Drawing
Problems
-
Chapter
17
520
AutoCAD and Its Applications—Advanced
Copyright Goodheart-Willcox Co., Inc.
6. In Chapter 8, you completed the kitchen chair model that you started in Chapter 2.
In this problem, you will be adding lights to the model and attaching materials to
the various components in the chair.
A. Open
P8-8
from Chapter 8.
B. Create a layer for each of the chair components: seat, legs/crossbars, seatback
bow, and seatback spindles.
C. Draw a planar surface to represent the floor. Place this on its own layer.
D. Assign materials to each of the layers. You can use materials from the Autodesk
Library or create your own materials.
E. Set the
Realistic
visual style current.
F. Adjust material mapping as needed.
G. Add lighting to the scene.
H. Render the scene. If you experience problems with the materials, try attaching
by object instead of by layer.
I. Save the drawing as P17-6.

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Drawing
Problems
-
Chapter
17
Chapter 17 Lighting
519
Copyright Goodheart-Willcox Co., Inc.
5. In this problem, you will be adding lights to a model and controlling 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 every-
thing 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.
J. Save the drawing as P17-5.

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