Maybe add a line to your entry that tells where you can download J ? 2008/11/18 Raul Miller <[EMAIL PROTECTED]>
> I was going to add Oleg's and my version of the dragon curve to the > rosetta code page, but I am not seeing the confirmation code graphics > so I can not register nor post anonymously there. > > If someone else could add an entry for J, I would appreciate it. > > Also, if someone could identify the name of the host which provides > the confirmation code graphics, so I can check my firewall settings, I > would appreciate it. > > Thanks, > > -- > Raul > > P.S. The rosetta code page for dragon curve is > > http://rosettacode.org/wiki/Dragon_curve > > and here is my proposed entry: > > =={{header|J}}== > > require 'plot' > start=: 0 0, 1 0,: 1 1 > step=: ],{: +"1 (2 2$0 _1 1 0) +/ .*~ |[EMAIL PROTECTED]: -"1 {: > plot<"1|:step^:12 start > > In english: Start with an L shaped geometry. For each step of > iteration, retrace that geometry, but oriented 90 degrees about its > original end point. To show the curve you need to pick some arbitrary > number of iterations. > > Any L-shaped set of points is suitable for start. (For example, > -start+123 works just fine though of course the orientation and > coordinates will be different.) > > For a more colorful display, with a different color for the geometry > introduced at each iteration, replace that last line with: > > ([:pd[:<"1|:)every'reset';|.'show';step&.>^:(i.16)<start > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fugl&Fiskur ehf, Þerneyjarsundi 23, Hraunborgum Po Box 127,801 Selfoss , t-póst: [EMAIL PROTECTED] gsm: +3546985532 Landslags og skrúðgarðagerð, gröfuþjónusta http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) `. )----' (")_(")
---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
