/usr/share/ncarg/nclex/ngmath/nm02n.ncl is in libncarg-data 6.1.2-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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; ;
; Copyright (C) 1997 ;
; University Corporation for Atmospheric Research ;
; All Rights Reserved ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; File: nm02n.ncl
;
; Author: Fred Clare (converted to NCL by Mary Haley)
; National Center for Atmospheric Research
; PO 3000, Boulder, Colorado
;
; Date: Mon Dec 15 10:48:08 MST 1997
;
; Description: Simple example of natural neighbor linear regridding.
;
begin
NUMXOUT = 21
NUMYOUT = 21
x = (/0.00, 1.00, 0.00, 1.00, 0.40, 0.75/)
y = (/0.00, 0.00, 1.00, 1.00, 0.20, 0.65/)
z = (/0.00, 0.00, 0.00, 0.00, 1.25, 0.80/)
xc = 1./(NUMXOUT-1.)
xi = ispan(0,NUMXOUT-1,1) * xc
yc = 1./(NUMYOUT-1.)
yi = ispan(0,NUMYOUT-1,1) * yc
nnsetp("igr",1)
zi = natgrids(x, y, z, xi, yi)
wks_type = "ncgm"
if (str_lower(wks_type).eq."ncgm") then
;
; Create an ncgmWorkstation object.
;
wid = create "natgrids" ncgmWorkstationClass defaultapp
"wkMetaName" : "nm02n.ncgm"
end create
end if
if (str_lower(wks_type).eq."x11") then
;
; Create an X11 workstation.
;
wid = create "natgrids" windowWorkstationClass defaultapp
"wkPause" : "True"
end create
end if
if (str_lower(wks_type).eq."oldps") then
;
; Create an older-style PostScript workstation.
;
wid = create "natgrids" psWorkstationClass defaultapp
"wkPSFileName" : "nm02n.ps"
end create
end if
if (str_lower(wks_type).eq."oldpdf") then
;
; Create an older-style PDF workstation.
;
wid = create "natgrids" pdfWorkstationClass defaultapp
"wkPDFFileName" : "nm02n.pdf"
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.
;
wid = create "natgrids" documentWorkstationClass defaultapp
"wkFileName" : "nm02n"
"wkFormat" : wks_type
end create
end if
if (str_lower(wks_type).eq."png") then
;
; Create a cairo PNG Workstation object.
;
wid = create "natgrids" imageWorkstationClass defaultapp
"wkFileName" : "nm02n"
"wkFormat" : wks_type
end create
end if
getvalues wid
"wkGksWorkId" : gkswid
end getvalues
drwsrfc(gkswid,xi,yi,zi,15.,-25.,90.)
end
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