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; ***********************************************
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; xy_4.ncl
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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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;************************************************
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begin
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;************************************************
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; read in data
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;************************************************
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;f = addfile ("data.81.nc","r")
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f = addfile ("data.933.nc","r")
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x = f->SITE_ID ; get t data
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;y = f->PREC_ANN ; get t data
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y = f->TNPP_C ; get t data
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x@long_name = "SITE_ID"
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;y@long_name = "PREC_ANN"
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y@long_name = "TNPP_C"
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;************************************************
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; plotting parameters
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;************************************************
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wks = gsn_open_wks ("png","xy") ; open workstation
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res = True ; plot mods desired
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;res@tiMainString = "Observed 81 sites" ; add title
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res@tiMainString = "Observed 933 sites" ; add title
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res@xyMarkLineModes = "Markers" ; choose which have markers
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res@xyMarkers = 16 ; choose type of marker
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res@xyMarkerColor = "red" ; Marker color
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res@xyMarkerSizeF = 0.01 ; Marker size (default 0.01)
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res@tmLabelAutoStride = True ; nice tick mark labels
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;plot = gsn_csm_xy (wks,t&nvalues,t(:),res) ; create plot
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plot = gsn_csm_xy (wks,x,y,res) ; create plot
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;************************************************
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; now create our own markers using NhlNewMarker
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; available since ncl version 4.2.0.a030
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;************************************************
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; this example will create filled squares. You will have to play with
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; the numbers a but to get the size and shape you desire. On the
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; documentation page for NhlNewMarker, there is a table of values for
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; the current marker set, to give you an idea of where to start.
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; res@xyMarkerColor = "blue"
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; res@tiMainString = "Make your own marker"
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; res@xyMarkers = NhlNewMarker(wks, "^", 19, 0.0, 0.0, 1.3125, 1.5, 0.0)
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; plot = gsn_csm_xy (wks,x,y,res)
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end
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