Pressing 'u' unzooms, 'p' and 'n' go to the previous and next zoom level. More importantly, pressing 'h' while the plot window is active displays all options in the gnuplot terminal window. (Pressing 'h' does not display help when gnuplot is run through Octave.)
Tony Richardson bagvian wrote: > Subject: Re: [OctDev] Fwd: Octave 3.2.0 backend on MS Vista > > Dear Tatsuro, > > Many thanks for your exhaustive explanation. > > >From a general point of view I would perfectly be happy to use gnuplot > as a backend for Octave. It is a very nice piece of software that I > frequently use to display data. The problem I am facing here is that > gnuplot backend in Octave cannot be better than gnuplot itself. > > In other words : > Say that you have got x y data saved in a text file called tmp.txt. > For example looking like : > 1 1 > 2 4 > 3 -1 > 4 2 > 5 5 > 6 0 > > You want to display these data with gnuplot. Just launch gnuplot and > type something like : > set term x11 > plot "tmp.txt" using 1:2 w linespoints > > On the graph you get you can zoom-in by defining an area by > right-clicking as you explained in your email, but you cannot zoom-out > say 1-level out for example. > This is precisely the same problem I encounter when trying to display > data with Octave through gnuplot backend : I can zoom-in but cannot > zoom-out. > The only silly solution I found both for gnuplot and Octave to > zoom-out is to kill the figure and draw it again. > > Anybody has got a better solution? > > When using a piece of software to display big amount of detailed data > you absolutely need to be able to very rapidly zoom-in and out at > different positions to focus on what you are looking for. This is what > I often do and unfortunately I cannot use either of these software > that I enjoy using at any other occasion. > > Maybe it can be done, but in that case I do not know how and I would > be very glad to learn this trick. > > Thanks again for the answers you have sent. > > Regards, > JB > > > 2009/7/22 Tatsuro MATSUOKA: > > Hello > > > > In the past, there existed two different distributions Octave for > windows. > > The one is octave build by MSVC (maintainer Michael Goffioul) and the > other is octave built by MInGW > > (maintainer Benjamin Lindner). > > > > The jhandle package is developed by Michael Goffioul and it was > bundled with the octave for windows > > distribution built by MSVC. > > > > Howeever, unfortunately, the distribution of the octave by MSVC was > stopped by the license issue of > > the between GPL and Microsoft License. > > > > So the current distribution of octave for windows is now only > distributed by Benjamin Lindner, which > > is built by MinGW complier. This distributions have not included the > jhandle package since the > > distribution of octave 3.0.2. Therefore it is not surprising that > there is no Jhandle in current > > windows distribution of octave. > > > > In the sense of mouse zooming in 2D plot is possible and rotation of > 3d plot is also possible is the > > current gnuplot backend. For mouse zooming by 2d plot it can be made > by dragging area by pressing the > > right mouse button. The rotation of 3D plot is possible by pressing > the left button of the mouse and > > move the mouse. The rotation can be possible by right, left, up and > down keys on the keyboard. > > > > It is theoretically possible to build jhandle package on the octave > built by mingw. This was already > > posted on the thread > > > > http://www.nabble.com/Octave-3.2.0-mingw-jhandles- > to24024734.html#a24030423 > > > > If you would like to use the jhandle, please try according to > Micheal's suggestion on the above > > thread. However it is hard work, I suppose. > > > > Qt octave is completely independent project from the octave and > octave-forge project so that I cannot > > say anything about it. Personally the distribution of the binary > bundled with octave 3.0.0 by Michael > > should be stopped because of the license issue. However, it depends > completely on the Qt Octave > > team. > > > > The above stories are the all I can reply to your inquiry. > > > > I hope that someone will challenge to build the jhandle package on > octave on MInGW and will tell the > > success stories here. > > > > I myself have been using gnuplot backend so far and do not want to > challenge it. > > > > Regards > > > > Tatsuro > > > > --- bagvian wrote: > > > >> ---------- Forwarded message ---------- > >> From: bagvian <bagv...@gmail.com> > >> Date: 2009/7/21 > >> Subject: Octave 3.2.0 backend on MS Vista > >> To: help-oct...@octave.org > >> > >> > >> Dear all, > >> > >> I have recently installed Octave 3.2.0 on my MS Vista computer. > >> Everything looks okay, except the graphics. > >> During the installation I did not have any chance to choose the > >> backend, therefore gnuplot has been chosen as a default backend. > >> Now, I can display graphs but I do not have access to any graphs > >> manipulation toolbar (I am particularly interested in using zoom-in > >> and zoom-out functionalities). > >> > >> In a previous Octave 3.0 installation, from the installation menu, I > >> chose jhandle which was just okay for what I am doing (toolbar with > 3 > >> buttons, among them, only 2 are functional: zoom-in and rotating). > >> Today I cannot manage to get the same kind of installation with > 3.2.0. > >> (I have to precise that I have got the JRE and so on installed on > the computer.) > >> > >> Another funny thing is that on another computer with the same MS > Vista > >> configuration, Octave 3.0 is install but it does not look the same. > >> Graphically, It more looks like what I have got with my current > >> qtoctave-0.7.2 installation: there is a toolbar with 8 buttons (copy > >> to clipboard, replot, toggle grid, apply the previous zoom settings, > >> apply the next zoom settings, apply autoscale, open configuration > >> dialog, open help dialog). I would be very glad to use this qtoctave > >> application, unfortunately, the 8 buttons from this toolbar are not > >> functional! > >> > >> Would anybody understand was is going on with these backends? > >> What would be the way to install the last Octave with a proper set > of > >> functional toolbar buttons on this MS Vista computer? > >> > >> Thanks a lot in advance for your help. > >> JB > >> > >> -------------------------------------------------------------------- > ---------- > >> _______________________________________________ > >> Octave-dev mailing list > >> Octave-dev@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/octave-dev > >> > > > > > > -------------------------------------- > > Power up the Internet with Yahoo! Toolbar. > > http://pr.mail.yahoo.co.jp/toolbar/ > > > > ----------------------------------------------------------------------- > ------- > _______________________________________________ > Octave-dev mailing list > Octave-dev@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/octave-dev ------------------------------------------------------------------------------ _______________________________________________ Octave-dev mailing list Octave-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/octave-dev
