78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
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"""
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Rhino module parses rhino files and import the geometry into the city model structure
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
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"""
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from rhino3dm import *
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from rhino3dm._rhino3dm import MeshType
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import numpy as np
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import helpers.configuration_helper
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from city_model_structure.attributes.polygon import Polygon
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from city_model_structure.building import Building
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from city_model_structure.city import City
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from city_model_structure.building_demand.surface import Surface as LibsSurface
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from imports.geometry.helpers.geometry_helper import GeometryHelper
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from helpers.configuration_helper import ConfigurationHelper
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class Rhino:
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def __init__(self, path):
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self._model = File3dm.Read(str(path))
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max_float = 1.7976931348623157e+308
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min_float = -1.7976931348623157e+308
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self._min_x = self._min_y = self._min_z = max_float
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self._max_x = self._max_y = self._max_z = min_float
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print('init')
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@staticmethod
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def _solid_points(coordinates) -> np.ndarray:
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solid_points = np.fromstring(coordinates, dtype=float, sep=' ')
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solid_points = GeometryHelper.to_points_matrix(solid_points)
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return solid_points
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def _lower_corner(self, x, y, z):
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if x < self._min_x:
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self._min_x = x
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if y < self._min_y:
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self._min_y = y
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if z < self._min_z:
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self._min_z = z
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if x > self._max_x:
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self._max_x = x
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if y > self._max_y:
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self._max_y = y
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if z > self._max_z:
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self._max_z = z
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@property
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def city(self) -> City:
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buildings = []
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print('city')
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for obj in self._model.Objects:
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name = obj.Attributes.Id
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surfaces = []
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for face in obj.Geometry.Faces:
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if face is None:
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break
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_mesh = face.GetMesh(MeshType.Default)
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for i in range(0, len(_mesh.Faces)):
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faces = _mesh.Faces[i]
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_points = ''
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for index in faces:
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self._lower_corner(_mesh.Vertices[index].X, _mesh.Vertices[index].Y, _mesh.Vertices[index].Z)
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_points = _points + f'{_mesh.Vertices[index].X} {_mesh.Vertices[index].Y} {_mesh.Vertices[index].Z} '
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polygon_points = Rhino._solid_points(_points.strip())
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print(_points)
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surfaces.append(LibsSurface(Polygon(polygon_points), Polygon(polygon_points)))
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buildings.append(Building(name, 3, surfaces, 'unknown', 'unknown', (self._min_x, self._min_y, self._min_z), []))
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lower_corner = (self._min_x, self._min_y, self._min_z)
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upper_corner = (self._max_x, self._max_y, self._max_z)
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city = City(lower_corner, upper_corner, 'Montreal')
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for building in buildings:
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city.add_city_object(building)
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return city
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