Daylighting Simulation
Objectives:
- To understand basic daylighting techniques and methods for simulating daylighting
I. Check-in on student progress
II. Lighting Simulation Definitions
Term
|
Definition
|
Luminance |
Brightness reflected from a surface |
Illuminance |
Luminous energy hitting a surface |
Sparkle |
Specular highlights |
Glare |
High contrast that prevents reading of the visual environment |
Local Illumination |
Direct illumination from light sources + material properties (no bounced light) |
Global Illumination |
Accounts for indirect reflected light |
Ray Tracing |
Considers light as rays. Looks at pixels visible to viewer and traces rays back to objects and then back to reflected sources. View dependent |
Radiosity |
Considers light as heat energy radiated from sources. Progressively refines a solution that considers color bleeding. View independent. |
III. Daylighting Techniques
Lightolier on Lessons in Lighting
Heshong-Mehone Group on Daylighting in Schools (see Guidelines)
Eindhoven University's FAGO Group on Daylight Design with Radiance Renderings
IV. Examples of Daylighting Simulation
Courses or how-to
Representing Daylighting (Cheng & Lee)
Andrzej Zarzicki's Renderings of the Piazza SS. Annunziata in Florence and Aalto's Altstetten Parish Church
Visarc's photorealistic architectural renderings
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