Re: Draw coastal line in different sea depth levels.

[Ansley Manke <ansley@xxxxxxxxxxxxx>]

Hello,
You can draw the coastline from one of the etopo data sets by contouring
at zero.   Is this what you want to do?

use etopo20
set region/x=90w:20e/y=15:55
shade rose
contour/over/levels="(0., 0., 0.1, -3)" rose

Namba Takaya wrote:

> Dear Dr. Steve Hankin
>
> Thank you for your kind help. I really appreciate it.
>
> I made it by your instruction.
>
> One more thing I would like to do is on land.jnl scritp or geo_border
> datafile.
>
> How can I draw coastal line of etopo5 by land.jnl changing
> Geo_border datafile,
> when I would like to match the coastal drawing line by land.jnl and etopo5
> topography?
>
> Thank you in advance.
>
> >From: Steve Hankin <hankin@pmel.noaa.gov>
> >To: Namba Takaya <takayanamba@hotmail.com>
> >CC: ferret_users@ferret.wrc.noaa.gov, shankar@darya.nio.org
> >Subject: Re: Draw coastal line in different sea depth levels.
> >Date: Fri, 20 Apr 2001 07:21:29 -0700
> >
> >Hi Takaya,
> >
> >Have a look inside of the script fland.jnl
> >     yes? GO/help fland
> >
> >In there you will see commands that reduce (after argument substitutions)
> to
> >
> >      set data etopo5
> >      shade/nolab/nokey/lev=(0,10000,10000)/pal=gray/overlay
> >      rose[x=lo:hi,y=lo:hi]
> >
> >The qualifiers /LEVELS=(0,10000,10000)/PALETTE=gray tell Ferret to fill in
> >gray everywhere that the elevation exceeds zero (i.e. land).
> >
> >For your application you need only replace the "0" with the desired depth.
> >For example,
> >
> >      set data etopo60
> >      shade/lev="(-500)(10000)"/pal=gray rose
> >      go land
> >
> >will create a mask of all areas shallower than 500 meters ("go land"
> overlays
> >the coasts as lines to illustrate).
> >
> >     - steve
> >
> >=============================
> >
> >Namba Takaya wrote:
> >
> > > Dear Sir.
> > >
> > > I would like to contour or shade some parameters (salinity, temperature
> > > etc) in the defferent sea depth levels drawing the coastal line which
> > > change with depth? I would like to use etopo5
> > > to draw each depth coastal line respectively.
> > >
> > > Could you tell me how to do it?
> > >
> > > Thank you in advance.
> > >
> > > Japan International Cooperation Agency
> > > Takaya Namba
> > >
> > >
> _________________________________________________________________________
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> >
> >--
> >Steve Hankin
> >NOAA/PMEL, 7600 Sand Point Way NE, Seattle, WA 98115-0070
> >ph. (206) 526-6080 -- FAX (206) 526-6744
> >
> >
>
> _________________________________________________________________________
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--
Ansley Manke  Pacific Marine Environmental Laboratory  Seattle WA  (206)526-6246