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zonal t随纬度和高度的变化,画等高线图,垂直坐标设成气压对数坐标,理想的是1000,,100,10,1,10-1,10-2,10-3,10-4,10-5。
66层气压。 画图出错,出不来气压对数。报错:
warning:_NhlCreateSplineCoordApprox: Attempt to create spline approximation for Y axis failed: consider adjusting trYTensionF value
warning:IrTransInitialize: error creating spline approximation for trYCoordPoints; defaulting to linear
warning:IrTransInitialize: LogAxis requires all positive data extent: defaulting trYAxisType to LinearAxis
程序如下:
16 zave = dim_avg_Wrap(T) ; calculate zonal ave
17 ;************************************************
18 p=in->lev_p
19 ;************************************************
20 ; create plot
21 ;************************************************
22 wks = gsn_open_wks("ps","zonalt") ; Opens a ps file
23 res = True ; plot mods wanted
24 res@sfYArray = p ; put eta on y-axis
25 res@sfXArray = zave&lat ; put lat on x-axis
26 res@tiXAxisString = "latitude" ; x-axis label
27 res@tiYAxisString = "p" ; y-axis label
28 res@cnInfoLabelOn=False
29 res@trXReverse =True
30 res@cnLevelSpacingF=10
31 res@gsnYAxisIrregular2Log = True ; convert y-axis to linear
32 res@cnLevelSpacingF=10
33 plot = gsn_csm_contour(wks,zave,res) ; creates plot
34 end
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