def compute(self, dataset_pool):
parcels = self.get_dataset()
templates = dataset_pool.get_dataset('development_template')
template_components = dataset_pool.get_dataset('development_template_component')
proposals = create_from_parcel_and_development_template(
parcels, templates,
filter_attribute="has_vacant_land=urbansim_parcel.parcel.vacant_land_area > 0",
proposed_units_variable="psrc_parcel.development_project_proposal.units_proposed_plus_minimum_1DU_per_legal_lot_yield",
dataset_pool=dataset_pool, resources=None)
dataset_pool.replace_dataset('development_project_proposal', proposals)
self.add_and_solve_dependencies([
"_max_capacity = parcel.aggregate(urbansim_parcel.development_project_proposal.land_area_taken * (development_project_proposal.disaggregate(land_use_type.generic_land_use_type_id, intermediates=[development_template])==%s), function=maximum)" % self.glu
])
return parcels["_max_capacity"]
if template_filter is not None:
try:
index2 = where(templates.compute_variables(template_filter))[0]
except Exception, e:
logger.log_warning( "template_filter is set to %s, but there is an error when computing it: %s"
% (template_filter, e) )
index2 = None
else:
index2 = None
if create_proposal_set:
logger.start_block("Creating proposals for new development")
proposal_set = create_from_parcel_and_development_template( parcels, templates,
filter_attribute=self.filter,
parcel_index = index1,
template_index = index2,
proposed_units_variable=proposed_units_variable,
dataset_pool=dataset_pool,
resources = kwargs.get("resources", None) )
proposal_set.add_attribute( zeros(proposal_set.size(), dtype=int16), "is_redevelopment", AttributeType.PRIMARY )
# Line added by Jesse Ayers, MAG, 7/20/2009
# adding a primary attribute to catch a later computation
proposal_set.add_attribute( zeros(proposal_set.size(), dtype=int32), "total_land_area_taken", AttributeType.PRIMARY )
logger.end_block()
'''if parcel_filter_for_redevelopment is not None:
logger.start_block("Creating proposals for re-development")
buildings = dataset_pool.get_dataset('building')
land_area = buildings.get_attribute("land_area").copy()
parcels.compute_variables(parcel_filter_for_redevelopment, dataset_pool=dataset_pool)
is_redevelopment = parcels.get_attribute( parcel_filter_for_redevelopment) > 0
buildings_parcel_ids = buildings.get_attribute( "parcel_id" )
index2 = where(templates.compute_variables(template_filter))[0]
except Exception, e:
logger.log_warning(
"template_filter is set to %s, but there is an error when computing it: %s"
% (template_filter, e))
index2 = None
else:
index2 = None
if create_proposal_set:
logger.start_block("Creating proposals for new development")
proposal_set = create_from_parcel_and_development_template(
parcels,
templates,
filter_attribute=self.filter,
parcel_index=index1,
template_index=index2,
proposed_units_variable=proposed_units_variable,
dataset_pool=dataset_pool,
resources=kwargs.get("resources", None))
proposal_set.add_attribute(zeros(proposal_set.size(),
dtype=int16), "is_redevelopment",
AttributeType.PRIMARY)
# Line added by Jesse Ayers, MAG, 7/20/2009
# adding a primary attribute to catch a later computation
proposal_set.add_attribute(zeros(proposal_set.size(), dtype=int32),
"total_land_area_taken",
AttributeType.PRIMARY)
logger.end_block()
'''if parcel_filter_for_redevelopment is not None:
logger.start_block("Creating proposals for re-development")
