1NNGETASPECTD(3NCARG)             NCAR GRAPHICS            NNGETASPECTD(3NCARG)
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NAME

6       NNGETASPECTD  -  retrieve  the  double  precision aspect at a specified
7       coordinate.
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SYNOPSIS

10       CALL NNGETASPECTD (I,J,ASPECT,IER)
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DESCRIPTION

13       I           (Integer, Input) - A subscript indexing  the  first  dimen‐
14                   sioned  variable in the output grid of the most recent call
15                   to NATGRIDD.
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17       J           (Integer, Input) - A subscript indexing the  second  dimen‐
18                   sioned  variable in the output grid of the most recent call
19                   to NATGRIDD.
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21       ASPECT      (Double precision, Output) - The slope at  the  grid  point
22                   Z(I,J),  where Z is the output grid in the most recent call
23                   to NATGRIDD.
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25       IER         (Integer, Output) -  An  error  return  value.  If  IER  is
26                   returned as 0, then no errors were detected. If IER is non-
27                   zero, then refer to the man  page  for  natgrid_errors  for
28                   details.
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ACCESS

31       To use NNGETASPECTD, load the NCAR Graphics library ngmath.
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SEE ALSO

34       natgrid, natgridd, natgrid_params.
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36       Complete documentation for Natgrid is available at URL
37       http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html
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40       Copyright (C) 2000
41       University Corporation for Atmospheric Research
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43       This  documentation  is  free  software; you can redistribute it and/or
44       modify it under the terms of the GNU General  Public  License  as  pub‐
45       lished  by  the  Free  Software  Foundation;  either  version  2 of the
46       License, or (at your option) any later version.
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48       This software is distributed in the hope that it will  be  useful,  but
49       WITHOUT  ANY  WARRANTY;  without  even  the  implied  warranty  of MER‐
50       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  General
51       Public License for more details.
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53       You should have received a copy of the GNU General Public License along
54       with this software; if not, write  to  the  Free  Software  Foundation,
55       Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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60UNIX                            March 1997-1998           NNGETASPECTD(3NCARG)
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