AutoCAD 2008 User's Guide > Create Realistic Images and Graphics > Materials and Textures > Using Maps for Added Realism > Use Map Channels for Added Realism > Opacity Map > 
Opacity Map
Concept Procedure Quick Reference
 
 
 

To assign an Opacity map to a material

  1. In the Materials window, in the Maps section, select Opacity map.
  2. Select the Map Type such as Texture Map, orprocedural maps such as Checker, Marble, Noise, and so on.
  3. For Texture map, select Image. For procedural maps, Click for “map type” Settings (button with the down arrow and circles) for procedural map property settings.
  4. To preview the swatch, click the Preview Map Channel Procedural Results button.
  5. Use the Opacity map slider to change the settings.
 Toolbar: Render 
 Command entry: MATERIALS