NNGETR - Retrieves the value of an internal parameter of type REAL.

       To use NNGETR, load the NCAR Graphics library ngmath.

       Copyright (C) 2000
       University Corporation for Atmospheric Research

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

UNIX                                             March 1997-1998                                  NNGETR(3NCARG)

       PNAM        A  character  string that specifies the name of the parameter to get. The name must appear as
                   the first three characters of the string.

       RVAL        A REAL variable that is the name of the  variable  into  which  the  value  of  the  internal
                   parameter specified by PNAM is to be retrieved.

       NNGETR - Retrieves the value of an internal parameter of type REAL.

       natgrid, natgrid_params, natgrids, nnsetr.

       Complete documentation for Natgrid is available at URL
       http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html

       CALL NNGETR (PNAM,RVAL)

       This  routine  allows  you  to  retrieve the current value of Natgrid parameters.  For a complete list of
       parameters available in this utility, see the natgrid_params man page.