A geometric input and editing system for architectural design

A geometric input and editing system is presented that provides a set of tools to aid the architect in the design development phase of a project. The system entitled TOPDRAWER, enables the architect to create and edit a database that represents the three-dimensional geometry of a building being designed. A series of viewing options are available to the user to interactively display computer generated views of the three-dimensional environment on a high speed refresh, vector graphics device.