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Using the Scale and Skew Controls in the Diamond Keyer

Creating a Secondary by Keying a Range of Colours

Removing Stray Pixels from a Key

 

Secondary Colour Grading > Creating a Secondary by Keying a Range of Colours > 

Modifying the Edges of the Key

You can shrink, erode, or blur the edges of a key. Shrink a key to remove pixels from the edge of the key. Erode a key to blend the light and dark edges. Blur a key to apply a softening filter to its edge.

To shrink or erode the edge of the key:

1. View the secondary in the Player. Press F11 to toggle between Matte view and Secondary view.
2. Fine-tune the edge of the key:
   • To shrink the edge of the key, drag the Shrink slider to the left.
   • To erode the edge of the key, drag the Shrink slider to the right.

   
   

To blur the edge of the key:

1. View the secondary in the Player. Press F11 to toggle between Matte view and Secondary view.
2. Drag the Blur slider to the right.

   
   

   The edge of the key is softened.

   Before Images courtesy of Hungarian Academy of Film & Theatre, 3rd year

   After