params.h
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28 
29 
30 #ifndef OPENCV_FLANN_PARAMS_H_
31 #define OPENCV_FLANN_PARAMS_H_
32 
33 #include "any.h"
34 #include "general.h"
35 #include <iostream>
36 #include <map>
37 
38 
39 namespace cvflann
40 {
41 
42 typedef std::map<std::string, any> IndexParams;
43 
44 struct SearchParams : public IndexParams
45 {
46  SearchParams(int checks = 32, float eps = 0, bool sorted = true )
47  {
48  // how many leafs to visit when searching for neighbours (-1 for unlimited)
49  (*this)["checks"] = checks;
50  // search for eps-approximate neighbours (default: 0)
51  (*this)["eps"] = eps;
52  // only for radius search, require neighbours sorted by distance (default: true)
53  (*this)["sorted"] = sorted;
54  }
55 };
56 
57 
58 template<typename T>
59 T get_param(const IndexParams& params, std::string name, const T& default_value)
60 {
61  IndexParams::const_iterator it = params.find(name);
62  if (it != params.end()) {
63  return it->second.cast<T>();
64  }
65  else {
66  return default_value;
67  }
68 }
69 
70 template<typename T>
71 T get_param(const IndexParams& params, std::string name)
72 {
73  IndexParams::const_iterator it = params.find(name);
74  if (it != params.end()) {
75  return it->second.cast<T>();
76  }
77  else {
78  throw FLANNException(std::string("Missing parameter '")+name+std::string("' in the parameters given"));
79  }
80 }
81 
82 inline void print_params(const IndexParams& params)
83 {
84  IndexParams::const_iterator it;
85 
86  for(it=params.begin(); it!=params.end(); ++it) {
87  std::cout << it->first << " : " << it->second << std::endl;
88  }
89 }
90 
91 
92 
93 }
94 
95 
96 #endif /* OPENCV_FLANN_PARAMS_H_ */
T get_param(const IndexParams &params, std::string name, const T &default_value)
Definition: params.h:59
void print_params(const IndexParams &params)
Definition: params.h:82
Definition: general.h:41
const CvMat const CvMat const CvMat CvMat CvMat CvMat CvMat CvSize CvMat CvMat * T
Definition: calib3d.hpp:270
int CvMemStorage int double eps
Definition: imgproc_c.h:353
Definition: params.h:44
SearchParams(int checks=32, float eps=0, bool sorted=true)
Definition: params.h:46
std::map< std::string, any > IndexParams
Definition: params.h:42
GLenum const GLfloat * params
Definition: compat.hpp:688
GLuint const GLchar * name
Definition: core_c.h:1546