Adds an alpha band to the source raster derived from the luminance of the raster's color bands.
| Implemented Interface | 
|---|
| IAgStkGraphicsAlphaFromLuminanceFilter | 
| IAgStkGraphicsRasterFilter | 
| STK Graphics Primitives | Send comments on this topic. | 
| AgStkGraphicsAlphaFromLuminanceFilter Object | |
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| Implemented Interface | 
|---|
| IAgStkGraphicsAlphaFromLuminanceFilter | 
| IAgStkGraphicsRasterFilter |