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

6       c_nnpntd - interpolate at a single point
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FUNCTION PROTOTYPE

9       void c_nnpntd(double, double, double *);
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SYNOPSIS

12       void c_nnpntd (x, y, z);
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DESCRIPTION

15       x           The X coordinate of the point where interpolation is
16                   desired.
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18       y           The Y coordinate of the point where interpolation is
19                   desired.
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21       z           *z is the interpolated functional value at the point (X,Y).
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USAGE

24       This functino is called when you want to interpolate at an individal
25       point.  c_nnpntinitd must be called prior to calling c_nnpntd.
26       c_nnpntendd must be called to terminate single point mode.
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ACCESS

29       To use c_nnpntd, load the NCAR Graphics library ngmath.
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SEE ALSO

32       natgrid, natgrid_params, c_natgrids, c_nnpntinitd, c_nnpntendd.
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34       Complete documentation for Natgrid is available at URL
35       http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html
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38       Copyright (C) 2000
39       University Corporation for Atmospheric Research
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41       The use of this Software is governed by a License Agreement.
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45UNIX                            March 1997-1998               c_nnpntd(3NCARG)
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