Drawing Problems - Chapter 18 Copyright Goodheart-Willcox Co., Inc. Chapter 18 Lighting 509 5. Architectural In this problem, you will be adding lights to a model and control- ling the light properties to create a pleasing scene. Model the courtyard shown. The overall dimensions are 15′ × 16′ × 4′ (wall height). Use your own dimensions for everything else. Add lights as follows. A. Turn on the sun and turn off the default lighting. Set the time to late in the day so that the sun is close to the horizon. B. In the Sky Properties category of the Sun Properties palette, select Sky Background and Illumination for the Status property. C. Add a point light at the center of each sphere. D. Attach a glass material to the spheres that will make them look like they are glowing. There are materials in the Glass category of the Autodesk Library that can be used as a base for creating a new material. E. Create a fill light above to illuminate the scene. This can be a point light or spotlight. F. Render the scene using the Low preset to see the lighting effects. G. Adjust the sun properties to create the look that you want. H. Adjust the properties of the point lights and any other lights in the scene. You may have to increase the intensity of the lights to properly illuminate the scene. I. When the scene is illuminated the way you want it, render the scene using the Medium or High preset. If time allows, render the scene using the Coffee-Break Quality or Lunch Quality preset. J. Save the drawing as P18-5. A full-color image is provided on the companion website. www.g-wlearning.com/CAD/