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Re: [ferret_users] Irregular Grid data Plot on ferret?
Hi Steve
Thanks for your reply.
But my problem is not Lack of basemap.
My question is:
Is Ferret can do plot(shade, or vector) with an irregular gridded data(from finite element model) without Object Analysis.
Such dataset won't have 2-D definition for variables, usually only 1-D definition.
Like
I J K L
Lat 1:10 : : :
Lon 1:10 : : :
Var 1:10 : : :
Variables location are defined as an irregular grid (Lat, Lon).
However, Ferret only do "shade" or "vector" plot for 2-D variables.
Any comments or suggestions?
Sincerely, dan
2007/4/26, Steve Guimond <guimond@xxxxxxxxxxxxxxxxx>:
Hi,
Try laying down a basemap first, then using the shade command.
go basemap x=...
=======================================================
Stephen R. Guimond
Graduate Research Assistant
Center for Ocean-Atmospheric Prediction Studies (COAPS)
=======================================================
On Thu, 26 Apr 2007, Yu, Hao-Cheng wrote:
> Dear ferreters,
>
> I know Ferret can deal with grided data (for finite difference method) and
> it always works perfectly.
> However, after searching on the mail archives and UserGuide.
> Irregular dataset(like finite element method) seems only can be plotted by
> Regriding process(like objective analysis).
> I try with "3-arguments shade (even vector)", and Ferret tells if the
> dataset is not define as 2D, this won't work.
>
> file/var=lon,lat,tmp test.dat
> shade tmp,lon,lat
>
> test.dat contains 3 columns data which define each element node location and
> the property to plot (shade).
> Is it possible to "shade" or "vector" on irregular grid?
>
> Sincerely, Dan
>
>
>
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