[ncl-talk] problem using RANGS database

[Rick Brownrigg]

Hi,

By default, NCL looks for this in $NCARG_ROOT/lib/ncarg/database/rangs,
which is not necessarily the same as "/lib/ncarg/database/rangs"
You might check to see what the value of $NCARG_ROOT is, if any. One can
always override the default location by setting the NCARG_RANGS environment
variable. In your case:

export NCARG_RANGS=/lib/ncarg/database/rangs

There's a FAQ on this for further information

http://ncl.ucar.edu/FAQ/#err_msgs_028



On Fri, Apr 13, 2018 at 7:23 AM, Juan Carlos Anduckia <janducki at yahoo.com>
wrote:

> Hello :
> A very basic issue. I'm using NCL v 6.3.0 and I have the following problem
> running a WRF-precipitation script when using the High Resolution option
> via RANGS:
>
> fatal:MapRGDHDrawMapList: MDRGOL/MDRGOF - ERROR OPENING RANGS/GSHHS CAT
> FILE
> fatal:PlotManagerPostDraw: error in plot post-draw
> fatal:_NhlPlotManagerDraw: PostDraw error
>
> I have seen this error reported in the list more than once but still
> wonder why the problem might be in my case.
> My rangs files:
>
> $ ls -l /lib/ncarg/database/rangs/
> total 137648
> -rw-r--r--. 1 root root 89496428 May 13  1997 gshhs(0).rim
> -rw-r--r--. 1 root root 20775224 May 13  1997 gshhs(1).rim
> -rw-r--r--. 1 root root  5099196 May 13  1997 gshhs(2).rim
> -rw-r--r--. 1 root root  1109192 May 13  1997 gshhs(3).rim
> -rw-r--r--. 1 root root   170948 May 13  1997 gshhs(4).rim
> -rw-r--r--. 1 root root   259200 May  6  1997 rangs(0).cat
> -rw-r--r--. 1 root root  6518664 Feb  1  1999 rangs(0).cel
> -rw-r--r--. 1 root root   259200 May  6  1997 rangs(1).cat
> -rw-r--r--. 1 root root  5945492 Feb  1  1999 rangs(1).cel
> -rw-r--r--. 1 root root   259200 May  6  1997 rangs(2).cat
> -rw-r--r--. 1 root root  4062215 Feb  1  1999 rangs(2).cel
> -rw-r--r--. 1 root root   259200 May  5  1997 rangs(3).cat
> -rw-r--r--. 1 root root  3398642 Feb  1  1999 rangs(3).cel
> -rw-r--r--. 1 root root   259200 May  5  1997 rangs(4).cat
> -rw-r--r--. 1 root root  3045848 Jan 29  1999 rangs(4).cel
>
> The pertinent part of the script:
>     wks = gsn_open_wks(type,"avgprec_car")
>     res = True
>     res at Footer = False
>     pltres = True
>     mpres = True
>     mpres at mpGeophysicalLineColor        = "Black"
>     mpres at mpGeophysicalLineThicknessF   = 5
>     mpres at mpDataBaseVersion             = "HighRes"
>     mpres at mpGridLineColor               = "Black"
>     mpres at mpLimbLineColor               = "Black"
>     mpres at mpPerimLineColor              = "Black"
>
>     ;Plotting options for Sea Level Pressure
>     opts_psl = res
>     opts_psl at ContourParameters = (/ 900., 1100., 2. /)
>     opts_psl at cnLineColor       = "Blue"
>     opts_psl at cnInfoLabelOn     = False
>     opts_psl at cnLineLabelFontHeightF = 0.01
>     opts_psl at cnLineLabelPerimOn = False
>     opts_psl at gsnContourLineThicknessesScale = 1.5
>     opts_psl at FieldTitle = "Presion a nivel del mar (hPa)"
>     contour_psl = wrf_contour(e1,wks,slp,opts_psl)
>     delete(opts_psl)
>     ;Plotting options for precipitation
>     opts_r = res
>     opts_r at UnitLabel            = "mm"
>     opts_r at cnLevelSelectionMode = "ExplicitLevels"
>     opts_r at cnLevels             = (/ 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, \
>                                             12.8, 25.6, 51.2, 102.4/)
>     opts_r at cnFillColors         = (/"White","White","DarkOliveGreen1", \
>                                           "DarkOliveGreen3","Chartreuse",
> \
>                                             "Chartreuse3","Green","ForestGreen",
> \
>                                             "Yellow","Orange","Red","
> Violet"/)
>     opts_r at cnInfoLabelOn        = False
>     opts_r at cnConstFLabelOn      = False
>     opts_r at cnFillOn             = True
>    ; Total Precipitation (color fill)
>     contour_tot = wrf_contour(e1,wks, rain_tot, opts_r)
>    ; Precipitation Tendencies
>     opts_r at SubFieldTitle = "desde " + times_sav + " hasta " + times(it)
>     contour_tend = wrf_contour(e1,wks, rain_tot_tend,opts_r) ; total
> (color)
>     contour_res = wrf_contour(e1,wks,rain_exp_tend,opts_r)   ; exp (color)
>     opts_r at cnFillOn = False
>     opts_r at cnLineColor = "Red4"
>     contour_prm = wrf_contour(e1,wks,rain_con_tend,opts_r)   ; con (red
> lines)
>     delete(opts_r)
>     ; MAKE PLOTS
>     ; Total Precipitation
>     ;  plot = wrf_map_overlays(e1,wks,contour_tot,pltres,mpres)
>     ; Total Precipitation Tendency + SLP
>     plot = wrf_map_overlays(e1,wks,(/contour_tend,contour_psl/),
> pltres,mpres)
>
> I enclose images of what I get using the option "MediumRes" versus the
> option "HighRes".
> Besides, how do I get written in the color bar "0.2   0.4" instead of
> ".2   .4" ?
>
> Thank you,    Juan
>
>
>
>
>
>
>
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