gtsam/gtsam/nonlinear/Key.cpp

99 lines
2.9 KiB
C++

/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* @file Key.h
* @brief
* @author Richard Roberts
* @author Alex Cunningham
* @date Feb 20, 2012
*/
#include <iostream>
#include <boost/lexical_cast.hpp>
#include <boost/foreach.hpp>
#include <gtsam/nonlinear/Key.h>
#include <gtsam/nonlinear/LabeledSymbol.h>
namespace gtsam {
/* ************************************************************************* */
std::string _defaultKeyFormatter(Key key) {
const Symbol asSymbol(key);
if(asSymbol.chr() > 0)
return (std::string)asSymbol;
else
return boost::lexical_cast<std::string>(key);
}
/* ************************************************************************* */
std::string _multirobotKeyFormatter(gtsam::Key key) {
const LabeledSymbol asLabeledSymbol(key);
if(asLabeledSymbol.chr() > 0 && asLabeledSymbol.label() > 0)
return (std::string)asLabeledSymbol;
const gtsam::Symbol asSymbol(key);
if (asLabeledSymbol.chr() > 0)
return (std::string)asSymbol;
else
return boost::lexical_cast<std::string>(key);
}
/* ************************************************************************* */
void printKeySet(const gtsam::KeySet& keys, const std::string& s, const KeyFormatter& keyFormatter) {
std::cout << s << " ";
if (keys.empty())
std::cout << "(none)" << std::endl;
else {
BOOST_FOREACH(const gtsam::Key& key, keys)
std::cout << keyFormatter(key) << " ";
std::cout << std::endl;
}
}
/* ************************************************************************* */
gtsam::KeySet keyIntersection(const gtsam::KeySet& keysA, const gtsam::KeySet& keysB) {
gtsam::KeySet intersection;
if (keysA.empty() || keysB.empty())
return intersection;
BOOST_FOREACH(const gtsam::Key& key, keysA)
if (keysB.count(key))
intersection.insert(key);
return intersection;
}
/* ************************************************************************* */
bool hasKeyIntersection(const gtsam::KeySet& keysA, const gtsam::KeySet& keysB) {
if (keysA.empty() || keysB.empty())
return false;
BOOST_FOREACH(const gtsam::Key& key, keysA)
if (keysB.count(key))
return true;
return false;
}
/* ************************************************************************* */
gtsam::KeySet keyDifference(const gtsam::KeySet& keysA, const gtsam::KeySet& keysB) {
if (keysA.empty() || keysB.empty())
return keysA;
gtsam::KeySet difference;
BOOST_FOREACH(const gtsam::Key& key, keysA)
if (!keysB.count(key))
difference.insert(key);
return difference;
}
/* ************************************************************************* */
} // \namespace gtsam