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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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class Usecase:
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def __init__(self, file, **settings):
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self.file = file
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self.settings = {
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"map_conversion": {},
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"projected_crs": {},
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"true_north": [],
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}
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for key, value in settings.items():
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self.settings[key] = value
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def execute(self):
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map_conversion = self.file.by_type("IfcMapConversion")[0]
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projected_crs = self.file.by_type("IfcProjectedCRS")[0]
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for name, value in self.settings["map_conversion"].items():
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setattr(map_conversion, name, value)
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for name, value in self.settings["projected_crs"].items():
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setattr(projected_crs, name, value)
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self.set_true_north()
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def set_true_north(self):
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if self.settings["true_north"] == []:
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return
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for context in self.file.by_type("IfcGeometricRepresentationContext", include_subtypes=False):
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if context.TrueNorth:
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if len(self.file.get_inverse(context.TrueNorth)) != 1:
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context.TrueNorth = self.file.create_entity("IfcDirection")
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else:
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context.TrueNorth = self.file.create_entity("IfcDirection")
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direction = context.TrueNorth
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if self.settings["true_north"] is None:
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context.TrueNorth = self.settings["true_north"]
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elif context.CoordinateSpaceDimension == 2:
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direction.DirectionRatios = self.settings["true_north"][0:2]
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else:
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direction.DirectionRatios = self.settings["true_north"][0:2] + [0.0]
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