Re: Question about 2-Dimensional attribute

On Dec 13, 2009, at 3:52 PM, Xiaoming Sun wrote:

>
> Dear All,
>
> Thanks for reading this E-mail.
>
> I got confused on how to attribute 2-D coordinates to a 2-D variable.
>
> For example,
> WRFcs_dbz is a 2-D variable with dimension as [height| 34] x
> [along_cs | 84], which is radar reflectivity
> WRFcs_z is a 2-D variable with dimension as [height| 34] x
> [along_cs | 84], which records the height of each point in the
> WRFcs_dbz array
> WRFcs_lon is a 2-D variable with dimension as [height| 34] x
> [along_cs | 84], which records the longitude of each point in the
> WRFcs_dbz array.
>
> I am trying to get WRFcs_z and WRFcs_lon as the 2D coordinate
> attribute of WRFcs_dbz by following
> WRFcs_dbz@sfXArray = WRFcs_lon
> WRFcs_dbz@sfYArray = WRFcs_z
>
> Then simply use
> plot = gsn_csm_contour(wks, WRFcs_dbz, res_WRFdbz)
> to have a contour plot with longitude as the x-axis and height (m)
> as the y-axis.
>
> But the x-axis and y-axis is still ranging from 1 to 84 and 1 to 34
> respectively, instead of what I hoped as longitude and height (m).
>
> Could anyone please give some help on this?
>
> Thanks,
>
> Xiaoming

Hi Xiaoming,

Since these are resources you're setting, you want to attach them to
the resource variable "res_WRFdbz", and not "WRFcs_dbz":

res_WRFdbz@sfXArray = WRFcs_lon
res_WRFdbz@sfYArray = WRFcs_z

--Mary

>
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Received on Mon Dec 14 12:35:30 2009