Import of Construction Format Metadata

Construction format metadata refers to heterogeneous data that cannot be represented in terms of the geometric kernel due to excessive complexity and the domain‑specific nature, and therefore is processed separately. This includes complexly structured object properties, their relationships, and model representation trees. Metadata import is available for the ifc format from c3d_plugin, as well as for the nwd, rvt, rvm, and sp formats, which are also processed via c3d_plugin.