Very nice demo, Bill. ...And it verifies for me that html canvas works fine on Firefox (8.0.1) for the Mac. (Ditto Safari, ditto Chrome, with excellent visual similarity between all 3.)
I think canvas is going to become my general-purpose graphics display technique of choice. On Sat, Dec 3, 2011 at 1:07 AM, bill lam <bbill....@gmail.com> wrote: > There was a mismatch for suffix htm vs html, please update plot package > (to 1.0.17) and test again. > > Птн, 02 Дек 2011, Kip Murray писал(а): >> The rough edges include absence of ~addons/ide/jhs/jplotdemos.ijs . I >> found jplotdemo.ijs and tried it instead. After several iterations of >> installing addons required by jplotdemo.ijs I was able to do >> >> plotdemo >> NB. requires JAL graphics/plot and graphics/afm installs >> NB. requires JAL general/misc and math/misc installs >> NB. plotdemos 0 through jplot 54 create html plot files >> plot 10?10 >> plotdemos 1 >> plotdemos 10 >> plotdef 'show';600 300 NB. jhsshow width height >> plotdemos 10 >> plotdef 'link';400 200 NB. jhslink >> plotdemos 25 >> plotdef 'none';600 300 NB. create ~temp/plot.html without show or link >> plotdef 'show';600 300 NB. jhsshow >> plotdemos 54 >> >> but none of the listed commands would work correctly with Google Chrome. >> For example, >> >> plot 10?10 >> >> led to a window with address http://127.0.0.1:65001/~temp/plot.html >> and Chrome error message >> >> No data received >> Unable to load the webpage because the server sent no data. >> Here are some suggestions: >> Reload this webpage later. >> Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection >> without sending any data. >> >> This was a typical response to the commands I tried. >> >> However, when I used Windows Explorer to find file >> >> C:\Users\Kip Murray\j701-user\temp\plot.htm >> >> and clicked on the file name in Windows Explorer, a J Plot window opened >> showing a jagged line plot passing through ten random points, on a >> "graph paper" grid with labels i.10 on the x and y axes. >> >> So something is working! >> >> It appears to me ~temp/plot.html was incorrect identification of the >> html file. >> >> >> On 12/2/2011 12:34 PM, Eric Iverson wrote: >> > Thanks to a significant contribution by Bill Lam we now have much of the J6 >> > native J plot facility in J7 JHS! >> > >> > This provides plotting in JHS similar to what was available in J6 without >> > the requirement for gnuplot and without the limitations of Google Charts. >> > >> > The plot output is an html file that draws on the html5 canvas element. >> > This is similar to the new gnuplot facility and uses the same jhsshow, >> > jhslink, and related facilities. >> > >> > There are still rough edges that need work, but I strongly encourage you to >> > take an initial look. >> > >> > Use JAL to update JHS then shutdown and restart JHS server. >> > >> > browse to jijx >> > load'~addons/ide/jhs/jplotdemos.ijs' >> > plotdemo >> > >> > One of the big problems in getting labs to run in JHS was that J6 plot >> > wasn't supported. With this new support it should be much easier to get >> > more of the labs running cleanly on JHS. >> > >> > This plot facility will work on your iPad! >> > ---------------------------------------------------------------------- >> > 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
