Integrated Lighting System Design And Visualisation. "The simulation and presentation of lighting effects." RADIANCE USERS MANUAL VOLUME TWO SIMON CRONE ARCHITECTURAL DISSERTATION NOVEMBER 1992 Architectural Dissertation 599 November 1992 INTEGRATED LIGHTING SYSTEM DESIGN AND VISUALISATION. The simulation and presentation of lighting effects. Volume Two RADIANCE USERS MANUAL Simon Michael Dalrymple Crone. Tutor Neville D'Cruz Co Tutor Terry McMinn Preface This users manual is intended to provide a concise condensed version of the documentation that is available with the RADIANCE program. It contains information gathered from the RADIANCE Users Manual (Draft), the RADIANCE reference manual, the RADIANCE UNIX manual pages, correspondence with the author, ( Greg Ward at LBL ) and much personal experience. Contents PREFACE ............................................................................................................................................................. CONTENTS ......................................................................................................................................................... 0 1.0 INTRODUCTION TO THE LBL'S RADIANCE PACKAGE.................................................................... 3 2.0 SCENE DESCRIPTION INPUT REQUIREMENTS. .................................................................................. 4 2.1. GENERAL FILE SPECIFICATION........................................................................................................................... 4 2.2. 3D GEOMETRY ................................................................................................................................................ 7 2.2.1. Polygon ................................................................................................................................................... 7 2.2.2. Sphere ..................................................................................................................................................... 8 2.2.3. Bubble..................................................................................................................................................... 9 2.2.4. Cone........................................................................................................................................................ 9 2.2.5. Cup ....................................................................................................................................................... 10 2.2.6. Cylinder ................................................................................................................................................ 10 2.2.7. Tube ...................................................................................................................................................... 10 2.2.8. Ring....................................................................................................................................................... 10 2.2.9. Source. .................................................................................................................................................. 11 2.2.1Ø. Instance. ............................................................................................................................................. 12 2.3. MATERIAL ASSIGNMENTS............................................................................................................................... 12 2.3.1. Normal materials................................................................................................................................... 12 2.3.1.1. Plastic ............................................................................................................................................................. 13 2.3.1.2. Metal .............................................................................................................................................................. 14 2.3.1.3. Trans............................................................................................................................................................... 14 2.3.1.4. Mirror ............................................................................................................................................................. 16 2.3.2. Lights .................................................................................................................................................... 16 2.3.2.1. Light ............................................................................................................................................................... 17 2.3.2.2. Spotlight.......................................................................................................................................................... 17 2.3.2.3. Illum ............................................................................................................................................................... 18 2.3.2.4. Glow ............................................................................................................................................................... 19 2.3.3. Dielectric materials............................................................................................................................... 20 2.3.3.1. Dielectric ........................................................................................................................................................ 20 2.3.3.2. Interface .......................................................................................................................................................... 21 2.3.3.3. Glass............................................................................................................................................................... 22 0 2.3.4. BRDF materials..................................................................................................................................... 23 2.4. PATTERN MODIFIERS. ..................................................................................................................................... 23 2.4.1. Material Transformations...................................................................................................................... 24 2.4.2. Procedural Patterns............................................................................................................................... 24 2.4.2.1. Colorfunc ........................................................................................................................................................ 24 2.4.2.2. Brightfunc ....................................................................................................................................................... 26 2.4.3. Data mapping patterns. ......................................................................................................................... 28 2.4.3.1. Colordata......................................................................................................................................................... 29 2.4.3.2. Brightdata ....................................................................................................................................................... 29 2.4.3.3. Colorpict ......................................................................................................................................................... 29 2.4.4. Text Patterns ......................................................................................................................................... 31 2.4.4.1. Colortext ......................................................................................................................................................... 32 2.4.4.2. Brighttext........................................................................................................................................................ 33 2.5. TEXTURE MODIFIERS...................................................................................................................................... 34 2.5.1. Texfunc.................................................................................................................................................. 34 2.5.2. Texdata ................................................................................................................................................. 36 2.6. MISCELLANEOUS PRIMITIVE TYPES. ................................................................................................................. 39 2.6.1. Antimatter ............................................................................................................................................. 39 2.6.2. Prism1 and Prism2 ................................................................................................................................ 40 2.6.3. Mixfunc ................................................................................................................................................. 40 2.6.4. Mixdata................................................................................................................................................. 41 2.6.5. Mixtext .................................................................................................................................................. 41 3. RADIANCE LIGHT