/usr/share/ncarg/nclex/xyplot/xy05n.ncl is in libncarg-data 6.3.0-6build1.
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; $Id: xy05n.ncl,v 1.18 2010-03-15 22:49:25 haley Exp $
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; Copyright (C) 1995 ;
; University Corporation for Atmospheric Research ;
; All Rights Reserved ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
;; File: xy05n.ncl
;;
;; Author: Mary Haley
;; National Center for Atmospheric Research
;; PO 3000, Boulder, Colorado
;;
;; Date: Tue Apr 4 13:02:35 MDT 1995
;;
;; Description: This example shows one way on how to create an
;; XyPlot object with multiple lines and multiple
;; lengths using multiple data objects. Some of the
;; XyPlot line resources are tweaked to show how to
;; change the appearances of the lines.
;;
;; The "CoordArrays" object is used to set up the data.
;; (The C version uses the "CoordArrTable" object which
;; is not available in Fortran or NCL.)
;;
;
; Begin NCL script.
;
begin
;
; Create variables to contain data.
;
ncurve = 10
npts = 100
;
; Create array to contain dataitem ids.
;
dataid = new(ncurve,graphic)
;
; Initialize some data for the XyPlot object.
;
ii = new((/ncurve,npts/),float)
jj = new((/npts,ncurve/),float)
ii = onedtond(ispan(0,npts-1,1),(/ncurve,npts/))
jj = onedtond(ispan(1,ncurve,1),(/npts,ncurve/))
jj!0 = "x"
jj!1 = "y"
pi = 3.14159
y = jj(y | :,x | :)*sin((2.*ii*pi)/((npts-(jj(y | :, x | :)-1)*10)-1))
delete(ii)
delete(jj)
;
; Modify the color map. Color indices '0' and '1' are the background
; and foreground colors respectively.
;
ncolors = 12
cmap = (/ (/0.00,0.00,0.00/), \
(/1.00,1.00,1.00/), \
(/0.00,0.00,1.00/), \
(/0.00,1.00,0.00/), \
(/0.00,1.00,0.75/), \
(/0.50,0.50,0.63/), \
(/1.00,0.00,0.00/), \
(/0.75,0.38,0.25/), \
(/0.75,0.00,0.75/), \
(/1.00,0.38,0.38/), \
(/1.00,0.83,0.00/), \
(/1.00,1.00,0.00/) /)
;
; Create Application object. The Application object name is used to
; determine the name of the resource file, which is "xy05.res" in this
; case.
;
appid = create "xy05" appClass defaultapp
"appDefaultParent" : True
"appUsrDir" : "./"
end create
;
; Default is to display output to an X workstation
;
wks_type = "x11"
if (str_lower(wks_type).eq."ncgm") then
;
; Create an ncgmWorkstation object.
;
xworkid = create "xy05Work" ncgmWorkstationClass defaultapp
"wkMetaName" : "xy05n.ncgm"
"wkColorMap" : cmap
end create
end if
if (str_lower(wks_type).eq."x11") then
;
; Create an X11 workstation.
;
xworkid = create "xy05Work" windowWorkstationClass defaultapp
"wkPause" : True
"wkColorMap" : cmap
end create
end if
if (str_lower(wks_type).eq."oldps") then
;
; Create an older-style PostScript workstation.
;
xworkid = create "xy05Work" psWorkstationClass defaultapp
"wkPSFileName" : "xy05n.ps"
"wkColorMap" : cmap
end create
end if
if (str_lower(wks_type).eq."oldpdf") then
;
; Create an older-style PDF workstation.
;
xworkid = create "xy05Work" pdfWorkstationClass defaultapp
"wkPDFFileName" : "xy05n.pdf"
"wkColorMap" : cmap
end create
end if
if (str_lower(wks_type).eq."pdf".or.str_lower(wks_type).eq."ps") then
;
; Create a cairo PS/PDF Workstation object.
;
xworkid = create "xy05Work" documentWorkstationClass defaultapp
"wkFileName" : "xy05n"
"wkFormat" : wks_type
"wkColorMap" : cmap
end create
end if
if (str_lower(wks_type).eq."png") then
;
; Create a cairo PNG Workstation object.
;
xworkid = create "xy05Work" imageWorkstationClass defaultapp
"wkFileName" : "xy05n"
"wkFormat" : wks_type
"wkColorMap" : cmap
end create
end if
;
; Create the CoordArrays which defines the data for the XyPlot
; object. The id from this object will become the value for the XyPlot
; resource, "xyCoordData".
;
do i=0,ncurve-1
dataid(i) = create "xyData"+i coordArraysClass defaultapp
"caYArray": y(i,0:(npts-i*10)-1)
end create
end do
;
; Create the XyPlot object and tweak some of the tickmark, title and
; view port resources (some in the "xy05.res" resource file).
;
plotid = create "xyPlot" xyPlotClass xworkid
"xyCoordData": dataid
end create
;
; Draw the plot.
;
draw(plotid)
frame(xworkid)
;
; End NCL script.
;
end
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