Archived from groups: comp.periphs.printers (
More info?)
Andrew Rossmann <andysnewsreply@no_junk.comcast.net> wrote in message news:<MPG.1b3a78bfa6ae12239899f9@news.comcast.giganews.com>...
> [This followup was posted to comp.periphs.printers and a copy was sent to
> the cited author.]
>
> In article <27b6ed03.0406151510.58892688@posting.google.com>,
> tomcees_pc@yahoo.com says...
> > Hello:
> >
> > Can anyone tell me what exactly is the difference between hpgl2 and hpgl?
> >
> > I believe that hpgl2 simply has an expanded command set. What are these?
>
> There are many extra commands and extensions to commands. A few I can
> think of off the top of my head:
> Default 0,0 is in the corner instead of the center
> extra rotations (180 and 270)
> BP (Begin Plot)
> QL (Quality Level)
> PC (Pen Color)
> PW (Pen Width)
> PP (Pixel Placement)
> LA (Line Attributes)
> many others I can't think of right now. The above were the biggest effect
> on what I wrote for. Many of the enhancements were to support raster-mode
> (laser/inkjet) enhancements that the old vector pen plotters couldn't do.
Thanks Andy. This is most helpful information.
TomCee