hub/city_model_structure/building.py

@@ -70,9 +70,6 @@ class Building(CityObject):
       self._min_x = min(self._min_x, surface.lower_corner[0])
       self._min_y = min(self._min_y, surface.lower_corner[1])
       self._min_z = min(self._min_z, surface.lower_corner[2])
-      self._max_x = max(self._max_x, surface.upper_corner[0])
-      self._max_y = max(self._max_y, surface.upper_corner[1])
-      self._max_z = max(self._max_z, surface.upper_corner[2])
       surface.id = surface_id
       if surface.type == cte.GROUND:
         self._grounds.append(surface)

hub/city_model_structure/building_demand/construction.py

@@ -14,7 +14,6 @@ class Construction:
   """
   def __init__(self):
     self._type = None
-    self._name = None
     self._layers = None
     self._window_ratio = None
     self._window_frame_ratio = None
@@ -38,22 +37,6 @@ class Construction:
     """
     self._type = value
 
-  @property
-  def name(self):
-    """
-    Get construction name
-    :return: str
-    """
-    return self._name
-
-  @name.setter
-  def name(self, value):
-    """
-    Set construction name
-    :param value: str
-    """
-    self._name = value
-
   @property
   def layers(self) -> [Layer]:
     """

hub/city_model_structure/building_demand/internal_zone.py

@@ -130,7 +130,6 @@ class InternalZone:
         for hole in surface.holes_polygons:
           windows_areas.append(hole.area)
       _thermal_boundary = ThermalBoundary(surface, surface.solid_polygon.area, windows_areas)
-      surface.associated_thermal_boundaries = [_thermal_boundary]
       _thermal_boundaries.append(_thermal_boundary)
     _number_of_storeys = int(self.volume / self.area / self.thermal_archetype.average_storey_height)
     _thermal_zone = ThermalZone(_thermal_boundaries, self, self.volume, self.area, _number_of_storeys)

hub/city_model_structure/building_demand/layer.py

@@ -59,7 +59,6 @@ class Layer:
     Get material name
     :return: str
     """
-    # todo: this should be named material_name instead
     return self._name
 
   @name.setter
@@ -68,7 +67,6 @@ class Layer:
     Set material name
     :param value: string
     """
-    # todo: this should be named material_name instead
     self._name = str(value)
 
   @property

hub/city_model_structure/building_demand/surface.py

@@ -154,6 +154,7 @@ class Surface:
     if self._inclination is None:
       self._inclination = np.arccos(self.perimeter_polygon.normal[2])
     return self._inclination
+
   @property
   def type(self):
     """

hub/city_model_structure/building_demand/thermal_boundary.py

@@ -256,19 +256,6 @@ class ThermalBoundary:
         raise TypeError('Constructions layers are not initialized') from TypeError
     return self._u_value
 
-  @property
-  def construction_name(self):
-    """
-    Get construction name
-    :return: str
-    """
-    if self._construction_archetype is not None:
-      self._construction_name = self._construction_archetype.name
-    else:
-      logging.error('Construction name not defined\n')
-      raise ValueError('Construction name not defined')
-    return self._construction_name
-
   @u_value.setter
   def u_value(self, value):
     """

hub/exports/building_energy/idf.py

@@ -148,28 +148,28 @@ class Idf:
 
   def _add_material(self, layer):
     for material in self._idf.idfobjects[self._MATERIAL]:
-      if material.Name == layer.name:
+      if material.Name == layer.material.name:
         return
     for material in self._idf.idfobjects[self._MATERIAL_NOMASS]:
-      if material.Name == layer.name:
+      if material.Name == layer.material.name:
         return
-    if layer.no_mass:
+    if layer.material.no_mass:
       self._idf.newidfobject(self._MATERIAL_NOMASS,
-                             Name=layer.name,
+                             Name=layer.material.name,
                              Roughness=self._ROUGHNESS,
-                             Thermal_Resistance=layer.thermal_resistance
+                             Thermal_Resistance=layer.material.thermal_resistance
                              )
     else:
       self._idf.newidfobject(self._MATERIAL,
-                             Name=layer.name,
+                             Name=layer.material.name,
                              Roughness=self._ROUGHNESS,
                              Thickness=layer.thickness,
-                             Conductivity=layer.conductivity,
-                             Density=layer.density,
-                             Specific_Heat=layer.specific_heat,
-                             Thermal_Absorptance=layer.thermal_absorptance,
-                             Solar_Absorptance=layer.solar_absorptance,
-                             Visible_Absorptance=layer.visible_absorptance
+                             Conductivity=layer.material.conductivity,
+                             Density=layer.material.density,
+                             Specific_Heat=layer.material.specific_heat,
+                             Thermal_Absorptance=layer.material.thermal_absorptance,
+                             Solar_Absorptance=layer.material.solar_absorptance,
+                             Visible_Absorptance=layer.material.visible_absorptance
                              )
 
   @staticmethod
@@ -338,11 +338,11 @@ class Idf:
       _kwargs = {'Name': vegetation_name,
                  'Outside_Layer': thermal_boundary.parent_surface.vegetation.name}
       for i in range(0, len(layers) - 1):
-        _kwargs[f'Layer_{i + 2}'] = layers[i].name
+        _kwargs[f'Layer_{i + 2}'] = layers[i].material.name
     else:
-      _kwargs = {'Name': thermal_boundary.construction_name, 'Outside_Layer': layers[0].name}
+      _kwargs = {'Name': thermal_boundary.construction_name, 'Outside_Layer': layers[0].material.name}
       for i in range(1, len(layers) - 1):
-        _kwargs[f'Layer_{i + 1}'] = layers[i].name
+        _kwargs[f'Layer_{i + 1}'] = layers[i].material.name
     self._idf.newidfobject(self._CONSTRUCTION, **_kwargs)
 
   def _add_window_construction_and_material(self, thermal_opening):
@@ -512,12 +512,12 @@ class Idf:
     self._rename_building(self._city.name)
     self._lod = self._city.level_of_detail.geometry
     for building in self._city.buildings:
+      print('building name', building.name)
       for internal_zone in building.internal_zones:
         if internal_zone.thermal_zones_from_internal_zones is None:
           continue
         for thermal_zone in internal_zone.thermal_zones_from_internal_zones:
           for thermal_boundary in thermal_zone.thermal_boundaries:
-
             self._add_construction(thermal_boundary)
             if thermal_boundary.parent_surface.vegetation is not None:
               self._add_vegetation_material(thermal_boundary.parent_surface.vegetation)
@@ -560,7 +560,7 @@ class Idf:
             self._add_dhw(thermal_zone, building.name)
       if self._export_type == "Surfaces":
         if building.name in self._target_buildings or building.name in self._adjacent_buildings:
-          if building.thermal_zones_from_internal_zones is not None:
+          if building.internal_zones[0].thermal_zones_from_internal_zones is not None:
             self._add_surfaces(building, building.name)
           else:
             self._add_pure_geometry(building, building.name)
@@ -677,40 +677,41 @@ class Idf:
       self._idf.set_wwr(wwr)
 
   def _add_surfaces(self, building, zone_name):
-    for thermal_zone in building.thermal_zones_from_internal_zones:
-      for boundary in thermal_zone.thermal_boundaries:
-        idf_surface_type = self.idf_surfaces[boundary.parent_surface.type]
-        outside_boundary_condition = 'Outdoors'
-        sun_exposure = 'SunExposed'
-        wind_exposure = 'WindExposed'
-        _kwargs = {'Name': f'{boundary.parent_surface.name}',
-                   'Surface_Type': idf_surface_type,
-                   'Zone_Name': zone_name}
-        if boundary.parent_surface.type == cte.GROUND:
-          outside_boundary_condition = 'Ground'
-          sun_exposure = 'NoSun'
-          wind_exposure = 'NoWind'
-        if boundary.parent_surface.percentage_shared is not None and boundary.parent_surface.percentage_shared > 0.5:
-          outside_boundary_condition = 'Surface'
-          outside_boundary_condition_object = boundary.parent_surface.name
-          sun_exposure = 'NoSun'
-          wind_exposure = 'NoWind'
-          _kwargs['Outside_Boundary_Condition_Object'] = outside_boundary_condition_object
-        _kwargs['Outside_Boundary_Condition'] = outside_boundary_condition
-        _kwargs['Sun_Exposure'] = sun_exposure
-        _kwargs['Wind_Exposure'] = wind_exposure
+    for internal_zone in building.internal_zones:
+      for thermal_zone in internal_zone.thermal_zones_from_internal_zones:
+        for boundary in thermal_zone.thermal_boundaries:
+          idf_surface_type = self.idf_surfaces[boundary.parent_surface.type]
+          outside_boundary_condition = 'Outdoors'
+          sun_exposure = 'SunExposed'
+          wind_exposure = 'WindExposed'
+          _kwargs = {'Name': f'{boundary.parent_surface.name}',
+                     'Surface_Type': idf_surface_type,
+                     'Zone_Name': zone_name}
+          if boundary.parent_surface.type == cte.GROUND:
+            outside_boundary_condition = 'Ground'
+            sun_exposure = 'NoSun'
+            wind_exposure = 'NoWind'
+          if boundary.parent_surface.percentage_shared is not None and boundary.parent_surface.percentage_shared > 0.5:
+            outside_boundary_condition = 'Surface'
+            outside_boundary_condition_object = boundary.parent_surface.name
+            sun_exposure = 'NoSun'
+            wind_exposure = 'NoWind'
+            _kwargs['Outside_Boundary_Condition_Object'] = outside_boundary_condition_object
+          _kwargs['Outside_Boundary_Condition'] = outside_boundary_condition
+          _kwargs['Sun_Exposure'] = sun_exposure
+          _kwargs['Wind_Exposure'] = wind_exposure
 
-        if boundary.parent_surface.vegetation is not None:
-          construction_name = f'{boundary.construction_name}_{boundary.parent_surface.vegetation.name}'
-        else:
-          construction_name = boundary.construction_name
-        _kwargs['Construction_Name'] = construction_name
+          if boundary.parent_surface.vegetation is not None:
+            construction_name = f'{boundary.construction_name}_{boundary.parent_surface.vegetation.name}'
+          else:
+            construction_name = boundary.construction_name
+          _kwargs['Construction_Name'] = construction_name
 
-        surface = self._idf.newidfobject(self._SURFACE, **_kwargs)
+          surface = self._idf.newidfobject(self._SURFACE, **_kwargs)
 
-        coordinates = self._matrix_to_list(boundary.parent_surface.solid_polygon.coordinates,
-                                           self._city.lower_corner)
-        surface.setcoords(coordinates)
+          coordinates = self._matrix_to_list(boundary.parent_surface.solid_polygon.coordinates,
+                                             self._city.lower_corner)
+          surface.setcoords(coordinates)
 
     if self._lod >= 3:
       for internal_zone in building.internal_zones:

hub/exports/formats/obj.py

@@ -4,10 +4,8 @@ SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
-import math
-from pathlib import Path
 
-import numpy as np
+from pathlib import Path
 
 
 class Obj:
@@ -19,80 +17,41 @@ class Obj:
     self._path = path
     self._export()
 
-  def _ground(self, coordinate):
+  def _to_vertex(self, coordinate):
     x = coordinate[0] - self._city.lower_corner[0]
     y = coordinate[1] - self._city.lower_corner[1]
     z = coordinate[2] - self._city.lower_corner[2]
-    return x, y, z
-
-  def _to_vertex(self, coordinate):
-    x, y, z = self._ground(coordinate)
-    return f'v {x} {z} {y}\n'
-
-  def _to_texture_vertex(self, coordinate):
-    u, v, _ = self._ground(coordinate)
-    return f'vt {u} {v}\n'
-
-  def _to_normal_vertex(self, coordinates):
-    ground_vertex = []
-    for coordinate in coordinates:
-      x, y, z = self._ground(coordinate)
-      ground_vertex.append(np.array([x, y, z]))
-    # recalculate the normal to get grounded values
-    edge_1 = ground_vertex[1] - ground_vertex[0]
-    edge_2 = ground_vertex[2] - ground_vertex[0]
-    normal = np.cross(edge_1, edge_2)
-    normal = normal / np.linalg.norm(normal)
-    return f'vn {normal[0]} {normal[1]} {normal[2]}\n'
+    return f'v {x} {y} {z}\n'
 
   def _export(self):
     if self._city.name is None:
       self._city.name = 'unknown_city'
-    obj_name = f'{self._city.name}.obj'
-    mtl_name = f'{self._city.name}.mtl'
-    obj_file_path = (Path(self._path).resolve() / obj_name).resolve()
-    mtl_file_path = (Path(self._path).resolve() / mtl_name).resolve()
-    with open(mtl_file_path, 'w', encoding='utf-8') as mtl:
-      mtl.write("newmtl cerc_base_material\n")
-      mtl.write("Ka 1.0 1.0 1.0      # Ambient color (white)\n")
-      mtl.write("Kd 0.3 0.8 0.3      # Diffuse color (greenish)\n")
-      mtl.write("Ks 1.0 1.0 1.0      # Specular color (white)\n")
-      mtl.write("Ns 400.0             # Specular exponent (defines shininess)\n")
+    file_name = self._city.name + '.obj'
+    file_path = (Path(self._path).resolve() / file_name).resolve()
     vertices = {}
-    normals_index = {}
-    faces = []
-    vertex_index = 0
-    normal_index = 0
-    with open(obj_file_path, 'w', encoding='utf-8') as obj:
+    with open(file_path, 'w', encoding='utf-8') as obj:
       obj.write("# cerc-hub export\n")
-      obj.write(f'mtllib {mtl_name}')
-
+      vertex_index = 0
+      faces = []
       for building in self._city.buildings:
         obj.write(f'# building {building.name}\n')
         obj.write(f'g {building.name}\n')
         obj.write('s off\n')
         for surface in building.surfaces:
           obj.write(f'# surface {surface.name}\n')
-          face = []
-          normal = self._to_normal_vertex(surface.perimeter_polygon.coordinates)
-          normal_index += 1
-          textures = []
+          face = 'f '
           for coordinate in surface.perimeter_polygon.coordinates:
             vertex = self._to_vertex(coordinate)
-
             if vertex not in vertices:
               vertex_index += 1
               vertices[vertex] = vertex_index
               current = vertex_index
               obj.write(vertex)
-              textures.append(self._to_texture_vertex(coordinate))  # only append if non-existing
             else:
               current = vertices[vertex]
 
-            face.insert(0, f'{current}/{current}/{normal_index}')  # insert counterclockwise
-          obj.writelines(normal)  # add the normal
-          obj.writelines(textures)  # add the texture vertex
+            face = f'{face} {current}'
 
-          faces.append(f"f {' '.join(face)}\n")
+          faces.append(f'{face} {face.split(" ")[1]}\n')
           obj.writelines(faces)
           faces = []

hub/imports/construction/eilat_physics_parameters.py

@@ -71,7 +71,6 @@ class EilatPhysicsParameters:
     for catalog_construction in catalog_archetype.constructions:
       construction = Construction()
       construction.type = catalog_construction.type
-      construction.name = catalog_construction.name
       if catalog_construction.window_ratio is not None:
         for _orientation in catalog_construction.window_ratio:
           if catalog_construction.window_ratio[_orientation] is None:

hub/imports/construction/nrcan_physics_parameters.py

@@ -71,7 +71,6 @@ class NrcanPhysicsParameters:
     for catalog_construction in catalog_archetype.constructions:
       construction = Construction()
       construction.type = catalog_construction.type
-      construction.name = catalog_construction.name
       if catalog_construction.window_ratio is not None:
         for _orientation in catalog_construction.window_ratio:
           if catalog_construction.window_ratio[_orientation] is None:

hub/imports/construction/nrel_physics_parameters.py

@@ -73,7 +73,6 @@ class NrelPhysicsParameters:
     for catalog_construction in catalog_archetype.constructions:
       construction = Construction()
       construction.type = catalog_construction.type
-      construction.name = catalog_construction.name
       if catalog_construction.window_ratio is not None:
         construction.window_ratio = {'north': catalog_construction.window_ratio,
                                      'east': catalog_construction.window_ratio,

hub/imports/geometry/geojson.py

@@ -116,7 +116,6 @@ class Geojson:
         if self._extrusion_height_field is not None:
           extrusion_height = float(feature['properties'][self._extrusion_height_field])
           lod = 1
-          self._max_z = max(self._max_z, extrusion_height)
         year_of_construction = None
         if self._year_of_construction_field is not None:
           year_of_construction = int(feature['properties'][self._year_of_construction_field])

tests/test_exports.py

@@ -66,7 +66,12 @@ class TestExports(TestCase):
 
   def _export(self, export_type, from_pickle=False):
     self._complete_city = self._get_complete_city(from_pickle)
-    ExportsFactory(export_type, self._complete_city, self._output_path).export()
+    try:
+      ExportsFactory(export_type, self._complete_city, self._output_path).export()
+    except ValueError as err:
+      if export_type != 'stl':
+        logging.warning('No backend export for STL test, skipped')
+        raise err
 
   def _export_building_energy(self, export_type, from_pickle=False):
       self._complete_city = self._get_complete_city(from_pickle)
@@ -78,6 +83,12 @@ class TestExports(TestCase):
     """
     self._export('obj', False)
 
+  def test_stl_export(self):
+    """
+    export to stl
+    """
+    self._export('stl', False)
+
   def test_energy_ade_export(self):
     """
     export to energy ADE