Re: 3.2.3 RC2

[Tatsuro MATSUOKA]

Hello


--- Benjamin Lindner  wrote:

> For windows to even use the gnuplot backend one requires a true console 
> (i.e. pipeable) application, which is available since 
> CVS-4.3.0-2008-11-21 thanks to michael goffioul. The zooming feature if 
> data is piped into gnuplot requires a build with -DVOLATILE_REFRESH, 
> which is available IIRC for 4.3.0. So the available windows binaries 
> allow zooming.
> 
Mouse zooming in 2D plots is only available on gnuplot 4.3 at the ChangeLog 
date is 2007-08-31 for by
the extensive efforts by  Ethan Merritt.

2007-08-31  Ethan Merritt  <address@hidden>

        Version 2.9.? of Octave switched to piping all data to gnuplot in-line
        rather than via a temporary file.  This broke mouse zooming and replot.

        This patchset is an imperfect fix with several known problems:
        - Clipping of zoomed 3D contour plots is not correct.
        - splot volatile with image + zoom + unzoom is flaky
        - plot -> zoom -> set grid -> unzoom   loses the grid setting.
        - you cannot toggle log scaling on/off while using refresh.

        Introduce a new command "refresh" that acts like replot except that it
        does not re-read the input data.  Refresh is always needed in order to
        zoom or replot in-line data (input file '-'), but may optionally applied
        to normal data files also by appending the attribute 'volatile'.
              :
              :

Any version of gnuplot 4.2.x can realize the mouse zooming in 2D plot when the 
data are sent via pipe.

The gnuplot 4.2.6 is the last official version of 4.2.x.  The preparation of 
the next official release
gnuplot 4.4 has been started now.  Perhaps the mouse zooming for volatile data 
will be included in
version 4.4.  This should be confirmed at gnuplot-beta ML.

Regards

Tatsuro




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