ABSTRACT
INTRODUCTION Following the view that architectural space exists when it is experienced by the senses, particularly sight, Van Meiss considers architectural design to be ‘the art of placing and controlling light sources in space’.1 He understands light sources to include actual light sources such as windows as well as illuminated objects like enclosing surfaces or other architectural elements that could include structural members. From this perspective, structure is potentially an important architectural element – both as a source of light, where light passes through it or illuminates it, and also as controller of how and where light enters a space.
