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

6       NNPNTD- Interpolate at a single point in double precision
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SYNOPSIS

9       CALL NNPNTD (X, Y, Z)
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DESCRIPTION

12       X           (Double  precision,  Input) - The X coordinate of the point
13                   where interpolation is desired.
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15       Y           (Double precision, Input) - The Y coordinate of  the  point
16                   where interpolation is desired.
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18       Z           (Double  precision,  Output)  - The interpolated functional
19                   value at the point (X,Y).
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USAGE

22       This subroutine is called when you want to interpolate at an  individal
23       point.  NNPNTINITD must be called prior to calling NNPNTD and NNPNTENDD
24       must be called to terminate single point mode.
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ACCESS

27       To use NNPNTD, load the NCAR Graphics library ngmath.
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SEE ALSO

30       natgrid, natgrid_params, natgridd, nnpntinitd, nnpntendd.
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32       Complete documentation for Natgrid is available at URL
33       http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html
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36       Copyright (C) 2000
37       University Corporation for Atmospheric Research
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39       The use of this Software is governed by a License Agreement.
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43UNIX                            March 1997-1998                 NNPNTD(3NCARG)
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