# coding=utf-8
"""Complete set of REopt Simulation Settings."""
from __future__ import division
import os
import json
import math
from ladybug_geometry.geometry2d.pointvector import Point2D, Vector2D
from ladybug_geometry.geometry2d.polygon import Polygon2D
from honeybee.typing import float_positive, float_in_range, int_positive, \
valid_ep_string, valid_string
from dragonfly.projection import polygon_to_lon_lat, meters_to_long_lat_factors, \
origin_long_lat_from_location
[docs]class REoptParameter(object):
"""Complete set of REopt Simulation Settings.
Args:
financial_parameter: A FinancialParameter object to describe the parameters
of the financial analysis. If None, a set of defaults will be
generated. (Default: None).
wind_parameter: A WindParameter object to set the cost and max amount of
wind to include in the analysis. If None, no wind will be included
in the analysis. (Default: None).
pv_parameter: A PVParameter object to set the cost and max amount of
photovoltaic to include in the analysis. If None, no PV will be included
in the analysis. (Default: None).
storage_parameter: A StorageParameter object to set the cost and max amount of
electricity storage to include in the analysis. If None, no storage
will be included in the analysis. (Default: None).
generator_parameter: A GeneratorParameter object to set the cost and max amount
of generators to include in the analysis. If None, no generators
will be included in the analysis. (Default: None).
Properties:
* financial_parameter
* wind_parameter
* pv_parameter
* storage_parameter
* generator_parameter
"""
def __init__(self, financial_parameter=None, wind_parameter=None, pv_parameter=None,
storage_parameter=None, generator_parameter=None):
"""Initialize SimulationParameter."""
self.financial_parameter = financial_parameter
self.wind_parameter = wind_parameter
self.pv_parameter = pv_parameter
self.storage_parameter = storage_parameter
self.generator_parameter = generator_parameter
@property
def financial_parameter(self):
"""Get or set a FinancialParameter object for financial settings."""
return self._financial_parameter
@financial_parameter.setter
def financial_parameter(self, value):
if value is not None:
assert isinstance(value, FinancialParameter), 'Expected ' \
'FinancialParameter. Got {}.'.format(type(value))
self._financial_parameter = value
else:
self._financial_parameter = FinancialParameter()
@property
def wind_parameter(self):
"""Get or set a WindParameter object for wind settings."""
return self._wind_parameter
@wind_parameter.setter
def wind_parameter(self, value):
if value is not None:
assert isinstance(value, WindParameter), 'Expected ' \
'WindParameter. Got {}.'.format(type(value))
self._wind_parameter = value
else:
self._wind_parameter = WindParameter()
@property
def pv_parameter(self):
"""Get or set a PVParameter object for photovoltaic settings."""
return self._pv_parameter
@pv_parameter.setter
def pv_parameter(self, value):
if value is not None:
assert isinstance(value, PVParameter), 'Expected ' \
'PVParameter. Got {}.'.format(type(value))
self._pv_parameter = value
else:
self._pv_parameter = PVParameter()
@property
def storage_parameter(self):
"""Get or set a StorageParameter object for electricity storage settings."""
return self._storage_parameter
@storage_parameter.setter
def storage_parameter(self, value):
if value is not None:
assert isinstance(value, StorageParameter), 'Expected ' \
'StorageParameter. Got {}.'.format(type(value))
self._storage_parameter = value
else:
self._storage_parameter = StorageParameter()
@property
def generator_parameter(self):
"""Get or set a GeneratorParameter object for electricity storage settings."""
return self._generator_parameter
@generator_parameter.setter
def generator_parameter(self, value):
if value is not None:
assert isinstance(value, GeneratorParameter), 'Expected ' \
'GeneratorParameter. Got {}.'.format(type(value))
self._generator_parameter = value
else:
self._generator_parameter = GeneratorParameter()
[docs] def to_assumptions_dict(self, base_file, urdb_label):
"""Get REoptParameter as a dictionary representation in the REopt Lite schema.
Full documentation of the REopt Lite schema can be found at.
https://developer.nrel.gov/docs/energy-optimization/reopt-v1/
Args:
base_file: A JSON file in the REopt Lite schema containing a base set
of assumptions that will be modified based on the properties of
this object.
urdb_label: Text string for the Utility Rate Database (URDB) label
for the particular electrical utility rate for the
optimization. The label is the last term of the URL of a
utility rate detail page (eg. the label for the rate at
https://openei.org/apps/IURDB/rate/view/5b0d83af5457a3f276733305
is 5b0d83af5457a3f276733305).
"""
# load up the base dictionary
assert os.path.isfile(base_file), \
'No base JSON file found at {}.'.format(base_file)
with open(base_file, 'r') as base_f:
base_dict = json.load(base_f)
# apply this object's properties
site_dict = base_dict['Scenario']['Site']
site_dict['ElectricTariff']['urdb_label'] = urdb_label
self.financial_parameter.apply_to_dict(site_dict['Financial'])
self.wind_parameter.apply_to_dict(site_dict['Wind'])
self.pv_parameter.apply_to_dict(site_dict['PV'])
self.storage_parameter.apply_to_dict(site_dict['Storage'])
self.generator_parameter.apply_to_dict(site_dict['Generator'])
return base_dict
[docs] def duplicate(self):
"""Get a copy of this object."""
return self.__copy__()
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __copy__(self):
return REoptParameter(
self.financial_parameter.duplicate(), self.wind_parameter.duplicate(),
self.pv_parameter.duplicate(), self.storage_parameter.duplicate(),
self.generator_parameter.duplicate())
def __repr__(self):
return 'REoptParameter:'
[docs]class FinancialParameter(object):
"""Complete set of Financial settings for REopt.
Args:
analysis_years: An integer for the number of years over which cost will
be optimized. (Default: 25).
escalation_rate: A number between 0 and 1 for the escalation rate over
the analysis. (Default: 0.023).
tax_rate: A number between 0 and 1 for the rate at which the owner/host
of the system is taxed. (Default: 0.26).
discount_rate: A number between 0 and 1 for the discount rate for the
owner/host of the system. (Default: 0.083).
Properties:
* analysis_years
* escalation_rate
* tax_rate
* discount_rate
"""
def __init__(self, analysis_years=25, escalation_rate=0.023,
tax_rate=0.26, discount_rate=0.083):
"""Initialize FinancialParameter."""
self.analysis_years = analysis_years
self.escalation_rate = escalation_rate
self.tax_rate = tax_rate
self.discount_rate = discount_rate
@property
def analysis_years(self):
"""Get or set a integer for the number of years to run the analysis."""
return self._analysis_years
@analysis_years.setter
def analysis_years(self, value):
self._analysis_years = int_positive(
value, input_name='financial parameter analysis years')
@property
def escalation_rate(self):
"""Get or set a fractional number for the escalation rate."""
return self._escalation_rate
@escalation_rate.setter
def escalation_rate(self, value):
self._escalation_rate = float_in_range(
value, 0, 1, input_name='financial parameter escalation rate')
@property
def tax_rate(self):
"""Get or set a fractional number for the tax rate."""
return self._tax_rate
@tax_rate.setter
def tax_rate(self, value):
self._tax_rate = float_in_range(
value, 0, 1, input_name='financial parameter tax rate')
@property
def discount_rate(self):
"""Get or set a fractional number for the discount rate."""
return self._discount_rate
@discount_rate.setter
def discount_rate(self, value):
self._discount_rate = float_in_range(
value, 0, 1, input_name='financial parameter discount rate')
[docs] def apply_to_dict(self, base_dict):
"""Apply this object's properties to a 'Financial' object of REopt schema."""
base_dict['analysis_years'] = self.analysis_years
base_dict['escalation_pct'] = self.escalation_rate
base_dict['offtaker_tax_pct'] = self.tax_rate
base_dict['offtaker_discount_pct'] = self.discount_rate
[docs] def duplicate(self):
"""Get a copy of this object."""
return self.__copy__()
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __copy__(self):
return FinancialParameter(
self.analysis_years, self.escalation_rate, self.tax_rate, self.discount_rate)
def __repr__(self):
return 'REopt FinancialParameter:'
class _SourceParameter(object):
"""Base class for all REopt energy sources.
Args:
max_kw: A number for the maximum installed kilowatts of the energy
source. (Default: 0).
dollars_per_kw: A number for the installation cost of the energy source in
US dollars. (Default: 500).
Properties:
* max_kw
* dollars_per_kw
"""
def __init__(self, max_kw=0, dollars_per_kw=500):
self.max_kw = max_kw
self.dollars_per_kw = dollars_per_kw
@property
def max_kw(self):
"""Get or set a number for the maximum installed kilowatts."""
return self._max_kw
@max_kw.setter
def max_kw(self, value):
self._max_kw = float_positive(value, input_name='reopt max kw')
@property
def dollars_per_kw(self):
"""Get or set a number for the installation cost in US dollars."""
return self._dollars_per_kw
@dollars_per_kw.setter
def dollars_per_kw(self, value):
self._dollars_per_kw = float_positive(value, input_name='reopt dollars per kw')
def apply_to_dict(self, base_dict):
"""Apply this object's properties to an object of REopt schema."""
base_dict['max_kw'] = self.max_kw
base_dict['installed_cost_us_dollars_per_kw'] = self.dollars_per_kw
def duplicate(self):
"""Get a copy of this object."""
return self.__copy__()
def __copy__(self):
return self.__class__(self.max_kw, self.dollars_per_kw)
[docs]class WindParameter(_SourceParameter):
"""Wind settings for REopt.
Args:
max_kw: A number for the maximum installed kilowatts. (Default: 0).
dollars_per_kw: A number for installation cost in US dollars. (Default: 3013).
Properties:
* max_kw
* dollars_per_kw
"""
def __init__(self, max_kw=0, dollars_per_kw=3013):
_SourceParameter.__init__(self, max_kw, dollars_per_kw)
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __repr__(self):
return 'REopt WindParameter: {} kW'.format(self.max_kw)
[docs]class PVParameter(_SourceParameter):
"""Photovoltaic settings for REopt.
Args:
max_kw: A number for the maximum installed kilowatts. (Default: 0).
dollars_per_kw: A number for installation cost in US dollars. (Default: 1600).
Properties:
* max_kw
* dollars_per_kw
* max_kw_ground
* dollars_per_kw_ground
"""
def __init__(self, max_kw=0, dollars_per_kw=1600,
max_kw_ground=0, dollars_per_kw_ground=2200):
_SourceParameter.__init__(self, max_kw, dollars_per_kw)
self.max_kw_ground = max_kw_ground
self.dollars_per_kw_ground = dollars_per_kw_ground
@property
def max_kw_ground(self):
"""Get or set a number for the maximum installed kilowatts of Ground PV."""
return self._max_kw_ground
@max_kw_ground.setter
def max_kw_ground(self, value):
self._max_kw_ground = float_positive(value, input_name='reopt max kw')
@property
def dollars_per_kw_ground(self):
"""Get or set a number for the installation cost of ground PV in US dollars."""
return self._dollars_per_kw_ground
@dollars_per_kw_ground.setter
def dollars_per_kw_ground(self, value):
self._dollars_per_kw_ground = \
float_positive(value, input_name='reopt dollars per kw')
[docs] def apply_to_dict(self, base_dict):
"""Apply this object's properties to an object of REopt schema."""
if isinstance(base_dict, dict):
base_dict['max_kw'] = self.max_kw
base_dict['installed_cost_us_dollars_per_kw'] = self.dollars_per_kw
else:
base_dict[0]['max_kw'] = self.max_kw
base_dict[0]['installed_cost_us_dollars_per_kw'] = self.dollars_per_kw
base_dict[1]['max_kw'] = self.max_kw_ground
base_dict[1]['installed_cost_us_dollars_per_kw'] = self.dollars_per_kw_ground
def __copy__(self):
return PVParameter(self.max_kw, self.dollars_per_kw,
self.max_kw_ground, self.dollars_per_kw_ground)
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __repr__(self):
return 'REopt PVParameter: {} kW'.format(self.max_kw)
[docs]class StorageParameter(_SourceParameter):
"""Electrical storage settings for REopt.
Args:
max_kw: A number for the maximum installed kilowatts. (Default: 0).
dollars_per_kw: A number for installation cost in US dollars. (Default: 840).
Properties:
* max_kw
* dollars_per_kw
"""
def __init__(self, max_kw=0, dollars_per_kw=840):
_SourceParameter.__init__(self, max_kw, dollars_per_kw)
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __repr__(self):
return 'REopt StorageParameter: {} kW'.format(self.max_kw)
[docs]class GeneratorParameter(_SourceParameter):
"""Generator settings for REopt.
Args:
max_kw: A number for the maximum installed kilowatts. (Default: 0).
dollars_per_kw: A number for installation cost in US dollars. (Default: 500).
Properties:
* max_kw
* dollars_per_kw
"""
def __init__(self, max_kw=0, dollars_per_kw=500):
_SourceParameter.__init__(self, max_kw, dollars_per_kw)
[docs] def ToString(self):
"""Overwrite .NET ToString."""
return self.__repr__()
def __repr__(self):
return 'REopt GeneratorParameter: {} kW'.format(self.max_kw)
[docs]class GroundMountPV(object):
"""Represents a ground-mounted photovoltaic system in REopt.
Args:
identifier: Text string for a unique Photovoltaic ID. Must contain only
characters that are acceptable in REopt. This will be used to
identify the object across the exported geoJSON and REopt files.
geometry: A Polygon2D representing the geometry of the PV field.
building_identifier: An optional identifier of a dragonfly Building with
which the photovoltaic system is associated. If None, the PV system
will be assumed to be a community PV field that isn't associated with
a particular building meter. (Default: None).
Properties:
* identifier
* display_name
* geometry
* building_identifier
"""
__slots__ = ('_identifier', '_display_name', '_geometry', '_building_identifier')
def __init__(self, identifier, geometry, building_identifier=None):
"""Initialize GroundMountPV."""
self.identifier = identifier
self._display_name = None
assert isinstance(geometry, Polygon2D), 'Expected ladybug_geometry ' \
'Polygon2D for GroundMountPV geometry. Got {}'.format(type(geometry))
self._geometry = geometry
self.building_identifier = building_identifier
[docs] @classmethod
def from_dict(cls, data):
"""Initialize an GroundMountPV from a dictionary.
Args:
data: A dictionary representation of an GroundMountPV object.
"""
# check the type of dictionary
assert data['type'] == 'GroundMountPV', 'Expected GroundMountPV ' \
'dictionary. Got {}.'.format(data['type'])
geo = Polygon2D.from_dict(data['geometry'])
pv_obj = cls(data['identifier'], geo)
if 'display_name' in data and data['display_name'] is not None:
pv_obj.display_name = data['display_name']
if 'building_identifier' in data and data['building_identifier'] is not None:
pv_obj.building_identifier = data['building_identifier']
return pv_obj
@property
def identifier(self):
"""Get or set the text string for unique object identifier."""
return self._identifier
@identifier.setter
def identifier(self, identifier):
self._identifier = valid_ep_string(identifier, 'identifier')
@property
def display_name(self):
"""Get or set a string for the object name without any character restrictions.
If not set, this will be equal to the identifier.
"""
if self._display_name is None:
return self._identifier
return self._display_name
@display_name.setter
def display_name(self, value):
try:
self._display_name = str(value)
except UnicodeEncodeError: # Python 2 machine lacking the character set
self._display_name = value # keep it as unicode
@property
def building_identifier(self):
"""Get or set the text string for a Building associated with the PV field."""
return self._building_identifier
@building_identifier.setter
def building_identifier(self, identifier):
if identifier is not None:
identifier = valid_string(identifier, 'building identifier')
self._building_identifier = identifier
@property
def geometry(self):
"""Get a Polygon2D representing the photovoltaic field."""
return self._geometry
[docs] def move(self, moving_vec):
"""Move this object along a vector.
Args:
moving_vec: A ladybug_geometry Vector3D with the direction and distance
to move the object.
"""
self._geometry = self._geometry.move(Vector2D(moving_vec.x, moving_vec.y))
[docs] def rotate_xy(self, angle, origin):
"""Rotate this object counterclockwise in the XY plane by a certain angle.
Args:
angle: An angle in degrees.
origin: A ladybug_geometry Point3D for the origin around which the
object will be rotated.
"""
self._geometry = self._geometry.rotate(
math.radians(angle), Point2D(origin.x, origin.y))
[docs] def reflect(self, plane):
"""Reflect this object across a plane.
Args:
plane: A ladybug_geometry Plane across which the object will be reflected.
"""
assert plane.n.z == 0, \
'Plane normal must be in XY plane to use it on dragonfly object reflect.'
norm = Vector2D(plane.n.x, plane.n.y)
origin = Point2D(plane.o.x, plane.o.y)
self._geometry = self._geometry.reflect(norm, origin)
[docs] def scale(self, factor, origin=None):
"""Scale this object by a factor from an origin point.
Args:
factor: A number representing how much the object should be scaled.
origin: A ladybug_geometry Point3D representing the origin from which
to scale. If None, it will be scaled from the World origin (0, 0, 0).
"""
ori = Point2D(origin.x, origin.y) if origin is not None else None
self._geometry = self._geometry.scale(factor, ori)
[docs] def to_dict(self):
"""GroundMountPV dictionary representation."""
base = {'type': 'GroundMountPV'}
base['identifier'] = self.identifier
base['geometry'] = self.geometry.to_dict()
if self._display_name is not None:
base['display_name'] = self.display_name
if self._building_identifier is not None:
base['building_identifier'] = self.building_identifier
return base
[docs] def to_geojson_dict(self, location, point):
"""Get GroundMountPV dictionary as it appears in an URBANopt geoJSON.
Args:
location: A ladybug Location object possessing longitude and latitude data.
point: A ladybug_geometry Point2D for where the location object exists
within the space of a scene. The coordinates of this point are
expected to be in the units of this Model. (Default: (0, 0)).
"""
# get the conversion factors over to (longitude, latitude)
origin_lon_lat = origin_long_lat_from_location(location, point)
convert_facs = meters_to_long_lat_factors(origin_lon_lat)
# create the GeoJSON dictionary
pts = [(pt.x, pt.y) for pt in self.geometry.vertices]
coords = [polygon_to_lon_lat(pts, origin_lon_lat, convert_facs)]
base = {
'type': 'Feature',
'properties': {
'id': self.identifier,
'geometryType': 'Rectangle',
'name': self.display_name,
'type': 'District System',
'footprint_area': self.geometry.area,
'footprint_perimeter': self.geometry.perimeter
},
'geometry': {
'type': 'Polygon',
'coordinates': coords
}
}
if self.building_identifier is None:
base['properties']['district_system_type'] = 'Community Photovoltaic'
else:
base['properties']['district_system_type'] = 'Ground Mount Photovoltaic'
base['properties']['associated_building_id'] = self.building_identifier
return base
[docs] def duplicate(self):
"""Get a copy of this object."""
return self.__copy__()
def __copy__(self):
new_obj = GroundMountPV(self.identifier, self.geometry, self.building_identifier)
new_obj._display_name = self._display_name
return new_obj
[docs] def ToString(self):
return self.__repr__()
def __repr__(self):
return 'GroundMountPV: {}'.format(self.display_name)