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       ncarv_spool  -  spooled  device  configuration  table  for interactive metafile translator




       The ncarv_spool file contains definitions for spooled devices to be used by ictrans.  Each
       definition describes a rule used for sending a set of metafile frames to a spooled device.

       Each entry consists of a line of the form:

              alias_name : translator_args : filter_chain

       alias_name          an  identifier  unique  to  the  file.  It  is  the alias by which the
                           definition may be referenced.

       translator_args     translator_args is a list of valid ctrans command line arguments to be
                           passed  to  ctrans.   Metafile frames are translated by ctrans and the
                           output of this translation is made available for further processing as
                           specified by the remaining spooler definition.

       filter_chain        is  a  set  of  simple  commands  separated by the UNIX pipe symbol |.
                           filter_chain may be terminated by the UNIX file redirection symbols  >
                           or >> filename.  Output from ctrans is made available to the processes
                           defined in filter_chain.

       A pound-sign (#) as the first character indicates a  comment  line  which  is  ignored  by
       routines  that  read  this  file.  The order of entries in ncarv_spool is important. If an
       alias name conflict arises the  last  definition  encountered  is  given  precedence.  Any
       previous definition for the same alias name is discarded.


       The  following  is  an  example ncarv_spool file. The first entry describes a device named
       postscript.  When postscript  is  named  as  the  spooling  device,  metafile  frames  are
       translated  by ctrans into the format described by the ps.mono graphcap. The font font1 is
       used for CGM text elements.  The result of this translation will be  piped  to  lpr.   The
       second  entry  is named dicomed.  The dicomed entry specifies that metafile frames will be
       rasterized at a 1857 by 1183 pixel resolution and output in X11 xwd format. The result  of
       this  rasterization  is  piped  to a program x11tonrif which in turn sends its output to a
       program called rasttg.  In the third example the final output is directed to a file called

              # example ncarv_spool file
              postscript : -d ps.mono -f font1 : | lpr -Pprinter0
              dicomed : -d xwd -geom 1857x1183 : | x11tonrif | rasttg -tc
              sunraster : -d xwd -geom 1152x900 : | x11tosun > sunfile


              Path to root of NCAR Graphics installation.

              If  set  this  variable contains the path to the installed NCAR Graphics libraries.
              NCARG_LIB overrides NCARG_ROOT.


       $NCARG_ROOT/lib/ncarg/ncarv_spool       - System spooler configuration file

       $HOME/.ncarv_spool                      - User spooler configuration file


       ctrans(1NCARG), ictrans(1NCARG)

       Hardcopy: NCAR Graphics Fundamentals, UNIX Version


       Copyright (C) 1987-2009
       University Corporation for Atmospheric Research

       The use of this Software is governed by a License Agreement.