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Home: Inferno

 

Adjusting the Grain Size

Adding and Removing Film Grain

Defining the DeGrain and ReGrain Area

 

Pre-processing > Adding and Removing Film Grain > 

Adding Grain with a Matte

You can add grain using a matte, in which case grain is added to the clip only through the white or black areas of the matte, depending on which Matte option you select.

To add grain using a matte:

1. Load a matte clip into ReGrain:
   • If you are accessing ReGrain from the desktop, click ReGrain, select Front Back Matte from the Input Mode box, and then select the front, back, and matte clips that you want to load.

   
   

   • If you are accessing ReGrain in Batch, parent the output that you want to use as the matte to the matte input socket.
2. Select an option from the Matte box.

   
   

   Select:	To:
   Matte On	Add grain to part of the image corresponding to the white part of the matte.
   Matte Invert	Add grain to part of the image corresponding to the black part of the matte.
   Matte Off	Add grain to the entire front clip.

   TipYou can also turn off the Back clip by selecting Back Off from the Back button.
3. If you accessed ReGrain in Batch, unparent the matte clip to disable it.
   TipTo invert the matte, use a Negative node or select Matte INV.