ltiMinimumSpanningTreeOfKeyValuetype.h

/*
 * Copyright (C) 2003, 2004, 2005, 2006
 * Lehrstuhl fuer Technische Informatik, RWTH-Aachen, Germany
 *
 * This file is part of the LTI-Computer Vision Library (LTI-Lib)
 *
 * The LTI-Lib is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License (LGPL)
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * The LTI-Lib is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the LTI-Lib; see the file LICENSE.  If
 * not, write to the Free Software Foundation, Inc., 59 Temple Place -
 * Suite 330, Boston, MA 02111-1307, USA.
 */


/*--------------------------------------------------------------------
 * project ....: LTI-Lib: Image Processing and Computer Vision Library
 * file .......: ltiMinimumSpanningTreeOfKeyValuetype.h
 * authors ....: Jens Paustenbach
 * organization: LTI, RWTH Aachen
 * creation ...: 8.5.2003
 * revisions ..: $Id: ltiMinimumSpanningTreeOfKeyValuetype.h,v 1.6 2006/02/08 12:37:02 ltilib Exp $
 */

#ifndef _LTI_MINIMUM_SPANNING_TREE_OF_KEY_VALUETYPE_H_
#define _LTI_MINIMUM_SPANNING_TREE_OF_KEY_VALUETYPE_H_


#include "ltiMinimumSpanningTree.h"

namespace lti {
  /**
   *  Computes a minimum spanning tree of a given data set.
   *  Computes the minimum spanning tree from a matrix of K::valuetype
   *  elements, e.g. a matrix of doubles where each row represents one data
   *  point.
   */
  template < class K, class V=int, class Distantor=l2SquareDistantor<K> >
  class minimumSpanningTreeOfKeyValuetype : public minimumSpanningTree<K,V,Distantor> {
  public:

    /**
     * This class uses the same parameters as its base class
     */
    typedef typename 
    minimumSpanningTree<K,V,Distantor>::parameters parameters;

    /**
     * Distance type
     */
    typedef typename 
    minimumSpanningTree<K,V,Distantor>::distance_type distance_type;

    /**
     * Key Value Type
     */
    typedef typename
    minimumSpanningTree<K,V,Distantor>::key_value_type key_value_type;

    /**
     * default constructor
     */
    minimumSpanningTreeOfKeyValuetype();

    /**
     * Construct a functor using the given parameters
     */
    minimumSpanningTreeOfKeyValuetype(const parameters& par);

    /**
     * copy constructor
     * @param other the object to be copied
     */
    minimumSpanningTreeOfKeyValuetype(const minimumSpanningTreeOfKeyValuetype& other);

    /**
     * destructor
     */
    virtual ~minimumSpanningTreeOfKeyValuetype();

    /**
     * returns the name of this type ("minimumSpanningTreeOfKeyValuetype")
     */
    virtual const char* getTypeName() const;

    /**
     * computes the minimum spanning tree of the given data
     * @param src matrix with the source data.
     * @param datas data set
     * @param graph the returned minimum spanning tree 
     * @return true if apply successful or false otherwise.
     */
    bool apply(const matrix<key_value_type>& src,
               const vector<V>& datas,
               weightedGraph<K,V,distance_type>& graph) const;

    /**
     * copy data of "other" functor.
     * @param other the functor to be copied
     * @return a reference to this functor object
     */
    minimumSpanningTreeOfKeyValuetype& 
    copy(const minimumSpanningTreeOfKeyValuetype& other);

    /**
     * alias for copy member
     * @param other the functor to be copied
     * @return a reference to this functor object
     */
    minimumSpanningTreeOfKeyValuetype& 
    operator=(const minimumSpanningTreeOfKeyValuetype& other);

    /**
     * returns a pointer to a clone of this functor.
     */
    virtual functor* clone() const;

    /**
     * returns used parameters
     */
    const parameters& getParameters() const;
  };
}

#include "ltiMinimumSpanningTreeOfKeyValuetype_template.h"

#endif