diff -r 000000000000 -r 0c6405ab2ff4 npp/11.scatter.ncl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/npp/11.scatter.ncl	Mon Jan 26 22:08:20 2009 -0500
@@ -0,0 +1,53 @@
+; ***********************************************
+; xy_4.ncl
+; ***********************************************
+load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
+load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
+;************************************************
+begin
+;************************************************
+; read in data
+;************************************************
+;f     = addfile ("data.81.nc","r")
+ f     = addfile ("data.933.nc","r")
+ x     = f->SITE_ID                               ; get t data
+;y     = f->PREC_ANN                              ; get t data
+ y     = f->TNPP_C                                ; get t data
+ 
+ x@long_name = "SITE_ID"
+;y@long_name = "PREC_ANN"
+ y@long_name = "TNPP_C"
+ 
+;************************************************
+; plotting parameters
+;************************************************
+ wks   = gsn_open_wks ("png","xy")                 ; open workstation
+
+ res                   = True                     ; plot mods desired
+;res@tiMainString      = "Observed 81 sites"            ; add title
+ res@tiMainString      = "Observed 933 sites"           ; add title
+ res@xyMarkLineModes   = "Markers"                ; choose which have markers
+ res@xyMarkers         =  16                      ; choose type of marker  
+ res@xyMarkerColor     = "red"                    ; Marker color
+ res@xyMarkerSizeF     = 0.01                     ; Marker size (default 0.01)
+
+ res@tmLabelAutoStride = True                     ; nice tick mark labels
+
+;plot  = gsn_csm_xy (wks,t&nvalues,t(:),res) ; create plot
+ plot  = gsn_csm_xy (wks,x,y,res) ; create plot
+
+;************************************************
+; now create our own markers using NhlNewMarker 
+; available since ncl version 4.2.0.a030
+;************************************************
+; this example will create filled squares. You will have to play with
+; the numbers a but to get the size and shape you desire. On the
+; documentation page for NhlNewMarker, there is a table of values for
+; the current marker set, to give you an idea of where to start.
+
+; res@xyMarkerColor = "blue"
+; res@tiMainString  = "Make your own marker"
+; res@xyMarkers     = NhlNewMarker(wks, "^", 19, 0.0, 0.0, 1.3125, 1.5, 0.0)
+; plot              = gsn_csm_xy (wks,x,y,res) 
+
+end