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想请教一下大家,ncl画站点图的时候为什么只画出了部分站点?
1、排除了站点经纬度的问题;
2、程序之前用来画过738个站点的温度,是可以全部显示出来站点的;
3、改了数据的列数,出来的站点数不一致(本来是本来是420行,18列数据,只画出来23个站点;后来改成420行,7列,出来了50几个站点)
所以自己搞不太清楚是怎么回事。。。
程序:
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
;load "$NCARG_ROOT/lib/ncarg/nclscripts/cnmap/cnmap.ncl"
begin
FILES = systemfunc (" ls -1 "+"*.txt ") ;从这里开始到下面都是读取文件的命令
numFILES = dimsizes(FILES)
do i = 0,numFILES-1
data = asciiread(FILES(i),(/420,7/),"float")
Q = data(:,3)
lon = data(:,2)
lat = data(:,1)
olon = fspan(114,122,130)
olat = fspan(26,42,100)
olon!0 = "lon"
olon@long_name = "lon"
olon@units = "degrees-east"
olon&lon = olon
olat!0 = "lat"
olat@long_name = "lat"
olat@units = "degrees_north"
olat&lat = olat
Q@_FillValue = -999.000000
rscan = (/2.5,1.5,0.5/)
final = obj_anal_ic_deprecated(lon,lat,Q,olon,olat,rscan,False)
wks = gsn_open_wks ("png",FILES(i))
res = True
res@gsnMaximize = True
res@gsnDraw = False
res@gsnFrame = False
;>--------------------------------------------<
; set for the map
;>--------------------------------------------<
res@mpMinLatF = 26.
res@mpMaxLatF = 42.
res@mpMinLonF = 114.
res@mpMaxLonF = 122.
res@tmXBMode = "Explicit"
res@tmXBValues = (/114,116,118,120,122/)
res@tmXBLabels = (/"114~S~o~N~E","116~S~o~N~E","118~S~o~N~E","120~S~o~N~E","122~S~o~N~E"/)
res@tmXBMinorValues = fspan(114,122,31)
res@tmXBMinorOn = True
res@tmYLMode = "Explicit"
res@tmYLValues = (/26,28,30,32,34,36,38,40,42/)
res@tmYLLabels = (/"26~S~o~N~N","28~S~o~N~N","30~S~o~N~N","32~S~o~N~N","34~S~o~N~N","36~S~o~N~N","38~S~o~N~N","40~S~o~N~N","42~S~o~N~N"/)
res@tmYLMinorValues = fspan(22,42,26)
res@tmYLMinorOn = True
res@mpFillOn = False
res@mpOutlineOn = True
res@cnFillDrawOrder = "PreDraw"
res@mpDataBaseVersion = "MediumRes"
res@mpDataSetName = "Earth..4"
res@mpAreaMaskingOn = True
res@mpMaskAreaSpecifiers = (/"China","Taiwan","Disputed area between India and China","India:Arunachal Pradesh"/)
res@mpLandFillColor = "white"
res@mpInlandWaterFillColor = "white"
res@mpOceanFillColor = "white"
res@mpOutlineBoundarySets = "NoBoundaries"
res@mpOutlineSpecifiers = "China:states"
res@mpFillAreaSpecifiers = "China:states"
res@mpFillBoundarySets = "National"
;>--------------------------------------------<
;>--------------------------------------------<
res@cnFillOn = True
res@cnLinesOn = False
res@cnLevelSpacingF = 0.5
res@gsnSpreadColors = True
res@lbLabelAutoStride = True
res@gsnAddCyclic = False
res@cnLevelSelectionMode = "ManualLevels"
res@cnMinLevelValF = 4
res@cnMaxLevelValF = 10
res@cnLevelSpacingF = 0.5
map = gsn_csm_contour_map(wks,final,res)
;>------------------------------------------------------------<
station = asciiread("spr_1979.txt",(/420,7/),"float")
res2 = True
res2@gsMarkerIndex = 16
res2@gsMarkerSizeF = 6.
res2@gsMarkerColor = "black"
res2@tfPolyDrawOrder = "PostDraw"
res2@cnFillDrawOrder = "PostDraw"
plots=gsn_add_polymarker(wks,map,station(:,2),station(:,1),res2)
;delete(res2)
draw(map)
frame(wks)
end do
end
数据(截取部分):
40.38 116.87 5.31 5.42 5.02 5.54 5.48
38.23 115.73 5.60 5.53 4.72 5.97 5.66
37.50 117.53 5.69 5.79 5.00 5.96 5.79
37.63 120.33 5.25 5.96 6.03 5.82 5.78
36.23 115.63 6.19 6.44 5.79 6.63 6.44
35.57 118.83 5.77 6.27 5.92 5.97 6.14
32.33 116.28 8.34 7.85 7.42 8.53 8.14
33.47 119.77 7.47 7.28 7.02 7.58 7.48
32.07 121.60 7.71 7.91 7.72 8.11 7.90
30.03 122.10 8.32 8.58 8.32 8.40 8.40
38.85 115.13 5.74 5.75 5.53 6.29 5.95
38.30 114.38 5.87 5.84 5.58 6.33 6.04
38.63 114.68 5.69 5.69 5.33 5.77 5.80
38.45 114.55 5.99 6.11 5.89 6.44 6.29
38.02 115.07 5.88 5.94 5.52 6.32 6.07
38.15 114.57 5.97 6.04 5.78 6.27 6.16
38.73 114.98 5.85 6.01 5.68 6.59 6.20
38.03 114.13 5.55 5.59 5.10 5.19 5.50
38.27 114.22 6.16 5.95 5.68 6.44 6.20
38.35 114.68 6.04 5.88 5.67 6.29 6.15
38.52 115.00 5.90 5.60 5.09 6.00 5.82
38.03 114.83 6.10 6.08 6.17 6.62 6.38
38.03 114.42 5.85 5.74 5.51 6.42 6.02
38.18 114.95 5.90 6.08 5.70 6.44 6.20
36.33 114.62 6.46 6.26 5.77 6.69 6.49
36.87 114.47 5.99 6.11 5.62 6.70 6.31
37.75 114.78 6.12 6.21 6.05 6.78 6.47
37.52 114.67 6.45 6.25 5.98 6.65 6.53
37.88 114.63 6.29 6.44 6.21 6.83 6.62
37.60 114.62 6.04 6.04 5.45 6.45 6.20
37.77 114.52 5.94 6.03 5.54 6.41 6.17
37.45 114.48 5.90 5.60 5.09 5.85 5.80
37.35 114.75 6.35 6.18 5.81 6.66 6.46
37.65 114.37 5.44 5.71 5.33 5.77 5.69
file:///C:\Users\zxt\AppData\Roaming\Tencent\Users\502067133\QQ\WinTemp\RichOle\O]JC_6ISKAFQIS{3ZN2~)_7.png
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