Article View: comp.lang.postscript
Article #7200Re: PostScript scaling off?
From: Mark Rowe
Date: Wed, 25 May 1988 17:07
Date: Wed, 25 May 1988 17:07
19 lines
1185 bytes
1185 bytes
>>From this I would expect to get a 5 inch long horizontal line. However, it >>is actually about 1/32 inch too long. Is it too much to expect better than >>1/32 inch (~10 pixels or ~0.5%) accuracy, or is this known to be what happens >>in a LaserWriter Plus and perhaps other printers as well? > >Talk to a printer. You'll find out that one point is not >exactly* 1/72 of one inch (pretty darn close, tho.) One >point is 1/72.27 of an inch. (See the red book for all >the truly gory details.) The fact that one point is actually 1/72.27 of an inch will not explain any inaccuracy in output of a PostScript file. In PostScript the basic unit is exactly 1/72 of an inch independent of rather or not this is actually one point. Mark Rowe Hewlett Packard Corvallis, Oregon mark%hpcvlx@hplabs.HP.COM
Technical Details
Message-ID:
<510008@hpcvlx.HP.COM>Path:
arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-tis!ames!pasteur!ucbvax!hplabs!hp-pcd!hpcvlx!markReferences:
<313@elan.UUCP>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-tis!ames!pasteur!ucbvax!hplabs!hp-pcd!hpcvlx!mark From: mark@hpcvlx.HP.COM (Mark Rowe) Newsgroups: comp.lang.postscript Subject: Re: PostScript scaling off? Message-ID: <510008@hpcvlx.HP.COM> Date: 25 May 88 17:07:55 GMT References: <313@elan.UUCP> Organization: Hewlett-Packard Co., Corvallis, OR, USA Lines: 18