She's explicitly adding that point to the set of points. Without it, the borders collapse to just show the triangle and not the empty space
FYI, -- Raul On Tue, Sep 5, 2017 at 4:18 AM, bill lam <bbill....@gmail.com> wrote: > Linda, I tried your script on jandroid, it failed with an ill format number > error in the line, > ]M=:0,.(0,L,0),.0n > > The last 0n should be just 0. > I think. > > Also there is an extra point on the top right corner, is that expected? > > On Sep 5, 2017 3:49 PM, "Linda Alvord" <lindaalv...@verizon.net> wrote: > > Something happened when I sent this earlier. Sorry > > load 'plot' > ]x=:i:S=:10 > ]L=:|.x<:/(%:3)+(-%:3)*|x > ]M=:0,.(0,L,0),.0n > f=: 13 :'<"1 |.|: ($,$#:[:I.,)y' > 'point;aspect 1;pensize 20' plot f|.M > > > > > > From: Linda Alvord [mailto:lindaalv...@verizon.net] > Sent: Monday, September 4, 2017 8:48 PM > To: lindaalv...@verizon.net; programm...@jsoftware.com > Subject: Re: [Jprogramming] paint equilateral triangle in plot > > > > Much better, thanks to Raul. Try on your phone. > load 'plot' > ]x=:i:S=:10 > ]L=:|.x<:/(%:3)+(-%:3)*|x > ]M=:0,.(0,L,0),.0n > f=: 13 :'<"1 |.|: ($,$#:[:I.,)y' > 'point;aspect 1;pensize 20' plot f|.M > > Linda > > Sent from AOL Mobile Mail > > _____ > > On Saturday, September 2, 2017 Linda Alvord <lindaalv...@verizon.net > <mailto:lindaalv...@verizon.net> > wrote: > Nice! Maybe it will be even simper if I chop it back into little pieces. > Linda > > -----Original Message----- From: Programming [mailto:programming-bounces@ > forums.jsoftware.com <mailto:programming-boun...@forums.jsoftware.com?> ] > On Behalf Of Raul Miller Sent: Saturday, September 2, 2017 1:37 PM To: > Programming forum <programm...@jsoftware.com <mailto:programming@jsoftware. > com> > Subject: Re: [Jprogramming] paint equilateral triangle in plot Do > you mean like this? load 'plot' E=:(%:3) (] <:/ [ - (* |)) _,~_,i:20 > 'point;aspect 1;pensize 10' plot <"1|.|:($, $ #: I.@,)E <mailto:I.@,)E> > Thanks, -- Raul On Sat, Sep 2, 2017 at 1:00 PM, Linda Alvord < > lindaalv...@verizon.net <mailto:lindaalv...@verizon.net> > wrote: > > > It > has rounded vertices and lumpy sides and uses too much paint. > > > Experiment with S and pensize. > > > > load 'plot' > ]xx=:i:s=:20 > > ]yy=:(%:3)+(-%:3)*|xx > ]D=:|.xx<:/yy > ]E=:|.0,.(0,D,0),.0 > ]t=:0{$E > > ]x=:t#i.t > ]y=:(*:t)$i.t > ]A=: x;y > ]B=:|:>AI=:($E),"2(,E)#B > ]J=:|.<"1 > |:I > 'point;aspect 1;pensize 10' plot J > > Please share ways to of ways > to simplify this. Thanks. > Linda > > > Linda > > > Experiment with S and > pensize. > > > > load 'plot' > > ]xx=:i:s=:20 > > ]yy=:(%:3)+(-%:3)*|xx > > > ]D=:|.xx<:/yy > > ]E=:|.0,.(0,D,0),.0 > > ]t=:0{$E > > ]x=:t#i.t > > > ]y=:(*:t)$i.t > > ]A=: x;y > > ]B=:|:>A > > I=:($E),"2(,E)#B > > ]J=:|.<"1 > |:I > > $J > > 'point;aspect 1;pensize 10' plot J > > Let me know of ways > to simplify this. Thanks. > > > > Linda > > > > Sent from AOL Mobile Mail > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For > information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For > information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
