problem plotting u,v winds from binary file

[See Hai Ooi]

Hi,

    Try changing your DO loop to

    DO xxx I=1,181

    Hope this helps.

Ooi

--- Brad Navarro <brad.navarro at WNI.COM> wrote:

> Greetings,
>
>
>
> Despite my persistent efforts, I cannot seem to
> solve this particular
> problem. Perhaps someone out there will know how. I
> have generated a
> binary file with U and V wind components for only
> one level and
> timestamp, and I have provided the piece of code
> that writes this data
> to file:
>
>
>
>          DO 110 I=1,191
>
>              write(16,rec=I) (Ux(I,J),J=1,360)  !
> writes the u component
> to file
>
>   110    CONTINUE
>
>
>
>          DO 115 I=1,191
>
>           write(16,rec=I) (Vy(I,J),J=1,360) ! writes
> the v component to
> file.
>
> 115        CONTINUE
>
>
>
> So, in essence, each component is written for each
> latitude, I, and for
> each longitude, J, at 1 degree intervals. So my
> control file then looks
> like this:
>
>
>
> DSET  /home/bradn/WINDVERIF/TEST/windcompgridded.dat
>
> TITLE  Qscat 10m wind
>
> UNDEF  -0.9999E4
>
> XDEF 360 LINEAR 0 1
>
> YDEF 181 LINEAR -90 1
>
> ZDEF 1 LEVELS 1 1
>
> TDEF 1 LINEAR 15Z17JUN07 3hr
>
> VARS 2
>
>  u 0 99 u component
>
>  v 0 99 v component
>
> ENDVARS
>
>
>
>
>
> However, when trying to plot the U component, it
> looks as if GrADS uses
> the V data in the binary file as the U data, and
> then gives me this
> error message when trying to plot the V component:
>
>
>
> Low Level I/O Error:  Read error on data file
>
>   Data file name =
> /home/bradn/WINDVERIF/TEST/DIR/windcompgridded.dat
>
>   Error reading 360 bytes at location 68760
>
> Data Request Error:  Error for variable 'v'
>
>   Error ocurred at column 1
>
> DISPLAY error:  Invalid expression
>
>   Expression = v
>
>
>
> Anyone have any ideas what I might be doing wrong?
> Any help would be
> much appreciated.
>
>
>
> Thanks,
>
> Brad
>
>


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