Re: Reference vector not shown

Hi Luis,

This is quite curious -- I looked at WRFUserARW.ncl, and although the function wrf_vector() sets vcRefAnnOn to False by default, there's code in there to preserve whatever value vcRefAnnOn has if you explicitly set it in the resources you pass into wrf_vector(). And seems confirmed by the fact when you set it, it triggered the "…not a valid resource…" warning. I tried to trace where this warning message comes from, but I could not find it.

So I'm not sure what to suggest here. If you wanted to post your data and script to our FTP site, I could trace the problem further (see http://www.ncl.ucar.edu/report_bug.shtml#HowToFTP)

BTW: The fontconfig error is a nusaunce, but otherwise harmless.

Rick

On Oct 11, 2013, at 5:01 AM, Luis Cesareo Cana Cascallar <luis.cana@ulpgc.es> wrote:

> Hi,
>
> I've tried to set the following variable:
> …
> opts_v = res ; Add basic resources
> opts_v@vcRefAnnOn = True ; Change behaviour to normal mode again
> …
>
> But it's not enough. I get the following warning:
>
> warning:vcRefAnnOn is not a valid resource in SBF_10_vector at this time
> Fontconfig error: Cannot load default config file
>
> I forgot to mention that I'm using NCL 6.1.2.
>
> Well, what's next? Should I modify the WRFUserARW.ncl script in order to allow reference vectors again? Or may I force ncl to override this setting?
>
>
> Best,
>
> Luis
>
>
>
> El 10/10/2013, a las 17:40, Rick Brownrigg <brownrig@ucar.edu> escribió:
>
>> Hi Luis,
>>
>> I don't really know for certain what's going on. However, what happens if you comment out this line:
>>
>> opts_v@vcRefAnnoOrthogonalPosF = -.535
>>
>> The docs for vcRefAnnoSide indicate its default setting is "Bottom", and further that vcRefAnnoOrthogonalPosF is constrained to be positive. I take it you're not get errors/warnings?
>>
>> Hope that yields some insight…
>> Rick
>>
>>
>> On Oct 10, 2013, at 10:00 AM, Luis Cesareo Cana Cascallar <luis.cana@ulpgc.es> wrote:
>>
>>> Dear all,
>>>
>>> I'm trying to plot the 10m wind field over a map from a WRF-ARW output. Everything is fine except for the reference vector, because it´s never plotted
>>> <SBF_10.png>
>>> . The minimum wind is 0 m/s and the maximum is over 8 m/s, with a reference magnitude of 5 m/s. Could anyone see were is wrong the script? Perhaps because I've chosen a curly vector? Please, see attached files with the output figure and the code.
>>>
>>> Cheers,
>>>
>>> Luis Cana
>>> ULPGC
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Received on Fri Oct 11 10:52:30 2013