STILL - Reference Manual

Masks

Chroma Key

Removes green or blue background from a photo and replaces it with another background image, color or texture.

STILL - Chroma key

Color: Selects the color to make transparent.

Tolerance: Controls the width of the range of hues to be considered as key color.

Softness: Adds a gradual transition from opaque to transparent. Larger values yield softer edges and lower values yield harder edges and a more restrictive key.

Sharpness: Use this parameter to adjust the linearity of the edge transition slope. Lower values make the transition more linear, while larger values make the transition steeper increasing the sharpness of the edges.

Feather: Blurs the edges of the matte.

Spill Suppression: Enables or disables spill suppression.

Spill Replacement: Recolorize the spill area with the selected color.

Color Mask

Makes the selected color of the image transparent.

STILL - Color mask

Channel: Channel to use for color selection (RGB, Hue, Chromiance).

Color: Color to mask.

Tolerance: Color tolerance.

Smoothness: Edge opacity smoothness.

Opacity: Opacity of the mask.

Invert: Invert masked area.

Rectangle Mask

Creates a rectangular mask.

STILL - Rectangular mask

Roundness: Corner roundness of the rectangle.

Scale: Mask scale.

Smoothness: Borders smoothness.

Circular Mask

Creates a circular shape mask.

STILL - Circular mask

Scale: Mask scale.

Smoothness: Borders smoothness.

Star Mask

Create a star shape mask.

STILL - Star mask

Points: Number of vertices of the star.

Radius: Inner radius of the star shape.

Scale: Mask scale.

Smoothness: Borders smoothness.

Polygon Mask

Creates a polygon shape mask.

STILL - Polygon mask

Points: Number of vertices of the polygon.

Scale: Mask scale.

Smoothness: Borders smoothness.

Shape Mask

Creates a mask from a shape loaded from file.

STILL - Shape mask

Shape File: An SVG file contaning a single closed path.

Scale: Mask scale.

Smoothness: Borders smoothness.