c_begin.c File Reference

Cluster library - Begin clusterring. More...

#include <stdlib.h>
#include <grass/glocale.h>
#include <grass/cluster.h>

Include dependency graph for c_begin.c:

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Functions
int	I_cluster_begin (struct Cluster *C, int nbands)
	Initialize the cluster routines for nbands.

Detailed Description

Cluster library - Begin clusterring.

(C) 2001-2009 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Original author CERL

Definition in file c_begin.c.

Function Documentation

I_cluster_begin()

int I_cluster_begin	(	struct Cluster *	C,
		int	nbands
	)

Initialize the cluster routines for nbands.

Parameters

C	pointer to Cluster structure
nbands	number of bands

Returns

0 ok

-1 out of memory

1 illegal number of bands

Definition at line 28 of file c_begin.c.

References _, Cluster::band_sum, Cluster::band_sum2, free(), I_free_signatures(), I_init_signatures(), malloc(), Cluster::nbands, Cluster::np, Cluster::npoints, NULL, Cluster::points, and Cluster::S.