During installation, Revit includes the AutodeskRevitContContentLibraries module, also known as the family library module. This built-in content library provides essential Revit families. With the advancement of BIM technology, China has developed numerous family library sharing platforms, such as Family Library Master, Yi Family Library, and China BIM Component Library Network. However, many component families on these platforms are “dead families”—fixed models without parameterization, meaning they cannot be modified with data, which contradicts the concept of an ideal information model.
When chaotic acquisition channels and component information become standardized and uniformly managed, the family library can be considered to have entered a stage of formal development. As a content library, the family library serves four main functions: storage, classification, retrieval, and sharing:
(1) Storage – Family libraries are stored through various channels including software-built libraries, company-built libraries, and social market circulation. Storage methods vary widely and include cloud storage as well as local computer storage.
(2) Classification – After accumulating multiple family types, the library requires a comprehensive classification system to offer users a simple and intelligent search experience. Currently, classification methods are mostly based on different influencing factors with varying standards, such as browsing volume, usage frequency, and degree of standardization. However, these methods suit small-scale projects and become less effective as the family repository grows or projects become complex and large-scale. Therefore, classification methods must adapt based on scale, commonly organizing families by discipline, project stage, source, or frequency of use.
(3) Retrieval – The retrieval function enables users to quickly and accurately find required components. Effective naming conventions are critical in building the family library. Retrieval can be refined by details such as material, geometric shape, professional category, and application environment to help users locate the exact family components they need.
(4) Sharing – In its future development, the family library should become a public resource offering a free information exchange platform for all users. Through tasks, private messaging, and other means, users can acquire the component families they require efficiently.
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