statistics/embedding.h

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/**
 *  \file IMP/statistics/Embedding.h
 *  \brief Cluster sets of points.
 *
 *  Copyright 2007-2013 IMP Inventors. All rights reserved.
 *
 */

#ifndef IMPSTATISTICS_EMBEDDING_H
#define IMPSTATISTICS_EMBEDDING_H

#include <IMP/statistics/statistics_config.h>
#include <IMP/algebra/VectorD.h>
#include <IMP/base/Object.h>
#include <IMP/base/object_macros.h>

IMPSTATISTICS_BEGIN_NAMESPACE

//! Store data to be clustered for embedding based algorithms.
/** Point-based clustering needs a way of embedding the data being clustered
    in space. Classes which implement Embedding provide a
    mapping between each item being clustered (named by an integer index)
    and a point in space, as a fixed-lenth array of floating point numbers.
 */
class IMPSTATISTICSEXPORT Embedding: public IMP::base::Object {
 protected:
  Embedding(std::string name);
public:
  virtual algebra::VectorKD get_point(unsigned int i) const =0;
  virtual algebra::VectorKDs get_points() const =0;
  virtual unsigned int get_number_of_items() const=0;
};

IMP_OBJECTS(Embedding, Embeddings);

IMPSTATISTICS_END_NAMESPACE

#endif /* IMPSTATISTICS_EMBEDDING_H */