Fwd: Re: Setting a region

[Ben Burford <benb@xxxxxxxxxxxx>]

Thank you very much.  This is just what I needed.

Ben


> Delivered-To: benb@restec.or.jp
> Date: Thu, 26 Aug 2004 08:08:02 -0700
> From: Steve Hankin <Steven.C.Hankin@noaa.gov>
> X-Mailer: Mozilla 4.79 [en] (Windows NT 5.0; U)
> X-Accept-Language: en
> To: Ben Burford <benb@restec.or.jp>
> Cc: ferret_users@noaa.gov
> Subject: Re: Setting a region
> 
> Hi Ben,
> 
> The Y region that you are attempting to set is broader that the Y size of 
the
> grid, itself.  Essentially, there are two "sizes" to be set: 1) the span o
f data
> that you are interested in; and 2) the span of the plotted axes.  The Set 
Region
> command (and the /X=/Y= qualifiers on the various commands) sets the span 
of the
> data.
> 
>   ==> use the /HLIMITS and /VLIMITS commands to control the plotting region
> independently from the data region.
> 
>     - steve
> 
> Ben Burford wrote:
> 
> > Hello All,
> >
> > I'm using the script below to read in data in a stream, establish the da
ta i
> > n an 11 x 11 array with 5 levels and define the x and y axis to provide 
geol
> > ocation information to the array.
> >
> > After running the script in Ferret I want to set a region.  If I enter:
> > set region/x=131.02E:137.52E
> > I can do shade/k=1 tb
> > and the data is shown in the region.  But if I try to do the same thing 
for
> > the y axis by entering:
> > set region/y=3.8N:10.3N
> > Ferret ignores this and doesn't change the y axis.
> >
> > How can I set the region for both x and y axes?
> >
> > Thank you,
> >
> > Ben
> >
> > define axis/x=1:11:1 xax
> > define axis/y=1:11:1 yax
> > define axis/z=1:5:1 zax
> > define grid/x=xax/y=yax/z=zax gax1
> > file/format=stream/type=i2/swap/skip=`2048/4`/grid=gax1/var=tb_scale F13
SSMI
> > 1B_200107152131_wpo_low
> > let tb=tb_scale/10
> > set var/bad=9999 tb
> > define axis/x=133.02E:135.52E:.25 xax
> > define axis/y=5.8N:8.3N:.25 yax
> > set var/title="Brightness Temperature" tb
> > set var/units="Kelvin" tb
> >   SAY ----------------------------------
> >   SAY "Var = tb"
> >   SAY "Channels = 5"
> >   SAY ----------------------------------
> 
> --
> 
> Steve Hankin, NOAA/PMEL -- Steven.C.Hankin@noaa.gov
> 7600 Sand Point Way NE, Seattle, WA 98115-0070
> ph. (206) 526-6080, FAX (206) 526-6744
>