city_retrofit/city_model_structure/city_object.py

"""
CityObject module
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
"""
from typing import List, Union
from city_model_structure.attributes.surface import Surface
from city_model_structure.attributes.polyhedron import Polyhedron
from helpers.configuration_helper import ConfigurationHelper
import math


class CityObject:
  """
  class CityObject
  """
  def __init__(self, lod, surfaces, name, city_lower_corner):
    self._name = name
    self._lod = lod
    self._surfaces = surfaces
    self._city_lower_corner = city_lower_corner
    self._type = None
    self._city_object_lower_corner = None
    self._detailed_polyhedron = None
    self._simplified_polyhedron = None
    self._min_x = ConfigurationHelper().max_coordinate
    self._min_y = ConfigurationHelper().max_coordinate
    self._min_z = ConfigurationHelper().max_coordinate
    self._centroid = None
    self._external_temperature = dict()
    self._global_horizontal = dict()
    self._diffuse = dict()
    self._beam = dict()

  @property
  def lod(self):
    """
    City object level of detail 1, 2, 3 or 4
    :return: int
    """
    lod = math.log(self._lod, 2) + 1
    return lod

  @property
  def type(self):
    """
    city object type
    :return: str
    """
    return self._type

  @property
  def volume(self):
    """
    City object volume in cubic meters
    :return: float
    """
    return self.detailed_polyhedron.volume

  @property
  def detailed_polyhedron(self):
    """
    City object polyhedron including details such as holes
    :return: Polyhedron
    """
    if self._detailed_polyhedron is None:
      polygons = []
      for surface in self.surfaces:
        polygons.append(surface.solid_polygon)
        if surface.hole_polygons is not None:
          for hole_polygon in surface.hole_polygons:
            polygons.append(hole_polygon)
      self._detailed_polyhedron = Polyhedron(polygons)
    return self._detailed_polyhedron

  @property
  def simplified_polyhedron(self):
    """
    City object polyhedron, just the simple lod2 representation
    :return: Polyhedron
    """
    if self._simplified_polyhedron is None:
      polygons = []
      for surface in self.surfaces:
        polygons.append(surface.perimeter_polygon)
      self._simplified_polyhedron = Polyhedron(polygons)
    return self._simplified_polyhedron

  @property
  def surfaces(self) -> List[Surface]:
    """
    City object surfaces
    :return: [Surface]
    """
    return self._surfaces

  def surface(self, name) -> Union[Surface, None]:
    """
    Get the city object surface with a given name
    :param name: str
    :return: None or Surface
    """
    for s in self.surfaces:
      if s.name == name:
        return s
    return None

  @property
  def centroid(self):
    """
    City object location
    :return: [x,y,z]
    """
    if self._centroid is None:
      self._centroid = self.simplified_polyhedron.centroid
    return self._centroid

  @property
  def max_height(self):
    """
    City object maximal height in meters
    :return: float
    """
    return self.simplified_polyhedron.max_z

  @property
  def external_temperature(self) -> dict:
    """
    external temperature surrounding the city object in grads Celsius
    :return: dict{DataFrame(float)}
    """
    return self._external_temperature

  @external_temperature.setter
  def external_temperature(self, value):
    """
    external temperature surrounding the city object in grads Celsius
    :param value: dict{DataFrame(float)}
    """
    self._external_temperature = value

  @property
  def global_horizontal(self) -> dict:
    """
    global horizontal radiation surrounding the city object in W/m2
    :return: dict{DataFrame(float)}
    """
    return self._global_horizontal

  @global_horizontal.setter
  def global_horizontal(self, value):
    """
    global horizontal radiation surrounding the city object in W/m2
    :param value: dict{DataFrame(float)}
    """
    self._global_horizontal = value

  @property
  def diffuse(self) -> dict:
    """
    diffuse radiation surrounding the city object in W/m2
    :return: dict{DataFrame(float)}
    """
    return self._diffuse

  @diffuse.setter
  def diffuse(self, value):
    """
    diffuse radiation surrounding the city object in W/m2
    :param value: dict{DataFrame(float)}
    """
    self._diffuse = value

  @property
  def beam(self) -> dict:
    """
    beam radiation surrounding the city object in W/m2
    :return: dict{DataFrame(float)}
    """
    return self._beam

  @beam.setter
  def beam(self, value):
    """
    beam radiation surrounding the city object in W/m2
    :param value: dict{DataFrame(float)}
    """
    self._beam = value

  @property
  def city_object_lower_corner(self):
    if self._city_object_lower_corner is None:
      self._city_object_lower_corner = [self._min_x, self._min_y, self._min_z]
    return self._city_object_lower_corner