stretching x-axis

[Felix Schneiders]

Hello,

I have another problem displaying DZDT (vertical wind
component) with grads on a higher resolution grid. I
have 4 grids, each with double the no. of gridpoints
of the preceeding and half the x-step size. When I
display DZDT on a finer grid, I get a crouched image.
How do I stretch the x-axis with grads so I can see
the resolution better? Thank you!


P.S.: Thank you very much Eric, that did the job.


--- Eric Altshuler <ela at COLA.IGES.ORG> wrote:

> Hello Felix,
>
> You need to set the environment variable GADDIR to
> the directory where grads map and font data files
> are located. Evidently in your case, they are not in
> the default location /usr/local/lib/grads.
>
> Best regards,
>
>
> Eric L. Altshuler
> Assistant Research Scientist
> Center for Ocean-Land-Atmosphere Studies
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705-3106
> USA
>
> E-mail: ela at cola.iges.org
> Phone: (301) 902-1257
> Fax: (301) 595-9793
>
> ----- Original Message -----
> From: "Felix Schneiders" <schnoppo at YAHOO.COM>
> To: GRADSUSR at LIST.CINECA.IT
> Sent: Tuesday, September 4, 2007 6:15:44 AM
> (GMT-0500) America/New_York
> Subject: Displaying Wind components U, V and
> Temperature
>
> Hello,
>
> I would like to display Variables like Temperature
> TMPBLR and zonal/meridional Wind components
> UGRDBLR/VGRDBLR in grads. How do I proceed? My tries
> were erroneous. See below:
>
> ga-> query file 1
> File 1 : lfff00003000
>   Descriptor: z03.ctl
>   Binary: lfff00003000
>   Type = Gridded
>   Xsize = 51  Ysize = 7  Zsize = 41  Tsize = 1
>   Number of Variables = 5
>     dzdthbl 41 40 ** Geometric vertical velocity
> [m/s]
>     presblr 40 1 ** Pressure [Pa]
>     tmpblr 40 11 ** Temp. [K]
>     ugrdblr 40 33 ** u wind [m/s]
>     vgrdblr 40 34 ** v wind [m/s]
> ga-> d tmpblr
> Cannot contour grid - all undefined values
> Error opening stroke character data set
>   Data set names = /usr/local/lib/grads/font0.dat ;
> font0.dat
> ga-> d ugrdblr
> Cannot contour grid - all undefined values
> Error opening stroke character data set
>   Data set names = /usr/local/lib/grads/font0.dat ;
> font0.dat
>
> I am working on a domain which is 51 grid points in
> x
> direction, has 41 layers in z height direction, and
> 7
> in y direction (from which I only need one layer
> with
> y =4). If anyone knows how to do this, I would be
> grateful. Thank you.
>
> Felix Schneiders
>
>
>
>
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