[gradsusr] Help: How to customize contour label in GrADS?

[Ricardo Hallak]

Hi Jennifer, 

I think JH Yap wants to get a contour label with something like, for example, "21JAN" instead the julian day 21, and so on. His contour levels are julian days. I guess it is kind of difficult to do, if not impossible. That is, to get julian days as contour levels in a map, certainly it comes from a matrix of data composed by julian days, one julian day (a number) for each grid point. How to get the same information using a "string" date? The problem here is that contours, in GrADS, comes from numbers, through a process of interpolation (numbers again), not from strings. How to interpolate "strings"? 

Maybe JH Yap could give us an example of contour label he wants, just to clarify a bit more. 

Ricardo 

----- Mensagem original -----

> De: "Jennifer Adams" <jma at cola.iges.org>
> Para: "GrADS Users Forum" <gradsusr at gradsusr.org>
> Enviadas: Quinta-feira, 16 de Janeiro de 2014 12:48:26
> Assunto: Re: [gradsusr] Help: How to customize contour label in
> GrADS?

> Are you interesting in changing the contour labels or the axis
> labels? For contour labels, 'set clab' is the most general, and 'set
> clopts' and 'set clskip' control their appearance. For axis labels,
> most of the controls do not apply to a date/time axis, so you have
> to override manually with 'set xlabs'. --Jennifer

> On Jan 15, 2014, at 3:36 AM, 얍준후이 wrote:

> > Hi GrADS team,
> 

> > I have displayed my contour by default like this
> 

> > ga-> set gxout contour
> 
> > ga -> d flowers
> 
> > Contouring: 80 to 145 interval 5
> 

> > Then I get my contour presented in map as per the image attached.
> 

> > The contour label is julian date.
> 

> > Now I would like to change the contour label to regular date.
> 

> > I already made a function for julian date to regular date
> > conversion
> > in GrADS script language.
> 

> > How could I customize the default contour label (julian date) to
> > regular date by using my function?
> 

> > Thank you
> 

> > -------------------------
> 
> > JH Yap, M.Eng.
> 

> > Software Development Engineer / Safe Korea
> 

> > Office: +82-02-2668-3926
> 
> > Mobile: +82-10-8281-3241
> 
> > E-mail: jhyap at safekorea.co.kr
> 

> > <how to change contour label.JPG>
> > _______________________________________________
> 
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> 
> > gradsusr at gradsusr.org
> 
> > http://gradsusr.org/mailman/listinfo/gradsusr
> 

> --
> Jennifer M. Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
> 111 Research Hall, Mail Stop 2B3
> George Mason University
> 4400 University Drive
> Fairfax, VA 22030

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