The compositing (combined) added the different passes to each other.
The option “Compositing Order” is to be found within the Shield Actor.
Different blend modes can be chosen.
These define how the layer will be “added” to each other.
The option “Blend Modes” is to be found within the Shield Actor.
Example of passes which should be combined
 Background pass |
 Foreground pass |
 Live Input |
 Garbage Matte which effects the Live Input |
Compositing Order: BG Input FG
Background is the “lowest” layer
On top of the background is the live input
At the end the foreground will be added
Compositing Order: Input BG FG
Live input is the “lowest” layer
On top of the live input is the background
At the end the foreground will be added
Compositing Order: BG FG Input
Background is the “lowest” layer
On top of the background is the foreground
At the end the live input will be added
Example of passes which should be blended differently
| Live input as “base” |
 foreground pass with extreme bloom fx |
Add Alpha
Blend mode “Alpha” with consideration of the alpha channels.
Screen Alpha
Blend mode “Screen” with consideration of the alpha channels.
Lighten Alpha
Blend mode “Lighten” with consideration of the alpha channels.
Add
Blend mode “Alpha” without consideration of the alpha channels.
Screen
Blend mode “Screen” without consideration of the alpha channels.
Lighten
Blend mode “Lighten” without consideration of the alpha channels.