I was not able to reproduce the issue in j9.4 (nor in the j9.5 beta) That said, I had performed install'all'
before attempting. FYI, -- Raul On Mon, May 22, 2023 at 1:13 PM Devon McCormick <[email protected]> wrote: > > I was able to get this to work by setting up a drawing window like this > before trying "0 255 0 dpoly p1": > > _2 _3 2 3 dwin 'example' > > > > On Mon, May 22, 2023 at 4:09 PM Devon McCormick <[email protected]> wrote: > > > Trying to reproduce this error, I get a different error at the same step > > (for version 9.4.22 on Windows 10 running JQt): > > > > |value error: SC > > > > | Y=.x:^:_1 SC 2{."1 y > > > > I will look into this and report what I find. > > > > > > On Mon, May 22, 2023 at 4:03 PM Nils Reuße <[email protected]> wrote: > > > >> Hi all, > >> > >> I bought Part 1 of Cliff Reiters book "Fractals, Visualization and J, > >> Fourth edition“ and am trying out the introduction examples. > >> > >> It first tells me to load an add-on, dwin.ijs [1], and then to create a > >> window, which works: > >> > >> load '~addons/graphics/fvj4/dwin.ijs' > >> _1 _1 1 1 dwin 'hello' > >> > >> Now, some data is created in p1: > >> > >> ]p1=: |:2 1 o./ 1r4p1*i.5 > >> 1 0 > >> 0.707107 0.707107 > >> 6.12323e_17 1 > >> _0.707107 0.707107 > >> _1 1.22465e_16 > >> > >> And finally, the data is supposed to be drawn with ‚dpoly‘, which fails: > >> > >> 0 255 0 dpoly p1 > >> > >> |psel : command failed: psel > >> : wd > >> | (LF,~wd ::(''"_)'qer') (13!:8)3 > >> > >> > >> The book states that the examples were tested with J8.04, I’m on > >> J9.4.2/j64arm/darwin. There is an official repository containing the code > >> for the book [2], but it might be out of date anyways. > >> > >> Is the code incompatible with J9.4 or am I doing something wrong? > >> > >> - Nils > >> > >> > >> [1] https://github.com/jsoftware/graphics_fvj4/blob/master/dwin.ijs > >> [2] https://github.com/jsoftware/graphics_fvj4 > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > >> > > > > > > -- > > > > Devon McCormick, CFA > > > > Quantitative Consultant > > > > > > -- > > Devon McCormick, CFA > > Quantitative Consultant > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
