recent era of lighting-design softw...

recent era of lighting-design software: faster, more flexible and furnishs 3-D renderings
In the past, using lighting-calculation software has been frustrating -- programs were time-consuming, keystroke-dependent and hard to master. Users were ofttimes restricted to designing simple, rectangular spaces or buildings, and flat-type ceilings or cover structures. The resulting architectural examples were, at best, good approximations of the propos architectural constitutions
Another limitation was gradual calculation speed, which often delayed the designer's efforts to show quality ...