Hi Bill, I have the same versions of all packages as you on both Linux and Windows. On Linux I can successfully read and write jpg and png. On Windows I can read and write png, but not jpg.
readimg_jqtide_ 'toucan.png' NB. works fine on Windows & Linux readimg_jqtide_ 'toucan.jpg' NB. works on Linux but not Windows 'writetoucan.png' writeimg_jqtide_~ readimg_jqtide_ 'toucan.png' NB. works fine on Windows & Linux 'writetoucan.jpg' writeimg_jqtide_~ readimg_jqtide_ 'toucan.png' NB. works fine on Linux but not Windows Cheers, On Wed, May 10, 2017 at 1:43 PM, bill lam <[email protected]> wrote: > Thanks Ric for the procedure, but I can not reproduce the issue > on j805 linux64 with the latest addons. My environment > JVERSION > Engine: j806/j64avx/linux > Beta: commercial/2017-04-30T15:56:43 > Library: 8.05.14 > Platform: Linux 64 > Installer: unknown > InstallPath: /usr/share/j/8.05 > Contact: www.jsoftware.com > > 1!:0 jpath'~temp/toucan*' > +----------+------------------+-----+---+------+----------+ > |toucan.png|2017 4 12 19 20 18|20278|rw-|------|-rw-r-----| > +----------+------------------+-----+---+------+----------+ > |toucan.jpg|2017 4 12 19 20 18|7497 |rw-|------|-rw-r-----| > +----------+------------------+-----+---+------+----------+ > > 3{."1 'search'jpkgv'qt' > +------+-------+-------+ > |ide/qt|1.1.118|1.1.118| > +------+-------+-------+ > 3{."1 'search'jpkgv'graphics' > +----------------+-------+-------+ > |graphics/afm |1.0.14 |1.0.14 | > |graphics/bmp |1.0.13 |1.0.13 | > |graphics/cairo |1.0.8 |1.0.8 | > |graphics/color |1.0.17 |1.0.17 | > |graphics/d3 |0.0.7 |0.0.7 | > |graphics/fvj4 |1.0.16 |1.0.16 | > |graphics/gl2 |1.0.93 |1.0.93 | > |graphics/gnuplot|1.0.6 |1.0.6 | > |graphics/graph |1.0.21 |1.0.21 | > |graphics/jpeg |1.0.17 |1.0.17 | > |graphics/pdfdraw|1.0.5 |1.0.5 | > |graphics/plot |1.0.182|1.0.182| > |graphics/png |1.0.25 |1.0.25 | > |graphics/print |1.0.16 |1.0.16 | > |graphics/treemap|1.0.15 |1.0.15 | > |graphics/viewmat|1.0.82 |1.0.82 | > +----------------+-------+-------+ > > > Ср, 10 май 2017, Ric Tikkanz написал(а): > > When I start a j805 jconsole on Windows 7, then load 'ide/qt/qtlib' > > I can successfully read and write png files using readimg_jqtide_ and > > writeimg_jqtide_, > > but if I try and read a jpeg image file, I also get an empty matrix of > > shape 0 0 that Devon reports above. > > > > load 'ide/qt/qtlib' > > $readimg_jqtide_ jpath '~temp/toucan.png' > > 144 200 > > $readimg_jqtide_ jpath '~temp/toucan.jpg' > > 0 0 > > > > > > JVERSION > > Engine: j805/j64/windows > > Release: commercial/2016-12-11T08:02:16 > > Library: 8.05.14 > > Platform: Win 64 > > Installer: J805 install > > InstallPath: c:/program files/j64-805 > > Contact: www.jsoftware.com > > > > On Wed, May 10, 2017 at 8:17 AM, Devon McCormick <[email protected]> > wrote: > > > > > Now the mystery deepens: despairing of figuring out what I'd done > > > previously to "fix" J (allow it to load the JQt image libraries even > when > > > running from jconsole), I installed J 8.04 on my new machine in > preparation > > > of diff'ing it against my customized version but, to my surprise, the > image > > > library works fine under jconsole in 8.04 without me changing > anything. It > > > still fails under J 8.05. > > > > > > This was a fresh install, downloaded from Jsoftware.com, so the only > > > customization remaining would be in my own startup scripts, the same > ones > > > that run under J 8.05. > > > > > > In any case, I can continue my work under J 8.04. > > > > > > On Mon, Mar 13, 2017 at 2:31 AM, Devon McCormick <[email protected]> > > > wrote: > > > > > > > OK - I'm using Windows 7 on AMD on this new machine - it may be > something > > > > to do with this configuration. > > > > > > > > On Sun, Mar 12, 2017 at 10:37 PM, bill lam <[email protected]> > wrote: > > > > > > > >> There is no recent changes in wdreadimg or jqt binaries. > > > >> I tested readimg under jconsole worked ok on linux64. > > > >> > > > >> Вс, 12 мар 2017, Devon McCormick написал(а): > > > >> > OK - but now I find that the underlying DLL call to "wdreadimg" > gives > > > >> me a > > > >> > 0 0 matrix result. However, this is a new PC, so I'm not sure > there > > > >> isn't > > > >> > something else funny going on. > > > >> > > > > >> > On Sun, Mar 12, 2017 at 5:49 AM, bill lam <[email protected]> > > > wrote: > > > >> > > > > >> > > If you are not running jqt, loading all jqt definitions can > > > >> > > cause conflicts and be harmful. If you know what you are doing, > > > >> > > you can run > > > >> > > load 'ide/qt/qtlib' > > > >> > > which enable some qt facilities for non-Qt platforms. > > > >> > > > > > >> > > Sorry for inconvenience, the changes should have happened in > > > >> > > j806 beta. > > > >> > > > > > >> > > Вс, 12 мар 2017, Devon McCormick написал(а): > > > >> > > > It looks like the problem is that I work under emacs using > > > >> jconsole, and > > > >> > > > there's a switch using "IFQT" that avoids load qtlib for me. > > > >> > > > > > > >> > > > On Sun, Mar 12, 2017 at 5:20 AM, bill lam < > [email protected]> > > > >> wrote: > > > >> > > > > > > >> > > > > Yes there was some refactorization on the image and hash > cover > > > >> > > > > verbs, but they should work as now. What is your version of > > > qtide > > > >> > > > > addon? The verb should be in jqtide locale in the file > > > >> > > > > ~addons/ide/qt/qtlib.ijs which should be loaded > automatically > > > >> > > > > while loading qtide addons. Please provide more > information so > > > >> > > > > that I can check. Thanks. > > > >> > > > > > > > >> > > > > > > > >> > > > > Вс, 12 мар 2017, Devon McCormick написал(а): > > > >> > > > > > I used to find code to read and write .JPGs in the jqtide > > > >> namespace > > > >> > > but > > > >> > > > > > this seems to have disappeared in recent versions of J - > I'm > > > on > > > >> J > > > >> > > 8.05. > > > >> > > > > > > > > >> > > > > > Did this migrate somewhere? Is here another image > > > >> reader/writer that > > > >> > > > > > people use? It seems I have to re-ask this question every > > > >> couple of > > > >> > > > > years > > > >> > > > > > because this keeps changing. > > > >> > > > > > > > > >> > > > > > Regards, > > > >> > > > > > > > > >> > > > > > Devon > > > >> > > > > > -- > > > >> > > > > > > > > >> > > > > > Devon McCormick, CFA > > > >> > > > > > > > > >> > > > > > Quantitative Consultant > > > >> > > > > > ------------------------------ > ------------------------------ > > > >> > > ---------- > > > >> > > > > > 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 > > > >> > > > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > > >> > > > > ------------------------------ > ------------------------------ > > > >> ---------- > > > >> > > > > For information about J forums see > > > http://www.jsoftware.com/forum > > > >> s.htm > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > -- > > > >> > > > > > > >> > > > Devon McCormick, CFA > > > >> > > > > > > >> > > > Quantitative Consultant > > > >> > > > ------------------------------------------------------------ > > > >> ---------- > > > >> > > > For information about J forums see > http://www.jsoftware.com/forum > > > >> s.htm > > > >> > > > > > >> > > -- > > > >> > > regards, > > > >> > > ==================================================== > > > >> > > GPG key 1024D/4434BAB3 2008-08-24 > > > >> > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > > >> > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > > >> > > ------------------------------------------------------------ > > > >> ---------- > > > >> > > For information about J forums see > http://www.jsoftware.com/forum > > > >> s.htm > > > >> > > > > > >> > > > > >> > > > > >> > > > > >> > -- > > > >> > > > > >> > Devon McCormick, CFA > > > >> > > > > >> > Quantitative Consultant > > > >> > ------------------------------------------------------------ > > > ---------- > > > >> > 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 > > > >> gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > > >> ------------------------------------------------------------ > ---------- > > > >> 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 > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > gpg --keyserver subkeys.pgp.net --armor --export 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
