347 lines
14 KiB
Python
347 lines
14 KiB
Python
"""
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TestOccupancyFactory test and validate the city model structure schedules parameters
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2020 Project Author Soroush Samareh Abolhassani - soroush.samarehabolhassani@mail.concordia.ca
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"""
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from geomeppy import IDF
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class Idf:
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"""
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Export city to IDF
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"""
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_THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
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_IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
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_SURFACE = 'BUILDINGSURFACE:DETAILED'
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_CONSTRUCTION = 'CONSTRUCTION'
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_MATERIAL = 'MATERIAL'
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_MATERIAL_NOMASS = 'MATERIAL:NOMASS'
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_ROUGHNESS = 'MediumRough'
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_HOURLY_SCHEDULE = 'SCHEDULE:DAY:HOURLY'
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_COMPACT_SCHEDULE = 'SCHEDULE:COMPACT'
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_ZONE = 'ZONE'
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_LIGHTS = 'LIGHTS'
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_PEOPLE = 'PEOPLE'
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_ELECTRIC_EQUIPMENT = 'ELECTRICEQUIPMENT'
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_INFILTRATION = 'ZONEINFILTRATION:DESIGNFLOWRATE'
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_BUILDING_SURFACE = 'BuildingSurfaceDetailed'
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_SCHEDULE_LIMIT = 'SCHEDULETYPELIMITS'
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_ON_OFF = 'On/Off'
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_FRACTION = 'Fraction'
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_ANY_NUMBER = 'Any Number'
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_CONTINUOUS = 'Continuous'
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_DISCRETE = 'Discrete'
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idf_surfaces = {
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# todo: make an enum for all the surface types
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'Wall': 'wall',
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'Ground': 'floor',
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'Roof': 'roof'
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}
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idf_usage = {
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# todo: make an enum for all the usage types
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'residential': 'residential_building'
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}
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idf_type_limits = {
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'on_off': 'on/off',
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'fraction': 'Fraction',
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'any_number': 'Any Number',
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'continuous': 'Continuous',
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'discrete': 'Discrete'
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}
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def __init__(self, city, output_path, idf_file_path, idd_file_path, epw_file_path, export_type="Surfaces"):
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self._city = city
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self._output_path = str(output_path.resolve())
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self._output_file = str((output_path / f'{city.name}.idf').resolve())
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self._export_type = export_type
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self._idd_file_path = str(idd_file_path)
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self._idf_file_path = str(idf_file_path)
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self._epw_file_path = str(epw_file_path)
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IDF.setiddname(self._idd_file_path)
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self._idf = IDF(self._idf_file_path, self._epw_file_path)
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self._idf.newidfobject(self._SCHEDULE_LIMIT, Name=self._ANY_NUMBER)
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self._idf.newidfobject(self._SCHEDULE_LIMIT, Name=self._FRACTION, Lower_Limit_Value=0.0, Upper_Limit_Value=1.0,
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Numeric_Type=self._CONTINUOUS)
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self._idf.newidfobject(self._SCHEDULE_LIMIT, Name=self._ON_OFF, Lower_Limit_Value=0, Upper_Limit_Value=1,
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Numeric_Type=self._DISCRETE)
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self._export()
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@staticmethod
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def _matrix_to_list(points, lower_corner):
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lower_x = lower_corner[0]
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lower_y = lower_corner[1]
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lower_z = lower_corner[2]
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points_list = []
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for point in points:
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point_tuple = (point[0]-lower_x, point[1]-lower_y, point[2]-lower_z)
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points_list.append(point_tuple)
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return points_list
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@staticmethod
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def _matrix_to_2d_list(points):
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points_list = []
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for point in points:
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point_tuple = (point[0], point[1])
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points_list.append(point_tuple)
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return points_list
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def _add_material(self, layer):
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for material in self._idf.idfobjects[self._MATERIAL]:
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if material.Name == layer.material.name:
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return
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for material in self._idf.idfobjects[self._MATERIAL_NOMASS]:
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if material.Name == layer.material.name:
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return
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if layer.material.no_mass:
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self._idf.newidfobject(self._MATERIAL_NOMASS,
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Name=layer.material.name,
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Roughness=self._ROUGHNESS,
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Thermal_Resistance=layer.material.thermal_resistance,
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Thermal_Absorptance=layer.material.thermal_absorptance,
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Solar_Absorptance=layer.material.solar_absorptance,
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Visible_Absorptance=layer.material.visible_absorptance
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)
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else:
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self._idf.newidfobject(self._MATERIAL,
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Name=layer.material.name,
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Roughness=self._ROUGHNESS,
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Thickness=layer.thickness,
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Conductivity=layer.material.conductivity,
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Density=layer.material.density,
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Specific_Heat=layer.material.specific_heat,
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Thermal_Absorptance=layer.material.thermal_absorptance,
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Solar_Absorptance=layer.material.solar_absorptance,
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Visible_Absorptance=layer.material.visible_absorptance
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)
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def _add_daily_schedule(self, usage_zone, schedule):
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_schedule = self._idf.newidfobject(self._COMPACT_SCHEDULE, Name=f'{schedule.type} schedules {usage_zone.usage}')
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_val = schedule.values
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_schedule.Schedule_Type_Limits_Name = self.idf_type_limits[schedule.data_type.lower()]
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_schedule.Field_1 = "Through: 12/31"
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_schedule.Field_2 = "For: AllDays"
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_schedule.Field_3 = "Until: 01:00"
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_schedule.Field_4 = _val[0]
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_schedule.Field_5 = "Until: 02:00"
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_schedule.Field_6 = _val[1]
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_schedule.Field_7 = "Until: 03:00"
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_schedule.Field_8 = _val[2]
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_schedule.Field_9 = "Until: 04:00"
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_schedule.Field_10 = _val[3]
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_schedule.Field_11 = "Until: 05:00"
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_schedule.Field_12 = _val[4]
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_schedule.Field_13 = "Until: 06:00"
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_schedule.Field_14 = _val[5]
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_schedule.Field_15 = "Until: 07:00"
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_schedule.Field_16 = _val[6]
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_schedule.Field_17 = "Until: 08:00"
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_schedule.Field_18 = _val[7]
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_schedule.Field_19 = "Until: 09:00"
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_schedule.Field_20 = _val[8]
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_schedule.Field_21 = "Until: 10:00"
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_schedule.Field_22 = _val[9]
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_schedule.Field_23 = "Until: 11:00"
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_schedule.Field_24 = _val[10]
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_schedule.Field_25 = "Until: 12:00"
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_schedule.Field_26 = _val[11]
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_schedule.Field_27 = "Until: 13:00"
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_schedule.Field_28 = _val[12]
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_schedule.Field_29 = "Until: 14:00"
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_schedule.Field_30 = _val[13]
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_schedule.Field_31 = "Until: 15:00"
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_schedule.Field_32 = _val[14]
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_schedule.Field_33 = "Until: 16:00"
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_schedule.Field_34 = _val[15]
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_schedule.Field_35 = "Until: 17:00"
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_schedule.Field_36 = _val[16]
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_schedule.Field_37 = "Until: 18:00"
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_schedule.Field_38 = _val[17]
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_schedule.Field_39 = "Until: 19:00"
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_schedule.Field_40 = _val[18]
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_schedule.Field_41 = "Until: 20:00"
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_schedule.Field_42 = _val[19]
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_schedule.Field_43 = "Until: 21:00"
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_schedule.Field_44 = _val[20]
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_schedule.Field_45 = "Until: 22:00"
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_schedule.Field_46 = _val[21]
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_schedule.Field_47 = "Until: 23:00"
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_schedule.Field_48 = _val[22]
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_schedule.Field_49 = "Until: 24:00"
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_schedule.Field_50 = _val[23]
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def _add_schedule(self, usage_zone, schedule_type):
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for schedule in self._idf.idfobjects[self._HOURLY_SCHEDULE]:
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if schedule.Name == f'{schedule_type} schedules {usage_zone.usage}':
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return
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for schedule in usage_zone.schedules:
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if schedule.type == schedule_type:
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if schedule.time_range == "day":
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return self._add_daily_schedule(usage_zone, schedule)
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return
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def _add_construction(self, thermal_boundary):
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for construction in self._idf.idfobjects[self._CONSTRUCTION]:
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if construction.Name == thermal_boundary.construction_name:
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return
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if thermal_boundary.layers is None:
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for material in self._idf.idfobjects[self._MATERIAL]:
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if material.Name == "DefaultMaterial":
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return
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self._idf.set_default_constructions()
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return
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for layer in thermal_boundary.layers:
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self._add_material(layer)
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layers = thermal_boundary.layers
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# The constructions should have at least one layer
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_kwargs = {"Name": thermal_boundary.construction_name, "Outside_Layer": layers[0].material.name}
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for i in range(1, len(layers) - 1):
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_kwargs[f'Layer_{i + 1}'] = layers[1].material.name
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self._idf.newidfobject(self._CONSTRUCTION, **_kwargs)
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def _add_zone(self, usage_zone):
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for zone in self._idf.idfobjects['ZONE']:
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if zone.Name == usage_zone.id:
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return
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# todo: what does we need to define a zone in energy plus?
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self._idf.newidfobject(self._ZONE, Name=usage_zone.id, Volume=usage_zone.volume)
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self._add_heating_system(usage_zone)
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def _add_thermostat(self, usage_zone):
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thermostat_name = f'Thermostat {usage_zone.usage}'
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for thermostat in self._idf.idfobjects[self._THERMOSTAT]:
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if thermostat.Name == thermostat_name:
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return thermostat
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return self._idf.newidfobject(self._THERMOSTAT,
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Name=thermostat_name,
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Constant_Heating_Setpoint=usage_zone.heating_setpoint,
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Constant_Cooling_Setpoint=usage_zone.cooling_setpoint)
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def _add_heating_system(self, usage_zone):
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for air_system in self._idf.idfobjects[self._IDEAL_LOAD_AIR_SYSTEM]:
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if air_system.Zone_Name == usage_zone.id:
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return
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thermostat = self._add_thermostat(usage_zone)
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self._idf.newidfobject(self._IDEAL_LOAD_AIR_SYSTEM,
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Zone_Name=usage_zone.id,
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System_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {usage_zone.usage}',
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Heating_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {usage_zone.usage}',
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Cooling_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {usage_zone.usage}',
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Template_Thermostat_Name=thermostat.Name)
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def _add_occupancy(self, usage_zone):
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self._idf.newidfobject(self._PEOPLE,
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Name=f'{usage_zone.id}_occupancy',
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Zone_or_ZoneList_Name=usage_zone.id,
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Number_of_People_Schedule_Name=f'Occupancy schedules {usage_zone.usage}',
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Number_of_People_Calculation_Method="People",
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Number_of_People=500, # todo: get people from where?
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Fraction_Radiant=0.3, # todo: howto get this from InternalGains
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Activity_Level_Schedule_Name=f'Occupancy schedules {usage_zone.usage}'
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)
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def _add_equipment(self, usage_zone):
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self._idf.newidfobject(self._ELECTRIC_EQUIPMENT,
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Name=f'{usage_zone.id}_electricload',
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Zone_or_ZoneList_Name=usage_zone.id,
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Schedule_Name=f'Electrical schedules {usage_zone.usage}', # todo: add electrical schedules
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Design_Level_Calculation_Method='EquipmentLevel',
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Design_Level=566000 # todo: change it from usage catalog
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)
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def _add_infiltration(self, usage_zone):
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for zone in self._idf.idfobjects["ZONE"]:
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if zone.Name == f'{usage_zone.id}_infiltration':
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return
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self._idf.newidfobject(self._INFILTRATION,
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Name=f'{usage_zone.id}_infiltration',
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Zone_or_ZoneList_Name=usage_zone.id,
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Schedule_Name=f'Infiltration schedules {usage_zone.usage}',
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Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
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Air_Changes_per_Hour=0.35, # todo: change it from usage catalog
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Constant_Term_Coefficient=0.606, # todo: change it from usage catalog
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Temperature_Term_Coefficient=3.6359996E-02, # todo: change it from usage catalog
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Velocity_Term_Coefficient=0.1177165, # todo: change it from usage catalog
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Velocity_Squared_Term_Coefficient=0.0000000E+00 # todo: change it from usage catalog
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)
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def _export(self):
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"""
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Export the idf file into the given path
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export type = "Surfaces|Block"
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"""
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for building in self._city.buildings:
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for usage_zone in building.usage_zones:
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self._add_schedule(usage_zone, "Infiltration")
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self._add_schedule(usage_zone, "Lights")
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self._add_schedule(usage_zone, "Occupancy")
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self._add_schedule(usage_zone, "Refrigeration")
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self._add_schedule(usage_zone, "HVAC Avail")
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self._add_zone(usage_zone)
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self._add_heating_system(usage_zone)
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self._add_infiltration(usage_zone)
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self._add_occupancy(usage_zone)
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for thermal_zone in building.thermal_zones:
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for thermal_boundary in thermal_zone.thermal_boundaries:
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self._add_construction(thermal_boundary)
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if self._export_type == "Surfaces":
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self._add_surfaces(building)
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else:
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self._add_block(building)
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self._idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Heating Energy",
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Reporting_Frequency="Hourly",
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)
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self._idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Cooling Energy",
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Reporting_Frequency="Hourly",
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)
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self._idf.match()
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self._idf.intersect_match()
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self._idf.saveas(str(self._output_file))
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return self._idf
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def run(self):
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"""
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Start the energy plus simulation
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"""
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self._idf.run(expandobjects=True, readvars=True, output_directory=self._output_path,
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output_prefix=f'{self._city.name}_')
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def _add_block(self, building):
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_points = self._matrix_to_2d_list(building.foot_print.coordinates)
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self._idf.add_block(name=building.name, coordinates=_points, height=building.max_height,
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num_stories=int(building.storeys_above_ground))
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for surface in self._idf.idfobjects[self._SURFACE]:
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for thermal_zone in building.thermal_zones:
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for boundary in thermal_zone.thermal_boundaries:
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if surface.Type == self.idf_surfaces[boundary.surface.type]:
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surface.Construction_Name = boundary.construction_name
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break
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for usage_zone in thermal_zone.usage_zones:
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surface.Zone_Name = usage_zone.id
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break
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break
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self._idf.intersect_match()
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def _add_surfaces(self, building):
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for thermal_zone in building.thermal_zones:
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for boundary in thermal_zone.thermal_boundaries:
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idf_surface_type = self.idf_surfaces[boundary.surface.type]
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for usage_zone in thermal_zone.usage_zones:
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surface = self._idf.newidfobject(self._SURFACE, Name=f'{boundary.surface.name}',
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Surface_Type=idf_surface_type, Zone_Name=usage_zone.id,
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Construction_Name=boundary.construction_name)
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coordinates = self._matrix_to_list(boundary.surface.solid_polygon.coordinates, self._city.lower_corner)
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surface.setcoords(coordinates)
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