Matte Width fieldDisplays the width of the blur for the matte.

Matte Height fieldDisplays the height of the blur for the matte.

Matte Amount fieldDisplays the amount of radial blur for the matte.

Matte Rotation fieldDisplays the angle of rotation for a radial blur for the matte.

Matte Length fieldDisplays the radius amount of a directional blur for the matte.

Matte Angle fieldDisplays the angle of a directional blur for the matte.

Lock To Front buttonEnable to keep the matte values the same as their corresponding values for the front clip.

Expand fieldDisplays the percentage of additional blur to the matte. Editable when the Lock Expand button is disabled.

Lock Expand buttonEnable to make the Expand value directly proportional to the blur value in the Width field.

Auto Matte buttonEnable to generate matte values from the front clip.

Max Level fieldDisplays the upper limit of the luminance values included in the glow effect.

Min Level fieldDisplays the lower limit of the luminance values included in the glow effect.

Invert Matte buttonEnable to blur the region outside the area defined by the matte.

Premultiply buttonEnable to multiply the matte clip to the front clip.