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ncl_c_dspnt2s
Langue: en
Version: September 1997-1998 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
c_dspnt2s - Interpolate at a single point (or points) in 2D in single precisionFUNCTION PROTOTYPE
void c_dspnt2s(int, float [], float [], float [],
int, float [], float [], float *, int *);
SYNOPSIS
void c_dspnt2s (int n, float x[], float y[], float z[],
int m, float xo[], float yo[], float zo, int *ier);
DESCRIPTION
- n
- The number of input data points.
- x
- An array containing the X coordinates of the input data points.
- y
- An array containing the Y coordinates of the input data points.
- z
- An array containing the functional values of the input data points. That is, z[l] is the value of the input function at coordinate (x[l],y[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
- A pointer to a float. Space for m floats is allocated for zo by dspnt2s. zo[i] is the interpolated value at point (xo[i],yo[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 when you want to interpolate 2D data at an individual point or points.ACCESS
To use c_dspnt2s, 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) 2000University Corporation for Atmospheric Research
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