CityBEM-CityLayers-SaeedRay.../hub/exports/formats/triangular.py

33 lines
1.0 KiB
Python

"""
export a city from trimesh into Triangular format (obj or stl)
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2022 Concordia CERC group
Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
"""
from pathlib import Path
from trimesh import Trimesh
class Triangular:
"""
Superclass to export to triangular format (STL or OBJ)
"""
def __init__(self, city, path, triangular_format, write_mode='w'):
self._city = city
self._path = path
self._triangular_format = triangular_format
self._write_mode = write_mode
self._export()
def _export(self):
if self._city.name is None:
self._city.name = 'unknown_city'
file_name = self._city.name + '.' + self._triangular_format
file_path = (Path(self._path).resolve() / file_name).resolve()
trimesh = Trimesh()
for building in self._city.buildings:
trimesh = trimesh.union(building.simplified_polyhedron.trimesh)
with open(file_path, self._write_mode) as file:
file.write(trimesh.export(file_type=self._triangular_format))