def __init__(self, building, standard, location, year, carbon, deflator, marr=None): self.master = self self.building = building self.location = location self.standard = standard self.year = year if isinstance(year, Quantity) else Quantity(year, 'years') self.data = EnergyPlusData.objects.get(building=building, location=location, standard=standard) self.deflator = float(deflator) self.marr = float(marr or deflator) try: self.set = ResultSet.objects.get( deflator=Decimal(str(deflator)), marr=Decimal(marr or str(deflator))) except ResultSet.DoesNotExist: self.set = None self.components = ComponentCostList(self) self.assemblies = AssemblyCostList(self) self.energy = EnergyCost(self) self.mrr = MRR(self) self.base_residual = BaseResidual(self) self.residual = ResidualValue(self) self.energy_efficiency = EnergyEfficiencyCost(self) self.first = FirstCost(self) self.future = FutureCost(self) self.investment = InvestmentCost(self) self.lifecycle = LifeCycleCost(self) self.emissions = Emissions(self, carbon)
class Results(object):
def __init__(self, building, standard, location, year, carbon, deflator, marr=None):
self.master = self
self.building = building
self.location = location
self.standard = standard
self.year = year if isinstance(year, Quantity) else Quantity(year, 'years')
self.data = EnergyPlusData.objects.get(building=building, location=location, standard=standard)
self.deflator = float(deflator)
self.marr = float(marr or deflator)
try:
self.set = ResultSet.objects.get(
deflator=Decimal(str(deflator)),
marr=Decimal(marr or str(deflator)))
except ResultSet.DoesNotExist:
self.set = None
self.components = ComponentCostList(self)
self.assemblies = AssemblyCostList(self)
self.energy = EnergyCost(self)
self.mrr = MRR(self)
self.base_residual = BaseResidual(self)
self.residual = ResidualValue(self)
self.energy_efficiency = EnergyEfficiencyCost(self)
self.first = FirstCost(self)
self.future = FutureCost(self)
self.investment = InvestmentCost(self)
self.lifecycle = LifeCycleCost(self)
self.emissions = Emissions(self, carbon)
@cached_property
def years(self):
return range(int(self.year.item()))
@cached_property
def census_region(self):
return self.location.state.census_region
@cached_property
def climate_zone(self):
type = self.standard.zone_type.model_class()
if type == Ashrae01:
return self.location.ashrae01
elif type == Ashrae04:
return self.location.ashrae04
raise ValueError('Can not determine climate zone for standard %s' % self.standard)
@cache
def airr(self, base):
si = self.investment.cost()
bi = base.investment.cost()
if si <= bi: return 'Infinite'
sec = self.energy.cost()
bec = base.energy.cost()
sir = ((sec - bec) / (si - bi)).item()
if sir < 0: return 'Imaginary'
n, r = self.year.item(), self.marr
return (1 + r) * (sir ** (1.0 / n)) - 1
def __init__(self,
building,
standard,
location,
year,
carbon,
deflator,
marr=None):
self.master = self
self.building = building
self.location = location
self.standard = standard
self.year = year if isinstance(year, Quantity) else Quantity(
year, 'years')
self.data = EnergyPlusData.objects.get(building=building,
location=location,
standard=standard)
self.deflator = float(deflator)
self.marr = float(marr or deflator)
try:
self.set = ResultSet.objects.get(deflator=Decimal(str(deflator)),
marr=Decimal(marr
or str(deflator)))
except ResultSet.DoesNotExist:
self.set = None
self.components = ComponentCostList(self)
self.assemblies = AssemblyCostList(self)
self.energy = EnergyCost(self)
self.mrr = MRR(self)
self.base_residual = BaseResidual(self)
self.residual = ResidualValue(self)
self.energy_efficiency = EnergyEfficiencyCost(self)
self.first = FirstCost(self)
self.future = FutureCost(self)
self.investment = InvestmentCost(self)
self.lifecycle = LifeCycleCost(self)
self.emissions = Emissions(self, carbon)
class Results(object):
def __init__(self,
building,
standard,
location,
year,
carbon,
deflator,
marr=None):
self.master = self
self.building = building
self.location = location
self.standard = standard
self.year = year if isinstance(year, Quantity) else Quantity(
year, 'years')
self.data = EnergyPlusData.objects.get(building=building,
location=location,
standard=standard)
self.deflator = float(deflator)
self.marr = float(marr or deflator)
try:
self.set = ResultSet.objects.get(deflator=Decimal(str(deflator)),
marr=Decimal(marr
or str(deflator)))
except ResultSet.DoesNotExist:
self.set = None
self.components = ComponentCostList(self)
self.assemblies = AssemblyCostList(self)
self.energy = EnergyCost(self)
self.mrr = MRR(self)
self.base_residual = BaseResidual(self)
self.residual = ResidualValue(self)
self.energy_efficiency = EnergyEfficiencyCost(self)
self.first = FirstCost(self)
self.future = FutureCost(self)
self.investment = InvestmentCost(self)
self.lifecycle = LifeCycleCost(self)
self.emissions = Emissions(self, carbon)
@cached_property
def years(self):
return range(int(self.year.item()))
@cached_property
def census_region(self):
return self.location.state.census_region
@cached_property
def climate_zone(self):
type = self.standard.zone_type.model_class()
if type == Ashrae01:
return self.location.ashrae01
elif type == Ashrae04:
return self.location.ashrae04
raise ValueError('Can not determine climate zone for standard %s' %
self.standard)
@cache
def airr(self, base):
si = self.investment.cost()
bi = base.investment.cost()
if si <= bi: return 'Infinite'
sec = self.energy.cost()
bec = base.energy.cost()
sir = ((sec - bec) / (si - bi)).item()
if sir < 0: return 'Imaginary'
n, r = self.year.item(), self.marr
return (1 + r) * (sir**(1.0 / n)) - 1