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.\"     $Id: nnpnts.m,v 1.6 2008-07-27 03:35:41 haley Exp $
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.TH NNPNTS 3NCARG "March 1997-1998" UNIX "NCAR GRAPHICS"
.SH NAME
NNPNTS- Interpolate at a single point
.SH SYNOPSIS
CALL NNPNTS (X, Y, Z)
.SH DESCRIPTION
.IP X 12
(Real, Input) - The X coordinate of the point where interpolation is desired.
.IP Y 12
(Real, Input) - The Y coordinate of the point where interpolation is desired. 
.IP Z 12
(Real, Output) - The interpolated functional value at the point (X,Y).
.SH USAGE
This subroutine is called when you want to interpolate at an individal
point.  NNPNTINITS must be called prior to calling NNPNTS.  NNPNTEND
must be called to terminate single point mode.
.SH ACCESS
To use NNPNTS, load the NCAR Graphics library ngmath.
.SH SEE ALSO
natgrid,
natgrid_params,
natgrids,
nnpntinits,
nnpntend.
.sp
Complete documentation for Natgrid is available at URL
.br
http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html
.SH COPYRIGHT
Copyright (C) 2000
.br
University Corporation for Atmospheric Research
.br

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