1DSPNT3S(3NCARG)                  NCAR GRAPHICS                 DSPNT3S(3NCARG)
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NAME

6       DSPNT3S- Interpolate at a single point (or points) in 3D in single pre‐
7       cision
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SYNOPSIS

10       CALL DSPNT3S (N, X, Y, Z, U, M, XO, YO, ZO, UO, IER)
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DESCRIPTION

13       N           (Integer, Input) - The number of input data points.
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15       X           (Real, Input) - An array containing the  X  coordinates  of
16                   the input data points.
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18       Y           (Real,  Input)  -  An array containing the Y coordinates of
19                   the input data points.
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21       Z           (Real, Input) - An array containing the  Z  coordinates  of
22                   the input data points.
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24       U           (Real,  Input)  - An array containing the functional values
25                   of the input data points. That is, U(L) is the value of the
26                   input function at coordinate (X(L),Y(L),Z(L)), for L=1,N.
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28       M           (Integer,  Input)  - The number of output data points (this
29                   may be "1").
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31       XO          (Real, Input) - An array of dimension M  containing  the  X
32                   coordinates  of the output data. The values in XO may be in
33                   any order.
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35       YO          (Real, Input) - An array of dimension M  containing  the  Y
36                   coordinates  of the output data. The values in YO may be in
37                   any order.
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39       ZO          (Real, Input) - An array of dimension M  containing  the  Z
40                   coordinates  of the output data. The values in ZO may be in
41                   any order.
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43       UO          (Real, output) - An array of  dimension  M  containing  the
44                   interpolated  values.  UO(I)  is  the interpolated value at
45                   point (XO(I),YO(I),ZO(I)) for I=1,M.
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47       IER         (Integer, Output) -  An  error  return  value.  If  IER  is
48                   returned as 0, then no errors were detected. If IER is non-
49                   zero, then refer to the  man  page  for  dsgrid_errors  for
50                   details.
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USAGE

53       This subroutine is called when you want to interpolate at an individual
54       point or points.
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ACCESS

57       To use DSPNT3S, load the NCAR Graphics library ngmath.
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SEE ALSO

60       dsgrid, dsgrid_params.
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62       Complete documentation for Dsgrid is available at URL
63       http://ngwww.ucar.edu/ngdoc/ng/ngmath/dsgrid/dshome.html
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66       Copyright (C) 2000
67       University Corporation for Atmospheric Research
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69       This documentation is free software; you  can  redistribute  it  and/or
70       modify  it  under  the  terms of the GNU General Public License as pub‐
71       lished by the  Free  Software  Foundation;  either  version  2  of  the
72       License, or (at your option) any later version.
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74       This  software  is  distributed in the hope that it will be useful, but
75       WITHOUT ANY  WARRANTY;  without  even  the  implied  warranty  of  MER‐
76       CHANTABILITY  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
77       Public License for more details.
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79       You should have received a copy of the GNU General Public License along
80       with  this  software;  if  not,  write to the Free Software Foundation,
81       Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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86UNIX                          September 1997-1998              DSPNT3S(3NCARG)
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