Research on key technology of CAD for crystal lamp with planar distribution

摘要

Crystal lamp has been preferred in indoor lighting design because of its gorgeous effect of light. Crystal lamp has many same or similar elements in the structure, so using CAD technology can help designers to quickly design and model crystal lamp. In this paper, the planar distribution of crystal lamp has been divided into two kinds of situations such as the concentric form crystal distribution and the rectangular form crystal distribution. Aiming at each situation, mathematical analysis has been done and the pseudo-code been given respectively. Then a parameterized modeling plug-in for crystal lamp aided design based Rhinoceros platform has been developed by using VB language. By selecting the parameters and variables, the plug-in can automatically create 3D model of crystal lamp, thus realize the parameterized modeling and improve the efficiency of design.