X-Received: by 10.50.43.168 with SMTP id x8mr3343656igl.4.1410574301543; Fri, 12 Sep 2014 19:11:41 -0700 (PDT) Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!r10no1153622igi.0!news-out.google.com!ht4ni7221igb.0!nntp.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Fri, 12 Sep 2014 21:11:40 -0500 From: Scott Hemphill Newsgroups: comp.lang.postscript Subject: Re: Correct or error in GhostScript References: <87oaukle4g.fsf@Equus.decebal.nl> <87k358l98d.fsf@Equus.decebal.nl> <1mj0vk2cyv8lc.tqiaakpsmhyz$.dlg@40tude.net> Reply-To: hemphill@alumni.caltech.edu Date: Fri, 12 Sep 2014 22:11:40 -0400 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:d5gCw0c0yraGnZ1r3lRrAHQHgV4= MIME-Version: 1.0 Lines: 37 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-jP1PysG00lOFqXZrHeIFqkVzJwx9+D0GlDQqRjW56wsJW+aUpkoyBZ19Ljro8vviKxu+Nv1KODav9E5!UITdZjNobQc8qKBJURM/V+ZWue4oV9+9t38z7klOuO9xUud+GKRCaMc= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2185 Content-Type: text/plain; charset=us-ascii Xref: csiph.com comp.lang.postscript:2046 tlvp writes: > On Sat, 13 Sep 2014 01:17:22 +0200, Cecil Westerhof wrote: > >> But: >> 30 30 10 360 90 arc stroke >> does draw a quarter circle. > > And just so 30 30 10 360 0 arc stroke draws a zero-fraction circle. > One point. That at the far right on the equator, at elevation 360 (or, if > you prefer, at elevation 0). Probably too thin to see. (Cf. my response > just moments ago to your OP :-) .) Cheers, -- tlvp Which you can see on the standard output like so: GS>/m { = = (moveto) = } def GS>/l { = = (lineto) = } def GS>/c { = = = = = = (curveto) = } def GS>/cl { (closepath) = } def GS>30 30 10 360 0 arc /m load /l load /c load /cl load pathforall 29.999 39.9987 moveto 29.999 39.9987 29.999 39.9987 29.999 39.9987 curveto (I did't bother reversing the order of the arguments.) Scott -- Scott Hemphill hemphill@alumni.caltech.edu "This isn't flying. This is falling, with style." -- Buzz Lightyear