Visual Servoing Platform  version 3.3.1 under development (2020-08-12)
vpMoment.cpp
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30  *
31  * Description:
32  * Base for 2D moment descriptor
33  *
34  * Authors:
35  * Filip Novotny
36  *
37  *****************************************************************************/
38 
44 #include <cstring>
45 #include <visp3/core/vpMoment.h>
46 #include <visp3/core/vpMomentDatabase.h>
47 #include <visp3/core/vpMomentObject.h>
51 vpMoment::vpMoment() : object(NULL), moments(NULL), values() {}
52 
99 {
100  if (strlen(name()) >= 255) {
101  throw(vpException(vpException::memoryAllocationError, "Not enough memory to intialize the moment name"));
102  }
103 
104  std::strcpy(_name, name());
105  this->moments = &data_base;
106 
107  data_base.add(*this, _name);
108 }
109 
115 void vpMoment::update(vpMomentObject &moment_object) { this->object = &moment_object; }
116 
122 VISP_EXPORT std::ostream &operator<<(std::ostream &os, const vpMoment &m)
123 {
124  for (std::vector<double>::const_iterator i = m.values.begin(); i != m.values.end(); ++i)
125  os << *i << ",";
126 
127  return os;
128 }
129 
135 void vpMoment::printDependencies(std::ostream &os) const
136 {
137  os << " WARNING : Falling back to base class version of "
138  "printDependencies(). To prevent that, this has to be implemented in "
139  "the derived classes!"
140  << std::endl;
141 }
void linkTo(vpMomentDatabase &moments)
Definition: vpMoment.cpp:98
error that can be emited by ViSP classes.
Definition: vpException.h:71
Class for generic objects.
void update(vpMomentObject &object)
Definition: vpMoment.cpp:115
virtual const char * name() const =0
vpMoment()
Definition: vpMoment.cpp:51
This class allows to register all vpMoments so they can access each other according to their dependen...
This class defines shared methods/attributes for 2D moments.
Definition: vpMoment.h:110
Memory allocation error.
Definition: vpException.h:88
friend VISP_EXPORT std::ostream & operator<<(std::ostream &os, const vpMoment &m)
Definition: vpMoment.cpp:122
std::vector< double > values
Definition: vpMoment.h:118
virtual void printDependencies(std::ostream &os) const
Definition: vpMoment.cpp:135