[ncl-talk] Issue

[Mary Haley]

The error is telling you that you are trying to assign one variable to
another, but that the variable on the left side of the "=" is a different
size than the one on the right side.

I believe it is this line that's the issue:

times = wrf_user_getvar(a,"times",-1)  ; get all times in the file


If each WRF file has a different number of timesteps, then "times" is going
to be a different size every time in the loop.

You can use the reassignment operator to force the reassignment to happen:

times := wrf_user_getvar(a,"times",-1)  ; get all times in the file

For future reference, you can go to our "error messages" page to find some
common errors and how to fix them.  See:

http://www.ncl.ucar.edu/Document/Language/error_messages.shtml

--Mary


On Wed, Dec 30, 2015 at 7:40 PM, Muhammad Omer Mughal <
m.mughal1 at postgrad.curtin.edu.au> wrote:

>
> Hi
>
>
> I am trying to use the attached script to retrieve wind speed over a
> couple of wrfoutput files. But I am hitting this error
>
>
> fatal:Dimension sizes of left hand side and right hand side of assignment
> do not match
> fatal:["Execute.c":8578]:Execute: Error occurred at or near line 21 in
> file wrfwindspeed.ncl
>
>
> Can anyone help please.
>
>
>
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