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

6       NNGETSLOPED  - retrieve the double precision slope at a specified coor‐
7       dinate.
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SYNOPSIS

10       CALL NNGETSLOPED (I,J,SLOPE,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       SLOPE       (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 NNGETSLOPED, 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       The use of this Software is governed by a License Agreement.
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47UNIX                            March 1997-1998            NNGETSLOPED(3NCARG)
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