Ejemplo n.º 1
0
def test_lighting_setability():
    """Test the setting of properties of Lighting."""
    simple_office = ScheduleDay(
        'Simple Weekday Light', [0, 1, 0],
        [Time(0, 0), Time(9, 0), Time(17, 0)])
    schedule = ScheduleRuleset('Office Lighting', simple_office, None,
                               schedule_types.fractional)
    constant = ScheduleRuleset.from_constant_value('Constant Light', 1,
                                                   schedule_types.fractional)
    lighting = Lighting('Open Office Zone Lighting', 10, schedule)

    lighting.identifier = 'Office Zone Lighting'
    assert lighting.identifier == 'Office Zone Lighting'
    lighting.watts_per_area = 6
    assert lighting.watts_per_area == 6
    lighting.schedule = constant
    assert lighting.schedule == constant
    assert lighting.schedule.values() == [1] * 8760
    lighting.return_air_fraction = 0.1
    assert lighting.return_air_fraction == 0.1
    lighting.radiant_fraction = 0.4
    assert lighting.radiant_fraction == 0.4
    lighting.visible_fraction = 0.2
    assert lighting.visible_fraction == 0.2
    lighting.baseline_watts_per_area = 5.0
    assert lighting.baseline_watts_per_area == 5.0
except ImportError as e:
    raise ImportError('\nFailed to import honeybee_energy:\n\t{}'.format(e))

try:
    from ladybug_rhino.grasshopper import all_required_inputs
except ImportError as e:
    raise ImportError('\nFailed to import ladybug_rhino:\n\t{}'.format(e))


if all_required_inputs(ghenv.Component):
    # make a default Lighting name if none is provided
    name = clean_and_id_ep_string('Lighting') if _name_ is None else \
        clean_ep_string(_name_)

    # get the schedule
    if isinstance(_schedule, str):
        _schedule = schedule_by_identifier(_schedule)

    # get default radiant, visible, and return fractions
    return_fract_ = return_fract_ if return_fract_ is not None else 0.0
    _radiant_fract_ = _radiant_fract_ if _radiant_fract_ is not None else 0.32
    _visible_fract_ = _visible_fract_ if _visible_fract_ is not None else 0.25

    # create the Lighting object
    lighting = Lighting(name, _watts_per_area, _schedule,
                        return_fract_, _radiant_fract_, _visible_fract_)
    if _name_ is not None:
        lighting.display_name = _name_
    if baseline_ is not None:
        lighting.baseline_watts_per_area = baseline_
Ejemplo n.º 3
0
def from_standards_dict(cls, data):
    """Create a ProgramType from an OpenStudio standards gem dictionary.

    Args:
        data: An OpenStudio standards dictionary of a space type in the
            format below.

    .. code-block:: python

        {
        "template": "90.1-2013",
        "building_type": "Office",
        "space_type": "MediumOffice - OpenOffice",
        "lighting_standard": "ASHRAE 90.1-2013",
        "lighting_per_area": 0.98,
        "lighting_per_person": None,
        "additional_lighting_per_area": None,
        "lighting_fraction_to_return_air": 0.0,
        "lighting_fraction_radiant": 0.7,
        "lighting_fraction_visible": 0.2,
        "lighting_schedule": "OfficeMedium BLDG_LIGHT_SCH_2013",
        "ventilation_standard": "ASHRAE 62.1-2007",
        "ventilation_primary_space_type": "Office Buildings",
        "ventilation_secondary_space_type": "Office space",
        "ventilation_per_area": 0.06,
        "ventilation_per_person": 5.0,
        "ventilation_air_changes": None,
        "minimum_total_air_changes": None,
        "occupancy_per_area": 5.25,
        "occupancy_schedule": "OfficeMedium BLDG_OCC_SCH",
        "occupancy_activity_schedule": "OfficeMedium ACTIVITY_SCH",
        "infiltration_per_exterior_area": 0.0446,
        "infiltration_schedule": "OfficeMedium INFIL_SCH_PNNL",
        "gas_equipment_per_area": None,
        "gas_equipment_fraction_latent": None,
        "gas_equipment_fraction_radiant": None,
        "gas_equipment_fraction_lost": None,
        "gas_equipment_schedule": None,
        "electric_equipment_per_area": 0.96,
        "electric_equipment_fraction_latent": 0.0,
        "electric_equipment_fraction_radiant": 0.5,
        "electric_equipment_fraction_lost": 0.0,
        "electric_equipment_schedule": "OfficeMedium BLDG_EQUIP_SCH_2013",
        "heating_setpoint_schedule": "OfficeMedium HTGSETP_SCH_YES_OPTIMUM",
        "cooling_setpoint_schedule": "OfficeMedium CLGSETP_SCH_YES_OPTIMUM"
        }
    """
    pr_type_identifier = data['space_type']
    people = None
    lighting = None
    electric_equipment = None
    gas_equipment = None
    hot_water = None
    infiltration = None
    ventilation = None
    setpoint = None

    if 'occupancy_schedule' in data and data['occupancy_schedule'] is not None and \
            'occupancy_per_area' in data and data['occupancy_per_area'] != 0:
        occ_sched = sch_lib.schedule_by_identifier(data['occupancy_schedule'])
        act_sched = sch_lib.schedule_by_identifier(
            data['occupancy_activity_schedule'])
        occ_density = data['occupancy_per_area'] / 92.903
        people = People('{}_People'.format(pr_type_identifier), occ_density,
                        occ_sched, act_sched)

    if 'lighting_schedule' in data and data['lighting_schedule'] is not None:
        light_sched = sch_lib.schedule_by_identifier(data['lighting_schedule'])
        try:
            lpd = data['lighting_per_area'] * 10.7639
        except (TypeError, KeyError):
            lpd = 0  # there's a schedule but no actual load object
        try:
            raf = data['lighting_fraction_to_return_air']
        except KeyError:
            raf = 0
        try:
            lfr = data['lighting_fraction_radiant']
        except KeyError:
            lfr = 0.32
        try:
            lfv = data['lighting_fraction_visible']
        except KeyError:
            lfv = 0.25
        lighting = Lighting('{}_Lighting'.format(pr_type_identifier), lpd,
                            light_sched, raf, lfr, lfv)
        lighting.baseline_watts_per_area = lpd

    if 'electric_equipment_schedule' in data and \
            data['electric_equipment_schedule'] is not None:
        eequip_sched = sch_lib.schedule_by_identifier(
            data['electric_equipment_schedule'])
        try:
            eepd = data['electric_equipment_per_area'] * 10.7639
        except KeyError:
            eepd = 0  # there's a schedule but no actual load object
        electric_equipment = ElectricEquipment(
            '{}_Electric'.format(pr_type_identifier), eepd, eequip_sched,
            data['electric_equipment_fraction_radiant'],
            data['electric_equipment_fraction_latent'],
            data['electric_equipment_fraction_lost'])

    if 'gas_equipment_schedule' in data and \
            data['gas_equipment_schedule'] is not None:
        gequip_sched = sch_lib.schedule_by_identifier(
            data['gas_equipment_schedule'])
        try:
            gepd = data['gas_equipment_per_area'] * 3.15459
        except (TypeError, KeyError):
            gepd = 0  # there's a schedule but no actual load object
        gas_equipment = GasEquipment('{}_Gas'.format(pr_type_identifier), gepd,
                                     gequip_sched,
                                     data['gas_equipment_fraction_radiant'],
                                     data['gas_equipment_fraction_latent'],
                                     data['gas_equipment_fraction_lost'])

    if 'service_water_heating_schedule' in data and \
            data['service_water_heating_schedule'] is not None:
        shw_sch = sch_lib.schedule_by_identifier(
            data['service_water_heating_schedule'])
        try:
            shw_load = data[
                'service_water_heating_peak_flow_per_area'] * 40.7458
        except (TypeError, KeyError):
            shw_load = 0  # there's a schedule but no actual load object
        try:
            shw_temp = round(
                (data['service_water_heating_target_temperature'] - 32.) * 5. /
                9.)
        except (TypeError, KeyError):
            shw_temp = 60
        try:
            fs = data['service_water_heating_fraction_sensible']
        except (TypeError, KeyError):
            fs = 0.2
        try:
            fl = data['service_water_heating_fraction_latent']
        except (TypeError, KeyError):
            fl = 0.05
        hot_water = ServiceHotWater('{}_SHW'.format(pr_type_identifier),
                                    shw_load, shw_sch, shw_temp, fs, fl)

    if 'infiltration_schedule' in data and \
            data['infiltration_schedule'] is not None:
        inf_sched = sch_lib.schedule_by_identifier(
            data['infiltration_schedule'])
        try:
            inf = data['infiltration_per_exterior_area'] * 0.00508
        except KeyError:  # might be using infiltration_per_exterior_wall_area
            try:
                inf = data['infiltration_per_exterior_wall_area'] * 0.00508
            except KeyError:
                inf = 0  # there's a schedule but no actual load object
        infiltration = Infiltration(
            '{}_Infiltration'.format(pr_type_identifier), inf, inf_sched)

    if 'ventilation_standard' in data and \
            data['ventilation_standard'] is not None:
        person = data['ventilation_per_person'] * 0.000471947 if \
            'ventilation_per_person' in data and \
            data['ventilation_per_person'] is not None else 0
        area = data['ventilation_per_area'] * 0.00508 if \
            'ventilation_per_area' in data and \
            data['ventilation_per_area'] is not None else 0
        ach = data['ventilation_air_changes'] if \
            'ventilation_air_changes' in data and \
            data['ventilation_air_changes'] is not None else 0
        ventilation = Ventilation('{}_Ventilation'.format(pr_type_identifier),
                                  person, area, 0, ach)

    if 'heating_setpoint_schedule' in data and \
            data['heating_setpoint_schedule'] is not None:
        heat_sched = sch_lib.schedule_by_identifier(
            data['heating_setpoint_schedule'])
        cool_sched = sch_lib.schedule_by_identifier(
            data['cooling_setpoint_schedule'])
        setpoint = Setpoint('{}_Setpoint'.format(pr_type_identifier),
                            heat_sched, cool_sched)

    return cls(data['space_type'], people, lighting, electric_equipment,
               gas_equipment, hot_water, infiltration, ventilation, setpoint)