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/***********************************************************************
* Software License Agreement (BSD License)
*
* Copyright 2008-2011 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
* Copyright 2008-2011 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*************************************************************************/
#ifndef OPENCV_FLANN_PARAMS_H_
#define OPENCV_FLANN_PARAMS_H_
#include "any.h"
#include "general.h"
#include <iostream>
#include <map>
namespace cvflann
{
typedef std::map<std::string, any> IndexParams;
struct SearchParams : public IndexParams
{
SearchParams(int checks = 32, float eps = 0, bool sorted = true )
{
// how many leafs to visit when searching for neighbours (-1 for unlimited)
(*this)["checks"] = checks;
// search for eps-approximate neighbours (default: 0)
(*this)["eps"] = eps;
// only for radius search, require neighbours sorted by distance (default: true)
(*this)["sorted"] = sorted;
}
};
template<typename T>
T get_param(const IndexParams& params, std::string name, const T& default_value)
{
IndexParams::const_iterator it = params.find(name);
if (it != params.end()) {
return it->second.cast<T>();
}
else {
return default_value;
}
}
template<typename T>
T get_param(const IndexParams& params, std::string name)
{
IndexParams::const_iterator it = params.find(name);
if (it != params.end()) {
return it->second.cast<T>();
}
else {
throw FLANNException(std::string("Missing parameter '")+name+std::string("' in the parameters given"));
}
}
inline void print_params(const IndexParams& params, std::ostream& stream)
{
IndexParams::const_iterator it;
for(it=params.begin(); it!=params.end(); ++it) {
stream << it->first << " : " << it->second << std::endl;
}
}
inline void print_params(const IndexParams& params)
{
print_params(params, std::cout);
}
}
#endif /* OPENCV_FLANN_PARAMS_H_ */
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