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Screen

Screen effects that place the image inside a CRT's glass face.

Screen surface

Parameter Description
Curvature Screen curvature (barrel distortion centered on the layer).
Edge Falloff Darkens the screen edges.
Halation Very wide glow across the screen. Requires Glow Radius above 0.
Highlight Rolloff Soft-clips highlights for a smoother transition into overexposure.

Signal and synchronization

Parameter Description
Ringing Decaying oscillation to the right of edges, simulating a signal's transient response.
Refresh Bar A band of refresh flicker moving vertically.
Convergence RGB misconvergence: red shifts left and blue shifts right.
Color Bleed Horizontal smearing of the red/blue channels, like NTSC chroma smear.
Sync Loss Vertical sync loss. The image rolls vertically, with a dark band at the wrap point.

Overlays

Parameter Description
CRT Mask RGB subpixel pattern: Aperture Grille (vertical stripes) or Shadow Mask (staggered triads). Energy is preserved so the pattern does not change overall brightness.
CRT Mask Pitch / Amount Pattern period, in pixels, and strength.
Graticule Oscilloscope grid and center crosshair. Applied before curvature, so it sits on the screen surface.
Graticule Cells Number of grid divisions.