CompuServe Messages

Hi, both of you. The screen you use for a halftone picture surely defines the detail and therefore the quality of the picture you reproduce. But the resolution of the output device in combination with the screen frequency make up the possible numbers of colors reproduced. That is, postscript is able to give you 256 colors (or shades of grey to be exact). To display 256 colors, you need a matrix of 16×16. Given the resolution of your printer you could easyly calculate the biggest frequency you could use to get all colors possible. The other way round: the higher the frequency you use, the lesser colors you'll get! … over the ocean Jochen, Stuttgart, Germany with AutoPilot