Minimum Input fieldDisplays the lower limit of the luminance values. Pixels with lower values are mapped to black.

Maximum Input fieldDisplays the upper limit of the luminance values. Pixels with higher values are mapped to white.

Inner Width fieldDisplays the width of the inner edges of the matte.

Outer Width fieldDisplays the width of the outer edges of the matte.

Width Proportional buttonEnable to affect the inner and outer width proportionally.

Inner Softness fieldDisplays the level of softness on the inner edges of the matte.

Outer Softness fieldDisplays the level of softness on the outer edges of the matte.

Softness Proportional buttonEnable to affect the inner and outer softness proportionally.