48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
"""
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Geometry helper
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2022 Concordia CERC group
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Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
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"""
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import numpy as np
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class GeometryHelper:
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"""
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Geometry helper
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"""
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@staticmethod
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def to_points_matrix(points):
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"""
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Transform a point vector into a point matrix
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:param points: [x, y, z, x, y, z ...]
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:return: [[x,y,z],[x,y,z]...]
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"""
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rows = points.size // 3
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points = points.reshape(rows, 3)
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return points
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@staticmethod
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def gml_surface_to_libs(surface):
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"""
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Transform citygml surface names into hub names
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"""
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if surface == 'WallSurface':
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return 'Wall'
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if surface == 'GroundSurface':
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return 'Ground'
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return 'Roof'
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@staticmethod
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def points_from_string(coordinates) -> np.ndarray:
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points = np.fromstring(coordinates, dtype=float, sep=' ')
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points = GeometryHelper.to_points_matrix(points)
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return points
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@staticmethod
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def remove_last_point_from_string(points):
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array = points.split(' ')
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res = " "
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return res.join(array[0:len(array) - 3])
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