33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
"""
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export a city into Obj format
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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 exports.formats.triangular import Triangular
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from pathlib import Path
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from imports.geometry_factory import GeometryFactory
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import trimesh.exchange.obj
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from trimesh import Trimesh
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class Obj(Triangular):
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def __init__(self, city, path):
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super().__init__(city, path, 'obj')
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def to_ground_points(self):
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reference_coordinates = self._city.lower_corner
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file_name_in = self._city.name + '.' + self._triangular_format
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file_name_out = self._city.name + '_ground.' + self._triangular_format
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file_path_in = (Path(self._path).resolve() / file_name_in).resolve()
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file_path_out = (Path(self._path).resolve() / file_name_out).resolve()
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scene_dic = GeometryFactory('obj', file_path_in).scene
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for vertex in scene_dic['vertices']:
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for i in range(0, 3):
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vertex[i] -= reference_coordinates[i]
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scene = Trimesh(vertices=scene_dic['vertices'], faces=scene_dic['faces'])
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obj_file = trimesh.exchange.obj.export_obj(scene)
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with open(file_path_out, 'w') as file:
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file.write(obj_file)
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