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Discussions about using GRAPHISOFT's tools (API DevKit) for independent software developers

Moderators: Barry Kelly, Karl Ottenstein, LaszloNagy, ejrolon, gkmethy, Tibor Lorántfy, MOREH Tamas, Akos Somorjai, Ed Brown, Mihály Palenik

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By kzaremba
I have encountered some problems with exporting quantities I'm not sure why but when IFC Base Quantities are marked export instead of 1 min takes 1 hour...

Therefore I was thinking of mapping like we map IFCProperties. However, IFC Mapping maps only Properties.

So my question is... Is there a way to add IFCQuantities based on API_​IFCAttribute?

What actually causes so long export? It kind of stuck on 19% of Stage2 - Space Boundary calculations.
By Mihály Palenik

unfortunately there is no way to map IFC Base Quantities with API.

The IFC Base Quantity export can be slow sometimes based on the plan file. For example it calculates sum area of zones of floor that's why in some cases Space boundary data have to be calculated which is time-consuming process.