[ncl-install] getting started finally?

Joseph Cain joseph.cain at fsu.edu
Fri Jun 10 11:03:23 MDT 2011


Well

[Joe-Mac-1008:projects/mars/plots] josephcain% ncl -V
5.2.1

But executing Mary's sample test code does not do anything?

[Joe-Mac-1008:projects/mars/plots] josephcain% ncl old_out_xy.ncl
 Copyright (C) 1995-2010 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 5.2.1
 The use of this software is governed by a License Agreement.


where 

[Joe-Mac-1008:projects/mars/plots] josephcain% more old_out_xy.ncl
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"

begin
;---Read 7 columns of data, and ignore first line.
  data = readAsciiTable("old_out", 7, "float", 1)  

  year = data(:,0)
  dlat = data(:,1)
  dlon = data(:,2)
  alt  = data(:,3)
  X    = data(:,4)
  Y    = data(:,5)
  Z    = data(:,6)

;---Start the graphics.
  wks   = gsn_open_wks ("ps", "old_out_xy")

;---Set some plot options
  res                              = True
  res at gsnMaximize                  = True   ; Maximize plot in frame
  res at gsnDraw                      = False  ; Don't draw plot
  res at gsnFrame                     = False  ; Don't advance page

  res at vpWidthF                     = 0.8    ; Change aspect ratio
  res at vpHeightF                    = 0.2    ; of plot

  plotx   = gsn_csm_xy(wks, dlat, X, res)
  ploty   = gsn_csm_xy(wks, dlat, Y, res)
  plotz   = gsn_csm_xy(wks, dlat, Z, res)
  plotalt = gsn_csm_xy(wks, dlat, alt, res)

;---Panel all three plots on one page as 4 rows, 1 column
  pres             = True
  pres at gsnMaximize = True
  pres at txString    = "Comparison between X, Y, Z, alt"
  gsn_panel(wks,(/plotx,ploty,plotz,plotalt/),(/4,1/),pres)

end

and

[Joe-Mac-1008:projects/mars/plots] josephcain% head old_out
 1999.0396  -77.4576  236.5607  196.1897   37.5075  -70.3262   -8.0432
 1999.0396  -76.7379  235.7316  191.3689   38.1892  -82.7721    1.8762
 1999.0396  -76.0140  234.9799  186.6699   37.1596  -92.6662   13.3272
 1999.0396  -75.2865  234.2944  182.0940   41.3300 -101.3463   25.5609
 1999.0396  -74.5554  233.6664  177.6428   49.4288 -104.8782   45.9377
 1999.0396  -73.8211  233.0883  173.3159   60.1135  -99.3531   83.4698
 1999.0396  -73.0837  232.5538  169.1160   59.3724  -75.3881  143.5756
 1999.0396  -72.3436  232.0578  165.0432   37.8042  -25.8652  213.3564
 1999.0396  -71.6007  231.5958  161.0989    7.6971   58.0769  251.1240
 1999.0396  -70.8553  231.1640  157.2839  -34.8135  126.6690  241.8724



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