Currently, BIM software offers a wide range of functions that generally satisfy users’ initial needs for BIM technology. However, these applications primarily provide generic features, which often fall short when addressing the complex and varied demands of real-world construction projects. As construction projects grow larger and more intricate, BIM software must support tools that enable users to develop and customize functionalities to suit their specific requirements, especially when handling complex geometries and large model datasets.
To accommodate the need for customized software functions, many BIM platforms offer Application Programming Interfaces (APIs). These APIs allow users to extend software capabilities by programming custom tools that address specific engineering challenges, such as automating data processing tasks. However, utilizing APIs typically requires programming skills and development experience, creating a steep learning curve for BIM users without a coding background.
Visual programming tools have emerged to lower this barrier by providing a graphical interface where users can create programs through connecting functional node blocks. This approach enables users to design executable workflows that represent data processing logic without writing traditional code.
Offering visual programming capabilities has become a growing trend among BIM software providers. Leading platforms now support visual programming environments and actively promote their use. Examples include Grasshopper for Rhino, Dynamo for Revit, Generative Components for Bentley, and Archicad’s recently launched PARAM-O. Rhino and Revit are currently the most widely used BIM software: Rhino excels in geometric modeling and is particularly strong at creating complex shapes, while Revit focuses on building information management.
Due to their different foundations, Grasshopper complements Rhino by enhancing its ability to shape complex geometries, whereas Dynamo enhances Revit’s capabilities in managing building information effectively.
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