def pre_execute(self):
oq = self.oqparam
if oq.iml_disagg and not oq.disagg_by_src:
# no need to run a PSHACalculator
base.HazardCalculator.pre_execute(self)
else:
# we need to run a PSHACalculator
cl = classical.PSHACalculator(oq, self.datastore.calc_id)
cl.run()
self.csm = cl.csm
self.rlzs_assoc = cl.rlzs_assoc # often reduced logic tree
self.sitecol = cl.sitecol
def execute(self):
"""Performs the disaggregation"""
oq = self.oqparam
if oq.iml_disagg:
# no hazard curves are needed
curves = [None] * len(self.sitecol)
else:
# only the poes_disagg are known, the IMLs are interpolated from
# the hazard curves, hence the need to run a PSHACalculator here
cl = classical.PSHACalculator(oq,
self.monitor('classical'),
calc_id=self.datastore.calc_id)
cl.run()
self.rlzs_assoc = cl.rlzs_assoc # often reduced logic tree
curves = [self.get_curves(sid) for sid in self.sitecol.sids]
self.check_poes_disagg(curves)
return self.full_disaggregation(curves)