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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
54 lines
1.6 KiB
Python
54 lines
1.6 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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import ifcopenshell
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import ifcopenshell.util.date
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from datetime import datetime
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class Data:
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is_loaded = False
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items = {}
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layers = {}
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@classmethod
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def purge(cls):
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cls.is_loaded = False
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cls.items = {}
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cls.layers = {}
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@classmethod
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def load(cls, file):
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cls._file = file
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if not cls._file:
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return
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cls.load_layers()
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cls.is_loaded = True
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@classmethod
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def load_layers(cls):
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cls.layers = {}
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cls.items = {}
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for layer in cls._file.by_type("IfcPresentationLayerAssignment"):
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data = layer.get_info()
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if layer.AssignedItems:
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for item in layer.AssignedItems:
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cls.items.setdefault(item.id(), []).append(layer.id())
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del data["AssignedItems"]
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cls.layers[layer.id()] = data
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