Exemplo n.º 1
0
    def __init__(self, taxonomy, rc, epsilon_sampling=0):
        self.taxonomy = taxonomy
        self.rc = rc
        self.epsilon_sampling = epsilon_sampling
        self.hc = rc.get_hazard_calculation()
        max_dist = rc.best_maximum_distance * 1000  # km to meters
        cursor = models.getcursor('job_init')

        hazard_exposure = models.extract_from([self.hc.oqjob], 'exposuremodel')
        if self.rc.exposure_model is hazard_exposure:
            # no need of geospatial queries, just join on the location
            self.assoc_query = cursor.mogrify("""\
WITH assocs AS (
  SELECT %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON exp.site::text = hsite.location::text
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (rc.oqjob.id, self.hc.id,
                          rc.exposure_model.id, taxonomy,
                          rc.region_constraint.wkt))
        else:
            # associate each asset to the closest hazard site
            self.assoc_query = cursor.mogrify("""\
WITH assocs AS (
  SELECT DISTINCT ON (exp.id) %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON ST_DWithin(exp.site, hsite.location, %s)
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
  ORDER BY exp.id, ST_Distance(exp.site, hsite.location, false)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (rc.oqjob.id, max_dist, self.hc.id,
                          rc.exposure_model.id, taxonomy,
                          rc.region_constraint.wkt))

        # insert the associations for the current taxonomy
        with transaction.commit_on_success(using='job_init'):
            cursor.execute(self.assoc_query)

        # now read the associations just inserted
        self.asset_sites = models.AssetSite.objects.filter(
            job=rc.oqjob, asset__taxonomy=taxonomy)
        if not self.asset_sites:
            raise AssetSiteAssociationError(
                'Could not associated any asset of taxonomy %s to '
                'hazard sites within the distance of %s km'
                % (taxonomy, self.rc.best_maximum_distance))

        self.asset_ids = [a.asset_id for a in self.asset_sites]
        self.site_ids = [a.site_id for a in self.asset_sites]
        self.rupture_ids = {}
        self.epsilons_shape = {}
Exemplo n.º 2
0
    def __init__(self, taxonomy, calc):
        self.exposure_model = calc.exposure_model
        self.hazard_outputs = calc.get_hazard_outputs()
        self.taxonomy = taxonomy
        self.calc = calc
        self.oqparam = models.OqJob.objects.get(
            pk=calc.oqparam.hazard_calculation_id)
        self.calculation_mode = self.calc.oqparam.calculation_mode
        self.number_of_ground_motion_fields = self.oqparam.get_param(
            'number_of_ground_motion_fields', 0)
        max_dist = calc.best_maximum_distance * 1000  # km to meters
        self.cursor = models.getcursor('job_init')

        hazard_exposure = models.extract_from([self.oqparam], 'exposuremodel')
        if self.exposure_model and hazard_exposure and \
           self.exposure_model.id == hazard_exposure.id:
            # no need of geospatial queries, just join on the location
            self.assoc_query = self.cursor.mogrify(
                """\
WITH assocs AS (
  SELECT %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON exp.site::text = hsite.location::text
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""",
                (self.calc.job.id, self.oqparam.id, self.exposure_model.id,
                 taxonomy, self.calc.oqparam.region_constraint))
        else:
            # associate each asset to the closest hazard site
            self.assoc_query = self.cursor.mogrify(
                """\
WITH assocs AS (
  SELECT DISTINCT ON (exp.id) %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON ST_DWithin(exp.site, hsite.location, %s)
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
  ORDER BY exp.id, ST_Distance(exp.site, hsite.location, false)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (self.calc.job.id, max_dist, self.oqparam.id,
                          self.exposure_model.id, taxonomy,
                          self.calc.oqparam.region_constraint))
        self.num_assets = 0
        self._rupture_ids = {}
        self.epsilons_shape = {}
Exemplo n.º 3
0
    def __init__(self, taxonomy, calc):
        self.exposure_model = calc.exposure_model
        self.hazard_outputs = calc.get_hazard_outputs()
        self.taxonomy = taxonomy
        self.calc = calc
        self.oqparam = models.OqJob.objects.get(
            pk=calc.oqparam.hazard_calculation_id)
        self.calculation_mode = self.calc.oqparam.calculation_mode
        self.number_of_ground_motion_fields = self.oqparam.get_param(
            'number_of_ground_motion_fields', 0)
        max_dist = calc.best_maximum_distance * 1000  # km to meters
        self.cursor = models.getcursor('job_init')

        hazard_exposure = models.extract_from([self.oqparam], 'exposuremodel')
        if self.exposure_model and hazard_exposure and \
           self.exposure_model.id == hazard_exposure.id:
            # no need of geospatial queries, just join on the location
            self.assoc_query = self.cursor.mogrify("""\
WITH assocs AS (
  SELECT %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN (SELECT id, lon, lat FROM hzrdi.hazard_site
  WHERE hazard_calculation_id = %s
  AND ST_Covers(ST_GeometryFromText(%s), ST_MakePoint(lon, lat))) AS hsite
  ON ST_X(exp.site::GEOMETRY) = hsite.lon
  AND ST_Y(exp.site::GEOMETRY) = hsite.lat
  WHERE exposure_model_id = %s AND taxonomy=%s
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (self.calc.job.id, self.oqparam.id,
                          self.calc.oqparam.region_constraint,
                          self.exposure_model.id, taxonomy))
        else:
            # associate each asset to the closest hazard site
            self.assoc_query = self.cursor.mogrify("""\
WITH assocs AS (
  SELECT DISTINCT ON (exp.id) %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN (SELECT id, lon, lat FROM hzrdi.hazard_site
  WHERE hazard_calculation_id = %s
  AND ST_Covers(ST_GeometryFromText(%s), ST_MakePoint(lon, lat))) AS hsite
  ON ST_DWithin(exp.site, ST_MakePoint(hsite.lon, hsite.lat)::geography, %s)
  WHERE exposure_model_id = %s AND taxonomy=%s
  ORDER BY exp.id, ST_Distance(
  exp.site, ST_MakePoint(hsite.lon, hsite.lat)::geography, false)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (self.calc.job.id, self.oqparam.id,
                          self.calc.oqparam.region_constraint, max_dist,
                          self.exposure_model.id, taxonomy))
        self.num_assets = 0
        self._rupture_ids = {}
        self.epsilons_shape = {}
Exemplo n.º 4
0
    def __init__(self, taxonomy, rc):
        self.hazard_outputs = rc.hazard_outputs()
        self.taxonomy = taxonomy
        self.rc = rc
        self.hc = rc.hazard_calculation
        self.calculation_mode = self.rc.oqjob.get_param('calculation_mode')
        self.number_of_ground_motion_fields = self.hc.get_param(
            'number_of_ground_motion_fields', 0)
        max_dist = rc.best_maximum_distance * 1000  # km to meters
        self.cursor = models.getcursor('job_init')

        hazard_exposure = models.extract_from([self.hc], 'exposuremodel')
        if self.rc.exposure_model is hazard_exposure:
            # no need of geospatial queries, just join on the location
            self.assoc_query = self.cursor.mogrify("""\
WITH assocs AS (
  SELECT %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON exp.site::text = hsite.location::text
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (rc.oqjob.id, self.hc.id,
                          rc.exposure_model.id, taxonomy,
                          rc.region_constraint))
        else:
            # associate each asset to the closest hazard site
            self.assoc_query = self.cursor.mogrify("""\
WITH assocs AS (
  SELECT DISTINCT ON (exp.id) %s, exp.id, hsite.id
  FROM riski.exposure_data AS exp
  JOIN hzrdi.hazard_site AS hsite
  ON ST_DWithin(exp.site, hsite.location, %s)
  WHERE hsite.hazard_calculation_id = %s
  AND exposure_model_id = %s AND taxonomy=%s
  AND ST_COVERS(ST_GeographyFromText(%s), exp.site)
  ORDER BY exp.id, ST_Distance(exp.site, hsite.location, false)
)
INSERT INTO riskr.asset_site (job_id, asset_id, site_id)
SELECT * FROM assocs""", (rc.oqjob.id, max_dist, self.hc.id,
                          rc.exposure_model.id, taxonomy,
                          rc.region_constraint))

        self.num_assets = 0
        self._rupture_ids = {}
        self.epsilons_shape = {}