Rectangular Alpha Mask

kdenlive2304_effects-rect_alpha_mask.webp

Description

Creates a rectangular alpha-channel mask. Its size and position is defined by the values for its edges (left, right, top, bottom).

Parameters

Parameter

Value

Description

Invert

Switch

Invert the selection

Left

Integer

Defines the left edge of the rectangular in number of pixels from the left of the frame

Right

Integer

Defines the right edge of the rectangular in number of pixels from the right of the frame

Top

Integer

Defines the top edge of the rectangular in number of pixels from the top of the frame

Bottom

Integer

Defines the bottom edge of the rectangular in number of pixels from the bottom of the frame

Blur

Integer

Defines the number of pixels around the edge of the rectangular where feathering takes place. Default is 0 (hard edge).

Screenshot

kdenlive2304_effects-rect_alpha_mask

Rectangular Alpha Mask effect panel and example

Notes

This effect was previously called Mask0Mate and is the frei0r mask0mate MLT filter.