[Kst] Plot Live data problems on MS-Windows kst2.0-b3

[Barth Netterfield]

Peter M,

This windows update bug seems very weird, and I worry that it could be some
strange file-sytem 'feature'.

In kst/tests/dirfile_maker is the source for a little app which makes a fake
dirfile that can be used to test real-time bugs.
Could you try to get this going under windows, and verify that you see the
same bug with this?

thanks!
cbn

On Sat, Sep 25, 2010 at 2:14 PM, Peter Milne <peter.milne at d-tacq.com> wrote:

> Hi Peter
>
> Just started to use kst2.0-b3, but this problem shows up [same on b1,
> sorry to be so slow to report]:
>
> So, for plotting live data from a network file share, we have the new
> 'Time Interval' feature.
>
> On my system, it "works", but it's far from ideal.
>
> What appears to happen:
> - the data plots.
> - the plot updates.
> At lease, the left hand side of the time scale [old data] advances.
> But the right hand side [new data] either doesn't update or updates
> _very_ slowly. With the result that, the timebase window on screen is
> continuously shrinking, and after about 5 updates, the timescale
> window on screen is very short and the plot is blank.
>
> A second issue, this is the "front-to-back" line effect raised here:
> https://bugs.kde.org/show_bug.cgi?id=249555
>
> At the time Barth pointed out that the data generator _must_ update
> the "reference field" last, and after changing the generator code to
> the appropriate sequence, the problem was resolved [at least on KST on
> Linux].
>
> So currently the situation is - plotting live data from a SAMBA share
> under KST on Linux, works perfectly, both updates, timescale and
> appearance of the plot, but under MS-Windows, it's less than ideal.
> It's not the end of the world, because it's possible to force the
> screen to update by pressing the Refresh button..
>
> Best regards
>
>
> Peter
>
> ps: b3 : the new "Manager", "Wizard" icons are cool, but the
> left-right sequence across the screen doesn't really reflect my
> workflow -  I'd prefer something like the old order of where "Wizard",
> generally the first thing you do, was near the left.
>
>
> --
> Peter Milne www.d-tacq.com
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>
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