Пример #1
0
    def build_events_from_sources(self):
        """
        Prefilter the composite source model and store the source_info
        """
        gsims_by_trt = self.csm.full_lt.get_gsims_by_trt()
        logging.info('Building ruptures')
        for src in self.csm.get_sources():
            src.nsites = 1  # avoid 0 weight
        maxweight = sum(sg.weight for sg in self.csm.src_groups) / (
            self.oqparam.concurrent_tasks or 1)
        eff_ruptures = AccumDict(accum=0)  # trt => potential ruptures
        calc_times = AccumDict(accum=numpy.zeros(3, F32))  # nr, ns, dt
        allargs = []
        if self.oqparam.is_ucerf():
            # manage the filtering in a special way
            for sg in self.csm.src_groups:
                for src in sg:
                    src.src_filter = self.srcfilter
            srcfilter = nofilter  # otherwise it would be ultra-slow
        else:
            srcfilter = self.srcfilter
        for sg in self.csm.src_groups:
            if not sg.sources:
                continue
            logging.info('Sending %s', sg)
            par = self.param.copy()
            par['gsims'] = gsims_by_trt[sg.trt]
            for src_group in sg.split(maxweight):
                allargs.append((src_group, srcfilter, par))
        smap = parallel.Starmap(sample_ruptures,
                                allargs,
                                h5=self.datastore.hdf5)
        mon = self.monitor('saving ruptures')
        self.nruptures = 0
        for dic in smap:
            rup_array = dic['rup_array']
            if len(rup_array) == 0:
                continue
            if dic['calc_times']:
                calc_times += dic['calc_times']
            if dic['eff_ruptures']:
                eff_ruptures += dic['eff_ruptures']
            with mon:
                n = len(rup_array)
                rup_array['id'] = numpy.arange(self.nruptures,
                                               self.nruptures + n)
                self.nruptures += n
                hdf5.extend(self.datastore['ruptures'], rup_array)
                hdf5.extend(self.datastore['rupgeoms'], rup_array.geom)
        if len(self.datastore['ruptures']) == 0:
            raise RuntimeError('No ruptures were generated, perhaps the '
                               'investigation time is too short')

        # must be called before storing the events
        self.store_rlz_info(eff_ruptures)  # store full_lt
        with self.monitor('store source_info'):
            self.store_source_info(calc_times)
        imp = calc.RuptureImporter(self.datastore)
        with self.monitor('saving ruptures and events'):
            imp.import_rups(self.datastore.getitem('ruptures')[()])
Пример #2
0
    def _read_scenario_ruptures(self):
        oq = self.oqparam
        gsim_lt = readinput.get_gsim_lt(self.oqparam)
        G = gsim_lt.get_num_paths()
        if oq.calculation_mode.startswith('scenario'):
            ngmfs = oq.number_of_ground_motion_fields
        if oq.inputs['rupture_model'].endswith('.xml'):
            self.gsims = [gsim_rlz.value[0] for gsim_rlz in gsim_lt]
            self.cmaker = ContextMaker('*', self.gsims, {
                'maximum_distance': oq.maximum_distance,
                'imtls': oq.imtls
            })
            rup = readinput.get_rupture(oq)
            if self.N > oq.max_sites_disagg:  # many sites, split rupture
                ebrs = [
                    EBRupture(copyobj(rup, rup_id=rup.rup_id + i),
                              0,
                              0,
                              G,
                              e0=i * G) for i in range(ngmfs)
                ]
            else:  # keep a single rupture with a big occupation number
                ebrs = [EBRupture(rup, 0, 0, G * ngmfs, rup.rup_id)]
            aw = get_rup_array(ebrs, self.srcfilter)
            if len(aw) == 0:
                raise RuntimeError(
                    'The rupture is too far from the sites! Please check the '
                    'maximum_distance and the position of the rupture')
        elif oq.inputs['rupture_model'].endswith('.csv'):
            aw = readinput.get_ruptures(oq.inputs['rupture_model'])
            num_gsims = numpy.array(
                [len(gsim_lt.values[trt]) for trt in gsim_lt.values], U32)
            if oq.calculation_mode.startswith('scenario'):
                # rescale n_occ
                aw['n_occ'] *= ngmfs * num_gsims[aw['trt_smr']]
        rup_array = aw.array
        hdf5.extend(self.datastore['rupgeoms'], aw.geom)

        if len(rup_array) == 0:
            raise RuntimeError(
                'There are no sites within the maximum_distance'
                ' of %s km from the rupture' %
                oq.maximum_distance(rup.tectonic_region_type, rup.mag))

        # check the number of branchsets
        branchsets = len(gsim_lt._ltnode)
        if len(rup_array) == 1 and branchsets > 1:
            raise InvalidFile(
                '%s for a scenario calculation must contain a single '
                'branchset, found %d!' % (oq.inputs['job_ini'], branchsets))

        fake = logictree.FullLogicTree.fake(gsim_lt)
        self.realizations = fake.get_realizations()
        self.datastore['full_lt'] = fake
        self.store_rlz_info({})  # store weights
        self.save_params()
        imp = calc.RuptureImporter(self.datastore)
        imp.import_rups_events(rup_array, get_rupture_getters)
Пример #3
0
    def _read_scenario_ruptures(self):
        oq = self.oqparam
        gsim_lt = readinput.get_gsim_lt(self.oqparam)
        G = gsim_lt.get_num_paths()
        if oq.inputs['rupture_model'].endswith('.xml'):
            ngmfs = oq.number_of_ground_motion_fields
            self.gsims = readinput.get_gsims(oq)
            self.cmaker = ContextMaker('*', self.gsims, {
                'maximum_distance': oq.maximum_distance,
                'imtls': oq.imtls
            })
            rup = readinput.get_rupture(oq)
            mesh = surface_to_array(rup.surface).transpose(1, 2, 0).flatten()
            if self.N > oq.max_sites_disagg:  # many sites, split rupture
                ebrs = [
                    EBRupture(copyobj(rup, rup_id=rup.rup_id + i),
                              0,
                              0,
                              G,
                              e0=i * G) for i in range(ngmfs)
                ]
                meshes = numpy.array([mesh] * ngmfs, object)
            else:  # keep a single rupture with a big occupation number
                ebrs = [EBRupture(rup, 0, 0, G * ngmfs, rup.rup_id)]
                meshes = numpy.array([mesh] * ngmfs, object)
            rup_array = get_rup_array(ebrs, self.srcfilter).array
            hdf5.extend(self.datastore['rupgeoms'], meshes)
        elif oq.inputs['rupture_model'].endswith('.csv'):
            aw = readinput.get_ruptures(oq.inputs['rupture_model'])
            aw.array['n_occ'] = G
            rup_array = aw.array
            hdf5.extend(self.datastore['rupgeoms'], aw.geom)

        if len(rup_array) == 0:
            raise RuntimeError(
                'There are no sites within the maximum_distance'
                ' of %s km from the rupture' %
                oq.maximum_distance(rup.tectonic_region_type, rup.mag))

        # check the number of branchsets
        branchsets = len(gsim_lt._ltnode)
        if len(rup_array) == 1 and branchsets > 1:
            raise InvalidFile(
                '%s for a scenario calculation must contain a single '
                'branchset, found %d!' % (oq.inputs['job_ini'], branchsets))

        fake = logictree.FullLogicTree.fake(gsim_lt)
        self.realizations = fake.get_realizations()
        self.datastore['full_lt'] = fake
        self.store_rlz_info({})  # store weights
        self.save_params()
        calc.RuptureImporter(self.datastore).import_rups(rup_array)
Пример #4
0
    def _read_scenario_ruptures(self):
        oq = self.oqparam
        if oq.inputs['rupture_model'].endswith(('.xml', '.toml', '.txt')):
            self.gsims = readinput.get_gsims(oq)
            self.cmaker = ContextMaker(
                '*', self.gsims,
                {'maximum_distance': oq.maximum_distance,
                 'filter_distance': oq.filter_distance})
            n_occ = numpy.array([oq.number_of_ground_motion_fields])
            rup = readinput.get_rupture(oq)
            ebr = EBRupture(rup, 0, 0, n_occ)
            ebr.e0 = 0
            rup_array = get_rup_array([ebr], self.srcfilter).array
            mesh = surface_to_array(rup.surface).transpose(1, 2, 0).flatten()
            hdf5.extend(self.datastore['rupgeoms'],
                        numpy.array([mesh], object))
        elif oq.inputs['rupture_model'].endswith('.csv'):
            aw = readinput.get_ruptures(oq.inputs['rupture_model'])
            rup_array = aw.array
            hdf5.extend(self.datastore['rupgeoms'], aw.geom)

        if len(rup_array) == 0:
            raise RuntimeError(
                'There are no sites within the maximum_distance'
                ' of %s km from the rupture' % oq.maximum_distance(
                    rup.tectonic_region_type, rup.mag))

        gsim_lt = readinput.get_gsim_lt(self.oqparam)
        # check the number of branchsets
        branchsets = len(gsim_lt._ltnode)
        if len(rup_array) == 1 and branchsets > 1:
            raise InvalidFile(
                '%s for a scenario calculation must contain a single '
                'branchset, found %d!' % (oq.inputs['job_ini'], branchsets))

        fake = logictree.FullLogicTree.fake(gsim_lt)
        self.realizations = fake.get_realizations()
        self.datastore['full_lt'] = fake
        self.store_rlz_info({})  # store weights
        self.save_params()
        calc.RuptureImporter(self.datastore).import_rups(rup_array)
Пример #5
0
    def build_events_from_sources(self):
        """
        Prefilter the composite source model and store the source_info
        """
        gsims_by_trt = self.csm.full_lt.get_gsims_by_trt()
        sources = self.csm.get_sources()
        # weighting the heavy sources
        nrups = parallel.Starmap(
            count_ruptures, [(src,) for src in sources if src.code in b'AMC'],
            progress=logging.debug
        ).reduce()
        for src in sources:
            src.nsites = 1  # avoid 0 weight
            try:
                src.num_ruptures = nrups[src.source_id]
            except KeyError:
                src.num_ruptures = src.count_ruptures()
        maxweight = sum(sg.weight for sg in self.csm.src_groups) / (
            self.oqparam.concurrent_tasks or 1)
        eff_ruptures = AccumDict(accum=0)  # trt => potential ruptures
        calc_times = AccumDict(accum=numpy.zeros(3, F32))  # nr, ns, dt
        allargs = []
        if self.oqparam.is_ucerf():
            # manage the filtering in a special way
            for sg in self.csm.src_groups:
                for src in sg:
                    src.src_filter = self.srcfilter
            srcfilter = nofilter  # otherwise it would be ultra-slow
        else:
            srcfilter = self.srcfilter
        logging.info('Building ruptures')
        for sg in self.csm.src_groups:
            if not sg.sources:
                continue
            logging.info('Sending %s', sg)
            par = self.param.copy()
            par['gsims'] = gsims_by_trt[sg.trt]
            for src_group in sg.split(maxweight):
                allargs.append((src_group, srcfilter, par))
        smap = parallel.Starmap(
            sample_ruptures, allargs, h5=self.datastore.hdf5)
        mon = self.monitor('saving ruptures')
        self.nruptures = 0
        for dic in smap:
            # NB: dic should be a dictionary, but when the calculation dies
            # for an OOM it can become None, thus giving a very confusing error
            if dic is None:
                raise MemoryError('You ran out of memory!')
            rup_array = dic['rup_array']
            if len(rup_array) == 0:
                continue
            if dic['calc_times']:
                calc_times += dic['calc_times']
            if dic['eff_ruptures']:
                eff_ruptures += dic['eff_ruptures']
            with mon:
                n = len(rup_array)
                rup_array['id'] = numpy.arange(
                    self.nruptures, self.nruptures + n)
                self.nruptures += n
                hdf5.extend(self.datastore['ruptures'], rup_array)
                hdf5.extend(self.datastore['rupgeoms'], rup_array.geom)
        if len(self.datastore['ruptures']) == 0:
            raise RuntimeError('No ruptures were generated, perhaps the '
                               'investigation time is too short')

        # must be called before storing the events
        self.store_rlz_info(eff_ruptures)  # store full_lt
        self.store_source_info(calc_times)
        imp = calc.RuptureImporter(self.datastore)
        with self.monitor('saving ruptures and events'):
            imp.import_rups_events(
                self.datastore.getitem('ruptures')[()], get_rupture_getters)
Пример #6
0
    def _read_scenario_ruptures(self):
        oq = self.oqparam
        gsim_lt = readinput.get_gsim_lt(self.oqparam)
        G = gsim_lt.get_num_paths()
        if oq.calculation_mode.startswith('scenario'):
            ngmfs = oq.number_of_ground_motion_fields
        if oq.inputs['rupture_model'].endswith('.xml'):
            # check the number of branchsets
            bsets = len(gsim_lt._ltnode)
            if bsets > 1:
                raise InvalidFile(
                    '%s for a scenario calculation must contain a single '
                    'branchset, found %d!' % (oq.inputs['job_ini'], bsets))
            [(trt, rlzs_by_gsim)] = gsim_lt.get_rlzs_by_gsim_trt().items()
            self.cmaker = ContextMaker(
                trt, rlzs_by_gsim, {
                    'maximum_distance': oq.maximum_distance(trt),
                    'minimum_distance': oq.minimum_distance,
                    'truncation_level': oq.truncation_level,
                    'imtls': oq.imtls
                })
            rup = readinput.get_rupture(oq)
            if self.N > oq.max_sites_disagg:  # many sites, split rupture
                ebrs = [
                    EBRupture(copyobj(rup, rup_id=rup.rup_id + i),
                              'NA',
                              0,
                              G,
                              e0=i * G,
                              scenario=True) for i in range(ngmfs)
                ]
            else:  # keep a single rupture with a big occupation number
                ebrs = [
                    EBRupture(rup,
                              'NA',
                              0,
                              G * ngmfs,
                              rup.rup_id,
                              scenario=True)
                ]
            srcfilter = SourceFilter(self.sitecol, oq.maximum_distance(trt))
            aw = get_rup_array(ebrs, srcfilter)
            if len(aw) == 0:
                raise RuntimeError(
                    'The rupture is too far from the sites! Please check the '
                    'maximum_distance and the position of the rupture')
        elif oq.inputs['rupture_model'].endswith('.csv'):
            aw = get_ruptures(oq.inputs['rupture_model'])
            if len(gsim_lt.values) == 1:  # fix for scenario_damage/case_12
                aw['trt_smr'] = 0  # a single TRT
            if oq.calculation_mode.startswith('scenario'):
                # rescale n_occ by ngmfs and nrlzs
                aw['n_occ'] *= ngmfs * gsim_lt.get_num_paths()
        else:
            raise InvalidFile("Something wrong in %s" % oq.inputs['job_ini'])
        rup_array = aw.array
        hdf5.extend(self.datastore['rupgeoms'], aw.geom)

        if len(rup_array) == 0:
            raise RuntimeError(
                'There are no sites within the maximum_distance'
                ' of %s km from the rupture' %
                oq.maximum_distance(rup.tectonic_region_type)(rup.mag))

        fake = logictree.FullLogicTree.fake(gsim_lt)
        self.realizations = fake.get_realizations()
        self.datastore['full_lt'] = fake
        self.store_rlz_info({})  # store weights
        self.save_params()
        imp = calc.RuptureImporter(self.datastore)
        imp.import_rups_events(rup_array, get_rupture_getters)
Пример #7
0
    def build_events_from_sources(self):
        """
        Prefilter the composite source model and store the source_info
        """
        oq = self.oqparam
        params = dict(imtls=oq.imtls,
                      ses_per_logic_tree_path=oq.ses_per_logic_tree_path,
                      ses_seed=oq.ses_seed)
        gsims_by_trt = self.csm.full_lt.get_gsims_by_trt()
        sources = self.csm.get_sources()
        # weighting the heavy sources
        nrups = parallel.Starmap(count_ruptures,
                                 [(src, )
                                  for src in sources if src.code in b'AMC'],
                                 progress=logging.debug).reduce()
        for src in sources:
            try:
                src.num_ruptures = nrups[src.source_id]
            except KeyError:
                src.num_ruptures = src.count_ruptures()
            src.weight = src.num_ruptures
        maxweight = sum(sg.weight for sg in self.csm.src_groups) / (
            self.oqparam.concurrent_tasks or 1)
        eff_ruptures = AccumDict(accum=0)  # grp_id => potential ruptures
        source_data = AccumDict(accum=[])
        allargs = []
        if self.oqparam.is_ucerf():
            # manage the filtering in a special way
            for sg in self.csm.src_groups:
                for src in sg:
                    src.src_filter = self.srcfilter
            srcfilter = nofilter  # otherwise it would be ultra-slow
        else:
            srcfilter = self.srcfilter
        logging.info('Building ruptures')
        for sg in self.csm.src_groups:
            if not sg.sources:
                continue
            logging.info('Sending %s', sg)
            cmaker = ContextMaker(sg.trt, gsims_by_trt[sg.trt], oq)
            for src_group in sg.split(maxweight):
                allargs.append((src_group, cmaker, srcfilter.sitecol))
        smap = parallel.Starmap(sample_ruptures,
                                allargs,
                                h5=self.datastore.hdf5)
        mon = self.monitor('saving ruptures')
        self.nruptures = 0  # estimated classical ruptures within maxdist
        for dic in smap:
            # NB: dic should be a dictionary, but when the calculation dies
            # for an OOM it can become None, thus giving a very confusing error
            if dic is None:
                raise MemoryError('You ran out of memory!')
            rup_array = dic['rup_array']
            if len(rup_array) == 0:
                continue
            if dic['source_data']:
                source_data += dic['source_data']
            if dic['eff_ruptures']:
                eff_ruptures += dic['eff_ruptures']
            with mon:
                n = len(rup_array)
                rup_array['id'] = numpy.arange(self.nruptures,
                                               self.nruptures + n)
                self.nruptures += n
                hdf5.extend(self.datastore['ruptures'], rup_array)
                hdf5.extend(self.datastore['rupgeoms'], rup_array.geom)
        if len(self.datastore['ruptures']) == 0:
            raise RuntimeError('No ruptures were generated, perhaps the '
                               'investigation time is too short')

        # don't change the order of the 3 things below!
        self.store_source_info(source_data)
        self.store_rlz_info(eff_ruptures)
        imp = calc.RuptureImporter(self.datastore)
        with self.monitor('saving ruptures and events'):
            imp.import_rups_events(
                self.datastore.getitem('ruptures')[()], get_rupture_getters)