NAME¶

c_dspnt3d - interpolate double precision 3D data at specified points

FUNCTION PROTOTYPE¶

void c_dspnt3d(int, double [], double [], double [], double[]


int, double [], double [], double [], double *, int *);

SYNOPSIS¶

void c_dspnt3d(int n, double xi[], double yi[], double zi[], double ui[],


               int m, double xo[], double yo[], double zo[], double *uo,


               int *ier)

DESCRIPTION¶

n

The number of input data points.

xi

An array containing the X coordinates of the input data points.

yi

An array containing the Y coordinates of the input data points.

zi

An array containing the Z coordinates of the input data points.

ui

An array containing the functional values of the input data points. That is, ui[l] is the value of the input function at coordinate (xi[l],yi[l],zi[l]), for 0 <= l < n .

m

The number of output data points (this may be "1").

xo

An array of dimension m containing the X coordinates of the output data. The values in xo may be in any order.

yo

An array of dimension m containing the Y coordinates of the output data. The values in xo may be in any order.

zo

An array of dimension m containing the Z coordinates of the output data. The values in xo may be in any order.

uo

A pointer to a double. Space for m doubles is allocated for uo by dspnt3d. zo[i] is the interpolated value at point (xo[i],yo[i],zo[i]) for 0 <= i < n .

ier

An error return value. If *ier is returned as 0, then no errors were detected. If *ier is non-zero, then refer to the man page for dsgrid_errors.

USAGE¶

This function is called to interpolate double precision 3D data at a specified point or points.

ACCESS¶

To use c_dspnt3d, load the NCAR Graphics library ngmath.

SEE ALSO¶

dsgrid, dsgrid_params.

Complete documentation for Dsgrid is available at URL
http://ngwww.ucar.edu/ngdoc/ng/ngmath/dsgrid/dshome.html

COPYRIGHT¶

Copyright (C) 2000
University Corporation for Atmospheric Research

The use of this Software is governed by a License Agreement.