Graphics Programs Reference
In-Depth Information
P . X: 53 P . Y: 6 R . H: 90
3. Choose the Details button; the Details area is displayed. In this area, make sure the
Aspect Ratio is set to 1 and then set the parameters as follows:
Inner Angle: 12 Outer Angle: 16 Contrast: 31
4. In the Attribute Manager, choose the General button; the General area is displayed.
In this area , enter 180 in the Intensity spinner and select the Shadow Maps (Soft) op-
tion from the Shadow drop-down list. Next, select Inverse Volumetric from the Visible
Light drop-down list.
The value in the Intensity spinner is used to set the brightness of the light. More the value
of intensity, brighter will be the light.
The options in the Shadow drop-down list are used to enable shadows in the scene. The
Shadows Maps (Soft) option in the drop-down list is used to enable a smooth transition
from lighting to shadow effect in the scene.
The Inner Angle spinner is used to adjust the inner angle of the standard spotlight. The
Outer Angle spinner is used to adjust the illumination of the light in total. The Aspect
Ratio spinner is used to adjust the shape of the cone of the spot light. The Contrast
spinner is used to adjust the transition between the softness and the hardness of the lit
surface.
5. Choose the Visibility button; the Visibility area is displayed. In this area, set the para-
meters as follows:
Edge Falloff: 60 Inner Distance: 227 Outer Distance: 538
Sample Distance: 65
The value of the Edge Falloff spinner specifies the speed at which the density of light de-
creases when it moves towards the cone of the spotlight.
After entering these values, you need to render the scene in the Perspective viewport to get
the result, as shown in Figure 6-4.
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