c_exec.c File Reference

Cluster library - Execute clusterring. More...

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

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Functions
int	I_cluster_exec (struct Cluster *C, int maxclass, int iterations, double convergence, double separation, int min_class_size, int(*checkpoint)(struct Cluster *, int), int *interrupted)

Detailed Description

Cluster library - Execute 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_exec.c.

Function Documentation

I_cluster_exec()

int I_cluster_exec	(	struct Cluster *	C,
		int	maxclass,
		int	iterations,
		double	convergence,
		double	separation,
		int	min_class_size,
		int(*)(struct Cluster *, int)	checkpoint,
		int *	interrupted
	)

Parameters

C	pointer to Cluster structure
maxclass	maximum number of classes
iterations	maximum number of iterations
convergence	percentage of points stable
separation	minimum distance between class centroids
min_class_size	minimum size of class
checkpoint	routine to be called at various steps
interrupted	boolean to check for interrupt

Returns

0 ok

-1 out of memory

-2 interrupted

1 not enough data points

Definition at line 32 of file c_exec.c.

References _, G_warning(), I_cluster_assign(), I_cluster_distinct(), I_cluster_exec_allocate(), I_cluster_means(), I_cluster_merge(), I_cluster_reassign(), I_cluster_reclass(), I_cluster_signatures(), I_cluster_sum2(), if(), Cluster::nclasses, and Cluster::npoints.