer, _ = load_layer(impact_layer_path)
# noinspection PyUnresolvedReferences,PyArgumentList
QgsMapLayerRegistry.instance().addMapLayer(layer)
# noinspection PyCallingNonCallable
rect = QgsRectangle(106.8194, -6.2108, 106.8201, -6.1964)
CANVAS.setExtent(rect)
CANVAS.refresh()
template = resources_path(
'qgis-composer-templates', 'a4-portrait-blue.qpt')
report = ImpactReport(IFACE, template, layer)
report.template = template # just to cover set template
out_path = unique_filename(
prefix='test_print_impact_table',
suffix='.pdf',
dir=temp_dir('test'))
report.print_impact_table(out_path)
# Check the file exists
message = 'Rendered output does not exist: %s' % out_path
self.assertTrue(os.path.exists(out_path), message)
# Check the file is not corrupt
message = 'The output file %s is corrupt' % out_path
out_size = os.stat(out_path).st_size
self.assertTrue(out_size > 0, message)
def test_converting(self):
"""Test converting grif file to tiff."""
dialog = ShakemapConverterDialog(PARENT, IFACE)
dialog.use_output_default.setEnabled(False)
grid_path = standard_data_path(
'hazard',
'shake_data',
'20131105060809',
'output',
'grid.xml')
output_raster = unique_filename(
prefix='result_grid',
suffix='.tif',
dir=temp_dir('test'))
dialog.load_result.setEnabled(True)
dialog.load_result.setChecked(False)
dialog.input_path.setText(grid_path)
dialog.nearest_mode.setChecked(True)
dialog.output_path.setText(output_raster)
button = dialog.button_box.button(QDialogButtonBox.Ok)
button.click()
msg = 'Raster is not created'
output_path = '%s-nearest.tif' % output_raster[:-4]
self.assertTrue(os.path.exists(output_path), msg)
def smooth_shakemap(shakemap_layer_path,
output_file_path='',
active_band=1,
smoothing_method=NUMPY_SMOOTHING,
smoothing_sigma=0.9):
"""Make a smoother shakemap layer from a shake map.
:param shakemap_layer_path: The shake map raster layer path.
:type shakemap_layer_path: basestring
:param active_band: The band which the data located, default to 1.
:type active_band: int
:param smoothing_method: The smoothing method that wanted to be used.
:type smoothing_method: NONE_SMOOTHING, NUMPY_SMOOTHING, SCIPY_SMOOTHING
:param smooth_sigma: parameter for gaussian filter used in smoothing
function.
:type smooth_sigma: float
:returns: The contour of the shake map layer.
:rtype: QgsRasterLayer
"""
# Set output path
if not output_file_path:
output_file_path = unique_filename(suffix='.tiff', dir=temp_dir())
# convert to numpy
shakemap_file = gdal.Open(shakemap_layer_path)
shakemap_array = np.array(
shakemap_file.GetRasterBand(active_band).ReadAsArray())
# do smoothing
if smoothing_method == NUMPY_SMOOTHING:
smoothed_array = convolve(shakemap_array,
gaussian_kernel(smoothing_sigma))
else:
smoothed_array = shakemap_array
# Create smoothed shakemap raster layer
driver = gdal.GetDriverByName('GTiff')
smoothed_shakemap_file = driver.Create(output_file_path,
shakemap_file.RasterXSize,
shakemap_file.RasterYSize, 1)
smoothed_shakemap_file.GetRasterBand(1).WriteArray(smoothed_array)
# CRS
smoothed_shakemap_file.SetProjection(shakemap_file.GetProjection())
smoothed_shakemap_file.SetGeoTransform(shakemap_file.GetGeoTransform())
smoothed_shakemap_file.FlushCache()
del smoothed_shakemap_file
if not os.path.isfile(output_file_path):
raise FileNotFoundError(
tr('The smoothed shakemap is not created. It should be at '
'{output_file_path}'.format(output_file_path=output_file_path)))
return output_file_path
def test_sqlite_writing(self):
"""Test that writing a dataset to sqlite works."""
keywords = {}
layer = Vector(data=SHP_BASE + '.shp', keywords=keywords)
test_dir = temp_dir(sub_dir='test')
test_file = unique_filename(suffix='.sqlite', dir=test_dir)
layer.write_to_file(test_file, sublayer='foo')
self.assertTrue(os.path.exists(test_file))
def test_sqlite_writing(self):
"""Test that writing a dataset to sqlite works."""
keywords = {}
layer = Vector(data=SHP_BASE + '.shp', keywords=keywords)
test_dir = temp_dir(sub_dir='test')
test_file = unique_filename(suffix='.sqlite', dir=test_dir)
layer.write_to_file(test_file, sublayer='foo')
self.assertTrue(os.path.exists(test_file))
def test_sqlite_writing(self):
"""Test that writing a dataset to sqlite works."""
keywords = read_keywords(SHP_BASE + ".keywords")
layer = Vector(data=SHP_BASE + ".shp", keywords=keywords)
test_dir = temp_dir(sub_dir="test")
test_file = unique_filename(suffix=".sqlite", dir=test_dir)
layer.write_to_file(test_file, sublayer="foo")
self.assertTrue(os.path.exists(test_file))
def test_save_scenario(self):
"""Test saving Current scenario."""
result, message = setup_scenario(
DOCK,
hazard='Classified Flood',
exposure='Population',
function='Be affected by each hazard class',
function_id='ClassifiedRasterHazardPopulationFunction')
self.assertTrue(result, message)
# Enable on-the-fly reprojection
set_canvas_crs(GEOCRS, True)
set_jakarta_extent(dock=DOCK)
# create unique file
scenario_file = unique_filename(
prefix='scenarioTest', suffix='.txt', dir=temp_dir('test'))
self.save_scenario_dialog.save_scenario(
scenario_file_path=scenario_file)
with open(scenario_file) as f:
data = f.readlines()
title = data[0][:-1]
exposure = data[1][:-1]
hazard = data[2][:-1]
function = data[3][:-1]
extent = data[4][:-1]
self.assertTrue(
os.path.exists(scenario_file),
'File %s does not exist' % scenario_file)
self.assertTrue(
title == '[Classified Flood]',
'Title is not the same')
self.assertTrue(
exposure.startswith('exposure =') and exposure.endswith(
'pop_binary_raster_20_20.asc'),
'Exposure is not the same')
self.assertTrue(
hazard.startswith('hazard =') and hazard.endswith(
'classified_flood_20_20.asc'),
'Hazard is not the same')
self.assertTrue(
function == (
'function = ClassifiedRasterHazardPopulationFunction'),
'Impact function is not same')
# TODO: figure out why this changed between releases
if qgis_version() < 20400:
# For QGIS 2.0
expected_extent = (
'extent = 106.313333, -6.380000, 107.346667, -6.070000')
self.assertEqual(expected_extent, extent)
else:
# for QGIS 2.4
expected_extent = (
'extent = 106.287500, -6.380000, 107.372500, -6.070000')
self.assertEqual(expected_extent, expected_extent)
def test_save_scenario(self):
"""Test saving Current scenario."""
result, message = setup_scenario(
self.DOCK,
hazard='Classified Flood',
exposure='Population',
function='Be affected',
function_id='ClassifiedRasterHazardPopulationFunction')
self.assertTrue(result, message)
# Enable on-the-fly reprojection
set_canvas_crs(GEOCRS, True)
set_jakarta_extent(dock=self.DOCK)
# create unique file
scenario_file = unique_filename(
prefix='scenarioTest', suffix='.txt', dir=temp_dir('test'))
self.save_scenario_dialog.save_scenario(
scenario_file_path=scenario_file)
with open(scenario_file) as f:
data = f.readlines()
title = data[0][:-1]
exposure = data[1][:-1]
hazard = data[2][:-1]
function = data[3][:-1]
extent = data[4][:-1]
self.assertTrue(
os.path.exists(scenario_file),
'File %s does not exist' % scenario_file)
self.assertTrue(
title == '[Classified Flood]',
'Title is not the same')
self.assertTrue(
exposure.startswith('exposure =') and exposure.endswith(
'pop_binary_raster_20_20.asc'),
'Exposure is not the same')
self.assertTrue(
hazard.startswith('hazard =') and hazard.endswith(
'classified_flood_20_20.asc'),
'Hazard is not the same')
self.assertTrue(
function == (
'function = ClassifiedRasterHazardPopulationFunction'),
'Impact function is not same')
# TODO: figure out why this changed between releases
if qgis_version() < 20400:
# For QGIS 2.0
expected_extent = (
'extent = 106.313333, -6.380000, 107.346667, -6.070000')
self.assertEqual(expected_extent, extent)
else:
# for QGIS 2.4
expected_extent = (
'extent = 106.287500, -6.380000, 107.372500, -6.070000')
self.assertEqual(expected_extent, expected_extent)
def shakemap_contour(shakemap_layer_path, output_file_path='', active_band=1):
"""Creating contour from a shakemap layer.
:param shakemap_layer_path: The shake map raster layer path.
:type shakemap_layer_path: basestring
:param output_file_path: The path where the contour will be saved.
:type output_file_path: basestring
:param active_band: The band which the data located, default to 1.
:type active_band: int
:returns: The contour of the shake map layer path.
:rtype: basestring
"""
# Set output path
if not output_file_path:
output_file_path = unique_filename(suffix='.shp', dir=temp_dir())
output_directory = os.path.dirname(output_file_path)
output_file_name = os.path.basename(output_file_path)
output_base_name = os.path.splitext(output_file_name)[0]
# Based largely on
# http://svn.osgeo.org/gdal/trunk/autotest/alg/contour.py
driver = ogr.GetDriverByName('ESRI Shapefile')
ogr_dataset = driver.CreateDataSource(output_file_path)
if ogr_dataset is None:
# Probably the file existed and could not be overriden
raise ContourCreationError(
'Could not create datasource for:\n%s. Check that the file '
'does not already exist and that you do not have file system '
'permissions issues' % output_file_path)
layer = ogr_dataset.CreateLayer('contour')
for contour_field in contour_fields:
field_definition = create_ogr_field_from_definition(contour_field)
layer.CreateField(field_definition)
shakemap_data = gdal.Open(shakemap_layer_path, GA_ReadOnly)
# see http://gdal.org/java/org/gdal/gdal/gdal.html for these options
contour_interval = 0.5
contour_base = 0
fixed_level_list = []
use_no_data_flag = 0
no_data_value = -9999
id_field = 0 # first field defined above
elevation_field = 1 # second (MMI) field defined above
try:
gdal.ContourGenerate(shakemap_data.GetRasterBand(active_band),
contour_interval, contour_base, fixed_level_list,
use_no_data_flag, no_data_value, layer, id_field,
elevation_field)
except Exception, e:
LOGGER.exception('Contour creation failed')
raise ContourCreationError(str(e))
def test_json_write_no_metadata(self):
"""Test write metadata for no metadata layer file."""
with open(EXISTING_GENERIC_JSON) as f:
expected_json = f.read()
self.assertTrue(os.path.isfile(EXISTING_NO_METADATA))
self.assertFalse(os.path.isfile(EXISTING_NO_METADATA[:-3] + 'xml'))
self.assertFalse(os.path.isfile(EXISTING_NO_METADATA[:-3] + 'json'))
metadata = self.generate_test_metadata(EXISTING_NO_METADATA)
json_filename = unique_filename(suffix='.json', dir=TEMP_DIR)
metadata.write_to_file(json_filename)
with open(json_filename) as f:
written_json = f.read()
self.assertEquals(expected_json, written_json)
xml_filename = unique_filename(suffix='.xml', dir=TEMP_DIR)
metadata.write_to_file(xml_filename)
print xml_filename
def test_copy_keywords(self):
"""Test we can copy the keywords."""
out_path = unique_filename(
prefix='test_copy_keywords', suffix='.keywords')
self.keyword_io.copy_keywords(self.raster_layer, out_path)
copied_keywords = read_file_keywords(out_path)
expected_keywords = self.expected_raster_keywords
message = 'Got:\n%s\nExpected:\n%s\nSource:\n%s' % (
copied_keywords, expected_keywords, out_path)
self.assertEquals(copied_keywords, expected_keywords, message)
def test_json_write_no_metadata(self):
"""Test write metadata for no metadata layer file."""
with open(EXISTING_GENERIC_JSON) as f:
expected_json = f.read()
self.assertTrue(os.path.isfile(EXISTING_NO_METADATA))
self.assertFalse(os.path.isfile(EXISTING_NO_METADATA[:-3] + 'xml'))
self.assertFalse(os.path.isfile(EXISTING_NO_METADATA[:-3] + 'json'))
metadata = self.generate_test_metadata(EXISTING_NO_METADATA)
json_filename = unique_filename(suffix='.json', dir=TEMP_DIR)
metadata.write_to_file(json_filename)
with open(json_filename) as f:
written_json = f.read()
self.assertEquals(expected_json, written_json)
xml_filename = unique_filename(suffix='.xml', dir=TEMP_DIR)
metadata.write_to_file(xml_filename)
print xml_filename
def test_copy_keywords(self):
"""Test we can copy the keywords."""
out_path = unique_filename(
prefix='test_copy_keywords', suffix='.keywords')
self.keyword_io.copy_keywords(self.raster_layer, out_path)
copied_keywords = read_file_keywords(out_path)
expected_keywords = self.expected_raster_keywords
message = 'Got:\n%s\nExpected:\n%s\nSource:\n%s' % (
copied_keywords, expected_keywords, out_path)
self.assertDictEqual(copied_keywords, expected_keywords, message)
def test_json_write(self):
metadata = self.generate_test_metadata()
with open(EXISTING_IMPACT_JSON) as f:
expected_json = f.read()
filename = unique_filename(suffix='.json', dir=TEMP_DIR)
metadata.write_to_file(filename)
with open(filename) as f:
written_json = f.read()
self.assertEquals(expected_json, written_json)
def test_standard_properties(self):
metadata = ExposureLayerMetadata(unique_filename())
with self.assertRaises(KeyError):
metadata.get_property('non_existing_key')
# from BaseMetadata
metadata.get_property('title')
# from ExposureLayerMetadata
metadata.get_property('exposure')
metadata.get_property('exposure_unit')
def test_xml_to_json_to_xml(self):
generated_metadata = OutputLayerMetadata(EXISTING_IMPACT_FILE,
xml_uri=EXISTING_IMPACT_XML)
with open(EXISTING_IMPACT_XML) as f:
expected_metadata = f.read()
json_tmp_file = unique_filename(suffix='.json', dir=TEMP_DIR)
generated_metadata.write_to_file(json_tmp_file)
read_tmp_metadata = OutputLayerMetadata(EXISTING_IMPACT_FILE,
json_uri=json_tmp_file)
self.assertEquals(expected_metadata, read_tmp_metadata.xml)
def test_json_write(self):
metadata = self.generate_test_metadata()
with open(EXISTING_IMPACT_JSON) as f:
expected_json = f.read()
filename = unique_filename(suffix='.json', dir=TEMP_DIR)
metadata.write_to_file(filename)
with open(filename) as f:
written_json = f.read()
self.assertEquals(expected_json, written_json)
def test_standard_properties(self):
metadata = ExposureLayerMetadata(unique_filename())
with self.assertRaises(KeyError):
metadata.get_property('non_existing_key')
# from BaseMetadata
metadata.get_property('title')
# from ExposureLayerMetadata
metadata.get_property('exposure')
metadata.get_property('exposure_unit')
def test_xml_to_json_to_xml(self):
generated_metadata = ImpactLayerMetadata(
EXISTING_IMPACT_FILE,
xml_uri=EXISTING_IMPACT_XML)
with open(EXISTING_IMPACT_XML) as f:
expected_metadata = f.read()
json_tmp_file = unique_filename(suffix='.json', dir=TEMP_DIR)
generated_metadata.write_to_file(json_tmp_file)
read_tmp_metadata = ImpactLayerMetadata(EXISTING_IMPACT_FILE,
json_uri=json_tmp_file)
self.assertEquals(expected_metadata, read_tmp_metadata.xml)
def accept(self):
"""Process the layer for multi buffering and generate a new layer.
.. note:: This is called on OK click.
"""
# set parameter from dialog
input_layer = self.layer.currentLayer()
output_path = self.output_form.text()
radius = self.get_classification()
# monkey patch keywords so layer works on multi buffering function
input_layer.keywords = {'inasafe_fields': {}}
# run multi buffering
self.output_layer = multi_buffering(input_layer, radius)
# save output layer to data store and check whether user
# provide the output path.
if output_path:
self.output_directory, self.output_filename = (
os.path.split(output_path))
self.output_filename, self.output_extension = (
os.path.splitext(self.output_filename))
# if user do not provide the output path, create a temporary file.
else:
self.output_directory = temp_dir(sub_dir='work')
self.output_filename = (
unique_filename(
prefix='hazard_layer',
suffix='.geojson',
dir=self.output_directory))
self.output_filename = os.path.split(self.output_filename)[1]
self.output_filename, self.output_extension = (
os.path.splitext(self.output_filename))
self.data_store = Folder(self.output_directory)
if self.output_extension == '.shp':
self.data_store.default_vector_format = 'shp'
elif self.output_extension == '.geojson':
self.data_store.default_vector_format = 'geojson'
self.data_store.add_layer(self.output_layer, self.output_filename)
# add output layer to map canvas
self.output_layer = self.data_store.layer(self.output_filename)
QgsMapLayerRegistry.instance().addMapLayers(
[self.output_layer])
self.iface.setActiveLayer(self.output_layer)
self.iface.zoomToActiveLayer()
self.done(QtGui.QDialog.Accepted)
if self.keyword_wizard_checkbox.isChecked():
self.launch_keyword_wizard()
def accept(self):
"""Process the layer for multi buffering and generate a new layer.
.. note:: This is called on OK click.
"""
# set parameter from dialog
input_layer = self.layer.currentLayer()
output_path = self.output_form.text()
radius = self.get_classification()
# monkey patch keywords so layer works on multi buffering function
input_layer.keywords = {'inasafe_fields': {}}
# run multi buffering
self.output_layer = multi_buffering(input_layer, radius)
# save output layer to data store and check whether user
# provide the output path.
if output_path:
self.output_directory, self.output_filename = (
os.path.split(output_path))
self.output_filename, self.output_extension = (
os.path.splitext(self.output_filename))
# if user do not provide the output path, create a temporary file.
else:
self.output_directory = temp_dir(sub_dir='work')
self.output_filename = (
unique_filename(
prefix='hazard_layer',
suffix='.geojson',
dir=self.output_directory))
self.output_filename = os.path.split(self.output_filename)[1]
self.output_filename, self.output_extension = (
os.path.splitext(self.output_filename))
self.data_store = Folder(self.output_directory)
if self.output_extension == '.shp':
self.data_store.default_vector_format = 'shp'
elif self.output_extension == '.geojson':
self.data_store.default_vector_format = 'geojson'
self.data_store.add_layer(self.output_layer, self.output_filename)
# add output layer to map canvas
self.output_layer = self.data_store.layer(self.output_filename)
QgsMapLayerRegistry.instance().addMapLayers(
[self.output_layer])
self.iface.setActiveLayer(self.output_layer)
self.iface.zoomToActiveLayer()
self.done(QtGui.QDialog.Accepted)
if self.keyword_wizard_checkbox.isChecked():
self.launch_keyword_wizard()
def polygonize_gdal(
raster,
threshold_min=0.0,
threshold_max=float('inf')):
"""
Function to polygonize raster. Areas (pixels) with threshold_min <
pixel_values < threshold_max will be converted to polygons.
:param raster: Raster layer
:type raster: QgsRasterLayer
:param threshold_min: Value that splits raster to flooded or not flooded.
:type threshold_min: float
:param threshold_max: Value that splits raster to flooded or not flooded.
:type threshold_max: float
:returns: Polygonal geometry
:rtype: QgsGeometry
"""
# save qgis raster to disk
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
pipe = QgsRasterPipe()
provider = raster.dataProvider()
if not pipe.set(provider.clone()):
msg = "Cannot set pipe provider"
raise GetDataError(msg)
file_writer.writeRaster(
pipe,
provider.xSize(),
provider.ySize(),
provider.extent(),
provider.crs())
(
inside_file_name,
inside_layer_name,
outside_file_name,
outside_layer_name
) = polygonize_thresholds(file_name, threshold_min, threshold_max)
inside_layer = \
QgsVectorLayer(inside_file_name, inside_layer_name, 'ogr')
outside_layer = \
QgsVectorLayer(outside_file_name, outside_layer_name, 'ogr')
if inside_layer.featureCount() == 0:
return None, None
else:
return inside_layer, outside_layer
def test_local_cities(self):
"""Test that we can retrieve the cities local to the event"""
working_dir = shakemap_extract_dir()
shake_event = ShakeEvent(
working_dir=working_dir,
event_id=SHAKE_ID,
data_is_local_flag=True)
# Get teh mem layer
cities_layer = shake_event.local_cities_memory_layer()
provider = cities_layer.dataProvider()
expected_feature_count = 2
self.assertEquals(provider.featureCount(), expected_feature_count)
strings = []
request = QgsFeatureRequest()
for feature in cities_layer.getFeatures(request):
# fetch map of attributes
attributes = cities_layer.dataProvider().attributeIndexes()
for attribute_key in attributes:
strings.append("%d: %s\n" % (
attribute_key, feature[attribute_key]))
strings.append('------------------\n')
LOGGER.debug('Mem table:\n %s' % strings)
file_path = unique_filename(prefix='test_local_cities',
suffix='.txt',
dir=temp_dir('test'))
cities_file = file(file_path, 'w')
cities_file.writelines(strings)
cities_file.close()
fixture_path = os.path.join(data_dir(),
'tests',
'test_local_cities.txt')
cities_file = file(fixture_path)
expected_string = cities_file.readlines()
cities_file.close()
diff = difflib.unified_diff(expected_string, strings)
diff_list = list(diff)
diff_string = ''
for _, myLine in enumerate(diff_list):
diff_string += myLine
message = ('Diff is not zero length:\n'
'Control file: %s\n'
'Test file: %s\n'
'Diff:\n%s' %
(fixture_path,
file_path,
diff_string))
self.assertEqual(diff_string, '', message)
def polygonize_gdal(
raster,
threshold_min=0.0,
threshold_max=float('inf')):
"""
Function to polygonize raster. Areas (pixels) with threshold_min <
pixel_values < threshold_max will be converted to polygons.
:param raster: Raster layer
:type raster: QgsRasterLayer
:param threshold_min: Value that splits raster to flooded or not flooded.
:type threshold_min: float
:param threshold_max: Value that splits raster to flooded or not flooded.
:type threshold_max: float
:returns: Polygonal geometry
:rtype: QgsGeometry
"""
# save qgis raster to disk
base_name = unique_filename()
file_name = base_name + '.tif'
file_writer = QgsRasterFileWriter(file_name)
pipe = QgsRasterPipe()
provider = raster.dataProvider()
if not pipe.set(provider.clone()):
msg = "Cannot set pipe provider"
raise GetDataError(msg)
file_writer.writeRaster(
pipe,
provider.xSize(),
provider.ySize(),
provider.extent(),
provider.crs())
(
inside_file_name,
inside_layer_name,
outside_file_name,
outside_layer_name
) = polygonize_thresholds(file_name, threshold_min, threshold_max)
inside_layer = \
QgsVectorLayer(inside_file_name, inside_layer_name, 'ogr')
outside_layer = \
QgsVectorLayer(outside_file_name, outside_layer_name, 'ogr')
if inside_layer.featureCount() == 0:
return None, None
else:
return inside_layer, outside_layer
