User`s guide

Applying Additional Shapes
373
Lights Tab (in 3D Space)
Parameter Description
Ambient Adjusts the total amount of diffuse light on the
image.
• The default setting of 100 does not add or
subtract ambient light from the source image.
• Decrease the setting makes the image darker
before the other lights are applied.
• Ambient light illuminates or darkens the image
evenly and is unaffected by any other lighting
parameters.
Light tabs Click one of the three numbered to adjust the
controls for that light.
• Select the option next to the tab to turn on a
light.
• Leave the option deselected to turn off the light
source.
• Deselect these parameters to turn off the lights.
Viewing each light individually is useful if you want
to work with one light at a time.
Type menu Determines the type light source. The options
include:
Point. Combines both focused (specular) and
diffuse light. You can use this Light Type to create
the appearance of a shiny surface lit by a point light
source.
Spot. Simulates the look of a traditional theatrical
spotlight. Spot creates a small spot of intense light
whose falloff can vary.
Distant. Creates a non-directional infinitely distant
diffuse light similar to sunlight.