Glitch

Scanlines

CRT line scan — the raster you saw through the glass.

Scanlines: a glitch effect on the built-in sample photograph. Computed on your machine right now.
Open Scanlines in the studio

Controls

period
How many source rows make one scan line. The whole texture of the effect is this number
thickness
How much of each period the dark line covers
darkness
How dark the line goes. Full black is a hard mask; lower leaves the picture visible through the raster
curvature
Bends the lines the way a tube face does, so they bow away from the middle of the screen
phase
Slides the whole raster across the frame, which decides which details fall in a gap
vertical
Turns the raster on its side — an aperture grille rather than a scan

Starting points

Nearby in Glitch