A grep shows canvasnum is not defined or used in plot package, it comes from the ide/jhs/core.ijs file. Which locale would you like to use, or you prefer to change it yourself?
Чтв, 16 Авг 2012, Eric Iverson писал(а): > The bug is that canvasnum is in base and it shouldn't be. It should be > in one of the plot locales so it is protected. This may be enough info > for Bill to make the fix. > > On Thu, Aug 16, 2012 at 4:29 PM, Ric Sherlock <[email protected]> wrote: > > I can confirm this issue. (64bit JHS, Win7, Firefox) > > The problem seems to be that erase names'' deletes the noun canvasnum. > > I imagine this is used to identify the canvas object the graphic is > > drawn on. Without this noun none of the plots show up. I haven't > > looked hard enough to see where this noun gets defined, but it seems > > to be created the first time a plot is drawn. However if it is > > subsequently erased it isn't recreated when plot is run a second time. > > > > On Fri, Aug 17, 2012 at 3:16 AM, Linda Alvord <[email protected]> > > wrote: > >> J7 in Chrome > >> > >> -----Original Message----- > >> From: [email protected] > >> [mailto:[email protected]] On Behalf Of Linda Alvord > >> Sent: Thursday, August 16, 2012 11:11 AM > >> To: [email protected] > >> Subject: [Jprogramming] Magically Make a Plot Disappear > >> > >> Put the script in jijs and and save it with a name: > >> > >> > >> > >> load 'plot' > >> > >> PP=:1 5 4 1;2 3 6 2 > >> > >> 'aspect 1;type poly;color red' plot PP > >> > >> > >> > >> Run the file in jijx to see the triangle, then enter: > >> > >> > >> > >> erase names '' > >> > >> > >> > >> Locate the file you save and run it again and the red triangle is gone! > >> > >> > >> > >> Should that happen? > >> > >> > >> > >> Linda > >> > >> ---------------------------------------------------------------------- > >> 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 -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
