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Re: [ferret_users] Error in time series of velocity profile
OK,thank you it worked:)
Cheers,
Sara
--------------------------------------------
On Sun, 6/29/14, Russ Fiedler <russell.fiedler@xxxxxxxx> wrote:
Subject: Re: [ferret_users] Error in time series of velocity profile
To: "ferret_users@xxxxxxxx" <ferret_users@xxxxxxxx>
Date: Sunday, June 29, 2014, 9:29 PM
Hi Sara,
First, please try to reply to the user group rather than
back to people personally so there's a record in the ferret
mail archives of what's going on and somebody else may also
be able to help.
Ok, I'll assume that you have 200 points in your day of
interest and that
PLOT uvel
or
PLOT/k=1:200 uvel
works ok apart from having an axis that runs from 1 to 200
If the values are all zero (and you don't expect them to be
zero) then there is a problem with
the dataset and you will need to look into that first.
def axis/t=0:24/npoints=200/units=hours hours_axis
let uvel_on_time = RESHAPE(uvel,t[gt=hours_axis])
plot uvel_on_time
Should plot 200 values on an axis spanning 1 day.
If you only want the first 25 values then your original post
should have plotted things correctly.
Cheers,
Russ
On 30/06/14 05:32, Sara Sari wrote:
> Dear Russ,
> Thank you very much for your help. could you please
complete the command? I mean what to type after the :
> def axis/t=0:24/npoints=200/units=hours hours_axis
> ???????
> to plot uvel on time?
> I'm almost newbie.
> regards,
> Sara
>
>
>
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>
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> --------------------------------------------
> On Mon, 6/9/14, Russ Fiedler <russell.fiedler@xxxxxxxx>
wrote:
>
> Subject: Re: [ferret_users] Error in
time series of velocity profile
> To: ferret_users@xxxxxxxx
> Date: Monday, June 9, 2014, 4:21 PM
>
Hi Sara,
>
Your reshaping command doesn't make
any sense. The
> new hour_axis
> is only 25 steps
long but you are trying to
> reshape a variable
> (uvel) which is
200 units long. I guess it just takes
> the first 25
> steps of uvel but
who knows.
>
What are the first 25 values of
uvel?
>
If you really want a time axis from
0 to 24 with 200
> points then
> try
>
def
axis/t=0:24/npoints=200/units=hours hours_axis
>
If you only want the first 25 steps
of uvel then you
> should
> replace "uvel"
by
> "uvel[l=k=1:25]" in your
definition of
> uvel_on_time.
>
Cheers,
> Russ
>
On 07/06/14 05:11, 'Sara Sari' via
_OAR PMEL
> Ferret Users wrote:
>
Hi,
> Could any
one please let me know whether or not
> the command
>
whichI used for plotting time series of
velocity
> profile is
>
correct? I don't know why it just gives a
> solid horizontal
>
line! I want to be sure that the problem
is not
> with the
>
ferret command.
> Thank
you,
> Sara
>
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