mmetz
1 year ago
8 changed files with 740 additions and 1 deletions
@ -0,0 +1,13 @@
|
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#/usr/bin/python3 |
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try: |
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from pyrocko.dataset import active_faults |
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except ImportError: |
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from . import active_faults |
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|
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class SeismogenicSource(active_faults.ActiveFault): |
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def km_to_m(self): |
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pass |
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|
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def to_fm(self): |
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return None |
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@ -0,0 +1,160 @@
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# http://pyrocko.org - GPLv3 |
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# |
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# The Pyrocko Developers, 21st Century |
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# ---|P------/S----------~Lg---------- |
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from __future__ import absolute_import |
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import re |
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import logging |
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import numpy as num |
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from os import path as op |
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from collections import OrderedDict |
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import json |
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from pyrocko import util as putil |
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from ewrica import util |
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def parse_3tup(s): |
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m = re.match(r'^\(?([^,]+),([^,]*),([^,]*)\)$', s) |
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if m: |
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return [float(m.group(1)) if m.group(1) else None for i in range(3)] |
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else: |
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return [None, None, None] |
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logger = logging.getLogger('ewrica.dataset.fault_loader.activefaults') |
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def active_faults_fn(): |
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name = 'gem_active_faults.geojson' |
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return op.join(util.HiddenDataDir.faults_path(), '%s' % name) |
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class Fault(object): |
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__fields__ = OrderedDict() |
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__slots__ = list(__fields__.keys()) |
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def get_property(self, fault_obj, attr): |
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try: |
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values = float(fault_obj['properties'][attr][1:3]) |
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except KeyError: |
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if attr == 'lower_seis_depth' or attr == 'upper_seis_depth': |
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values = 0 |
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else: |
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values = -999 |
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return values |
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def __init__(self, f): |
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nodes = f['geometry']['coordinates'] |
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props = f['properties'] |
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lons = [p[0] for p in nodes] |
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lats = [p[1] for p in nodes] |
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self.lon = lons |
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self.lat = lats |
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self.slip_type = props.get('slip_type', 'Unknown') |
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for attr, attr_type in self.__fields__.items(): |
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if attr in props: |
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if props[attr] is None or props[attr] is '': |
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continue |
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if isinstance(props[attr], attr_type): |
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v = props[attr] |
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elif attr_type is float: |
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try: |
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v = parse_3tup(props[attr])[0] |
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except TypeError: |
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v = float(props[attr]) |
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elif attr_type is int: |
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v = int(props[attr]) |
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else: |
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v = None |
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setattr(self, attr, v) |
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def get_surface_line(self): |
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arr = num.empty((len(self.lat), 2)) |
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for i in range(len(self.lat)): |
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arr[i, 0] = self.lat[i] |
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arr[i, 1] = self.lon[i] |
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return arr |
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def __str__(self): |
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d = {attr: getattr(self, attr) for attr in self.__fields__.keys()} |
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return '\n'.join(['%s: %s' % (attr, val) for attr, val in d.items()]) |
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class ActiveFault(Fault): |
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__fields__ = OrderedDict([ |
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('lat', list), |
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('lon', list), |
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('average_dip', float), |
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('average_rake', float), |
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('lower_seis_depth', float), |
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('upper_seis_depth', float), |
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('slip_type', str), |
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]) |
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class ActiveFaults(object): |
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''' |
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Get GEM active faults database |
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Styron, Richard, and Marco Pagani. |
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“The GEM Global Active Faults Database.” Earthquake Spectra, vol. 36, |
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no. 1_suppl, Oct. 2020, pp. 160–180, doi:10.1177/8755293020944182. |
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code copied from pyrocko python package: |
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Heimann, Sebastian; Kriegerowski, Marius; Isken, Marius; Cesca, Simone; |
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Daout, Simon; Grigoli, Francesco; Juretzek, Carina; Megies, Tobias; |
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Nooshiri, Nima; Steinberg, Andreas; Sudhaus, Henriette; |
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Vasyura-Bathke, Hannes; Willey, Timothy; Dahm, Torsten (2017): |
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Pyrocko - An open-source seismology toolbox and library. |
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V. 0.3. GFZ Data Services. http://doi.org/10.5880/GFZ.2.1.2017.001 |
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''' |
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URL_GEM_ACTIVE_FAULTS = 'https://raw.githubusercontent.com/cossatot/gem-global-active-faults/master/geojson/gem_active_faults.geojson' # noqa |
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def __init__(self): |
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self.fname_active_faults = active_faults_fn() |
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if not op.exists(self.fname_active_faults): |
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self.download() |
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self.active_faults = [] |
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self._load_faults(self.fname_active_faults, ActiveFault) |
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def _load_faults(self, fname, cls): |
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with open(fname, 'r') as f: |
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gj = json.load(f) |
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faults = gj['features'] |
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for f in faults: |
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fault = cls(f) |
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self.active_faults.append(fault) |
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logger.debug('loaded %d fault', self.nactive_faults) |
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def download(self): |
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logger.info('Downloading GEM active faults database...') |
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putil.download_file(self.URL_GEM_ACTIVE_FAULTS, |
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self.fname_active_faults) |
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@property |
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def nactive_faults(self): |
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return len(self.active_faults) |
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def nactive_faults_nodes(self): |
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return int(sum(len(f.lat) for f in self.active_faults)) |
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def get_coords(self): |
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return num.array([f['coordinates'] for f in self.active_faults]) |
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if __name__ == '__main__': |
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logging.basicConfig(level=logging.DEBUG) |
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activefaults = ActiveFaults() |
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@ -0,0 +1,278 @@
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#/usr/bin/python3 |
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import os |
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import os.path as op |
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from collections import OrderedDict |
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import shapefile # PyShp package |
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import numpy as num |
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from pyrocko import orthodrome as od, moment_tensor as pmt |
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from pyrocko.model import Event |
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from ewrica.util import HiddenDataDir, is_dir |
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from . import SeismogenicSource |
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km = 1000. |
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class DISSError(Exception): |
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pass |
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source_to_fn = dict( |
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individual='ISS{version}', |
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toptrace_composite='CSSTOP{version}', |
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planes_composite='CSSPLN{version}', |
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debated='DSS{version}', |
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subduction_contour='SUBDCNT{version}', |
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subduction_zone='SUBDZON{version}', |
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layer='DISS{version}') |
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class Contour(SeismogenicSource): |
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__fields__ = OrderedDict([ |
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('IDSource', str), |
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('Depth_km', float), |
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('lat', list), |
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('lon', list) |
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]) |
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def km_to_m(self): |
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self.Depth_km *= km |
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class SubductionZone(SeismogenicSource): |
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__fields__ = OrderedDict([ |
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('IDSource', str), |
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('SourceName', str), |
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('lat', list), |
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('lon', list), |
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('MinDepth', float), |
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('MaxDepth', float), |
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('DipDir', str), |
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('ConvAzMin', float), |
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('ConvAzMax', float), |
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('ConvRMin', float), |
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('ConvRMax', float), |
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('MaxMag', float), |
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('Created', str), |
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('Updated', str), |
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('MinDepthQ', int), |
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('MaxDepthQ', int), |
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('DipDirQ', int), |
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('ConvAzQ', int), |
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('ConvRQ', int), |
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('MaxMagQ', int) |
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]) |
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def km_to_m(self): |
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for attr in (self.MinDepth, self.MaxDepth): |
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attr *= km |
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class CompositeSeismogenicSource(SeismogenicSource): |
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__fields__ = OrderedDict([ |
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('IDSource', str), |
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('SourceName', str), |
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('lat', list), |
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('lon', list), |
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('MinDepth', float), |
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('MaxDepth', float), |
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('DipMin', float), |
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('DipMax', float), |
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('RakeMin', float), |
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('RakeMax', float), |
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('SRmin', float), |
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('SRmax', float), |
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('MaxMag', float), |
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('Created', str), |
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('Updated', str), |
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('MinDepthQ', int), |
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('MaxDepthQ', int), |
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('StrikeQ', int), |
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('DipQ', int), |
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('RakeQ', int), |
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('SlipRateQ', int), |
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('MaxMagQ', int) |
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]) |
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def km_to_m(self): |
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for attr in (self.MinDepth, self.MaxDepth): |
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attr *= km |
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def to_event(self): |
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dip = num.mean([self.DipMin, self.DipMax]) |
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rake = num.mean([self.RakeMin, self.RakeMax]) |
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mag = self.MaxMag |
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if len(self.lat) % 2: |
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idx = int((len(self.lat) - 1) / 2.) |
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lat, lon = self.lat[idx], self.lon[idx] |
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else: |
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idx1, idx2 = int(len(self.lat) / 2. - 1), int(len(self.lat) / 2.) |
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n, e = od.latlon_to_ne_numpy(self.lat[idx1], self.lon[idx1], |
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self.lat[idx2], self.lon[idx2]) |
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lat, lon = od.ne_to_latlon(self.lat[idx1], self.lon[idx1], |
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n / 2., e / 2.) |
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lat, lon = lat[0], lon[0] |
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azi, _ = od.azibazi_numpy( |
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num.array(self.lat)[:-1], num.array(self.lon)[:-1], |
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num.array(self.lat)[1:], num.array(self.lon)[1:]) |
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strike = num.mean(azi) |
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mt = pmt.MomentTensor(strike=strike, dip=dip, rake=rake, magnitude=mag) |
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return Event( |
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lat=lat, lon=lon, depth=num.mean([self.MinDepth, self.MaxDepth]), |
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name=self.IDSource, moment_tensor=mt) |
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class IndividualSeismogenicSource(SeismogenicSource): |
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__fields__ = OrderedDict([ |
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('IDSource', str), |
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('SourceName', str), |
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('Length', float), |
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('Width', float), |
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('lat', list), |
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('lon', list), |
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('MinDepth', float), |
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('MaxDepth', float), |
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('Strike', float), |
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('Dip', float), |
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('Rake', float), |
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('AvgDispl', float), |
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('SRmin', float), |
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('SRmax', float), |
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('RecIntMin', float), |
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('RecIntMax', float), |
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('LatestEq', str), |
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('MaxMag', float), |
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('LatUL', float), |
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('LonUL', float), |
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('LatUR', float), |
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('LonUR', float), |
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('LatLR', float), |
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('LonLR', float), |
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('LatLL', float), |
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('LonLL', float), |
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('Created', str), |
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('Updated', str), |
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('LengthQ', int), |
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('WidthQ', int), |
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('MinDepthQ', int), |
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('MaxDepthQ', int), |
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('StrikeQ', int), |
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('DipQ', int), |
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('RakeQ', int), |
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('AvgDisplQ', int), |
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('SlipRateQ', int), |
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('RecIntQ', int), |
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('MaxMagQ', int), |
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('LocationQ', int) |
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]) |
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def km_to_m(self): |
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for attr in (self.Length, self.Width, self.MinDepth, self.MaxDepth): |
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attr *= km |
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def to_event(self): |
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n, e = od.latlon_to_ne(self.LatUL, self.LonUL, |
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self.LatLR, self.LonLR) |
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lat, lon = od.ne_to_latlon(self.LatUL, self.LonUL, |
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n / 2., e / 2.) |
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mt = pmt.MomentTensor(strike=self.Strike, dip=self.Dip, |
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rake=self.Rake, magnitude=self.MaxMag) |
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return Event( |
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lat=lat, lon=lon, depth=num.mean([self.MinDepth, self.MaxDepth]), |
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name=self.IDSource, moment_tensor=mt) |
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def load_faults_from_shp(version='3.2.1', include='all'): |
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template = op.join( |
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HiddenDataDir.faults_path(), |
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'DISS_{version}_shp', |
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'SHP') |
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fault_path = template.format(version=version) |
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if not is_dir(fault_path): |
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raise DISSError( |
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'Could not find DISS shape directory "{fault_path}". If not ' |
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'downloaded, get the DISS database from {url} in SHP format and ' |
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'store the individual files in {path}.'.format( |
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fault_path=fault_path, |
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url='http://diss.rm.ingv.it/diss/', |
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path=template.format(version='<version_number>'))) |
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if type(include) == str: |
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include = [include] |
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if 'all' in include: |
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files = [os.path.splitext(f)[0] for f in os.listdir(fault_path) |
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if f.endswith('.shp')] |
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else: |
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files = [ |
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op.join( |
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fault_path, |
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source_to_fn[incl].format(version=version.replace('.', ''))) |
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for incl in include] |
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faults = [] |
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for f in files: |
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f = os.path.basename(f) |
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kwargs = dict([ |
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(ext, open(os.path.join(fault_path, '.'.join([f, ext])), 'rb')) |
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for ext in ['shp', 'prj', 'dbf', 'shx']]) |
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shape = shapefile.Reader(encoding='ISO-8859-1', **kwargs) |
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geoj = shape.shapeRecord(0).__geo_interface__ |
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if 'Subduction' in geoj['properties']['LinkToInfo']: |
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if 'Polygon' == geoj['geometry']['type']: |
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source_type = SubductionZone |
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elif 'LineString' == geoj['geometry']['type']: |
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source_type = Contour |
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elif 'SASources' in geoj['properties']['LinkToInfo']: |
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source_type = CompositeSeismogenicSource |
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elif 'GGSources' in geoj['properties']['LinkToInfo']: |
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source_type = IndividualSeismogenicSource |
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else: |
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source_type = SeismogenicSource |
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for sh in shape.shapeRecords(): |
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geoj = sh.__geo_interface__ |
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if isinstance(geoj['geometry']['coordinates'][0][0], tuple): |
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pts = geoj['geometry']['coordinates'] |
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geoj['geometry']['coordinates'] = [ |
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(p[0], p[1]) |
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for p in pts[0]] |
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fault = source_type(geoj) |
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fault.km_to_m() |
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faults.append(fault) |
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return faults |
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|
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|
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__all__ = [ |
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'SeismogenicSource', |
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'Contour', |
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'IndividualSeismogenicSource', |
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'CompositeSeismogenicSource', |
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'SubductionZone', |
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'load_faults_from_shp'] |
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@ -0,0 +1,188 @@
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#/usr/bin/python3 |
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import logging |
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import os |
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import os.path as op |
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from collections import OrderedDict |
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|
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import shutil |
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|
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import shapefile # PyShp package |
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|
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import numpy as num |
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import datetime |
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|
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from pyrocko import orthodrome as od, moment_tensor as pmt, util as putil |
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from pyrocko.model import Event |
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|
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from ewrica.util import HiddenDataDir, is_dir |
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from . import SeismogenicSource |
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|
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logger = logging.getLogger('ewrica.dataset.fault_loader.edsf') |
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|
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|
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km = 1000. |
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|
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|
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class EDSFError(Exception): |
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pass |
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|
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|
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source_to_fn = dict( |
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crustal='CFS', |
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subduction='SBD') |
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|
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folder_template = 'DB-{database}-ESRI-shapefile' |
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|
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|
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class IndividualSeismogenicSourceTop(SeismogenicSource): |
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__fields__ = OrderedDict([ |
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('IDSOURCE', str), |
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('SOURCENAME', str), |
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('MINDEPTH', float), |
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('MAXDEPTH', float), |
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('STRIKEMIN', int), |
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('STRIKEMAX', int), |
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('DIPMIN', int), |
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('DIPMAX', int), |
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('RAKEMIN', int), |
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('RAKEMAX', int), |
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('SRMIN', float), |
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('SRMAX', float), |
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('MAXMAG', float), |
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('REGION', str), |
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('CREATED', datetime.date), |
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('UPDATED', datetime.date), |
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('LINK', str)]) |
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|
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def km_to_m(self): |
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try: |
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for attr in (self.MINDEPTH, self.MAXDEPTH): |
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attr *= km |
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except AttributeError: |
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return |
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|
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def to_event(self): |
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|
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if len(self.lat) % 2: |
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idx = int((len(self.lat) - 1) / 2.) |
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lat, lon = self.lat[idx], self.lon[idx] |
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else: |
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idx1, idx2 = int(len(self.lat) / 2. - 1), int(len(self.lat) / 2.) |
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|
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n, e = od.latlon_to_ne_numpy(self.lat[idx1], self.lon[idx1], |
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self.lat[idx2], self.lon[idx2]) |
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|
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lat, lon = od.ne_to_latlon(self.lat[idx1], self.lon[idx1], |
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n / 2., e / 2.) |
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|
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lat, lon = lat[0], lon[0] |
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|
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mt = pmt.MomentTensor( |
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strike=num.mean([self.STRIKEMIN, self.STRIKEMAX]), |
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dip=num.mean([self.DIPMIN, self.DIPMAX]), |
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rake=num.mean([self.RAKEMIN, self.RAKEMAX]), |
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magnitude=self.MAXMAG) |
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|
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return Event( |
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lat=lat, lon=lon, depth=num.mean([self.MINDEPTH, self.MAXDEPTH]), |
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name=self.IDSOURCE, moment_tensor=mt) |
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|
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|
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class IndividualSeismogenicSourcePlane(IndividualSeismogenicSourceTop): |
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pass |
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|
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|
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def load_faults_from_shp(include='all'): |
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fault_path = op.join(HiddenDataDir.faults_path(), 'EDSF') |
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|
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if not is_dir(fault_path): |
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download(fault_path) |
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|
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if len(os.listdir(fault_path)) == 0: |
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download(fault_path) |
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|
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if type(include) == str: |
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include = [include] |
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|
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files = [] |
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if 'all' in include: |
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for k, v in source_to_fn.items(): |
||||
folder = op.join(fault_path, folder_template.format(database=v)) |
||||
|
||||
files += [ |
||||
op.join(folder, os.path.splitext(f)[0]) for f in os.listdir( |
||||
folder) if f.endswith('.shp')] |
||||
else: |
||||
for k, v in source_to_fn.items(): |
||||
if k not in include: |
||||
continue |
||||
|
||||
folder = op.join(fault_path, folder_template.format(database=v)) |
||||
|
||||
files += [ |
||||
op.join(folder, os.path.splitext(f)[0]) for f in os.listdir( |
||||
folder) if f.endswith('.shp')] |
||||
|
||||
faults = [] |
||||
for f in files: |
||||
kwargs = dict([ |
||||
(ext, open('.'.join([f, ext]), 'rb')) |
||||
for ext in ['shp', 'prj', 'dbf', 'shx']]) |
||||
|
||||
shape = shapefile.Reader(encoding='ISO-8859-1', **kwargs) |
||||
geoj = shape.shapeRecord(0).__geo_interface__ |
||||
|
||||
if 'Polygon' == geoj['geometry']['type']: |
||||
source_type = IndividualSeismogenicSourcePlane |
||||
|
||||
elif 'LineString' == geoj['geometry']['type']: |
||||
source_type = IndividualSeismogenicSourceTop |
||||
|
||||
else: |
||||
source_type = SeismogenicSource |
||||
|
||||
for sh in shape.shapeRecords(): |
||||
geoj = sh.__geo_interface__ |
||||
|
||||
if isinstance(geoj['geometry']['coordinates'][0][0], tuple): |
||||
pts = geoj['geometry']['coordinates'] |
||||
geoj['geometry']['coordinates'] = [ |
||||
(p[0], p[1]) |
||||
for p in pts[0]] |
||||
|
||||
fault = source_type(geoj) |
||||
fault.km_to_m() |
||||
faults.append(fault) |
||||
|
||||
return faults |
||||
|
||||
|
||||
def download(fault_path): |
||||
import zipfile |
||||
|
||||
logger.info('Downloading EDSF database...') |
||||
|
||||
putil.ensuredirs(fault_path) |
||||
|
||||
url_template = 'http://diss.rm.ingv.it/share-edsf/sharedata/downloads/{}.zip'.format(folder_template) # noqa |
||||
fnzip_template = op.join(fault_path, '{}.zip'.format(folder_template)) |
||||
|
||||
for db in ('CFS', 'SBD'): |
||||
url = url_template.format(database=db) |
||||
fnzip = fnzip_template.format(database=db) |
||||
|
||||
folder = folder_template.format(database=db) |
||||
temp_path = op.join(fault_path, 'temp') |
||||
|
||||
putil.download_file(url, fnzip) |
||||
|
||||
with zipfile.ZipFile(fnzip, 'r') as f: |
||||
f.extractall(temp_path) |
||||
|
||||
shutil.move(op.join(temp_path, folder), op.join(fault_path, folder)) |
||||
os.remove(fnzip) |
||||
|
||||
__all__ = [ |
||||
'IndividualSeismogenicSourcePlane', |
||||
'IndividualSeismogenicSourceTop', |
||||
'load_faults_from_shp'] |
||||
@ -0,0 +1,73 @@
|
||||
#/usr/bin/python3 |
||||
import os |
||||
|
||||
import numpy as num |
||||
|
||||
from pyrocko import orthodrome as pod |
||||
from .fault_loader import diss, edsf, active_faults |
||||
|
||||
|
||||
def load_diss(*args, **kwargs): |
||||
return diss.load_faults_from_shp(*args, **kwargs) |
||||
|
||||
|
||||
def load_edsf(*args, **kwargs): |
||||
return edsf.load_faults_from_shp(*args, **kwargs) |
||||
|
||||
|
||||
def load_gem(**kwargs): |
||||
return active_faults.ActiveFaults().active_faults |
||||
|
||||
|
||||
def extract_faults( |
||||
faults, |
||||
wesn=(), |
||||
lat=None, |
||||
lon=None, |
||||
radius=None, |
||||
strike=None, |
||||
dip=None, |
||||
rake=None): |
||||
|
||||
if not wesn: |
||||
if lat is not None and lon is not None and radius is not None: |
||||
wesn = pod.radius_to_region(lat, lon, radius) |
||||
|
||||
if wesn: |
||||
faults = [ |
||||
f for f in faults |
||||
if pod.points_in_region(num.vstack((f.lat, f.lon)).T, wesn).any()] |
||||
|
||||
if strike: |
||||
faults = [ |
||||
f for f in faults |
||||
if hasattr(f, 'STRIKEMIN') and hasattr(f, 'STRIKEMAX') |
||||
if f.STRIKEMIN % 360. <= strike and f.STRIKEMAX % 360. >= strike] |
||||
|
||||
if dip: |
||||
faults = [ |
||||
f for f in faults |
||||
if f.DIPMIN % 90. <= dip and f.DIPMAX % 90. >= dip] |
||||
|
||||
if rake: |
||||
faults = [ |
||||
f for f in faults |
||||
if f.RAKEMIN % 360. <= rake and f.RAKEMAX % 360. >= rake] |
||||
|
||||
return faults |
||||
|
||||
|
||||
def load_faults_from_database(database='GEM', **kwargs): |
||||
database = database.upper() |
||||
if database == 'DISS': |
||||
return load_diss(**kwargs) |
||||
elif database == 'EDSF': |
||||
return load_edsf(**kwargs) |
||||
elif database == 'GEM': |
||||
return load_gem(**kwargs) |
||||
|
||||
|
||||
__all__ = [ |
||||
'load_diss', |
||||
'load_edsf', |
||||
'load_gem'] |
||||
Loading…
Reference in new issue