In the selection list next to the symbols you can choose the color of the active light
source. If desired, click the button to open a color palette dialog, where you can
define your own color and also adjust the brightness. For the first light source, it is
best to retain the neutral color value (default is white); with several light sources it is
advisable to reduce the brightness.
In the lower right corner of the menu the light source location and orientation is
depicted. With the vertical slider bar you can adjust the lighting angle; with the
horizontal bar the light is rotated about the object. Alternatively you can click on the
light point and drag the point as you please (see Figure 157). Click on the small
square in the bottom right (circled) to change the preview image from a sphere to a
cube.
To apply the changed settings to the selected object, click on the the Assign button
.
The use of additional light sources can result in some interesting effects.
Chapter 7 Working with 3D Objects 127
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