Re: V 3.0.3 Windows plotting problems

[Michael Goffioul]

Looks like an OpenGL double-buffer switching problem.
It's not a fix, but you might want to use the gnuplot backend
instead. To disable jhandles, use "pkg unload jhandles".

Michael.


On Tue, Dec 30, 2008 at 10:38 PM,  <address@hidden> wrote:
> I have been encountering a couple of quirks in the jhandles plotting in
> Octave under Windows XP SP2:
>
> 1. When I plot a figure, the chart area appears normally, but if I click
> on the figure to bring it to the foreground, the chart area disappears
> (I just get a grey box).  I can make it come back by resizing the area.
> It doesn't happen all the time, and I haven't found a way to make it
> repeatable.  Switching back and forth between the console and figure
> seems to provoke it -- the chart will appear for 1/2 second and then
> vanish when I switch to the figure.  (Playing as I type...) switching to
> this email and back to the figure restores it at the moment.
>
> 2. Plotting to "png" format on the particular plot I'm working with
> produces an "isometric" view -- the chart is tilted 30 degrees to the
> right (I can attach the PNG file if desired).  "PS" format works fine
> but is harder to insert into documents.
>
> Bonus question: is there a way to print the plot directly to a printer
> in Windows?
>
> help print
> ...
>    OPTIONS:
>   `-PPRINTER'
>         Set the PRINTER name to which the graph is sent if no
>         FILENAME is specified.
>
> ---------
> octave-3.0.3.exe:7> print -dps -PLPT1:
> gl2psBeginPage: 0
> gl2psLineWidth: 0.500000
> gl2psLineWidth: 0.500000
> gl2psLineWidth: 0.500000
> gl2psLineWidth: 0.500000
> gl2psLineWidth: 0.500000
> gl2psLineWidth: 0.500000
> gl2psEndPage: 0
>
> Sends a print job to a network printer
>
> Usage: lpr -S server -P printer [-C class] [-J job] [-o option] [-x]
> [-d] filename
>
> Options:
>     -S server    Name or ipaddress of the host providing lpd service
>     -P printer   Name of the print queue
>     -C class     Job classification for use on the burst page
>     -J job       Job name to print on the burst page
>     -o option    Indicates type of the file (by default assumes a text
> file)
>                  Use "-o l" for binary (e.g. postscript) files
>     -x           Compatibility with SunOS 4.1.x and prior
>     -d           Send data file first
> ---------
>
> The last part seems to be produced by Octave trying to call lpr on my
> system, maybe with the wrong parameters.
>
> Thanks for any help you can give me.
>
> Regards,
> Allen
> --
> Allen Windhorn, P.E. (MN)  (507) 345-2782
> Kato Engineering
> P.O. Box 8447, N. Mankato, MN  56002
> address@hidden
>
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