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;************************************************
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; Read ascii, Write nc
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;************************************************
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
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;************************************************
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begin
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;---------------------------------------------------
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; final data
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c = addfile("amazon_mask_1x1.nc","c")
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nlat = 180
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nlon = 360
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;************************************************
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; read 1x1 mask data
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;************************************************
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diri = "/fis/cgd/cseg/people/jeff/clamp_data/observed/biomass/"
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fili = "mask_1x1.txt"
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t = asciiread(diri+fili,(/180,360/),"integer")
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printVarSummary(t)
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print (min(t)+"/"+max(t))
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lon = new((/nlon/),float)
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lat = new((/nlat/),float)
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; data is (89.5N->89.5S) (-179.5->179.5)
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; sam result
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; lon = fspan(-179.5,179.5,nlon)
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; lat = fspan( -89.5, 89.5,nlat)
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do i = 0,nlon-1
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lon(i) = -179.5 + i*(360./nlon)
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end do
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do j = 0,nlat-1
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; lat(j) = -89.5 + j*(180./nlat)
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lat(j) = 89.5 - j*(180./nlat)
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end do
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; print (lon)
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; print (lat)
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;=============================
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; create lat and long coordinate variables
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;============================
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lon!0 = "lon"
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lon@long_name = "lon"
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lon@units = "degrees-east"
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lon&lon = lon
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lat!0 = "lat"
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lat@long_name = "lat"
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lat@units = "degrees_north"
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lat&lat = lat
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;=============================
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; name dimensions of t and assign coordinate variables
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;============================
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t!0 = "lat"
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t!1 = "lon"
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t&lat = lat
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t&lon = lon
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t@long_name = "amazon mask"
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; t@units = ""
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t@_FillValue= -999
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t@missing_value= -999
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c->mask_amazon = t
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c->lat = lat
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c->lon = lon
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;************************************************
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; create default plot
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;************************************************
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wks = gsn_open_wks("ps","xy") ; open a ps file
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gsn_define_colormap(wks,"gui_default") ; choose colormap
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res = True ; Use plot options
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res@cnFillOn = True ; Turn on color fill
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res@gsnSpreadColors = True ; use full colormap
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; res@cnFillMode = "RasterFill" ; Turn on raster color
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; res@lbLabelAutoStride = True
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res@cnLinesOn = False ; Turn off contourn lines
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res@mpFillOn = False ; Turn off map fill
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res@gsnAddCyclic = False
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res@tiMainString = "LC15_amazon_biomass"
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res@mpMinLatF = -21.1 ; range to zoom in on
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res@mpMaxLatF = 13.8
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res@mpMinLonF = 277.28
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res@mpMaxLonF = 326.43
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res@gsnSpreadColors = True ; use full colormap
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res@cnLevelSelectionMode = "ManualLevels" ; Manual contour invtervals
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; res@cnMinLevelValF = 1. ; Min level
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; res@cnMaxLevelValF = 11. ; Max level
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; res@cnLevelSpacingF = 1. ; interval
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res@cnMinLevelValF = 0. ; Min level
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res@cnMaxLevelValF = 1. ; Max level
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res@cnLevelSpacingF = 0.1 ; interval
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; pres = True ; panel plot mods desired
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; pres@gsnMaximize = True ; fill the page
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plot = gsn_csm_contour_map_ce(wks,t,res) ; for observed
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end
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