define independant data set

[Bernd Becker]

Chuck,

thanks very much.

After some cannibalisation of the original script I got
something quite acceptable.

Bernd.

On Wed, 2009-04-29 at 13:49 -0400, Charles Seman wrote:
> Bernd,
>
> One idea is to try ftp://grads.iges.org/grads/examples/xyplot.gs
> which does a plot of "y" vs. "x"
>
> Chuck
>
> Bernd Becker wrote:
> > Hello,
> >
> > this is an odd question:
> >
> > can one define a data set in grads independent from any external data
> > set?
> >
> > How do you:
> >
> > define x='1 2 3 4 5 6 7 8 9'
> > define y=x*x
> >
> > d y
> >
> > and get an y ver. x  line plot ?
> >
> >
> > The background:
> >
> > I compiled event statistics by mask and const,
> > count some numbers at individual grid points,
> > constructed a curve, or at least the vector for it
> > and now I want to plot it.
> >
> > I can draw a line, scaling the numbers to the plot window.
> > That looks really bland.
> > I also like to get appropriate axis and other nice bits.
> >
> > Any ideas how to do that?
> >
> > t = 0
> > sum = 1
> > scalex  =  6.5/32.
> > scaley  =  5.5/1.
> > xstr=''
> > ystr=''
> > linestr=''
> > while ( t <= 32       )
> >     xstr= xstr ' '     t ' '
> >     ystr= ystr ' ' cdf.t ' '
> >
> >     xx  = 1 + t* scalex
> >     yy  = 1 + cdf.t* scaley
> >     linestr= linestr' ' xx ', ' yy   ', '
> >
> >     t = t + 1
> > endwhile
> >
> > * plot cdf
> >
> > say         linestr
> > 'draw line 'linestr
> >
> > cdf.t are numbers [ 1, 0 ] over 32 steps.
> >
> > --
> > Bernd Becker   The Monthly Outlook
> > Met Office  FitzRoy Road  Exeter   Devon EX1 3PB  United Kingdom
> > Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
> > E-mail:bernd.becker at metoffice.com  -  http://www.metoffice.com
> >
>
> --
>
> Please note that Charles.Seman at noaa.gov should be considered my NOAA
> email address, not cjs at gfdl.noaa.gov.
>
> ********************************************************************
>  Charles Seman                                Charles.Seman at noaa.gov
>  U.S. Department of Commerce / NOAA / OAR
>  Geophysical Fluid Dynamics Laboratory         voice: (609) 452-6547
>  201 Forrestal Road                              fax: (609) 987-5063
>  Princeton, NJ  08540-6649            http://www.gfdl.noaa.gov/~cjs/
> ********************************************************************
>
> "The contents of this message are mine personally and do not necessarily
> reflect any position of the Government or NOAA."
--
Bernd Becker   The Monthly Outlook
Met Office  FitzRoy Road  Exeter   Devon EX1 3PB  United Kingdom
Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
E-mail:bernd.becker at metoffice.com  -  http://www.metoffice.com