395 lines
16 KiB
Python
395 lines
16 KiB
Python
import json
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from flask import request, Response
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from flask_restful import Resource
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from pathlib import Path
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from geomeppy import IDF
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import os
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import glob
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from hub_api.helpers.session_helper import refresh_session
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import hub_api.helpers.session_helper as sh
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import helpers.constants as cte
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import csv
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class EnergyDemand(Resource):
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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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_WINDOW_SURFACE = 'FENESTRATIONSURFACE: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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_FILE_SCHEDULE = 'SCHEDULE:FILE'
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_ZONE = 'ZONE'
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_LIGHTS = 'LIGHTS'
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_PEOPLE = 'PEOPLE'
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_APPLIANCES = 'OTHEREQUIPMENT'
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_HEATING_COOLING = 'THERMOSTATSETPOINT:DUALSETPOINT'
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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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_BUILDING = 'BUILDING'
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_SIZING_PERIODS = 'SIZINGPERIOD:DESIGNDAY'
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_LOCATION = 'SITE:LOCATION'
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_WINDOW_MATERIAL_SIMPLE = 'WINDOWMATERIAL:SIMPLEGLAZINGSYSTEM'
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_WINDOW = 'WINDOW'
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_MATERIAL_ROOFVEGETATION = 'MATERIAL:ROOFVEGETATION'
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_SIMPLE = 'Simple'
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idf_surfaces = {
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# todo: make an enum for all the surface types
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cte.WALL: 'wall',
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cte.GROUND: 'floor',
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cte.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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cte.RESIDENTIAL: 'residential_building'
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}
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idf_type_limits = {
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cte.ON_OFF: 'on/off',
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cte.FRACTION: 'Fraction',
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cte.ANY_NUMBER: 'Any Number',
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cte.CONTINUOUS: 'Continuous',
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cte.DISCRETE: 'Discrete',
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cte.TEMPERATURE: 'Any Number'
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}
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idf_day_types = {
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cte.MONDAY: 'Monday',
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cte.TUESDAY: 'Tuesday',
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cte.WEDNESDAY: 'Wednesday',
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cte.THURSDAY: 'Thursday',
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cte.FRIDAY: 'Friday',
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cte.SATURDAY: 'Saturday',
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cte.SUNDAY: 'Sunday',
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cte.HOLIDAY: 'Holidays',
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cte.WINTER_DESIGN_DAY: 'WinterDesignDay',
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cte.SUMMER_DESIGN_DAY: 'SummerDesignDay'
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}
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idf_schedule_types = {
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'compact': 'Compact',
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cte.DAY: 'Day',
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cte.WEEK: 'Week',
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cte.YEAR: 'Year',
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'file': 'File'
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}
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idf_schedule_data_type = {
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'compact': 'Compact',
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'hourly': 'Hourly',
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'daily': 'Daily',
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'interval': 'Interval',
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'list': 'List',
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}
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def __init__(self):
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# this class is mostly hardcoded, as is intended to be used only for Dompark project,
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# other projects should use the normal idf workflow instead.
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self._output_path = Path(Path(__file__).parent.parent / 'tmp').resolve()
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self._data_path = Path(Path(__file__).parent.parent / 'data').resolve()
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self._city = None
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self._greenery_percentage = 0
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def _set_layers(self, _idf, name, layers, vegetation=None):
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if vegetation is not None:
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_kwargs = {'Name': name, 'Outside_Layer': vegetation.name}
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for i in range(0, len(layers)):
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_kwargs[f'Layer_{i + 2}'] = layers[i].material.name
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else:
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_kwargs = {'Name': name, 'Outside_Layer': layers[0].material.name}
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for i in range(1, len(layers)):
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_kwargs[f'Layer_{i + 1}'] = layers[i].material.name
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_idf.newidfobject(self._CONSTRUCTION, **_kwargs)
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def _update_constructions(self, _idf, ground, roof, wall, vegetation):
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for construction in _idf.idfobjects[self._CONSTRUCTION]:
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if construction.Name == 'Project ground floor':
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# floor
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self._set_layers(_idf, 'user_floor', ground)
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elif construction.Name == 'Dompark Roof':
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# roof
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self._set_layers(_idf, 'user_roof', roof)
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elif construction.Name == 'Dompark Roof Vegetation':
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# roof
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self._set_layers(_idf, 'user_roof_vegetation', roof, vegetation)
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elif construction.Name == 'Dompark Wall':
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# wall
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self._set_layers(_idf, 'user_wall', wall)
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else:
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continue
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for surface in _idf.idfobjects[self._SURFACE]:
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if surface.Construction_Name == 'Project ground floor':
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# floor
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surface.Construction_Name = 'user_floor'
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elif surface.Construction_Name == 'Dompark Wall':
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# wall
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surface.Construction_Name = 'user_wall'
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elif surface.Construction_Name == 'Dompark Roof' or surface.Construction_Name == 'Dompark Roof Vegetation':
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# roof
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surface.Construction_Name = 'user_roof'
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if self._greenery_percentage > 0:
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if surface.Name in sh.roofs_associated_to_percentage[str(self._greenery_percentage)]:
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surface.Construction_Name = 'user_roof_vegetation'
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else:
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continue
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for window in _idf.idfobjects[self._WINDOW_SURFACE]:
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window.Construction_Name = 'window_construction_1'
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def _add_material(self, _idf, layers):
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for layer in layers:
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for material in _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 _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 str(layer.material.no_mass) == 'True':
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_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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_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_vegetation_material(self, _idf, vegetation):
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for vegetation_material in _idf.idfobjects[self._MATERIAL_ROOFVEGETATION]:
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if vegetation_material.Name == vegetation.name:
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return
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soil = vegetation.soil
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height = 0
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leaf_area_index = 0
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leaf_reflectivity = 0
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leaf_emissivity = 0
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minimal_stomatal_resistance = 0
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for plant in vegetation.plants:
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percentage = float(plant.percentage) / 100
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height += percentage * float(plant.height)
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leaf_area_index += percentage * float(plant.leaf_area_index)
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leaf_reflectivity += percentage * float(plant.leaf_reflectivity)
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leaf_emissivity += percentage * float(plant.leaf_emissivity)
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minimal_stomatal_resistance += percentage * float(plant.minimal_stomatal_resistance)
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_idf.newidfobject(self._MATERIAL_ROOFVEGETATION,
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Name=vegetation.name,
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Height_of_Plants=height,
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Leaf_Area_Index=leaf_area_index,
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Leaf_Reflectivity=leaf_reflectivity,
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Leaf_Emissivity=leaf_emissivity,
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Minimum_Stomatal_Resistance=minimal_stomatal_resistance,
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Soil_Layer_Name=soil.name,
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Roughness=soil.roughness,
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Thickness=vegetation.soil_thickness,
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Conductivity_of_Dry_Soil=soil.dry_conductivity,
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Density_of_Dry_Soil=soil.dry_density,
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Specific_Heat_of_Dry_Soil=soil.dry_specific_heat,
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Thermal_Absorptance=soil.thermal_absorptance,
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Solar_Absorptance=soil.solar_absorptance,
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Visible_Absorptance=soil.visible_absorptance,
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Saturation_Volumetric_Moisture_Content_of_the_Soil_Layer=
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soil.saturation_volumetric_moisture_content,
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Residual_Volumetric_Moisture_Content_of_the_Soil_Layer=
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soil.residual_volumetric_moisture_content,
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Initial_Volumetric_Moisture_Content_of_the_Soil_Layer=
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soil.initial_volumetric_moisture_content,
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Moisture_Diffusion_Calculation_Method=self._SIMPLE
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)
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def _add_window_construction_and_material(self, _idf, window):
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name = 'glazing_1'
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_kwargs = {'Name': name, 'UFactor': window.overall_u_value,
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'Solar_Heat_Gain_Coefficient': window.g_value}
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_idf.newidfobject(self._WINDOW_MATERIAL_SIMPLE, **_kwargs)
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window_construction_name = 'window_construction_1'
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_kwargs = {'Name': window_construction_name, 'Outside_Layer': name}
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return _idf.newidfobject(self._CONSTRUCTION, **_kwargs)
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def _add_materials(self, _idf):
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building = self._city.buildings[0]
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ground_surface = building.grounds[0]
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roof_surface = building.roofs[0]
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wall_surface = building.walls[0]
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internal_zone = building.internal_zones[0]
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thermal_zone = internal_zone.thermal_zones[0]
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ground = None
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roof = None
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roof_vegetation = None
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wall = None
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window = None
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for thermal_boundary in thermal_zone.thermal_boundaries:
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if thermal_boundary.parent_surface.id == wall_surface.id:
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wall = thermal_boundary.layers
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if thermal_boundary.parent_surface.id == roof_surface.id:
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roof = thermal_boundary.layers
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roof_vegetation = thermal_boundary.vegetation
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if thermal_boundary.parent_surface.id == ground_surface.id:
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ground = thermal_boundary.layers
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if thermal_boundary.thermal_openings is not None and len(thermal_boundary.thermal_openings) > 0:
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window = thermal_boundary.thermal_openings[0]
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if ground is not None and roof is not None and wall is not None and window is not None:
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# we have all the needed surfaces type
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break
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self._add_material(_idf, ground)
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self._add_material(_idf, roof)
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self._add_material(_idf, wall)
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if roof_vegetation is not None:
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self._add_vegetation_material(_idf, roof_vegetation)
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self._update_constructions(_idf, ground, roof, wall, roof_vegetation)
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self._add_window_construction_and_material(_idf, window)
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def _add_standard_compact_hourly_schedule(self, _idf, schedule_name, schedules):
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_kwargs = {'Name': f'{schedule_name}',
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'Schedule_Type_Limits_Name': self.idf_type_limits[schedules[0].data_type],
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'Field_1': 'Through: 12/31'}
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for j, schedule in enumerate(schedules):
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_val = schedule.values
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_new_field = ''
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for day_type in schedule.day_types:
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_new_field += f' {self.idf_day_types[day_type]}'
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_kwargs[f'Field_{j * 25 + 2}'] = f'For:{_new_field}'
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for i in range(0, len(_val)):
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_kwargs[f'Field_{j * 25 + 3 + i}'] = f'Until: {i + 1:02d}:00,{_val[i]}'
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_idf.newidfobject(self._COMPACT_SCHEDULE, **_kwargs)
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def _add_schedules(self, _idf, thermal_zone):
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self._add_standard_compact_hourly_schedule(_idf, 'user_occupancy_schedule',
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thermal_zone.occupancy.occupancy_schedules)
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self._add_standard_compact_hourly_schedule(_idf, 'user_lighting_schedule',
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thermal_zone.lighting.schedules)
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self._add_standard_compact_hourly_schedule(_idf, 'user_appliances_schedule',
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thermal_zone.appliances.schedules)
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self._add_standard_compact_hourly_schedule(_idf, 'user_heating_schedule',
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thermal_zone.thermal_control.heating_set_point_schedules)
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self._add_standard_compact_hourly_schedule(_idf, 'user_cooling_schedule',
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thermal_zone.thermal_control.cooling_set_point_schedules)
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def _add_usage(self, _idf):
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_thermal_zone = None
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for building in self._city.buildings:
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for internal_zone in building.internal_zones:
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for thermal_zone in internal_zone.thermal_zones:
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_thermal_zone = thermal_zone
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# Dompark project share schedules and usages among all the buildings so we could add just the first one
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break
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break
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break
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self._add_schedules(_idf, _thermal_zone)
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fraction_radiant = _thermal_zone.occupancy.sensible_radiative_internal_gain / \
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(_thermal_zone.occupancy.sensible_radiative_internal_gain +
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_thermal_zone.occupancy.sensible_convective_internal_gain)
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for idf_object in _idf.idfobjects[self._PEOPLE]:
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idf_object['Number_of_People_Schedule_Name'] = 'user_occupancy_schedule'
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idf_object['People_per_Zone_Floor_Area'] = _thermal_zone.occupancy.occupancy_density
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idf_object['Fraction_Radiant'] = fraction_radiant
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for idf_object in _idf.idfobjects[self._LIGHTS]:
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idf_object['Schedule_Name'] = 'user_lighting_schedule'
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idf_object['Watts_per_Zone_Floor_Area'] = _thermal_zone.lighting.density
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for idf_object in _idf.idfobjects[self._APPLIANCES]:
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idf_object['Schedule_Name'] = 'user_appliances_schedule'
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idf_object['Power_per_Zone_Floor_Area'] = _thermal_zone.appliances.density
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for idf_object in _idf.idfobjects[self._HEATING_COOLING]:
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idf_object['Heating_Setpoint_Temperature_Schedule_Name'] = 'user_heating_schedule'
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idf_object['Cooling_Setpoint_Temperature_Schedule_Name'] = 'user_cooling_schedule'
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return
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def get(self):
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session = refresh_session(request)
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if session is None:
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return Response(json.dumps({'error': 'invalid session'}), status=401)
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headers = session.headers
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self._city = session.city
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self._greenery_percentage = round(float(session.greenery_percentage) / 10) * 10
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output_file = str((self._output_path / 'dompark.idf').resolve())
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idd_file = str((self._data_path / 'energy+.idd').resolve())
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epw_file = str((self._data_path / 'CAN_PQ_Montreal.Intl.AP.716270_CWEC.epw').resolve())
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idf_file = str((self._data_path / 'dompark.idf').resolve())
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IDF.setiddname(idd_file)
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_idf = IDF(idf_file, epw_file)
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self._add_materials(_idf)
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self._add_usage(_idf)
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_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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_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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# From EnergyPlus documentation: Lights Electric Energy [J]
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# The lighting electrical consumption including ballasts, if present. These will have the same value as Lights
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# Total Heating Energy (above).
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_idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Lights Total Heating Energy",
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Reporting_Frequency="Hourly",
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)
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_idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Other Equipment Total Heating Energy",
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Reporting_Frequency="Hourly",
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)
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_idf.match()
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_idf.saveas(str(output_file))
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_idf.run(expandobjects=True, readvars=True, output_directory=self._output_path, output_prefix='dompark_')
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# Todo: set the heating and cooling
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heating = []
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cooling = []
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lighting = []
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appliances = []
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with open((self._output_path / f'dompark_out.csv').resolve()) as f:
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reader = csv.reader(f, delimiter=',')
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for row in reader:
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if '00:00' in row[0]:
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cooling_value = 0.0
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heating_value = 0.0
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lighting_value = 0.0
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appliances_value = 0.0
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for i in range(1, 38):
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lighting_value += float(row[i])
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for i in range(38, 73):
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appliances_value += float(row[i])
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for i in range(73, 133, 2):
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heating_value += float(row[i])
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cooling_value += float(row[i + 1])
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cooling.append(cooling_value)
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heating.append(heating_value)
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lighting.append(lighting_value)
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appliances.append(appliances_value)
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files = glob.glob(f'{self._output_path}/dompark*')
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for file in files:
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os.remove(file)
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continue
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response = {'heating_demand': heating,
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'cooling_demand': cooling,
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'lighting_demand': lighting,
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'appliances_demand': appliances
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}
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return Response(json.dumps(response), headers=headers)
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