ncl_c_nnpntd man page

c_nnpntd — interpolate at a single point

Function Prototype

void c_nnpntd(double, double, double *);

Synopsis

void c_nnpntd (x, y, z);

Description

x

The X coordinate of the point where interpolation is desired.

y

The Y coordinate of the point where interpolation is desired.

z

*z is the interpolated functional value at the point (X,Y).

Usage

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

Access

To use c_nnpntd, load the NCAR Graphics library ngmath.

See Also

natgrid, natgrid_params, c_natgrids, c_nnpntinitd, c_nnpntendd.

Complete documentation for Natgrid is available at URL
http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html

Info

March 1997-1998 UNIX NCAR GRAPHICS