forrest@0: ;*************************************************
forrest@0: ; ce_1.ncl
forrest@0: ;************************************************
forrest@0: load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"  
forrest@0: load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"  
forrest@0: ;************************************************
forrest@0: begin
forrest@0: ;************************************************
forrest@0: ; read in observed data
forrest@0: ;************************************************
forrest@0: ;f     = addfile ("Npp_0.05deg_mean.nc","r")
forrest@0: ;y     = f->NPP(::10,::10)                 ; for observed 0.05deg
forrest@0:  f     = addfile ("Npp_T42_mean.nc","r")
forrest@0:  y     = f->NPP
forrest@0: ;************************************************
forrest@0: ; read in model data
forrest@0: ;************************************************
forrest@0:  g     = addfile ("i01.03cn_1545-1569_ANN_climo.nc","r")
forrest@0: ;g     = addfile ("i01.04casa_1605-1629_ANN_climo.nc","r")
forrest@0:  x     = g->NPP
forrest@0: 
forrest@0:  delta = 0.00000000001
forrest@0:  x0    = x(0,:,:)
forrest@0:  y = where(ismissing(y).and.(ismissing(x0).or.(x0.lt.delta)),0.,y)
forrest@0: 
forrest@0:  y@units = "gC/m^2/year" 
forrest@0: ;************************************************
forrest@0: ; create default plot
forrest@0: ;************************************************
forrest@0:   
forrest@0: ; setvalues NhlGetWorkspaceObjectId()
forrest@0: ;   "wsMaximumSize" : 199999999
forrest@0: ; end setvalues
forrest@0: 
forrest@0:   wks = gsn_open_wks("png","xy")         ; open a ps file
forrest@0: ; gsn_define_colormap(wks,"wgne15")          ; choose colormap
forrest@0:   gsn_define_colormap(wks,"gui_default")     ; choose colormap
forrest@0: 
forrest@0:   res                     = True             ; Use plot options
forrest@0:   res@cnFillOn            = True             ; Turn on color fill
forrest@0:   res@gsnSpreadColors      = True            ; use full colormap
forrest@0: ; res@cnFillMode          = "RasterFill"     ; Turn on raster color
forrest@0: ; res@lbLabelAutoStride   = True
forrest@0:   res@cnLinesOn           = False            ; Turn off contourn lines
forrest@0:   res@mpFillOn            = False            ; Turn off map fill
forrest@0:   res@tiMainString        = "Observed MODIS MOD 17"
forrest@0: ; res@tiMainString        = "Model i01.03cn"
forrest@0: ; res@tiMainString        = "Model i01.04casa"
forrest@0: 
forrest@0:   res@gsnSpreadColors     = True             ; use full colormap
forrest@0:   res@cnLevelSelectionMode = "ManualLevels"    ; Manual contour invtervals
forrest@0:   res@cnMinLevelValF       = 0.                ; Min level
forrest@0:   res@cnMaxLevelValF       = 2200.             ; Max level
forrest@0:   res@cnLevelSpacingF      = 200.              ; interval
forrest@0: 
forrest@0:   plot = gsn_csm_contour_map_ce(wks,y,res)         ; for observed
forrest@0: 
forrest@0: end