I am trying to get some polymarkers on a map with 3 distinct colors.
However, I get the first and last colors requested but the second
requested markers are ploted with the last color requested. See below.
I get the Blue and Green but not the FireBrick.
res = True
res@mpFillOn = False ; turn off gray fill
res@lbPerimOn = False
res@mpOutlineBoundarySets = "National" ; turn on country
boundaries
res@mpGeophysicalLineColor = "Gray50" ; color of cont. outlines
res@mpGeophysicalLineThicknessF = 1 ; thickness of outlines
res@mpOutlineBoundarySets = "AllBoundaries" ; add state boundaries
res@mpUSStateLineColor = "black" ; make them red
res@mpUSStateLineThicknessF = 1.25 ; thickness of outlines
res@mpDataBaseVersion = "Ncarg4_1"
res@mpDataSetName = "Earth..2"
res@mpMaxLatF = 43 ; choose subregion
res@mpMinLatF = 39
res@mpMaxLonF = -74
res@mpMinLonF = -81
res@gsnMaximize =True
res@gsnDraw=False
res@gsnFrame=False
map = gsn_csm_map_ce(wks,res) ; draw map
res@gsMarkerIndex = 16 ; polymarker style
res@gsMarkerSizeF = 6 ; polymarker size
draw(map)
res@gsMarkerColor ="NavyBlue"
gsn_polymarker(wks,map,anno_lon_bos,anno_lat_bos,res)
res@gsMarkerColor ="FireBrick4"
gsn_polymarker(wks,map,anno_lon_ssi,anno_lat_ssi,res)
res@gsMarkerColor ="DarkGreen"
gsn_polymarker(wks,map,anno_lon_nu,anno_lat_nu,res)
frame(wks)
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