To learn more about procedural modeling, see Grammar-based modeling. The commands provided in the CityEngine CGA shape grammar, such as extrude, split or texture, are widely known commands in most 3D applications, and you can adapt them to create complex architectural forms. CityEngine features Procedural modeling core Instead of the classical intervention of the user, who manually interacts with the model and models 3D geometries, the task is described abstractly, in a rule file. The computer is given a code-based procedure that represents a series of commands-in this context, geometric modeling commands-which then will be executed. Such exercises would still be simpler to carry out in SketchUp.The main concept of CityEngine is the procedural approach toward modeling efficiently.
While CityEngine is great for testing infinite iterations of predefined variables across a large area, it not well suited for testing manual, complex changes on particular sites. With further coding and a more proficient user, one can test façade designs, colour schemes, street furniture and other detailed design elements. It is extremely useful for analyzing massing, set-backs, and heights. Why use CityEngine?ĬityEngine can instantly visualize the impacts of design guidelines. Those who are familiar with Grasshopper in Rhino will find it to be a similar concept, except on an urban scale, rather than a building/product scale. CityEngine is like 3D Studio Max, SketchUp, or any other 3D modeling program combined with procedural rules established with code. Wikipedia How is CityEngine different from other modeling and community visualization software?ĬityEngine can automatically generate geometry based on programmable rules. What is CityEngine?Įsri CityEngine is a three-dimensional (3D) modeling software application developed by Esri R and D Center Zurich (formerly Procedural Inc.) and is specialized in the generation of 3D urban environments.
Aside from rendering, the procedurally generated blocks also output total floor areas, envelope areas, building volumes, floor-space ratios (FSR), and projected population. The images above are tests with random height variables and do not reflect any actual plan. This project used ESRI CityEngine to visualize and test urban form regulations on neighbourhoods in Metro Vancouver.
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