# Re: Vector plots for irregular spaced 1D data

From: Andrew Penny <andybpenny_at_nyahnyahspammersnyahnyah>
Date: Tue May 03 2011 - 23:17:34 MDT

Thanks Will, the use of wind barbs seems to work fine.

Andrew

On May 3, 2011, at 2:40 PM, Hobbs, Will R (3244-CalTech) wrote:

> Andrew
>
> I can think of two methods, depending on how you want your plot to look.
> One way to do this which I "think" would work would be to create 'dummy'
> 2-d arrays of U and V (with appropriate lat/lon coords), with all values
> set to missing except for the locations identified by you 1d lat/lon
> fields; the function getind_latlon2d might be helpful in this regard
> http://www.ncl.ucar.edu/Document/Functions/Contributed/getind_latlon2d.shtm
> l).
>
> Another way of doing this would be to plot the winds using the wmbarbmap
> procedure over a regular contour map
> (http://www.ncl.ucar.edu/Document/Functions/Built-in/wmbarbmap.shtml).
>
> Will
>
>
> On 5/3/11 2:34 PM, "Andrew Penny" <andybpenny@hotmail.com> wrote:
>
>> Hi all,
>>
>> I have 1D U and V arrays with corresponding 1D latitude and longitude
>> arrays and would like to overlay a vector plot on top of a scalar plot. I
>> can
>> use "sfXArray" and "sfYArray" just fine for the scalar plot, but when I
>> try
>> using "vfXArray" and "vfYArray" for the vector plot, I get an error
>> complaining
>> that I don't have 2D data arrays:
>>
>> fatal:Number of dimensions in parameter (1) of (gsn_csm_vector) is (1),
>> (2) dimensions were expected
>>
>> Can this be done? If so, what am I missing? Thanks in advance!!
>>
>>
>> Andrew Penny
>> Research Associate - Meteorology Department
>> Monterey, CA 93943
>> Phone: (831) 656-3101
>>
>> _______________________________________________
>> ncl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Tue May 3 23:17:48 2011

This archive was generated by hypermail 2.1.8 : Fri May 13 2011 - 10:21:56 MDT