[ncl-talk] wind_component not working for single values?

[Joe Grim]

Thank you, Guilherme and Bill!  I tried using both 6.3.0 and 6.4.0, and
both created the error.  Then, I checked in my .cshrc file and realized I
hadn't updated by $NCARG_ROOT from 6.3.0 to 6.4.0 (I had updated everything
else.)  It works now using 6.4.0.  It looks like it was a bug in 6.3.0.

Sorry for my mistake.

Joe

On Thu, Jul 13, 2017 at 9:48 AM, Bill Ladwig <ladwig at ucar.edu> wrote:

> Hi Joe,
>
> I think we're going to need to look at your script, because this works for
> me (NCL 6.4.0):
>
> ncl 1> uv = wind_component(17., 180., 0)
>> ncl 2> print (uv)
>>
>> Variable: uv
>> Type: float
>> Total Size: 8 bytes
>>             2 values
>> Number of Dimensions: 2
>> Dimensions and sizes:   [uv | 2] x [1]
>> Coordinates:
>> Number Of Attributes: 1
>>   long_name :   zonal [0] and meridional [1] wind components
>> (0,0)    0
>> (1,0)   17
>
>
> If you're able to run the code above via the NCL interpreter, then you
> should do a printVarSummary on the variables that you are passing to
> 'wind_component' to make sure it is what you think it is.  If the code
> snippet above fails for you, what version of NCL are you using?
>
> Regards,
>
> Bill
>
>
> On Thu, Jul 13, 2017 at 8:47 AM, Joe Grim <grim at ucar.edu> wrote:
>
>> Hi,
>>
>> When I try to use the valuable function "wind_component" with single
>> values (e.g.,  uv = wind_component(17.0,180.,0)), I get the following error
>> message:
>> fatal:Number of subscripts (1) and number of dimensions (2) do not match
>> for variable (uv)
>> fatal:["Execute.c":8575]:Execute: Error occurred at or near line 1279 in
>> file /usr/local/ncl/lib/ncarg/nclscripts/csm/contributed.ncl
>>
>> fatal:["Execute.c":8575]:Execute: Error occurred at or near line 4 in
>> file temp.ncl
>>
>> It looks like it expects "wspd" and "wdir" to have at least two elements
>> in both arrays.  I know how to program around this, but was wondering if
>> the intention for this function was to also deal with single values for
>> wspd and wdir?
>>
>> Thanks!
>>
>> Joe
>>
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>
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