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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