[ncl-talk] ensamble script

[Mary Haley]

You can only use the High-Res map database for coastal outlines, and not
for internal outlines.

If you need more high-res outlines with WRF output files, then I recommend
using shapefiles.

See example shapefiles_14.ncl which shows how to add shapefile outlines to
a plot's been generated with wrf_xxxx routines:

http://www.ncl.ucar.edu/Applications/shapefiles.shtml#ex14

The key is that you need to set:

  pltres = True
  mpres = True

; Tells wrf_map_overlays not to remove contours
  pltres at PanelPlot  = True
  plot = wrf_map_overlays(a,wks,contour,pltres,mpres)

before you call wrf_map_overlays, which keeps the plot intact so you can
add shapefile outlines with code that looks something like this:

;---Attach the shapefile outlines lnres = True lnres at gsLineColor = "gray25"
;lnres at gsLineThicknessF = 0.5

  id = gsn_add_shapefile_polylines(wks,plot,"*xxxx*.shp",lnres)

  draw(plot)
  frame(wks)

--Mary




On Mon, Jan 23, 2017 at 5:43 PM, Luis del Castillo <
luis.delcastillo at cathalac.int> wrote:

> Thanks everything seems to work just fine Mary Haley. Another question how
> to draw in land borders lines when using mpres at mpDataBaseVersion      =
> "HighRes".
>
> I was using
>
>   mpres at mpOutlineBoundarySets  = "National"
>
>   mpres at mpNationalLineColor    = "Black"
>
>   mpres at mpNationalLineThicknessF = 2.0
>
> But It seems to be ignore by the mpDataBaseVersion
>
>
>
> Thanks
>
> *From:* Mary Haley [mailto:haley at ucar.edu]
> *Sent:* lunes, 23 de enero de 2017 1:31 p. m.
> *To:* Luis del Castillo
> *Cc:* ncl-talk at ucar.edu
> *Subject:* Re: [ncl-talk] ensamble script
>
>
>
> Luis,
>
>
>
> What exactly do you mean that each WRF file has "a difference scheme"?
>
>
>
> If all of your WRF plots are defined over the same lat/lon area and the
> same map projection parameters, then you can call wrf_contour with any one
> of your "a" variables:
>
> contour_tend = wrf_contour(a1[0],wks,prep_tot_ens,opts_r) ; total (color)
>
>
> I'm guessing this has to be the case, because you are doing calculations
> on arrays read from different files.  If they weren't on the same lat/lon
> grid, then your calculations would potentially be wrong.
>
> --Mary
>
>
>
>
>
> On Fri, Jan 20, 2017 at 7:09 PM, Luis del Castillo <
> luis.delcastillo at cathalac.int> wrote:
>
> Hi fellows good evening
>
>
>
> I am having some issue trying to create an ensemble script with ncl, the
> idea is to take 3 different wrfout each one has a different scheme and used
> to do a 1hr accum precipitation average. On the attached file you can see I
> got almost everything ready but get stock at the end with the WRF ncl
> function wrf_countour this function needs the  ( file , wks, prep_tot_ens,
> opts_r) but as you see I have 3 a ‘s, a1 is from Schem 1, a2 from Schem 2,
> a3 Schem 3. So I cant not use it with the wrf_countour function so I am a
> little bit lost I am new with NCL and I got this running with GRADS.
>
>
>
> thanks
>
>
>
> [image: Description: http://www.cathalac.org/firma/format_02a.gif]
>
> *[image: Description: http://www.cathalac.org/firma/logocatha.gif]*
> <http://www.cathalac.org/>
> * Luis Alejandro Del Castillo Riley *
> *Gerente de Tecnologia*
> DIVISIÓN DE TECNOLOGÍAS DE LA INFORMACIÓN Y COMUNICACIÓN
> Tel: 507-317-3235 <(507)%20317-3235>
>
> *Email: **luis.delcastillo at cathalac.int <luis.delcastillo at cathalac.int>*
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