Re: gEDA-user: can't plot time on x axis with KJWave

[KURT PETERS <peterskurt@xxxxxxx>]

   > > > KURT PETERS wrote:
   > > > > > Date: Sun, 02 Aug 2009 19:05:03 -0600
   > > > > > From: Mark Johnson <mrj001@xxxxxxx>
   > > > > > Subject: gEDA-user: can't plot time on x axis with KJWave
   > > > > > To: gEDA user mailing list <geda-user@xxxxxxxxxxxxxx>
   > > > > > Message-ID: <4A7637BF.1020004@xxxxxxx>
   > > > > > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
   > > > > >
   > > > > > I've been trying to get a plot of a transient analysis with
   KJ
   > > > > Waves.
   > > > > > I've gotten the analysis to run. When the "Select Axis
   > > Variables"
   > > > > > window appears, time is not an option under X axis. I can
   only
   > > plot
   > > > > the
   > > > > > output I chose prior to the simulation - on both x- and
   y-axes.
   > > > > > Needless to say, this doesn't help me much.
   > > > > >
   > > > > > I'm using version 1.1.3 of KJ Waves, recently downloaded,
   and
   > > > > version
   > > > > > 6u12 of the Java Runtime (included as part of the JDK).
   > > > > >
   > > > > > Can anyone help?
   > > > > >
   > > > > > Mark Johnson
   > > > > Mark,
   > > > > Can you post the first few lines (which should be in red) in
   your
   > > > > KJWaves netlist?
   > > > > What I'd be looking for is to ensure you indeed are asking
   ngspice
   > > for
   > > > > a transient analysis and what variables you're asking it to
   store.
   > > > > Kurt
   > > > >
   > > > Here it is:
   > > > * gnetlist -g spice-sdb -o test3h.net test3.sch
   > > > .TRAN 10.0U 10.0M 10.0U 10.0U
   > > > .SAVE V(Vout)
   > > > .OPT NOPAGE NOMOD
   > > > .WIDTH OUT=133
   > > > *********************************************************
   > > >
   > > > I'm assuming that ngspice automatically will save the time as it
   > > does
   > > > for .print. I'm using rework 19 of ngspice.
   > > >
   > > > Mark
   > > Mark,
   > > I would not assume that.
   > > To determine whether that's the problem, how about trying to
   > > comment the '.SAVE' statement out once and see if time shows up?
   It
   > > might create a gargantuan file depending on how much you're
   > > simulating, but I think KJWaves can handle pretty big files.
   > >
   > > I also notice that you use the .TRAN with a start time and a TMAX
   > > time. I'm not sure you might want to use those initially. If the
   > > above doesn't give you a "time" selection, how about trying the
   .TRAN
   > > statement with only the "typical" TSTEP and TSTOP times specified?
   > > Kurt
   > >
   > If I comment out the .SAVE, it does create a much larger file
   (almost
   > 50Meg). That took quite a while to load. Now, it does not offer any
   > options for either the x- or the y-axis when I select "transient
   > analysis" on the left. I should note that there two "transient
   > analyses" on the left. One is from the one I specified through
   KJWaves;
   > the other via an include file. It has the same .TRAN line as the
   first,
   > but includes a .PRINT, and sets some options.
   >
   > Restoring the .SAVE line and changing the .TRAN line as suggested
   leads
   > to this:
   > * gnetlist -g spice-sdb -o test3h.net test3.sch
   > .TRAN 10.0U 10.0M
   > .SAVE V(Vout)
   > .OPT NOPAGE NOMOD
   > .WIDTH OUT=133
   >
   > Now, I still don't get any options to plot for either axis.
   >
   > Aha! You did give me the clue though. That first test made me wonder
   > if perhaps my .INCLUDE was interfering. So I commented that out and
   it
   > works!
   >
   > Thanks. This should make my plotting much easier.
   >
   > Mark
   Mark,
     I'm glad you were able to work it out.  I'm curious as to what
   .INCLUDE did.  DId you NOT include a file necessary for simulation?
   We don't want that.  Or did you just comment that "extra" .TRAN in the
   included file?

   Regards,
   Kurt


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