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https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 09:48:32 +00:00
Dion Moult
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
class Data:
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is_loaded = False
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map_conversion = {}
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projected_crs = {}
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true_north = {}
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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.map_conversion = {}
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cls.projected_crs = {}
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cls.true_north = None
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@classmethod
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def load(cls, file):
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if not file:
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return
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cls.map_conversion = {}
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cls.projected_crs = {}
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cls.true_north = {}
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if file.schema == "IFC2X3":
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return
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for context in file.by_type("IfcGeometricRepresentationContext", include_subtypes=False):
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if not context.HasCoordinateOperation:
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continue
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map_conversion = context.HasCoordinateOperation[0]
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cls.map_conversion = map_conversion.get_info()
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cls.map_conversion["SourceCRS"] = cls.map_conversion["SourceCRS"].id()
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cls.map_conversion["TargetCRS"] = cls.map_conversion["TargetCRS"].id()
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cls.projected_crs = map_conversion.TargetCRS.get_info()
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if cls.projected_crs["MapUnit"]:
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cls.projected_crs["MapUnit"] = map_conversion.TargetCRS.MapUnit.get_info()
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break
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for context in file.by_type("IfcGeometricRepresentationContext", include_subtypes=False):
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if not context.TrueNorth:
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continue
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cls.true_north = context.TrueNorth.DirectionRatios
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break
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cls.is_loaded = True
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