gtsam/slam/planarSLAM.h

61 lines
2.0 KiB
C++

/**
* @file planarSLAM.h
* @brief: bearing/range measurements in 2D plane
* @authors Frank Dellaert
**/
#pragma once
#include <gtsam/slam/BearingRangeFactor.h>
#include <gtsam/nonlinear/TupleConfig.h>
#include <gtsam/nonlinear/NonlinearEquality.h>
#include <gtsam/slam/PriorFactor.h>
#include <gtsam/slam/BetweenFactor.h>
#include <gtsam/nonlinear/NonlinearFactorGraph.h>
#include <gtsam/nonlinear/NonlinearOptimizer.h>
// We use gtsam namespace for generally useful factors
namespace gtsam {
// Use planarSLAM namespace for specific SLAM instance
namespace planarSLAM {
// Keys and Config
typedef TypedSymbol<Pose2, 'x'> PoseKey;
typedef TypedSymbol<Point2, 'l'> PointKey;
typedef LieConfig<PoseKey> PoseConfig;
typedef LieConfig<PointKey> PointConfig;
typedef TupleConfig2<PoseConfig, PointConfig> Config;
// Factors
typedef NonlinearEquality<Config, PoseKey> Constraint;
typedef PriorFactor<Config, PoseKey> Prior;
typedef BetweenFactor<Config, PoseKey> Odometry;
typedef BearingFactor<Config, PoseKey, PointKey> Bearing;
typedef RangeFactor<Config, PoseKey, PointKey> Range;
typedef BearingRangeFactor<Config, PoseKey, PointKey> BearingRange;
// Graph
struct Graph: public NonlinearFactorGraph<Config> {
Graph(){}
Graph(const NonlinearFactorGraph<Config>& graph);
void addPrior(const PoseKey& i, const Pose2& p, const SharedGaussian& model);
void addPoseConstraint(const PoseKey& i, const Pose2& p);
void addOdometry(const PoseKey& i, const PoseKey& j, const Pose2& z,
const SharedGaussian& model);
void addBearing(const PoseKey& i, const PointKey& j, const Rot2& z,
const SharedGaussian& model);
void addRange(const PoseKey& i, const PointKey& j, double z,
const SharedGaussian& model);
void addBearingRange(const PoseKey& i, const PointKey& j,
const Rot2& z1, double z2, const SharedGaussian& model);
};
// Optimizer
typedef NonlinearOptimizer<Graph, Config> Optimizer;
} // planarSLAM
} // namespace gtsam