Re: [Gnuplot-py-users] Problem with plotting different linestyles

Jette Krause wrote:
> Hallo,
> 
> I need to plot some curves and a data point into one diagram. I can't 
> find out how to tell Gnuplot to use different linestyles for different 
> items ("lines" for the curves and "points" for data) when plotting from 
> a python script.
> 
> E.g., if I write
> 
> g=Gnuplot.Gnuplot()
> g('set data style lines'),
> 
> the plotting command for the point is not executed (naturally...).
> But is there a way to give a data style different from the general on, 
> e.g in the plotting command?
> 
> I tried things like
> g.plot(a,b,c,k with points)
> where a to c are the curves and k should be the point, but it does not work.
> 
> I would be grateful for any help.

I've moved away from gnuplot to matplotlib, but here's some old code which can 
get you going:

if 0:
      #transcript = utils.TranscriptPrint('transcript_%s.ref' %
max_band,start=True)
      print "*** OLDEST (REFERENCE) NATURAL-SCALE IMPLEMENTATION"
      all_r = {}
      lft_r = {}
      #phinsc   = poisson._call_nsc_ref(rho,truncate,verbose,all_r,lft_r)
      phinsc   = poisson._call_nsc_ref(rho,truncate,verbose)
      x,pnx    = eval_diag(phinsc)
      nscref   = GP.Data(x,pnx,title='Ref Nat-scale',with='linespoints lt 4')
      errornscr= GP.Data(x,abs(pxx-pnx),title='Slow (ref) Nat-scale error',
                         with='lines lt 4')
      gp.replot(errornscr)
      #transcript.Stop()

if 0:
      # Compare two implementations, which should agree to within roundoff
      gp.plot(x,N.absolute(pnx-px))
      gp.replot(GP.Func('1e-16',with='lines lt 2'))

if 0:
      print "*** REFERENCE 2-SCALE IMPLEMENTATION"
      phi2sc   = poisson._call_2sc(rho)
      x,p2x    = eval_diag(phi2sc)
      twosc    = GP.Data(x,p2x,title='2-scale',with='linespoints lt 5')
      error2sc = GP.Data(x,abs(pxx-p2x),title='Two-scale error',
                         with='lines lt 5')

Cheers,

f