USING 3D GEOMETRIC CONSTRAINTS IN ARCHITECTURAL DESIGN SUPPORT SYSTEMS

Abstract

To support 3D architectural modeling, geometric constraints are introduced. Explicit and implicit geometric relations between building elements can be expressed by the designer and imposed on the 3D geometry of the design. A complete set of constraint types is defined. Constraints are satisfied through Numerical Methods to achieve that the model responds to the designers’ actions in a user-intuitive way. Two proto- type systems demonstrate the application of geometric constraints in the architectural domain.