def computeActivityFromBackground(feature, layer_fault_background, layer_background, catalog, mmin=atticivy.ATTICIVY_MMIN, m_threshold=FAULT_BACKGROUND_MAG_THRESHOLD, mindepth=eqcatalog.CUT_DEPTH_MIN, maxdepth=eqcatalog.CUT_DEPTH_MAX, ui_mode=True): """Compute activity parameters a and b for (i) fault background zone, and (ii) from buffer zone around fault zone. Input: feature fault source zone layer_fault_background layer_background catalog mmin Output: TODO(fab) """ activity = {} provider_fault_back = layer_fault_background.dataProvider() provider_back = layer_background.dataProvider() # get Shapely polygon from fault zone feature geometry polylist, vertices = utils.polygonsQGS2Shapely((feature, )) try: fault_poly = polylist[0] except IndexError: error_msg = "Background activity: invalid FSZ geometry, id %s" % ( feature.id()) if ui_mode is True: QMessageBox.warning(None, "FSZ Warning", error_msg) else: print error_msg return None # get buffer zone around fault zone (convert buffer distance to degrees) (bz_poly, bz_area) = utils.computeBufferZone(fault_poly, momentrate.BUFFER_AROUND_FAULT_ZONE_KM) # find fault background zone in which centroid of fault zone lies # NOTE: this can yield a wrong background zone if the fault zone # is curved and at the edge of background zone. # TODO(fab): use GIS "within" function instead, but note that fault # zone can overlap several BG zones (fbz, fbz_poly, fbz_area) = utils.findBackgroundZone(fault_poly.centroid, provider_fault_back, ui_mode=ui_mode) if fbz is None: error_msg = "Recurrence: could not determine FBZ for zone %s" % ( feature.id()) if ui_mode is True: QMessageBox.warning(None, "Recurrence Warning", error_msg) else: print error_msg fbz_id = None else: attribute_map_fbz = utils.getAttributeIndex( provider_fault_back, (features.FAULT_BACKGROUND_ATTR_ID, ), create=False) # get fault background zone ID id_name = features.FAULT_BACKGROUND_ATTR_ID['name'] fbz_id = int(fbz[attribute_map_fbz[id_name][0]].toDouble()[0]) # get mmax and mcdist for FBZ from background zone (mcdist_qv, mmax_qv) = areasource.getAttributesFromBackgroundZones( fbz_poly.centroid, provider_back, areasource.MCDIST_MMAX_ATTRIBUTES, ui_mode=ui_mode) if mcdist_qv is None or mmax_qv is None: error_msg = "Recurrence: could not determine mcdist or mmax for "\ "zone %s" % (feature.id()) if ui_mode is True: QMessageBox.warning(None, "Recurrence Warning", error_msg) else: print error_msg return None else: mmax = float(mmax_qv.toDouble()[0]) mcdist = str(mcdist_qv.toString()) ## moment rate from activity (RM) # a and b value from FBZ # cut catalog with depth constraint cat_cut = QPCatalog.QPCatalog() cat_cut.merge(catalog) cat_cut.cut(mindepth=mindepth, maxdepth=maxdepth) activity_fbz = atticivy.computeActivityAtticIvy((fbz_poly, ), (mmax, ), (mcdist, ), cat_cut, mmin=mmin, ui_mode=ui_mode) activity['fbz'] = { 'ID': fbz_id, 'area': fbz_area, 'activity': activity_fbz[0] } # get separate catalogs below and above magnitude threshold cat_below_threshold = QPCatalog.QPCatalog() cat_below_threshold.merge(cat_cut) cat_below_threshold.cut(maxmag=m_threshold, maxmag_excl=True) cat_above_threshold = QPCatalog.QPCatalog() cat_above_threshold.merge(cat_cut) cat_above_threshold.cut(minmag=m_threshold, maxmag_excl=False) activity_below_threshold = atticivy.computeActivityAtticIvy( (fbz_poly, ), (mmax, ), (mcdist, ), cat_below_threshold, mmin=mmin, ui_mode=ui_mode) activity['fbz_below'] = { 'ID': fbz_id, 'area': fbz_area, 'activity': activity_below_threshold[0] } activity_above_threshold = atticivy.computeActivityAtticIvy( (fbz_poly, ), (mmax, ), (mcdist, ), cat_above_threshold, mmin=mmin, ui_mode=ui_mode) activity['fbz_above'] = { 'ID': fbz_id, 'area': fbz_area, 'activity': activity_above_threshold[0] } # a and b value on buffer zone activity_bz = atticivy.computeActivityAtticIvy((bz_poly, ), (mmax, ), (mcdist, ), cat_cut, mmin, ui_mode=ui_mode) activity['bz'] = {'area': bz_area, 'activity': activity_bz[0]} activity['background'] = {'mmax': mmax, 'mcdist': mcdist} return activity
def updateDataFaultBackgr(cls, feature, m_threshold=recurrence.FAULT_BACKGROUND_MAG_THRESHOLD): """Update or compute moment rates for selected feature of fault background zone layer. Input: feature QGis polygon feature from fault background zone layer Output: parameters dict of computed parameters """ provider = cls.fault_background_layer.dataProvider() provider_fault = cls.fault_source_layer.dataProvider() provider_area = cls.area_source_layer.dataProvider() provider_back = cls.background_zone_layer.dataProvider() parameters = {} # get Shapely polygon from feature geometry polylist, vertices = utils.polygonsQGS2Shapely((feature,)) poly = polylist[0] # get polygon area in square kilometres parameters['area_background_sqkm'] = \ utils.polygonAreaFromWGS84(poly) * 1.0e-6 # get mmax and mcdist for FBZ from background zone (mcdist_qv, mmax_qv) = areasource.getAttributesFromBackgroundZones( poly.centroid, provider_back, areasource.MCDIST_MMAX_ATTRIBUTES) mmax = float(mmax_qv.toDouble()[0]) mcdist = str(mcdist_qv.toString()) parameters['mmax'] = mmax ## moment rate from EQs # get quakes from catalog (cut with fault background zone polygon) poly_cat = QPCatalog.QPCatalog() poly_cat.merge(cls.catalog) poly_cat.cut(geometry=poly) # cut catalog with min/max depth according to UI spinboxes (mindepth, maxdepth) = eqcatalog.getMinMaxDepth(cls) poly_cat.cut(mindepth=mindepth, maxdepth=maxdepth) parameters['eq_count'] = poly_cat.size() # sum up moment from quakes (converted from Mw with Kanamori eq.) magnitudes = [] for ev in poly_cat.eventParameters.event: mag = ev.getPreferredMagnitude() magnitudes.append(mag.mag.value) moment = numpy.array(momentrate.magnitude2moment(magnitudes)) # scale moment: per year and area (in km^2) parameters['mr_eq'] = moment.sum() / ( parameters['area_background_sqkm'] * cls.catalog_time_span[0]) ## moment rate from activity (RM) parameters['activity_mmin'] = atticivy.ATTICIVY_MMIN activity = atticivy.computeActivityAtticIvy( (poly, ), (mmax, ), (mcdist, ), cls.catalog, mmin=parameters['activity_mmin']) # get RM (a, b) values from feature attribute activity_str_a = activity[0][3] activity_arr_a = activity_str_a.strip().split() activity_str_b = activity[0][4] activity_arr_b = activity_str_b.strip().split() # ignore weights activity_a = [float(x) for x in activity_arr_a] activity_b = [float(x) for x in activity_arr_b] parameters['activity_a'] = activity_a parameters['activity_b'] = activity_b a_values = activity_a momentrates_arr = numpy.array(momentrate.momentrateFromActivity( a_values, activity_b, mmax)) / cls.catalog_time_span[0] parameters['mr_activity'] = momentrates_arr.tolist() # get separate catalogs below and above magnitude threshold cat_below_threshold = QPCatalog.QPCatalog() cat_below_threshold.merge(poly_cat) cat_below_threshold.cut(maxmag=m_threshold, maxmag_excl=True) parameters['eq_count_below'] = cat_below_threshold.size() cat_above_threshold = QPCatalog.QPCatalog() cat_above_threshold.merge(poly_cat) cat_above_threshold.cut(minmag=m_threshold, maxmag_excl=False) parameters['eq_count_above'] = cat_above_threshold.size() activity_below_threshold = atticivy.computeActivityAtticIvy( (poly,), (mmax,), (mcdist,), cat_below_threshold, mmin=parameters['activity_mmin']) activity_above_threshold = atticivy.computeActivityAtticIvy( (poly,), (mmax,), (mcdist,), cat_above_threshold, mmin=parameters['activity_mmin']) # get RM (weight, a, b) values from feature attribute activity_below_str_a = activity_below_threshold[0][3] activity_below_arr_a = activity_below_str_a.strip().split() activity_below_str_b = activity_below_threshold[0][4] activity_below_arr_b = activity_below_str_b.strip().split() activity_above_str_a = activity_above_threshold[0][3] activity_above_arr_a = activity_above_str_a.strip().split() activity_above_str_b = activity_above_threshold[0][4] activity_above_arr_b = activity_above_str_b.strip().split() # ignore weights activity_below_a = [float(x) for x in activity_below_arr_a] activity_below_b = [float(x) for x in activity_below_arr_b] activity_above_a = [float(x) for x in activity_above_arr_a] activity_above_b = [float(x) for x in activity_above_arr_b] a_values_below = activity_below_a momentrates_below_arr = numpy.array(momentrate.momentrateFromActivity( a_values_below, activity_below_b, mmax)) / cls.catalog_time_span[0] a_values_above = activity_above_a momentrates_above_arr = numpy.array(momentrate.momentrateFromActivity( a_values_above, activity_above_b, mmax)) / cls.catalog_time_span[0] parameters['activity_below_a'] = activity_below_a parameters['activity_below_b'] = activity_below_b parameters['activity_above_a'] = activity_above_a parameters['activity_above_b'] = activity_above_b parameters['mr_activity_below'] = momentrates_below_arr.tolist() parameters['mr_activity_above'] = momentrates_above_arr.tolist() parameters['activity_m_threshold'] = m_threshold # FMD from quakes in FBZ cls.feature_data_fault_background['fmd'] = fmd.computeZoneFMD(cls, feature, poly_cat) (parameters['ml_a'], parameters['ml_b'], parameters['ml_mc'], parameters['ml_magctr']) = fmd.getFMDValues( cls.feature_data_fault_background['fmd']) ## moment rate from slip rate sliprate_min_name = features.FAULT_SOURCE_ATTR_SLIPRATE_MIN['name'] sliprate_max_name = features.FAULT_SOURCE_ATTR_SLIPRATE_MAX['name'] attribute_map = utils.getAttributeIndex(provider_fault, (features.FAULT_SOURCE_ATTR_SLIPRATE_MIN, features.FAULT_SOURCE_ATTR_SLIPRATE_MAX), create=False) moment_rate_min = 0.0 moment_rate_max = 0.0 parameters['area_fault_sqkm'] = 0.0 parameters['fault_count'] = 0 provider_fault.rewind() for fault in provider_fault: fault_poly, vertices = utils.polygonsQGS2Shapely((fault,)) if fault_poly[0].intersects(poly): parameters['fault_count'] += 1 sliprate_min = \ fault[attribute_map[sliprate_min_name][0]].toDouble()[0] sliprate_max = \ fault[attribute_map[sliprate_max_name][0]].toDouble()[0] area_fault = utils.polygonAreaFromWGS84(fault_poly[0]) # TODO(fab): correct scaling of moment rate from slip rate (rate_min, rate_max) = momentrate.momentrateFromSlipRate( sliprate_min, sliprate_max, area_fault) moment_rate_min += rate_min moment_rate_max += rate_max parameters['area_fault_sqkm'] += area_fault moment_rate_min /= cls.catalog_time_span[0] moment_rate_max /= cls.catalog_time_span[0] parameters['mr_slip'] = [moment_rate_min, moment_rate_max] parameters['area_fault_sqkm'] *= 1.0e-6 ## moment rate from geodesy (strain) momentrate_strain_barba = momentrate.momentrateFromStrainRateBarba( poly, cls.data.strain_rate_barba, cls.data.deformation_regimes_bird) parameters['mr_strain_barba'] = momentrate_strain_barba / ( cls.catalog_time_span[0]) momentrate_strain_bird = momentrate.momentrateFromStrainRateBird(poly, cls.data.strain_rate_bird, cls.data.deformation_regimes_bird) parameters['mr_strain_bird'] = momentrate_strain_bird / ( cls.catalog_time_span[0]) return parameters
def computeActivityFromBackground(feature, layer_fault_background, layer_background, catalog, mmin=atticivy.ATTICIVY_MMIN, m_threshold=FAULT_BACKGROUND_MAG_THRESHOLD, mindepth=eqcatalog.CUT_DEPTH_MIN, maxdepth=eqcatalog.CUT_DEPTH_MAX, ui_mode=True): """Compute activity parameters a and b for (i) fault background zone, and (ii) from buffer zone around fault zone. Input: feature fault source zone layer_fault_background layer_background catalog mmin Output: TODO(fab) """ activity = {} provider_fault_back = layer_fault_background.dataProvider() provider_back = layer_background.dataProvider() # get Shapely polygon from fault zone feature geometry polylist, vertices = utils.polygonsQGS2Shapely((feature,)) try: fault_poly = polylist[0] except IndexError: error_msg = "Background activity: invalid FSZ geometry, id %s" % ( feature.id()) if ui_mode is True: QMessageBox.warning(None, "FSZ Warning", error_msg) else: print error_msg return None # get buffer zone around fault zone (convert buffer distance to degrees) (bz_poly, bz_area) = utils.computeBufferZone(fault_poly, momentrate.BUFFER_AROUND_FAULT_ZONE_KM) # find fault background zone in which centroid of fault zone lies # NOTE: this can yield a wrong background zone if the fault zone # is curved and at the edge of background zone. # TODO(fab): use GIS "within" function instead, but note that fault # zone can overlap several BG zones (fbz, fbz_poly, fbz_area) = utils.findBackgroundZone(fault_poly.centroid, provider_fault_back, ui_mode=ui_mode) if fbz is None: error_msg = "Recurrence: could not determine FBZ for zone %s" % ( feature.id()) if ui_mode is True: QMessageBox.warning(None, "Recurrence Warning", error_msg) else: print error_msg fbz_id = None else: attribute_map_fbz = utils.getAttributeIndex(provider_fault_back, (features.FAULT_BACKGROUND_ATTR_ID,), create=False) # get fault background zone ID id_name = features.FAULT_BACKGROUND_ATTR_ID['name'] fbz_id = int(fbz[attribute_map_fbz[id_name][0]].toDouble()[0]) # get mmax and mcdist for FBZ from background zone (mcdist_qv, mmax_qv) = areasource.getAttributesFromBackgroundZones( fbz_poly.centroid, provider_back, areasource.MCDIST_MMAX_ATTRIBUTES, ui_mode=ui_mode) if mcdist_qv is None or mmax_qv is None: error_msg = "Recurrence: could not determine mcdist or mmax for "\ "zone %s" % (feature.id()) if ui_mode is True: QMessageBox.warning(None, "Recurrence Warning", error_msg) else: print error_msg return None else: mmax = float(mmax_qv.toDouble()[0]) mcdist = str(mcdist_qv.toString()) ## moment rate from activity (RM) # a and b value from FBZ # cut catalog with depth constraint cat_cut = QPCatalog.QPCatalog() cat_cut.merge(catalog) cat_cut.cut(mindepth=mindepth, maxdepth=maxdepth) activity_fbz = atticivy.computeActivityAtticIvy((fbz_poly,), (mmax,), (mcdist,), cat_cut, mmin=mmin, ui_mode=ui_mode) activity['fbz'] = {'ID': fbz_id, 'area': fbz_area, 'activity': activity_fbz[0]} # get separate catalogs below and above magnitude threshold cat_below_threshold = QPCatalog.QPCatalog() cat_below_threshold.merge(cat_cut) cat_below_threshold.cut(maxmag=m_threshold, maxmag_excl=True) cat_above_threshold = QPCatalog.QPCatalog() cat_above_threshold.merge(cat_cut) cat_above_threshold.cut(minmag=m_threshold, maxmag_excl=False) activity_below_threshold = atticivy.computeActivityAtticIvy( (fbz_poly,), (mmax,), (mcdist,), cat_below_threshold, mmin=mmin, ui_mode=ui_mode) activity['fbz_below'] = {'ID': fbz_id, 'area': fbz_area, 'activity': activity_below_threshold[0]} activity_above_threshold = atticivy.computeActivityAtticIvy( (fbz_poly,), (mmax,), (mcdist,), cat_above_threshold, mmin=mmin, ui_mode=ui_mode) activity['fbz_above'] = {'ID': fbz_id, 'area': fbz_area, 'activity': activity_above_threshold[0]} # a and b value on buffer zone activity_bz = atticivy.computeActivityAtticIvy((bz_poly,), (mmax,), (mcdist,), cat_cut, mmin, ui_mode=ui_mode) activity['bz'] = {'area': bz_area, 'activity': activity_bz[0]} activity['background'] = {'mmax': mmax, 'mcdist': mcdist} return activity
def updateDataFaultBackgr(cls, feature, m_threshold=recurrence.FAULT_BACKGROUND_MAG_THRESHOLD ): """Update or compute moment rates for selected feature of fault background zone layer. Input: feature QGis polygon feature from fault background zone layer Output: parameters dict of computed parameters """ provider = cls.fault_background_layer.dataProvider() provider_fault = cls.fault_source_layer.dataProvider() provider_area = cls.area_source_layer.dataProvider() provider_back = cls.background_zone_layer.dataProvider() parameters = {} # get Shapely polygon from feature geometry polylist, vertices = utils.polygonsQGS2Shapely((feature, )) poly = polylist[0] # get polygon area in square kilometres parameters['area_background_sqkm'] = \ utils.polygonAreaFromWGS84(poly) * 1.0e-6 # get mmax and mcdist for FBZ from background zone (mcdist_qv, mmax_qv) = areasource.getAttributesFromBackgroundZones( poly.centroid, provider_back, areasource.MCDIST_MMAX_ATTRIBUTES) mmax = float(mmax_qv.toDouble()[0]) mcdist = str(mcdist_qv.toString()) parameters['mmax'] = mmax ## moment rate from EQs # get quakes from catalog (cut with fault background zone polygon) poly_cat = QPCatalog.QPCatalog() poly_cat.merge(cls.catalog) poly_cat.cut(geometry=poly) # cut catalog with min/max depth according to UI spinboxes (mindepth, maxdepth) = eqcatalog.getMinMaxDepth(cls) poly_cat.cut(mindepth=mindepth, maxdepth=maxdepth) parameters['eq_count'] = poly_cat.size() # sum up moment from quakes (converted from Mw with Kanamori eq.) magnitudes = [] for ev in poly_cat.eventParameters.event: mag = ev.getPreferredMagnitude() magnitudes.append(mag.mag.value) moment = numpy.array(momentrate.magnitude2moment(magnitudes)) # scale moment: per year and area (in km^2) parameters['mr_eq'] = moment.sum() / (parameters['area_background_sqkm'] * cls.catalog_time_span[0]) ## moment rate from activity (RM) parameters['activity_mmin'] = atticivy.ATTICIVY_MMIN activity = atticivy.computeActivityAtticIvy( (poly, ), (mmax, ), (mcdist, ), cls.catalog, mmin=parameters['activity_mmin']) # get RM (a, b) values from feature attribute activity_str_a = activity[0][3] activity_arr_a = activity_str_a.strip().split() activity_str_b = activity[0][4] activity_arr_b = activity_str_b.strip().split() # ignore weights activity_a = [float(x) for x in activity_arr_a] activity_b = [float(x) for x in activity_arr_b] parameters['activity_a'] = activity_a parameters['activity_b'] = activity_b a_values = activity_a momentrates_arr = numpy.array( momentrate.momentrateFromActivity(a_values, activity_b, mmax)) / cls.catalog_time_span[0] parameters['mr_activity'] = momentrates_arr.tolist() # get separate catalogs below and above magnitude threshold cat_below_threshold = QPCatalog.QPCatalog() cat_below_threshold.merge(poly_cat) cat_below_threshold.cut(maxmag=m_threshold, maxmag_excl=True) parameters['eq_count_below'] = cat_below_threshold.size() cat_above_threshold = QPCatalog.QPCatalog() cat_above_threshold.merge(poly_cat) cat_above_threshold.cut(minmag=m_threshold, maxmag_excl=False) parameters['eq_count_above'] = cat_above_threshold.size() activity_below_threshold = atticivy.computeActivityAtticIvy( (poly, ), (mmax, ), (mcdist, ), cat_below_threshold, mmin=parameters['activity_mmin']) activity_above_threshold = atticivy.computeActivityAtticIvy( (poly, ), (mmax, ), (mcdist, ), cat_above_threshold, mmin=parameters['activity_mmin']) # get RM (weight, a, b) values from feature attribute activity_below_str_a = activity_below_threshold[0][3] activity_below_arr_a = activity_below_str_a.strip().split() activity_below_str_b = activity_below_threshold[0][4] activity_below_arr_b = activity_below_str_b.strip().split() activity_above_str_a = activity_above_threshold[0][3] activity_above_arr_a = activity_above_str_a.strip().split() activity_above_str_b = activity_above_threshold[0][4] activity_above_arr_b = activity_above_str_b.strip().split() # ignore weights activity_below_a = [float(x) for x in activity_below_arr_a] activity_below_b = [float(x) for x in activity_below_arr_b] activity_above_a = [float(x) for x in activity_above_arr_a] activity_above_b = [float(x) for x in activity_above_arr_b] a_values_below = activity_below_a momentrates_below_arr = numpy.array( momentrate.momentrateFromActivity(a_values_below, activity_below_b, mmax)) / cls.catalog_time_span[0] a_values_above = activity_above_a momentrates_above_arr = numpy.array( momentrate.momentrateFromActivity(a_values_above, activity_above_b, mmax)) / cls.catalog_time_span[0] parameters['activity_below_a'] = activity_below_a parameters['activity_below_b'] = activity_below_b parameters['activity_above_a'] = activity_above_a parameters['activity_above_b'] = activity_above_b parameters['mr_activity_below'] = momentrates_below_arr.tolist() parameters['mr_activity_above'] = momentrates_above_arr.tolist() parameters['activity_m_threshold'] = m_threshold # FMD from quakes in FBZ cls.feature_data_fault_background['fmd'] = fmd.computeZoneFMD( cls, feature, poly_cat) (parameters['ml_a'], parameters['ml_b'], parameters['ml_mc'], parameters['ml_magctr']) = fmd.getFMDValues( cls.feature_data_fault_background['fmd']) ## moment rate from slip rate sliprate_min_name = features.FAULT_SOURCE_ATTR_SLIPRATE_MIN['name'] sliprate_max_name = features.FAULT_SOURCE_ATTR_SLIPRATE_MAX['name'] attribute_map = utils.getAttributeIndex( provider_fault, (features.FAULT_SOURCE_ATTR_SLIPRATE_MIN, features.FAULT_SOURCE_ATTR_SLIPRATE_MAX), create=False) moment_rate_min = 0.0 moment_rate_max = 0.0 parameters['area_fault_sqkm'] = 0.0 parameters['fault_count'] = 0 provider_fault.rewind() for fault in provider_fault: fault_poly, vertices = utils.polygonsQGS2Shapely((fault, )) if fault_poly[0].intersects(poly): parameters['fault_count'] += 1 sliprate_min = \ fault[attribute_map[sliprate_min_name][0]].toDouble()[0] sliprate_max = \ fault[attribute_map[sliprate_max_name][0]].toDouble()[0] area_fault = utils.polygonAreaFromWGS84(fault_poly[0]) # TODO(fab): correct scaling of moment rate from slip rate (rate_min, rate_max) = momentrate.momentrateFromSlipRate( sliprate_min, sliprate_max, area_fault) moment_rate_min += rate_min moment_rate_max += rate_max parameters['area_fault_sqkm'] += area_fault moment_rate_min /= cls.catalog_time_span[0] moment_rate_max /= cls.catalog_time_span[0] parameters['mr_slip'] = [moment_rate_min, moment_rate_max] parameters['area_fault_sqkm'] *= 1.0e-6 ## moment rate from geodesy (strain) momentrate_strain_barba = momentrate.momentrateFromStrainRateBarba( poly, cls.data.strain_rate_barba, cls.data.deformation_regimes_bird) parameters['mr_strain_barba'] = momentrate_strain_barba / ( cls.catalog_time_span[0]) momentrate_strain_bird = momentrate.momentrateFromStrainRateBird( poly, cls.data.strain_rate_bird, cls.data.deformation_regimes_bird) parameters['mr_strain_bird'] = momentrate_strain_bird / ( cls.catalog_time_span[0]) return parameters