Re: [ferret_users] How can I use ferret to plot a shading (or stippling) area

[Liya Jin <lj@xxxxxxxxxxxxxxx>]

Hi Ansley, Thomas and nuncio,

Thank you for your kind help. I can plot it now.

Cheers,

Liya

> Hi Thomas and Liya,
> There are also "pattern" palettes for overlaying one of several 
> patterns on a color plot.  See
> http://ferret.pmel.noaa.gov/Ferret/documentation/users-guide/commands-reference/PATTERN
>
> and
> yes? go pattern_demo
>
> (This capability is not available in gif mode or batch postscript 
> mode. See the notes in the Users Guide section under Pattern.)
>
> So in Thomas's example you could do
>    fill temp  
>    fill/over/palette=black/pattern=tiny_squares significance 
>   
> Ansley
>
>
> Thomas Froelicher wrote:
> > Hi Liya,
> >
> > please find below the commands to plot a stippling area which is
> > statistical significant for two fields
> >
> > ----------
> > ! Define mask (1) for significance
> > let significance = if ... gt 0.95 then 1 else 0
> >
> > let lon = x[gx=temp] + 0*y[gy=temp]
> > let lat = 0*x[gx=temp] + y[gy=temp]
> >
> > fill temp  
> > plot/nolab/vs/over/sym=dot/color=black  significant*lon, significant*lat
> > -----------
> >
> > Cheers,
> >
> > thomas
> >
> >
> >
> > Liya Jin wrote:
> >   
> > > Dear Ferreters,
> > >
> > > I have two questions that ask for your kind help:
> > >
> > > 1) How can I use ferret to plot a shading (or stippling) area which is
> > > statistical significant difference (e.g. 95% significant level using a
> > > student's-test) for two fields (e.g. temperature or precipitation)
> > > that overlay the 2D figure?
> > >
> > > 2) How can I set the palette to get an inverse colorscale with high
> > > and low values reversed?
> > >
> > > Thanks!
> > >
> > > Liya 
> > >     
> >
> >
> >