add_retrofit_input_file
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# from hub.city_model_structure.building import Building
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# from hub.city_model_structure.city import City
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# import hub.helpers.constants as cte
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# import copy
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# class RetrofitFactory:
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# def __init__(self, retrofit_type, city):
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# self._retrofit_type = retrofit_type
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# self._city = city
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# def apply_retrofit(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
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# for building in self._city.buildings:
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# self._apply_retrofit_to_building(building, wall_u_value, roof_u_value, ground_u_value)
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# def _apply_retrofit_to_building(self, building: Building, wall_u_value, roof_u_value, ground_u_value):
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# for thermal_zone in building.thermal_zones_from_internal_zones:
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# for thermal_boundary in thermal_zone.thermal_boundaries:
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# if wall_u_value is not None and thermal_boundary.type == cte.WALL and thermal_boundary.u_value > wall_u_value:
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# self._change_thermal_resistance(thermal_boundary, wall_u_value)
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# thermal_boundary.u_value = wall_u_value
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# elif roof_u_value is not None and thermal_boundary.type == cte.ROOF:
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# self._change_thermal_resistance(thermal_boundary, roof_u_value)
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# thermal_boundary.u_value = roof_u_value
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# elif ground_u_value is not None and thermal_boundary.type == cte.GROUND:
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# self._change_thermal_resistance(thermal_boundary, ground_u_value)
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# thermal_boundary.u_value = ground_u_value
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# print("thermal_boundary.u_value",thermal_boundary.u_value, thermal_boundary.type)
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# def _change_thermal_resistance(self, thermal_boundary, new_u_value):
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# old_u_value = thermal_boundary.u_value
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# new_u_value = new_u_value
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# if new_u_value < old_u_value:
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# delta_r = (1 / new_u_value) - (1 / old_u_value)
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# for layer in thermal_boundary.layers:
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# if "virtual_no_mass" in layer.material_name.lower():
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# new_thermal_resistance = layer.thermal_resistance + delta_r
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# layer.thermal_resistance = new_thermal_resistance
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# else:
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# print("New U-value:", new_u_value, "is not less than old U-value:", old_u_value, "for thermal boundary type:", thermal_boundary.type)
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# def enrich(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
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# # This method can be expanded to include different retrofit strategies
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# if self._retrofit_type == 'basic':
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# self.apply_retrofit(wall_u_value=0.247, roof_u_value=0.138, ground_u_value=0.156)
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# elif self._retrofit_type == 'advanced':
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# self.apply_retrofit(wall_u_value=0.11, roof_u_value=0.08, ground_u_value=0.1)
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# #add option for custom wall only, roof only, ground only, the user choose the values
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# elif self._retrofit_type == 'custom':
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# # Use user-defined custom values (if provided)
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# self.apply_retrofit(wall_u_value=wall_u_value, roof_u_value=roof_u_value, ground_u_value=ground_u_value)
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# else:
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# print("Invalid retrofit type:", self._retrofit_type)
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from hub.city_model_structure.building import Building
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from hub.city_model_structure.city import City
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import hub.helpers.constants as cte
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import copy
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class RetrofitFactory:
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def __init__(self, retrofit_types, city):
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def __init__(self, retrofit_data, city):
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"""
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:param retrofit_types: List of retrofit types to apply. Options are 'construction', 'windows', 'infiltration'.
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:param retrofit_data: Dictionary mapping building IDs to their retrofit data.
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:param city: The City object containing the buildings to retrofit.
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"""
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self._retrofit_types = retrofit_types
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self._retrofit_data = retrofit_data
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self._city = city
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def apply_construction_retrofit(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
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def enrich(self):
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for building in self._city.buildings:
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self._apply_construction_retrofit_to_building(building, wall_u_value, roof_u_value, ground_u_value)
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building_id = str(building.name) # Convert ID to string to match JSON keys
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if building_id in self._retrofit_data:
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print(f"Applying retrofits to building ID {building_id}")
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building_retrofit_data = self._retrofit_data[building_id]
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retrofit_types = building_retrofit_data.get('retrofit_types', [])
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self._apply_retrofits_to_building(building, retrofit_types, building_retrofit_data)
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else:
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print(f"No retrofit data for building ID {building_id}")
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def _apply_retrofits_to_building(self, building, retrofit_types, retrofit_params):
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if 'construction' in retrofit_types:
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self._apply_construction_retrofit_to_building(building, retrofit_params)
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if 'infiltration' in retrofit_types:
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self._reduce_infiltration_rate_by_percentage(building, retrofit_params)
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if 'windows' in retrofit_types:
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self._apply_window_retrofit_to_building(building, retrofit_params)
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def _apply_construction_retrofit_to_building(self, building: Building, retrofit_params):
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wall_u_value = retrofit_params.get('wall_u_value')
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roof_u_value = retrofit_params.get('roof_u_value')
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ground_u_value = retrofit_params.get('ground_u_value')
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def _apply_construction_retrofit_to_building(self, building: Building, wall_u_value, roof_u_value, ground_u_value):
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for thermal_zone in building.thermal_zones_from_internal_zones:
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for thermal_boundary in thermal_zone.thermal_boundaries:
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if wall_u_value is not None and thermal_boundary.type == cte.WALL and thermal_boundary.u_value > wall_u_value:
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self._change_thermal_resistance(thermal_boundary, wall_u_value)
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thermal_boundary.u_value = wall_u_value
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print(f"Updated wall U-value to {wall_u_value} in building {building.name}")
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elif roof_u_value is not None and thermal_boundary.type == cte.ROOF and thermal_boundary.u_value > roof_u_value:
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self._change_thermal_resistance(thermal_boundary, roof_u_value)
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thermal_boundary.u_value = roof_u_value
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print(f"Updated roof U-value to {roof_u_value} in building {building.name}")
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elif ground_u_value is not None and thermal_boundary.type == cte.GROUND and thermal_boundary.u_value > ground_u_value:
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self._change_thermal_resistance(thermal_boundary, ground_u_value)
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thermal_boundary.u_value = ground_u_value
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print("thermal_boundary.u_value", thermal_boundary.u_value, thermal_boundary.type)
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print(f"Updated ground U-value to {ground_u_value} in building {building.name}")
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def _change_thermal_resistance(self, thermal_boundary, new_u_value):
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old_u_value = thermal_boundary.u_value
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@ -91,57 +58,46 @@ class RetrofitFactory:
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if "virtual_no_mass" in layer.material_name.lower():
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new_thermal_resistance = layer.thermal_resistance + delta_r
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layer.thermal_resistance = new_thermal_resistance
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print(f"Increased thermal resistance by {delta_r} in layer {layer.material_name}")
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else:
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print("New U-value:", new_u_value, "is not less than old U-value:", old_u_value, "for thermal boundary type:", thermal_boundary.type)
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print(f"New U-value {new_u_value} is not less than old U-value {old_u_value} for thermal boundary type {thermal_boundary.type}")
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def reduce_infiltration_rate_by_percentage(self, percentage):
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"""
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Reduce the infiltration_rate_system_off of each thermal zone by the given percentage.
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:param percentage: Percentage by which to reduce the infiltration rate (e.g., 20 for 20%)
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"""
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for building in self._city.buildings:
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def _reduce_infiltration_rate_by_percentage(self, building: Building, retrofit_params):
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percentage = retrofit_params.get('infiltration_reduction')
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if percentage is None:
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return
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for thermal_zone in building.thermal_zones_from_internal_zones:
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old_rate = thermal_zone.infiltration_rate_system_off
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thermal_archetype = thermal_zone.parent_internal_zone.thermal_archetype
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old_rate = thermal_archetype.infiltration_rate_for_ventilation_system_off
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new_rate = old_rate * (1 - percentage / 100)
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thermal_zone.infiltration_rate_system_off = new_rate
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print(f"Reduced infiltration rate from {old_rate} to {new_rate} in thermal zone {thermal_zone}")
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thermal_archetype.infiltration_rate_for_ventilation_system_off = new_rate
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print(f"Reduced infiltration rate from {old_rate} to {new_rate} in building {building.name}")
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def _apply_window_retrofit_to_building(self, building: Building, retrofit_params):
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overall_u_value = retrofit_params.get('window_u_value')
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g_value = retrofit_params.get('window_g_value')
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def apply_window_retrofit(self, overall_u_value=None, g_value=None):
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"""
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Apply window retrofit by changing window overall U-value and g-value.
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:param overall_u_value: New overall U-value for the windows (if not None).
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:param g_value: New g-value (solar heat gain coefficient) for the windows (if not None).
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"""
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for building in self._city.buildings:
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for thermal_zone in building.thermal_zones_from_internal_zones:
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for thermal_boundary in thermal_zone.thermal_boundaries:
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# Only apply to walls (and roofs if skylights are considered)
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if thermal_boundary.type in [cte.WALL]: # Add cte.ROOF if skylights are present
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if thermal_boundary.type == cte.WALL:
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construction_archetype = thermal_boundary._construction_archetype
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construction_archetype.window_overall_u_value = overall_u_value
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construction_archetype.window_g_value = g_value
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if hasattr(thermal_boundary, 'thermal_openings') and thermal_boundary.thermal_openings:
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for opening in thermal_boundary.thermal_openings:
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if overall_u_value is not None and overall_u_value != 0:
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old_u_value = opening.overall_u_value
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opening.overall_u_value = overall_u_value
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print(f"Changed window overall_u_value from {old_u_value} to {opening.overall_u_value} in opening {opening}")
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print(f"Changed window U-value from {old_u_value} to {opening.overall_u_value} in building {building.name}")
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if g_value is not None and g_value != 0:
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old_g_value = opening.g_value
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opening.g_value = g_value
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print(f"Changed window g_value from {old_g_value} to {opening.g_value} in opening {opening}")
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print(f"Changed window g-value from {old_g_value} to {opening.g_value} in building {building.name}")
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else:
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print(f"No thermal openings in thermal boundary {thermal_boundary} of type {thermal_boundary.type}")
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print(f"No thermal openings in thermal boundary {thermal_boundary} of type {thermal_boundary.type} in building {building.name}")
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else:
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# Skip thermal boundaries that are not walls or roofs
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# Skip thermal boundaries that are not walls
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continue
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def enrich(self, wall_u_value=None, roof_u_value=None, ground_u_value=None,
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infiltration_rate_percentage_reduction=None,
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window_overall_u_value=None, window_g_value=None):
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"""
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Apply selected retrofits to the city.
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"""
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if 'construction' in self._retrofit_types:
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self.apply_construction_retrofit(wall_u_value, roof_u_value, ground_u_value)
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if 'infiltration' in self._retrofit_types and infiltration_rate_percentage_reduction is not None:
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self.reduce_infiltration_rate_by_percentage(infiltration_rate_percentage_reduction)
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if 'windows' in self._retrofit_types:
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self.apply_window_retrofit(overall_u_value=window_overall_u_value, g_value=window_g_value)
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"window_u_value": 1.1,
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"window_g_value": 0.6
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},
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"175786": {
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"176293": {
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"retrofit_types": ["windows"],
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"window_u_value": 1.3,
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"window_g_value": 0.5
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},
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"175787": {
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"182393": {
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"retrofit_types": ["infiltration"],
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"infiltration_reduction": 25
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}
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6
main.py
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main.py
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@ -6,13 +6,13 @@ from hub.helpers.dictionaries import Dictionaries
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from hub.imports.construction_factory import ConstructionFactory
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from hub.imports.usage_factory import UsageFactory
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from hub.imports.weather_factory import WeatherFactory
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from hub.imports.retrofit_factory_virtual import RetrofitFactory
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from hub.imports.retrofit_factory import RetrofitFactory
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import json
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# Specify the GeoJSON file path
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input_files_path = (Path(__file__).parent / 'input_files')
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input_files_path.mkdir(parents=True, exist_ok=True)
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geojson_file = process_geojson(x=-73.5681295982132, y=45.49218262677643, diff=0.0001)
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geojson_file_path = input_files_path / 'input_one_buildings.geojson'
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geojson_file_path = input_files_path / 'input_buildings.geojson'
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retrofit_json_file_path = input_files_path / 'retrofit_scenarios.json'
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with open(retrofit_json_file_path, 'r') as f:
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# Enrich city data
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ConstructionFactory('cerc', city).enrich()
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UsageFactory('cerc', city).enrich()
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# Apply retrofits based on JSON data using building IDs
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RetrofitFactory(retrofit_data, city).enrich()
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WeatherFactory('epw', city).enrich()
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