Re: How to make ref vector smaller in size

Hi Soumik,
You can use the where function to mask your data when it doesn't meet a
specific criteria:
x = where(x.lt.0.5,x@_FillValue,x)

http://www.ncl.ucar.edu/Document/Functions/Built-in/where.shtml

Adam

On 10/2/12 1:39 PM, Rick Brownrigg wrote:
> Hi Soumik,
>
> The cvRefLengthF is given specified in NDC coordinate space (i.,e., 0,--1.). A value of 0.5 would span half the plot, which looks about right in the example you've given.
>
> Rick
>
> On Oct 2, 2012, at 1:26 PM, Soumik Basu wrote:
>
>> Hi,
>>
>> I am trying to make a vector plot. I am attaching the plot. Can anyone suggest me how do I make the ref vector smaller in size keeping the arrows in the plot exactly the same size as they are now.
>> Also is it possible to plot only vectors above a certain magnitude so that I can filter out the small vector arrows. Here is my vector resources:
>>
>>
>> vres = True
>> vres@vcRefMagnitudeF = 1e+06 ; make vectors larger
>> vres@vcRefLengthF = 0.5 ; ref vector length
>> vres@vcGlyphStyle = "LineArrow" ; turn on curly vectors
>> vres@vcMinDistanceF = 0.01 ; thin the vectors
>> vres@vcRefAnnoOrthogonalPosF = -0.13 ; Move ref anno into plot
>>
>> vres@mpCenterLonF = 180
>>
>>
>> Thanks,
>> Soumik
>>
>> --
>> "Numbing the pain for a while will make it worse when you finally feel it.
>> ~J.K. Rowling"
>> *****************************************
>> Soumik Basu
>> Graduate Student, Research Assistant
>> International Arctic Research Center
>> University of Alaska Fairbanks
>> Fairbanks,Alaska,USA
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Received on Tue Oct 2 13:44:01 2012