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Mirroring #86
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Ooof. Mirroring seems to be such a major pain to handle correctly. From my perspective, it's an end user convenience/shortcut to duplicate things graphically, but ends up being a total data nightmare. Seems to me that in the BIM universe, mirroring is a curse more than a solution. Maybe it would help by clarifying exactly "what" can be mirrored and acceptable and what can't. Like the difference of supporting simple objects with bilateral symmetry (e.g. toilets) versus entire unitized constructs (e.g. unit plans for flats). |
In the shipbuilding world (not the central target for IFC, but our customers do use it) mirroring is very important (the port side and the starboard side of the hull generally start as mirror images, and many of the parts that make it up remain so). Handling this correctly for all operations does tend to be a source of bugs :( |
caught in the wild: IfcOpenShell/IfcOpenShell#1496 |
Is there any news on this topic? |
Is there an nice way to accommodate mirroring objects in the schema?
If not, is it possible to propose one for the NextGen?
cross-posted to: https://forums.buildingsmart.org/t/mirroring/3688
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