Hi,
I'm trying to plot a map of the Atlantic Ocean, with some points annotated.
Here's what I'm trying to use--I'm trying to plot a "+" sign at the latitude
and longitude specified below.
Any suggestions? Thanks in advance!
;================================================;
; newsat.ncl
;================================================;
load "$NCARG_ROOT/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/ncarg/nclscripts/csm/gsn_csm.ncl"
; ================================================;
begin
;************************************************
; create plot
;************************************************
wks = gsn_open_wks("pdf","sat") ; open a pdf file
gsn_define_colormap(wks,"testcmap") ; choose colormap
i = NhlNewColor(wks,0.8,0.8,0.8) ; add gray to map
res = True ; plot mods desired
xyres = True
res@mpProjection = "Satellite" ; choose map projection
res@mpCenterLonF = -75. ; choose center lon
res@mpCenterLatF = 35. ; choose center lat
res@mpCenterRotF = -90. ;
res@mpLimitMode = "LatLon" ; required
res@mpMinLatF = 8. ; min lat
res@mpMaxLatF = 65. ; max lat
res@mpMinLonF = -110. ; min lon
res@mpMaxLonF = -40. ; max lon
res@pmTickMarkDisplayMode = "Always" ; turn on automatic tickmarks
res@mpGridAndLimbOn = True ; turn on lat/lon lines
res@mpGridLatSpacingF = 5 ; Lat spacing (degrees)
res@mpGridLonSpacingF = 5 ; Lon spacing (degrees)
;res@mpGridMaskMode = "MaskLand" ; Mask grid over land.
res@mpGridMaskMode = "MaskNone" ; Mask grid over land.
res@mpPerimOn = False ; Turn off perimeter
res@gsnMaximize = True ; enlarge plot
;res@tiMainString = "Example of Zooming a Sat Projection"
;res@gsnAddCyclic = False
res@gsnFrame = False
;
; Now plot a point indicating 46.77 N 48.016 W
;
; first, set parameter so wmlabs uses lat/lon instead of x/y
wmsetp("ezf",0)
plot = gsn_csm_map(wks,res)
gsn_text_ndc(wks,"+", 46.77, -48.016,res)
frame(wks)
end
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