# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright (C) 2014-2019 GEM Foundation
#
# OpenQuake is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# OpenQuake is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with OpenQuake. If not, see <http://www.gnu.org/licenses/>.
import os
import ast
import csv
import copy
import zlib
import shutil
import zipfile
import logging
import tempfile
import functools
import configparser
import collections
import numpy
import requests
from openquake.baselib import hdf5
from openquake.baselib.general import (
random_filter, countby, group_array, get_duplicates)
from openquake.baselib.python3compat import decode, zip
from openquake.baselib.node import Node
from openquake.hazardlib.const import StdDev
from openquake.hazardlib.calc.gmf import CorrelationButNoInterIntraStdDevs
from openquake.hazardlib import (
geo, site, imt, valid, sourceconverter, nrml, InvalidFile)
from openquake.hazardlib.source import rupture
from openquake.hazardlib.probability_map import ProbabilityMap
from openquake.risklib import asset, riskmodels
from openquake.risklib.riskmodels import get_risk_models
from openquake.commonlib.oqvalidation import OqParam
from openquake.commonlib.source_reader import get_ltmodels
from openquake.commonlib import logictree, source
# the following is quite arbitrary, it gives output weights that I like (MS)
NORMALIZATION_FACTOR = 1E-2
F32 = numpy.float32
F64 = numpy.float64
U8 = numpy.uint8
U16 = numpy.uint16
U32 = numpy.uint32
U64 = numpy.uint64
Site = collections.namedtuple('Site', 'sid lon lat')
gsim_lt_cache = {} # fname, trt1, ..., trtN -> GsimLogicTree instance
[docs]class DuplicatedPoint(Exception):
"""
Raised when reading a CSV file with duplicated (lon, lat) pairs
"""
[docs]def collect_files(dirpath, cond=lambda fullname: True):
"""
Recursively collect the files contained inside dirpath.
:param dirpath: path to a readable directory
:param cond: condition on the path to collect the file
"""
files = []
for fname in os.listdir(dirpath):
fullname = os.path.join(dirpath, fname)
if os.path.isdir(fullname): # navigate inside
files.extend(collect_files(fullname))
else: # collect files
if cond(fullname):
files.append(fullname)
return files
[docs]def unzip_rename(zpath, name):
"""
:param zpath: full path to a .zip archive
:param name: exposure.xml or ssmLT.xml
:returns: path to an .xml file with the same name of the archive
"""
xpath = zpath[:-4] + '.xml'
if os.path.exists(xpath):
# already unzipped
return xpath
dpath = os.path.dirname(zpath)
with zipfile.ZipFile(zpath) as archive:
for nam in archive.namelist():
fname = os.path.join(dpath, nam)
if os.path.exists(fname): # already unzipped
os.rename(fname, fname + '.bak')
logging.warning('Overriding %s with the file in %s',
fname, zpath)
logging.info('Unzipping %s', zpath)
archive.extractall(dpath)
xname = os.path.join(dpath, name)
if os.path.exists(xname):
os.rename(xname, xpath)
return xpath
[docs]def normalize(key, fnames, base_path):
input_type, _ext = key.rsplit('_', 1)
filenames = []
for val in fnames:
if '://' in val:
# get the data from an URL
resp = requests.get(val)
_, val = val.rsplit('/', 1)
with open(os.path.join(base_path, val), 'wb') as f:
f.write(resp.content)
elif os.path.isabs(val):
raise ValueError('%s=%s is an absolute path' % (key, val))
if val.endswith('.zip'):
zpath = os.path.normpath(os.path.join(base_path, val))
if key == 'exposure_file':
name = 'exposure.xml'
elif key == 'source_model_logic_tree_file':
name = 'ssmLT.xml'
else:
raise KeyError('Unknown key %s' % key)
val = unzip_rename(zpath, name)
else:
val = os.path.normpath(os.path.join(base_path, val))
if not os.path.exists(val):
# tested in archive_err_2
raise OSError('No such file: %s' % val)
filenames.append(val)
return input_type, filenames
def _update(params, items, base_path):
for key, value in items:
if key in ('hazard_curves_csv', 'site_model_file', 'exposure_file'):
input_type, fnames = normalize(key, value.split(), base_path)
params['inputs'][input_type] = fnames
elif key.endswith(('_file', '_csv', '_hdf5')):
if value.startswith('{'):
dic = ast.literal_eval(value) # name -> relpath
input_type, fnames = normalize(key, dic.values(), base_path)
params['inputs'][input_type] = dict(zip(dic, fnames))
params[input_type] = ' '.join(dic)
elif value:
input_type, [fname] = normalize(key, [value], base_path)
params['inputs'][input_type] = fname
elif isinstance(value, str) and value.endswith('.hdf5'):
logging.warning('The [reqv] syntax has been deprecated, see '
'https://github.com/gem/oq-engine/blob/master/doc/'
'adv-manual/equivalent-distance-app for the new '
'syntax')
fname = os.path.normpath(os.path.join(base_path, value))
try:
reqv = params['inputs']['reqv']
except KeyError:
params['inputs']['reqv'] = {key: fname}
else:
reqv.update({key: fname})
else:
params[key] = value
[docs]def get_params(job_inis, **kw):
"""
Parse one or more INI-style config files.
:param job_inis:
List of configuration files (or list containing a single zip archive)
:param kw:
Optionally override some parameters
:returns:
A dictionary of parameters
"""
input_zip = None
if len(job_inis) == 1 and job_inis[0].endswith('.zip'):
input_zip = job_inis[0]
job_inis = extract_from_zip(
job_inis[0], ['job_hazard.ini', 'job_haz.ini',
'job.ini', 'job_risk.ini'])
if not job_inis:
raise NameError('Could not find job.ini inside %s' % input_zip)
not_found = [ini for ini in job_inis if not os.path.exists(ini)]
if not_found: # something was not found
raise IOError('File not found: %s' % not_found[0])
cp = configparser.ConfigParser()
cp.read(job_inis)
# directory containing the config files we're parsing
job_ini = os.path.abspath(job_inis[0])
base_path = decode(os.path.dirname(job_ini))
params = dict(base_path=base_path, inputs={'job_ini': job_ini})
if input_zip:
params['inputs']['input_zip'] = os.path.abspath(input_zip)
for sect in cp.sections():
_update(params, cp.items(sect), base_path)
_update(params, kw.items(), base_path) # override on demand
if params['inputs'].get('reqv'):
# using pointsource_distance=0 because of the reqv approximation
params['pointsource_distance'] = '0'
return params
[docs]def get_oqparam(job_ini, pkg=None, calculators=None, hc_id=None, validate=1,
**kw):
"""
Parse a dictionary of parameters from an INI-style config file.
:param job_ini:
Path to configuration file/archive or dictionary of parameters
:param pkg:
Python package where to find the configuration file (optional)
:param calculators:
Sequence of calculator names (optional) used to restrict the
valid choices for `calculation_mode`
:param hc_id:
Not None only when called from a post calculation
:param validate:
Flag. By default it is true and the parameters are validated
:param kw:
String-valued keyword arguments used to override the job.ini parameters
:returns:
An :class:`openquake.commonlib.oqvalidation.OqParam` instance
containing the validate and casted parameters/values parsed from
the job.ini file as well as a subdictionary 'inputs' containing
absolute paths to all of the files referenced in the job.ini, keyed by
the parameter name.
"""
# UGLY: this is here to avoid circular imports
from openquake.calculators import base
OqParam.calculation_mode.validator.choices = tuple(
calculators or base.calculators)
if not isinstance(job_ini, dict):
basedir = os.path.dirname(pkg.__file__) if pkg else ''
job_ini = get_params([os.path.join(basedir, job_ini)])
if hc_id:
job_ini.update(hazard_calculation_id=str(hc_id))
job_ini.update(kw)
oqparam = OqParam(**job_ini)
if validate:
oqparam.validate()
return oqparam
pmap = None # set as side effect when the user reads hazard_curves from a file
# the hazard curves format does not split the site locations from the data (an
# unhappy legacy design choice that I fixed in the GMFs CSV format only) thus
# this hack is necessary, otherwise we would have to parse the file twice
exposure = None # set as side effect when the user reads the site mesh
# this hack is necessary, otherwise we would have to parse the exposure twice
gmfs, eids = None, None # set as a sided effect when reading gmfs.xml
# this hack is necessary, otherwise we would have to parse the file twice
[docs]def get_mesh(oqparam):
"""
Extract the mesh of points to compute from the sites,
the sites_csv, the region, the site model, the exposure in this order.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
"""
global pmap, exposure, gmfs, eids
if 'exposure' in oqparam.inputs and exposure is None:
# read it only once
exposure = get_exposure(oqparam)
if oqparam.sites:
return geo.Mesh.from_coords(oqparam.sites)
elif 'sites' in oqparam.inputs:
fname = oqparam.inputs['sites']
header = get_csv_header(fname)
if 'lon' in header:
data = []
for i, row in enumerate(
csv.DictReader(open(fname, encoding='utf-8-sig'))):
if header[0] == 'site_id' and row['site_id'] != str(i):
raise InvalidFile('%s: expected site_id=%d, got %s' % (
fname, i, row['site_id']))
data.append(' '.join([row['lon'], row['lat']]))
elif 'gmfs' in oqparam.inputs:
raise InvalidFile('Missing header in %(sites)s' % oqparam.inputs)
else:
data = [line.replace(',', ' ')
for line in open(fname, encoding='utf-8-sig')]
coords = valid.coordinates(','.join(data))
start, stop = oqparam.sites_slice
c = (coords[start:stop] if header[0] == 'site_id'
else sorted(coords[start:stop]))
# NB: Notice the sort=False below
# Calculations starting from ground motion fields input by the user
# require at least two input files related to the gmf data:
# 1. A sites.csv file, listing {site_id, lon, lat} tuples
# 2. A gmfs.csv file, listing {event_id, site_id, gmv[IMT1],
# gmv[IMT2], ...} tuples
# The site coordinates defined in the sites file do not need to be in
# sorted order.
# We must only ensure uniqueness of the provided site_ids and
# coordinates.
# When creating the site mesh from the site coordinates read from
# the csv file, the sort=False flag maintains the user-specified
# site_ids instead of reassigning them after sorting.
return geo.Mesh.from_coords(c, sort=False)
elif 'hazard_curves' in oqparam.inputs:
fname = oqparam.inputs['hazard_curves']
if isinstance(fname, list): # for csv
mesh, pmap = get_pmap_from_csv(oqparam, fname)
else:
raise NotImplementedError('Reading from %s' % fname)
return mesh
elif oqparam.region_grid_spacing:
if oqparam.region:
poly = geo.Polygon.from_wkt(oqparam.region)
elif exposure:
# in case of implicit grid the exposure takes precedence over
# the site model
poly = exposure.mesh.get_convex_hull()
elif 'site_model' in oqparam.inputs:
# this happens in event_based/case_19, where there is an implicit
# grid over the site model
sm = get_site_model(oqparam)
poly = geo.Mesh(sm['lon'], sm['lat']).get_convex_hull()
else:
raise InvalidFile('There is a grid spacing but not a region, '
'nor a site model, nor an exposure in %s' %
oqparam.inputs['job_ini'])
try:
logging.info('Inferring the hazard grid from the exposure')
mesh = poly.dilate(oqparam.region_grid_spacing).discretize(
oqparam.region_grid_spacing)
return geo.Mesh.from_coords(zip(mesh.lons, mesh.lats))
except Exception:
raise ValueError(
'Could not discretize region with grid spacing '
'%(region_grid_spacing)s' % vars(oqparam))
# the site model has the precedence over the exposure, see the
# discussion in https://github.com/gem/oq-engine/pull/5217
elif 'site_model' in oqparam.inputs:
logging.info('Extracting the hazard sites from the site model')
sm = get_site_model(oqparam)
return geo.Mesh(sm['lon'], sm['lat'])
elif 'exposure' in oqparam.inputs:
return exposure.mesh
[docs]def get_site_model(oqparam):
"""
Convert the NRML file into an array of site parameters.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:returns:
an array with fields lon, lat, vs30, ...
"""
req_site_params = get_gsim_lt(oqparam).req_site_params
if 'amplification' in oqparam.inputs:
req_site_params.add('ampcode')
arrays = []
dtypedic = {None: float, 'vs30measured': numpy.uint8,
'ampcode': (numpy.string_, 2)}
for fname in oqparam.inputs['site_model']:
if isinstance(fname, str) and fname.endswith('.csv'):
sm = hdf5.read_csv(fname, dtypedic).array
sm['lon'] = numpy.round(sm['lon'], 5)
sm['lat'] = numpy.round(sm['lat'], 5)
dupl = get_duplicates(sm, 'lon', 'lat')
if dupl:
raise InvalidFile(
'Found duplicate sites %s in %s' % (dupl, fname))
if 'site_id' in sm.dtype.names:
raise InvalidFile('%s: you passed a sites.csv file instead of '
'a site_model.csv file!' % fname)
z = numpy.zeros(len(sm), sorted(sm.dtype.descr))
for name in z.dtype.names: # reorder the fields
z[name] = sm[name]
arrays.append(z)
continue
nodes = nrml.read(fname).siteModel
params = [valid.site_param(node.attrib) for node in nodes]
missing = req_site_params - set(params[0])
if 'vs30measured' in missing: # use a default of False
missing -= {'vs30measured'}
for param in params:
param['vs30measured'] = False
if 'backarc' in missing: # use a default of False
missing -= {'backarc'}
for param in params:
param['backarc'] = False
if 'ampcode' in missing: # use a default of b''
missing -= {'ampcode'}
for param in params:
param['ampcode'] = b''
if missing:
raise InvalidFile('%s: missing parameter %s' %
(oqparam.inputs['site_model'],
', '.join(missing)))
# NB: the sorted in sorted(params[0]) is essential, otherwise there is
# an heisenbug in scenario/test_case_4
site_model_dt = numpy.dtype([(p, site.site_param_dt[p])
for p in sorted(params[0])])
sm = numpy.array([tuple(param[name] for name in site_model_dt.names)
for param in params], site_model_dt)
dupl = "\n".join(
'%s %s' % loc for loc, n in countby(sm, 'lon', 'lat').items()
if n > 1)
if dupl:
raise InvalidFile('There are duplicated sites in %s:\n%s' %
(fname, dupl))
arrays.append(sm)
return numpy.concatenate(arrays)
[docs]def get_site_collection(oqparam):
"""
Returns a SiteCollection instance by looking at the points and the
site model defined by the configuration parameters.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
"""
mesh = get_mesh(oqparam)
if mesh is None and oqparam.ground_motion_fields:
raise InvalidFile('You are missing sites.csv or site_model.csv in %s'
% oqparam.inputs['job_ini'])
elif mesh is None:
# a None sitecol is okay when computing the ruptures only
return
else: # use the default site params
req_site_params = get_gsim_lt(oqparam).req_site_params
if 'amplification' in oqparam.inputs:
req_site_params.add('ampcode')
sitecol = site.SiteCollection.from_points(
mesh.lons, mesh.lats, mesh.depths, oqparam, req_site_params)
ss = os.environ.get('OQ_SAMPLE_SITES')
if ss:
# debugging tip to reduce the size of a calculation
# OQ_SAMPLE_SITES=.1 oq engine --run job.ini
# will run a computation with 10 times less sites
sitecol.array = numpy.array(random_filter(sitecol.array, float(ss)))
sitecol.make_complete()
return sitecol
[docs]def get_gsim_lt(oqparam, trts=('*',)):
"""
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:param trts:
a sequence of tectonic region types as strings; trts=['*']
means that there is no filtering
:returns:
a GsimLogicTree instance obtained by filtering on the provided
tectonic region types.
"""
if 'gsim_logic_tree' not in oqparam.inputs:
return logictree.GsimLogicTree.from_(oqparam.gsim)
gsim_file = os.path.join(
oqparam.base_path, oqparam.inputs['gsim_logic_tree'])
key = (gsim_file,) + tuple(sorted(trts))
if key in gsim_lt_cache:
return gsim_lt_cache[key]
gsim_lt = logictree.GsimLogicTree(gsim_file, trts)
gsim_lt_cache[key] = gsim_lt
gmfcorr = oqparam.correl_model
for trt, gsims in gsim_lt.values.items():
for gsim in gsims:
if gmfcorr and (gsim.DEFINED_FOR_STANDARD_DEVIATION_TYPES ==
{StdDev.TOTAL}):
raise CorrelationButNoInterIntraStdDevs(gmfcorr, gsim)
trts = set(oqparam.minimum_magnitude) - {'default'}
expected_trts = set(gsim_lt.values)
assert trts <= expected_trts, (trts, expected_trts)
imt_dep_w = any(len(branch.weight.dic) > 1 for branch in gsim_lt.branches)
if oqparam.number_of_logic_tree_samples and imt_dep_w:
logging.error('IMT-dependent weights in the logic tree cannot work '
'with sampling, because they would produce different '
'GMPE paths for each IMT that cannot be combined, so '
'I am using the default weights')
for branch in gsim_lt.branches:
for k, w in sorted(branch.weight.dic.items()):
if k != 'weight':
logging.warning(
'Using weight=%s instead of %s for %s %s',
branch.weight.dic['weight'], w, branch.gsim, k)
del branch.weight.dic[k]
if oqparam.collapse_gsim_logic_tree:
return gsim_lt.collapse(oqparam.collapse_gsim_logic_tree)
return gsim_lt
[docs]def get_gsims(oqparam):
"""
Return an ordered list of GSIM instances from the gsim name in the
configuration file or from the gsim logic tree file.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
"""
return [rlz.value[0] for rlz in get_gsim_lt(oqparam)]
[docs]def get_rlzs_by_gsim(oqparam):
"""
Return an ordered dictionary gsim -> [realization index]. Work for
gsim logic trees with a single tectonic region type.
"""
cinfo = source.CompositionInfo.fake(get_gsim_lt(oqparam))
ra = cinfo.get_rlzs_assoc()
dic = {}
for rlzi, gsim_by_trt in enumerate(ra.gsim_by_trt):
dic[gsim_by_trt['*']] = [rlzi]
return dic
[docs]def get_rupture(oqparam):
"""
Read the `rupture_model` file and by filter the site collection
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:returns:
an hazardlib rupture
"""
rup_model = oqparam.inputs['rupture_model']
if rup_model.endswith('.xml'):
[rup_node] = nrml.read(rup_model)
conv = sourceconverter.RuptureConverter(
oqparam.rupture_mesh_spacing, oqparam.complex_fault_mesh_spacing)
rup = conv.convert_node(rup_node)
elif rup_model.endswith('.toml'):
rup = rupture.from_toml(open(rup_model).read())
else:
raise ValueError('Unrecognized ruptures model %s' % rup_model)
rup.tectonic_region_type = '*' # there is not TRT for scenario ruptures
rup.rup_id = oqparam.random_seed
return rup
[docs]def get_source_model_lt(oqparam, validate=True):
"""
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:returns:
a :class:`openquake.commonlib.logictree.SourceModelLogicTree`
instance
"""
fname = oqparam.inputs.get('source_model_logic_tree')
if fname:
# NB: converting the random_seed into an integer is needed on Windows
smlt = logictree.SourceModelLogicTree(
fname, validate, seed=int(oqparam.random_seed),
num_samples=oqparam.number_of_logic_tree_samples)
else:
smlt = logictree.FakeSmlt(oqparam.inputs['source_model'],
int(oqparam.random_seed),
oqparam.number_of_logic_tree_samples)
return smlt
[docs]def get_composite_source_model(oqparam, h5=None):
"""
Parse the XML and build a complete composite source model in memory.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:param h5:
an open hdf5.File where to store the source info
"""
ucerf = oqparam.calculation_mode.startswith('ucerf')
source_model_lt = get_source_model_lt(oqparam, validate=not ucerf)
trts = source_model_lt.tectonic_region_types
trts_lower = {trt.lower() for trt in trts}
reqv = oqparam.inputs.get('reqv', {})
for trt in reqv:
if trt.lower() not in trts_lower:
raise ValueError('Unknown TRT=%s in %s [reqv]' %
(trt, oqparam.inputs['job_ini']))
gsim_lt = get_gsim_lt(oqparam, trts or ['*'])
p = source_model_lt.num_paths * gsim_lt.get_num_paths()
if oqparam.number_of_logic_tree_samples:
logging.info('Considering {:_d} logic tree paths out of {:_d}'.format(
oqparam.number_of_logic_tree_samples, p))
else: # full enumeration
if (oqparam.is_event_based() and
(oqparam.ground_motion_fields or oqparam.hazard_curves_from_gmfs)
and p > oqparam.max_potential_paths):
raise ValueError(
'There are too many potential logic tree paths (%d):'
'use sampling instead of full enumeration or reduce the '
'source model with oq reduce_sm' % p)
logging.info('Potential number of logic tree paths = {:_d}'.format(p))
if source_model_lt.on_each_source:
logging.info('There is a logic tree on each source')
ltmodels = get_ltmodels(oqparam, gsim_lt, source_model_lt, h5)
csm = source.CompositeSourceModel(gsim_lt, source_model_lt, ltmodels)
if oqparam.is_event_based():
# initialize the rupture rup_id numbers before splitting/filtering; in
# this way the serials are independent from the site collection
csm.init_serials(oqparam.ses_seed)
if oqparam.disagg_by_src:
csm = csm.grp_by_src() # one group per source
csm.info.gsim_lt.check_imts(oqparam.imtls)
return csm
[docs]def get_imts(oqparam):
"""
Return a sorted list of IMTs as hazardlib objects
"""
return list(map(imt.from_string, sorted(oqparam.imtls)))
[docs]def get_amplification(oqparam):
"""
:returns: a composite array (amplification, param, imt0, imt1, ...)
"""
fname = oqparam.inputs['amplification']
aw = hdf5.read_csv(fname, {'ampcode': 'S2', 'level': U8, None: F64})
levels = numpy.arange(len(aw.imls))
for records in group_array(aw, 'ampcode').values():
if (records['level'] != levels).any():
raise InvalidFile('%s: levels for %s %s instead of %s' %
(fname, records['ampcode'][0],
records['level'], levels))
return aw
def _cons_coeffs(records, limit_states):
dtlist = [(lt, F32) for lt in records['loss_type']]
coeffs = numpy.zeros(len(limit_states), dtlist)
for rec in records:
coeffs[rec['loss_type']] = [rec[ds] for ds in limit_states]
return coeffs
[docs]def get_crmodel(oqparam):
"""
Return a :class:`openquake.risklib.riskinput.CompositeRiskModel` instance
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
"""
riskdict = get_risk_models(oqparam)
oqparam.set_risk_imtls(riskdict)
if 'consequence' in oqparam.inputs:
# build consdict of the form cname_by_tagname -> tag -> array
consdict = {}
for by, fname in oqparam.inputs['consequence'].items():
dtypedict = {by: str, 'cname': str, 'loss_type': str, None: float}
dic = group_array(hdf5.read_csv(fname, dtypedict).array, 'cname')
for cname, group in dic.items():
bytag = {tag: _cons_coeffs(grp, riskdict.limit_states)
for tag, grp in group_array(group, by).items()}
consdict['%s_by_%s' % (cname, by)] = bytag
else:
# legacy approach, extract the consequences from the risk models
consdict = {'losses_by_taxonomy': {}}
for taxo, dic in riskdict.items():
coeffs_by_lt = {lt: dic.pop((lt, kind)) for lt, kind in list(dic)
if kind == 'consequence'}
if coeffs_by_lt:
dtlist = [(lt, F32) for lt in coeffs_by_lt]
coeffs = numpy.zeros(len(riskdict.limit_states), dtlist)
for lt, cf in coeffs_by_lt.items():
coeffs[lt] = cf
consdict['losses_by_taxonomy'][taxo] = coeffs
crm = riskmodels.CompositeRiskModel(oqparam, riskdict, consdict)
return crm
[docs]def get_exposure(oqparam):
"""
Read the full exposure in memory and build a list of
:class:`openquake.risklib.asset.Asset` instances.
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:returns:
an :class:`Exposure` instance or a compatible AssetCollection
"""
exposure = asset.Exposure.read(
oqparam.inputs['exposure'], oqparam.calculation_mode,
oqparam.region, oqparam.ignore_missing_costs,
by_country='country' in oqparam.aggregate_by)
exposure.mesh, exposure.assets_by_site = exposure.get_mesh_assets_by_site()
return exposure
[docs]def get_sitecol_assetcol(oqparam, haz_sitecol=None, cost_types=()):
"""
:param oqparam: calculation parameters
:param haz_sitecol: the hazard site collection
:param cost_types: the expected cost types
:returns: (site collection, asset collection, discarded)
"""
global exposure
asset_hazard_distance = oqparam.asset_hazard_distance['default']
if exposure is None:
# haz_sitecol not extracted from the exposure
exposure = get_exposure(oqparam)
if haz_sitecol is None:
haz_sitecol = get_site_collection(oqparam)
if oqparam.region_grid_spacing:
haz_distance = oqparam.region_grid_spacing * 1.414
if haz_distance != asset_hazard_distance:
logging.info('Using asset_hazard_distance=%d km instead of %d km',
haz_distance, asset_hazard_distance)
else:
haz_distance = asset_hazard_distance
if haz_sitecol.mesh != exposure.mesh:
# associate the assets to the hazard sites
sitecol, assets_by, discarded = geo.utils.assoc(
exposure.assets_by_site, haz_sitecol,
haz_distance, 'filter', exposure.asset_refs)
assets_by_site = [[] for _ in sitecol.complete.sids]
num_assets = 0
for sid, assets in zip(sitecol.sids, assets_by):
assets_by_site[sid] = assets
num_assets += len(assets)
logging.info(
'Associated %d assets to %d sites', num_assets, len(sitecol))
else:
# asset sites and hazard sites are the same
sitecol = haz_sitecol
assets_by_site = exposure.assets_by_site
discarded = []
logging.info('Read %d sites and %d assets from the exposure',
len(sitecol), sum(len(a) for a in assets_by_site))
assetcol = asset.AssetCollection(
exposure, assets_by_site, oqparam.time_event)
if assetcol.occupancy_periods:
missing = set(cost_types) - set(exposure.cost_types['name']) - set(
['occupants'])
else:
missing = set(cost_types) - set(exposure.cost_types['name'])
if missing and not oqparam.calculation_mode.endswith('damage'):
raise InvalidFile('The exposure %s is missing %s' %
(oqparam.inputs['exposure'], missing))
if (not oqparam.hazard_calculation_id and 'gmfs' not in oqparam.inputs
and 'hazard_curves' not in oqparam.inputs
and sitecol is not sitecol.complete):
# for predefined hazard you cannot reduce the site collection; instead
# you can in other cases, typically with a grid which is mostly empty
# (i.e. there are many hazard sites with no assets)
assetcol.reduce_also(sitecol)
return sitecol, assetcol, discarded
[docs]def levels_from(header):
levels = []
for field in header:
if field.startswith('poe-'):
levels.append(float(field[4:]))
return levels
[docs]def get_pmap_from_csv(oqparam, fnames):
"""
:param oqparam:
an :class:`openquake.commonlib.oqvalidation.OqParam` instance
:param fnames:
a space-separated list of .csv relative filenames
:returns:
the site mesh and the hazard curves read by the .csv files
"""
read = functools.partial(hdf5.read_csv, dtypedict={None: float})
imtls = {}
dic = {}
for wrapper in map(read, fnames):
dic[wrapper.imt] = wrapper.array
imtls[wrapper.imt] = levels_from(wrapper.dtype.names)
oqparam.hazard_imtls = imtls
oqparam.set_risk_imtls(get_risk_models(oqparam))
array = wrapper.array
mesh = geo.Mesh(array['lon'], array['lat'])
num_levels = sum(len(imls) for imls in oqparam.imtls.values())
data = numpy.zeros((len(mesh), num_levels))
level = 0
for im in oqparam.imtls:
arr = dic[im]
for poe in arr.dtype.names[3:]:
data[:, level] = arr[poe]
level += 1
for field in ('lon', 'lat', 'depth'): # sanity check
numpy.testing.assert_equal(arr[field], array[field])
return mesh, ProbabilityMap.from_array(data, range(len(mesh)))
# used in utils/reduce_sm and utils/extract_source
[docs]def reduce_source_model(smlt_file, source_ids, remove=True):
"""
Extract sources from the composite source model
"""
found = 0
to_remove = set()
for paths in logictree.collect_info(smlt_file).smpaths.values():
for path in paths:
logging.info('Reading %s', path)
root = nrml.read(path)
model = Node('sourceModel', root[0].attrib)
origmodel = root[0]
if root['xmlns'] == 'http://openquake.org/xmlns/nrml/0.4':
for src_node in origmodel:
if src_node['id'] in source_ids:
model.nodes.append(src_node)
else: # nrml/0.5
for src_group in origmodel:
sg = copy.copy(src_group)
sg.nodes = []
weights = src_group.get('srcs_weights')
if weights:
assert len(weights) == len(src_group.nodes)
else:
weights = [1] * len(src_group.nodes)
src_group['srcs_weights'] = reduced_weigths = []
for src_node, weight in zip(src_group, weights):
if src_node['id'] in source_ids:
found += 1
sg.nodes.append(src_node)
reduced_weigths.append(weight)
if sg.nodes:
model.nodes.append(sg)
shutil.copy(path, path + '.bak')
if model:
with open(path, 'wb') as f:
nrml.write([model], f, xmlns=root['xmlns'])
elif remove: # remove the files completely reduced
to_remove.add(path)
if found:
for path in to_remove:
os.remove(path)
def _checksum(fname, checksum):
if not os.path.exists(fname):
zpath = os.path.splitext(fname)[0] + '.zip'
if not os.path.exists(zpath):
raise OSError('No such file: %s or %s' % (fname, zpath))
with open(zpath, 'rb') as f:
data = f.read()
else:
with open(fname, 'rb') as f:
data = f.read()
return zlib.adler32(data, checksum)
[docs]def get_checksum32(oqparam, hazard=False):
"""
Build an unsigned 32 bit integer from the input files of a calculation.
:param oqparam: an OqParam instance
:param hazard: if True, consider only the hazard files
:returns: the checkume
"""
# NB: using adler32 & 0xffffffff is the documented way to get a checksum
# which is the same between Python 2 and Python 3
checksum = 0
for fname in get_input_files(oqparam, hazard):
checksum = _checksum(fname, checksum)
if hazard:
hazard_params = []
for key, val in vars(oqparam).items():
if key in ('rupture_mesh_spacing', 'complex_fault_mesh_spacing',
'width_of_mfd_bin', 'area_source_discretization',
'random_seed', 'ses_seed', 'truncation_level',
'maximum_distance', 'investigation_time',
'number_of_logic_tree_samples', 'imtls',
'pointsource_distance',
'ses_per_logic_tree_path', 'minimum_magnitude',
'sites', 'filter_distance'):
hazard_params.append('%s = %s' % (key, val))
data = '\n'.join(hazard_params).encode('utf8')
checksum = zlib.adler32(data, checksum) & 0xffffffff
return checksum