how to extract the engineering quantity of different measurement units at one time:
for example: column, wall, beam and plate are measured by volume;
doors and windows are measured by area or floor;
electromechanical pipes are measured by length;
.
so far I haven't seen a very fast attribute reading method
about your requirement:
1. Iterate through all the dbid and get the name of the component
2. Reclassify
3 by name. Extract engineering quantity according to corresponding attributes
it is recommended to use promise.all for callback integration
I hope I can help you ~ ~ good luck
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