[Kst] problem getting real-time graph running

[Dan Field]

Thanks for the reply Barth.  After sending the original question, I have
been running many experiments and got to the point where the problem has
gone away and I can no longer reproduce it.  Because I am launching both
a file filter process (powershell script) that produces the output file
consumed by kst and kst itself from an application program, it's
possible that there were some inter-process issues going on.

The data file is ascii, and as mentioned above, is being produced from a
powershell script that is essentially running a tail -f on the real data
file in order to create a csv-like file that can be consumed by kst.
The version is 2.0.8 obtained
fromhttp://sourceforge.net/projects/kst/files/ (windows installer).
Real time does work when running things manually, and does, in fact work
now in my automated environment with the powershell filter after the
experimentation above.  I just don't understand why it wasn't working
before, and what I did to fix the problem.

In any case, thanks again for the reply.

BTW, do you know if there is an xml schema available for the kst files?

Best,
    Dan


On 9/30/2015 8:53 AM, Barth Netterfield wrote:
> Hey, Dan,
>
> I'm not reproducing this, so I guess I need more details. So, a few questions:
> -what types of files are you reading?
> -how are you writing them?
> -what version of kst2 are you using (ie, where did you get it?)
> -does real time work for you when you first create the session (ie, not read 
> from a .kst file?)
>
> cbn
>
> On September 29, 2015 5:17:25 PM Dan Field wrote:
>
>> Hi All:
>>
>> I am trying to start running a real-time graph via a Kst file (see
>> attached) and the command line (kst2 -F <datafilepath> <kstfilepath>).
>> When Kst starts, it certainly sees the session file as it loads the 3
>> plots, but they're empty even though the specified data file is being
>> actively written to.  Interestingly though, if I open the data wizard
>> (but do nothing else), the plots become populated and actively start
>> adding live data as I expected to see right from the start.  If I close
>> the data wizard, the plots no longer are added to.  Opening the wizard
>> back up, the plots become live again.
>>
>> Any ideas what I'm doing wrong?  I've attached the session file.  This
>> was created essentially by manually creating a session with the plots I
>> wanted and saving it.
>>
>> Thanks in advance!
>>
>> Best,
>>     Dan