User`s guide

Working with Shadows
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3. Select Shadows On.
4. Set the following parameters:
Opacity of the shadow.
Color of the shadow.
Elevation of the light source. A high elevation value produces a shadow that falls
directly behind the object casting the shadow. A negative elevation value cause the
object to cast a shadow in front of itself in Z space that partially covers the object.
Direction of the light source. This is the angle that it makes with the horizontal axis.
The object casts a shadow in the direction opposite that of the of the light source. For
example, if the light hits the plane from the right, it casts a shadow to the left.
Elevation=60
Elevation=25
Direction=–135
Direction=–45