Wiktionary
rastering
n. The rendering of an image using rasters
Usage examples of "rastering".
Another one will occur at the end of every other line until the rastering has proceeded to the last pixel at the bottom right-hand corner of the screen and completed a single grave-rubbing.
This time, the transition from star-streaks to a human face was much less smooth, fragmented around the edges in a way that meant the transmitter was calibrated for a different type of rastering system and had been transformed to fit our screen.
The simple laptop computer, with its limited capability, built up each photo a line at a time, rastering back and forth across the screen like the pictures sent by an interplanetary probe from deep space.