116 lines
4.5 KiB
Python
116 lines
4.5 KiB
Python
"""
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TestOccupancyFactory test and validate the city model structure occupancy 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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import os
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import esoreader
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from pathlib import Path
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class IdfHelper:
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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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idf_surfaces = {
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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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def __init__(self, idf_file_path, idd_file_path, epw_file_path):
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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.epw = self._epw_file_path
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def add_heating_system(self, building):
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for usage_zone in building.usage_zones:
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thermostat_name = f'Thermostat {building.name}'
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# todo: this will fail for more than one usage zone
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static_thermostat = 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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)
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for zone in self._idf.idfobjects['ZONE']:
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if zone.Name.find(building.name) != -1:
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self._idf.newidfobject(self._IDEAL_LOAD_AIR_SYSTEM,
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Zone_Name=zone.Name,
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Template_Thermostat_Name=static_thermostat.Name,)
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@staticmethod
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def _matrix_to_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], point[2])
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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_block(self, building):
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_points = IdfHelper._matrix_to_2d_list(building.foot_print.points)
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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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self.add_heating_system(building)
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self._idf.intersect_match()
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def add_surfaces(self, building):
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self.add_block(building)
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for zone in self._idf.idfobjects['ZONE']:
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if zone.Name.find(building.name) != -1:
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for surface in building.surfaces:
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idf_surface = self.idf_surfaces[surface.type]
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wall = self._idf.newidfobject(self._SURFACE, Name=surface.name, Surface_Type=idf_surface, Zone_Name=zone.Name)
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coordinates = IdfHelper._matrix_to_list(surface.points)
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if surface.area <= 0:
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print(surface.area)
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wall.setcoords(coordinates)
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def run(self, output_directory, window_ratio=0.35, display_render=False, output_prefix=None, keep_file=None):
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self._idf.set_default_constructions()
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self._idf.set_wwr(window_ratio, construction="Project External Window")
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self._idf.translate_to_origin()
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if display_render:
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self._idf.view_model()
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# Run
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self._idf.newidfobject("OUTPUT:METER", Key_Name="Heating:DistrictHeating", Reporting_Frequency="hourly")
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self._idf.newidfobject("OUTPUT:METER", Key_Name="Cooling:DistrictCooling", Reporting_Frequency="hourly")
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idf_path = None
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if keep_file is not None:
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idf_path = (keep_file / 'in.idf').resolve()
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self._idf.saveas(str(idf_path))
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if idf_path is None:
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idf_path = (Path(__file__).parent / 'in.idf').resolve()
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# There is a bug in the IDF class, when called, it return an error, as a work around we call call energy+ directly
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run_command = f"energyplus --weather {self._epw_file_path} --output-directory {output_directory} --idd " \
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f"{self._idd_file_path} --expandobjects --output-prefix {output_prefix} {idf_path}"
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os.system(run_command)
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if keep_file is None:
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os.remove(idf_path)
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return
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@staticmethod
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def read_eso(eso_file_path):
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dd, data = esoreader.read(eso_file_path)
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list_values = [v for v in data.values()]
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heating = [(float(x)) / 3600000.0 for x in list_values[0]]
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cooling = [(float(x)) / 3600000.0 for x in list_values[1]]
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return heating, cooling
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