Re: reversing axis

[Dongxiao Zhang <dzhang@xxxxxxxxxxxxxxxxxxxx>]

On Mon, 13 Oct 1997, Sinead Done wrote:

> 
> Hi,
> 
> I have been plotting some data from a radiosonde (ie temperature and 
> dewpoint on the x axis against pressure on the y axis), however, my plots 
> all come out with pressure increasing on the y-axis. However, because I am 
> plotting a profile of the atmosphere, I need the pressure the other way 
> around (ie I need it to decrease with height).
> 
> Is there a command which can correct this?
> 
> Thanks,
> Sinead
> 
Sinead, 

The FERRET user's guide says:

*** 5.1  Reading ASCII files ***
.....
(Ferret provides the /DEPTH qualifier to explicitly designate axes
where the vertical axis convention is reversed).
.....

You may try 
yes? DEFINE AXIS/Z=0:1000:100/UNIT=meters/DEPTH salz 


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Dongxiao Zhang
Division of Meteorology and Physical Oceanography
Rosenstiel School of Marine and Atmospheric Science
4600 Rickenbacker Causeway
Miami, FL 33149
Phone  : (305)361-4806
Fax    : (305)361-4696
Office : MSC Room 309
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