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本人新人一枚,因写论文需要学习ncl。。
在初步学习中遇到个问题
就是我的画矢量风和在底图上标注,截取经纬度等我能顺利出图
但是我把两个合在一起就不能出我想要的图了
它只会给我出没有矢量风图 但是有地名标注且选好经纬度的底图
如何才能画出满足上述两个条件的图呢?
希望有大神走过路过能帮我看看程序
谢谢!
以下是我的程序:
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" 、
begin
lat_tulufan = 42.0
lon_tulufan = 88.0
fu = addfile("uwnd.2019.nc","r")
fv = addfile("vwnd.2019.nc","r")
u = fu->uwnd(0,{850},:,:)
v = fv->vwnd(0,{850},:,:)
wks = gsn_open_wks("png","poly_ex")
res = True
res@gsnFrame = False
res@gsnDraw = False
res@gsnMaximize = True
res@gsnLeftString = ""
res@gsnRightString = ""
res@pmTickMarkDisplayMode = "Always"
res@mpMinLatF = 20
res@mpMaxLatF = 70
res@mpMinLonF = 30
res@mpMaxLonF = 120
base = gsn_csm_map(wks,res)
mkres = True
mkres@gsMarkerColor = "black"
mkres@gsMarkerSizeF = 0.02
mkres@gsMarkerIndex = 4
dum1 = gsn_add_polymarker(wks,base,lon_tulufan,lat_tulufan,mkres)
txres = True
txres@txFontHeightF = 0.015
txres@txFontColor = "black"
dum2 = gsn_add_text(wks,base,"Tulufan",lon_tulufan,lat_tulufan+4.0,txres)
res@vcGlyphStyle = "FillArrow"
res@vcFillArrowEdgeColor = "white"
res@vcFillArrowFillColor = "black"
res@vcMinMagnitudeF = "5.0"
res@vcMinDistanceF = "0.02"
res@vcFillArrowMinFracWidthF = 1.0
res@vcFillArrowHeadMinFracXF = 1.0
res@vcFillArrowHeadMinFracYF = 1.0
res@vcFillArrowMinFracWidthF = 1.0
res@vcFillArrowHeadMinFracXF = 1.0
res@vcFillArrowHeadMinFracYF = 1.0
res@vcRefAnnoOn = True
res@vcRefMagnitudeF = 20
res@vcRefLengthF = 0.04
res@vcRefAnnoBackgroundColor = "white"
res@vcRefAnnoPerimOn = False
res@vcRefAnnoFontHeightF = 0.015
res@vcRefAnnoString1On = False
res@vcRefAnnoString2On = True
res@vcRefAnnoString2 = "20 m/s"
plot = gsn_csm_vector_map(wks,u,v,res)
draw(base)
frame(wks)
end
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