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1688 Chapter 16: Material Editor, Materials, and Maps
Composite Map
Material Editor > Maps rollou t > Click a Map button. >
Material/Map Browser > Composite
Composite map combines stars, moon, and a glow into the sky.
TheCompositemaptypeismadeupofothermaps
(page 3–968), which are overlaid on top of one
another using the alpha channel (page 3–907).For
this type of map, use overlay images that already
containanalphachannel.
The controls for a Composite map are essen tially a
list of the maps it combines.
Viewports can display the multiple maps in a
composite map. For multiple map display, the
display driver must be OpenGL (page 3–841) or
Direct3D (page 3–844).Thesoftware display driver
(page 3–840) does not support multiple map
display.
Pr ocedur es
To assign a map:
1.
In the Composite Parameters rollout, click a
map button.
The Browser is displayed.
2. Cho ose a map type.
To change the number of maps to composite:
1.
In the Composite Parameters rollout, click Set
Number .
2. In the subdialog, choose the number of maps
you want, and then click OK.
Wa rn in g : If you reduce the number of maps, previously
assigned maps can b e lost.
Interfa ce
Set Number—Sets the number of maps to b e
composited.
Map 1, Map 2, and so on—Choose the button to add
a map. Use the check boxes to enable or disable
the associated map.
If there are more maps than the Material Editor can
display in the Composite Parameters rollout, use
the scroll bar on the right to move among them.