linear_index.h

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 * Copyright 2008-2009  Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
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#ifndef _OPENCV_LINEARSEARCH_H_
#define _OPENCV_LINEARSEARCH_H_

#include "opencv2/flann/general.h"
#include "opencv2/flann/nn_index.h"


namespace cvflann
{

struct CV_EXPORTS LinearIndexParams : public IndexParams {
        LinearIndexParams() : IndexParams(LINEAR) {};

        flann_algorithm_t getIndexType() const { return algorithm; }

        void print() const
        {
                logger().info("Index type: %d\n",(int)algorithm);
        }
};


template <typename ELEM_TYPE, typename DIST_TYPE = typename DistType<ELEM_TYPE>::type >
class LinearIndex : public NNIndex<ELEM_TYPE>
{
        const Matrix<ELEM_TYPE> dataset;
        const LinearIndexParams& index_params;

public:

        LinearIndex(const Matrix<ELEM_TYPE>& inputData, const LinearIndexParams& params = LinearIndexParams() ) :
                dataset(inputData), index_params(params)
        {
        }

    flann_algorithm_t getType() const
    {
        return LINEAR;
    }


        size_t size() const
        {
                return dataset.rows;
        }

        size_t veclen() const
        {
                return dataset.cols;
        }


        int usedMemory() const
        {
                return 0;
        }

        void buildIndex()
        {
                /* nothing to do here for linear search */
        }

    void saveIndex(FILE*)
    {
                /* nothing to do here for linear search */
    }


    void loadIndex(FILE*)
    {
                /* nothing to do here for linear search */
    }

        void findNeighbors(ResultSet<ELEM_TYPE>& resultSet, const ELEM_TYPE*, const SearchParams&)
        {
                for (size_t i=0;i<dataset.rows;++i) {
                        resultSet.addPoint(dataset[i],(int)i);
                }
        }

        const IndexParams* getParameters() const
        {
                return &index_params;
        }

};

} // namespace cvflann

#endif // _OPENCV_LINEARSEARCH_H_

---

opencv2
Author(s): Gary Bradski and many others. See web page for a full contributor list. ROS package maintained by James Bowman.
autogenerated on Fri Jan 11 10:00:42 2013