[ncl-talk] Sub: MaskArea...

[Mary Haley]

I didn't look in detail at why your script wasn't working, since I couldn't
actually run it.

Instead, I took the "mask_8.ncl" example and slightly modified it.
Hopefully you can figure out how to incorporate this into your code.

See attached.

--Mary


On Sun, Mar 27, 2016 at 6:41 PM, Adv <advita6 at gmail.com> wrote:

> Hi ,
> I have been trying to mask specific states. I didn't get any error, though
> no specified region is masked out. Could someone help me to fix this?
>
> Thank you
> ;**************************************************
> ; plot parameters
> ;**************************************************
>
> wks = gsn_open_wks("x11","test")
>   gsn_define_colormap(wks,"BlWhRe")       ; choose colormap
> ;  gsn_define_colormap(wks,"testcmap")       ; choose colormap
>   plot = new(neof,graphic)                ; create graphic array
>                                           ; only needed if paneling
> ; EOF patterns
>
>   res                      = True
>   res at gsnDraw              = False        ; don't draw yet
>   res at gsnFrame             = False        ; don't advance frame yet
>
> ;---This resource not needed in V6.1.0
>   res at gsnSpreadColors      = True         ; spread out color table
> res at cnLevelSelectionMode = "ManualLevels"  ; set manual contour levels
>   res at cnMinLevelValF       = -2       ; set min contour level
>   res at cnMaxLevelValF       = 2      ; set max contour level
>   res at cnLevelSpacingF      = 0.25      ; set contour spacing
>
>
>   res at gsnAddCyclic         = False        ; plotted dataa are not cyclic
>
>   res at mpFillOn             = False        ; turn off map fill
> res at mpMinLatF            = prc&lat(0)+3         ; zoom in on map
>   res at mpMaxLatF            = prc&lat(nlat-1)
>   res at mpMinLonF            = prc&lon(0)
>   res at mpMaxLonF            = prc&lon(mlon-1)
> ;res at mpCenterLonF         = Center
>
>  res at cnFillOn             = True         ; turn on color fill
>   res at cnLinesOn            = False        ; True is default
> res at cnLineLabelsOn       = False
>   res at lbLabelBarOn         = False        ; turn off individual lb's
> res at mpDataBaseVersion           = "Ncarg4_1"
>   res at mpDataSetName               = "Earth..4"   ; For counties
> res at mpAreaMaskingOn = True
> res at mpMaskAreaSpecifiers  =(/"North Dakota","Montana" /)
> ;res at mpSpecifiedFillColors       = (/"white","transparent"/)
>
> ;  res at mpInlandWaterFillColor      = "white"
>   res at mpLandFillColor             = "transparent"
>
>   res at mpOutlineOn                 = True
> res at mpGeophysicalLineThicknessF = 3.0
> res at mpGeophysicalLineColor = "Black"; (/22/)
> res at mpOutlineBoundarySets = "GeophysicalAndUSStates" ; add state
> boundaries
> res at mpNationalLineColor  = res at mpGeophysicalLineColor
> res at mpUSStateLineThicknessF = 3.0
> res at mpUSStateLineColor  = res at mpGeophysicalLineColor
>
>
>
>
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