Png support is built in on Qt but jpeg and other image formats support requires a plug-in folder under the Qt folder. However it should be already bundled with Qt lib downloaded and installed using pacman.
On Wed, 24 Nov 2021 at 5:14 AM Norman Drinkwater <[email protected]> wrote: > add 1!:43'' to the sequence Raul gave above and it show where the plots are > saved. > > On Tue, Nov 23, 2021 at 2:01 PM R.E. Boss <[email protected]> wrote: > > > OK, I ran the Package Manager, have now > > JVERSION > > Engine: j903/j64avx2/windows > > Beta-v: commercial/2021-11-16T21:47:12 > > Library: 9.03.08 > > Qt IDE: 1.9.2/5.12.10(5.12.10) > > Platform: Win 64 > > Installer: J903 install > > InstallPath: c:/program files/j903 > > Contact: www.jsoftware.com > > > > but same result as before. > > > > > > R.E. Boss > > > > > > -----Original Message----- > > From: Programming <[email protected]> On Behalf > Of > > Devon McCormick > > Sent: dinsdag 23 november 2021 20:39 > > To: J-programming forum <[email protected]> > > Subject: Re: [Jprogramming] saving an image as jpg fails > > > > I get the error "First display an isigraph Plot." when I run this from > > jconsole but it works fine from a JQt session. This is under J 9.03.07. > > > > On Tue, Nov 23, 2021 at 12:44 PM Raul Miller <[email protected]> > > wrote: > > > > > They are stored in jpath '~install' > > > > > > But, for example, this creates both image files, also: > > > > > > load'plot' > > > pd 'reset' > > > pd p:i.10 > > > pd 'show' > > > pd 'save png "/tmp/example.png"' > > > pd 'save jpg "/tmp/example.jpg"' > > > > > > And, this also gives me both files: > > > > > > pd 'save png "',(jpath '~user'),'/example.png"' > > > pd 'save jpg "',(jpath '~user'),'/example.jpg"' > > > > > > FYI, > > > > > > -- > > > Raul > > > > > > On Tue, Nov 23, 2021 at 11:52 AM R.E. Boss <[email protected]> > wrote: > > > > > > > > If I copy your example, I have no clue where the files are stored, > > > definitely not in my user directory. > > > > If I let the name precede by the folder indication, then example.png > > > works, but the .jpg not, while nothing happens. > > > > (In the first attempts today, with beta-u, an empty .jpg file with > > > > the > > > correct name was created.) > > > > I am not succeeding in creating any file(name) with fwrite, but that > > > > is > > > probably my inexperience. > > > > > > > > > > > > R.E. Boss > > > > > > > > > > > > -----Original Message----- > > > > From: Programming <[email protected]> On > > > > Behalf > > > Of Raul Miller > > > > Sent: dinsdag 23 november 2021 17:04 > > > > To: Programming forum <[email protected]> > > > > Subject: Re: [Jprogramming] saving an image as jpg fails > > > > > > > > It seems to work for me. > > > > > > > > I ran: > > > > > > > > load'plot' > > > > pd 'reset' > > > > pd p:i.10 > > > > pd 'show' > > > > pd 'save png "example.png"' > > > > pd 'save jpg "example.jpg"' > > > > > > > > And this created an example.png and an example.jpg file in my j903 > > > directory. > > > > > > > > JVERSION > > > > Engine: j903/j64avx2/darwin > > > > Beta-v: commercial/2021-11-16T22:02:28 > > > > Library: 9.03.07 > > > > Qt IDE: 1.9.3/5.15.2(5.15.2) > > > > Platform: Darwin 64 > > > > Installer: J903 install > > > > InstallPath: /users/rauldmiller/applications/j903 > > > > Contact: www.jsoftware.com > > > > > > > > What happens for you? (Any error messages? Can you create a file > > > > with > > > that name using fwrite?) > > > > > > > > Thanks, > > > > > > > > -- > > > > Raul > > > > > > > > On Tue, Nov 23, 2021 at 10:49 AM R.E. Boss <[email protected]> > > wrote: > > > > > > > > > > Any reason why > > > > > pd 'save jpg "filename.jpg"' > > > > > does not work anymore, whereas > > > > > pd 'save png "filename.png"' > > > > > still works? > > > > > > > > > > Engine: j903/j64avx2/windows > > > > > Beta-v: commercial/2021-11-16T21:47:12 > > > > > Library: 9.03.06 > > > > > Qt IDE: 1.9.2/5.12.10(5.12.10) > > > > > Platform: Win 64 > > > > > Installer: J903 install > > > > > InstallPath: c:/program files/j903 > > > > > Contact: www.jsoftware.com > > > > > > > > > > > > > > > R.E. Boss > > > > > > > > > > ------------------------------------------------------------------ > > > > > ---- 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 > > > > > > > > > -- > > > > 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 > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
