def decluster_GK74(catalogue):
from hmtk.seismicity.declusterer.dec_gardner_knopoff import GardnerKnopoffType1
from hmtk.seismicity.declusterer.distance_time_windows import GardnerKnopoffWindow
decluster_config = {
'time_distance_window': GardnerKnopoffWindow(),
'fs_time_prop': 1.0
}
#####################################################
# decluster here
#####################################################
print 'Running GK declustering...'
decluster_method = GardnerKnopoffType1()
#---------------------------------------------
# declustering
cluster_index_gk, cluster_flags_gk = decluster_method.decluster(
catalogue, decluster_config)
#---------------------------------------------
# adding to the catalog
# The cluster flag (main shock or after/foreshock) and cluster index to the catalogue keys
catalogue.data['cluster_index_gk'] = cluster_index_gk
catalogue.data['cluster_flags_gk'] = cluster_flags_gk
#####################################################
# purge remove non-poissonian events
#####################################################
# create a copy from the catalogue object to preserve it
catalogue_gk = deepcopy(catalogue)
catalogue_gk.purge_catalogue(
cluster_flags_gk == 0) # cluster_flags == 0: mainshocks
print 'Gardner-Knopoff\tbefore: ', catalogue.get_number_events(
), " after: ", catalogue_gk.get_number_events()
#####################################################
# write declustered catalogue
#####################################################
# setup the writer
declustered_catalog_file = hmtk_csv.split('.')[0] + '_declustered_GK74.csv'
# if it exists, delete previous file
try:
remove(declustered_catalog_file)
except:
print declustered_catalog_file, 'does not exist'
# set-up writer
writer = CsvCatalogueWriter(declustered_catalog_file)
# write
writer.write_file(catalogue_gk)
#writer.write_file(catalogue_af)
print 'Declustered catalogue: ok\n'
class CsvCatalogueParserTestCase(unittest.TestCase):
""" Unit tests for the csv Catalogue Parser Class"""
BASE_DATA_PATH = os.path.join(os.path.dirname(__file__), 'data')
def setUp(self):
self.gardner_knopoff_window = GardnerKnopoffWindow()
self.gruenthal_window = GruenthalWindow()
self.uhrhammer_window = UhrhammerWindow()
def test_gardner_knopoff_window(self):
"""
Test the Gardner and Knopoff Distance-Time window
"""
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.gardner_knopoff_window.calc(mag)
self.assertAlmostEqual(sw_space[0], 39.99447, places=5)
self.assertAlmostEqual(sw_space[1], 63.10736, places=5)
self.assertAlmostEqual(sw_time[0], 143.71430 / 364.75, places=5)
self.assertAlmostEqual(sw_time[1], 891.45618 / 364.75, places=5)
def test_gruenthal_window(self):
"""
Test the Gruenthal Distance-Time window
"""
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.gruenthal_window.calc(mag)
#self.assertAlmostEqual(sw_space[0], 39.99447, places=5)
#self.assertAlmostEqual(sw_time[0], 143.71430/364.75, places=5)
#self.assertAlmostEqual(sw_space[1], 63.10736, places=5)
#self.assertAlmostEqual(sw_time[1], 891.45618/364.75, places=5)
def test_uhrhammer_window(self):
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.uhrhammer_window.calc(mag)
class CsvCatalogueParserTestCase(unittest.TestCase):
""" Unit tests for the csv Catalogue Parser Class"""
BASE_DATA_PATH = os.path.join(os.path.dirname(__file__), "data")
def setUp(self):
self.gardner_knopoff_window = GardnerKnopoffWindow()
self.gruenthal_window = GruenthalWindow()
self.uhrhammer_window = UhrhammerWindow()
def test_gardner_knopoff_window(self):
"""
Test the Gardner and Knopoff Distance-Time window
"""
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.gardner_knopoff_window.calc(mag)
self.assertAlmostEqual(sw_space[0], 39.99447, places=5)
self.assertAlmostEqual(sw_space[1], 63.10736, places=5)
self.assertAlmostEqual(sw_time[0], 143.71430 / 364.75, places=5)
self.assertAlmostEqual(sw_time[1], 891.45618 / 364.75, places=5)
def test_gruenthal_window(self):
"""
Test the Gruenthal Distance-Time window
"""
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.gruenthal_window.calc(mag)
# self.assertAlmostEqual(sw_space[0], 39.99447, places=5)
# self.assertAlmostEqual(sw_time[0], 143.71430/364.75, places=5)
# self.assertAlmostEqual(sw_space[1], 63.10736, places=5)
# self.assertAlmostEqual(sw_time[1], 891.45618/364.75, places=5)
def test_uhrhammer_window(self):
mag = np.array([5.0, 6.6])
sw_space, sw_time = self.uhrhammer_window.calc(mag)
def test_dec_gardner_knopoff(self):
"""
Testing the Gardner and Knopoff algorithm
"""
config = {
'time_distance_window': GardnerKnopoffWindow(),
'fs_time_prop': 1.0
}
# Instantiate the declusterer and process the sample catalogue
dec = GardnerKnopoffType1()
vcl, flagvector = dec.decluster(self.cat, config)
print 'vcl:', vcl
print 'flagvector:', flagvector, self.cat.data['flag']
self.assertTrue(np.allclose(flagvector, self.cat.data['flag']))
def test_dec_afteran(self):
"""
Testing the Afteran algorithm
"""
config = {
'time_distance_window': GardnerKnopoffWindow(),
'time_window': 60.}
# Instantiate the declusterer and process the sample catalogue
# self.dec = Afteran()
print(dir(self.dec))
vcl, flagvector = self.dec.decluster(self.cat, config)
print('vcl:', vcl)
print('flagvector:', flagvector, self.cat.data['flag'])
self.assertTrue(np.allclose(flagvector, self.cat.data['flag']))
writer = CsvCatalogueWriter(output_file_name)
# Write the catalogue to file
writer.write_file(catalogue)
#exit()
print 'File %s written' % output_file_name
f = open(input_catalogue_file + ".pkl", 'wb')
pickle.dump(catalogue, f)
f.close()
# Set up the declustering algorithm
# Step 1 - set-up the tool
gardner_knopoff = GardnerKnopoffType1()
declust_config = {
'time_distance_window': GardnerKnopoffWindow(),
'fs_time_prop': 1.0
}
print declust_config
print 'Running declustering ...'
vcl, flag_vector = gardner_knopoff.decluster(catalogue, declust_config)
print 'done!'
print '%s clusters found' % np.max(vcl)
print '%s Non-poissionian events identified' % np.sum(flag_vector != 0)
# In[ ]:
# Setup the algorithm
afteran = Afteran()
declust_config = {
def setUp(self):
self.gardner_knopoff_window = GardnerKnopoffWindow()
self.gruenthal_window = GruenthalWindow()
self.uhrhammer_window = UhrhammerWindow()
def setUp(self):
self.gardner_knopoff_window = GardnerKnopoffWindow()
self.gruenthal_window = GruenthalWindow()
self.uhrhammer_window = UhrhammerWindow()
