65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/**
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* @file pose2SLAM.h
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* @brief: 2D Pose SLAM
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* @authors Frank Dellaert
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**/
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#pragma once
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#include "Key.h"
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#include "Pose2.h"
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#include "LieConfig.h"
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#include "PriorFactor.h"
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#include "BetweenFactor.h"
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#include "NonlinearEquality.h"
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#include "NonlinearFactorGraph.h"
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#include "NonlinearOptimizer.h"
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namespace gtsam {
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// Use pose2SLAM namespace for specific SLAM instance
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namespace pose2SLAM {
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// Keys and Config
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typedef TypedSymbol<Pose2, 'x'> Key;
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typedef LieConfig<Key, Pose2> Config;
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/**
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* Create a circle of n 2D poses tangent to circle of radius R, first pose at (R,0)
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* @param n number of poses
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* @param R radius of circle
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* @param c character to use for keys
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* @return circle of n 2D poses
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*/
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Config circle(size_t n, double R);
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// Factors
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typedef PriorFactor<Config, Key, Pose2> Prior;
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typedef BetweenFactor<Config, Key, Pose2> Constraint;
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typedef NonlinearEquality<Config, Key, Pose2> HardConstraint;
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// Graph
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struct Graph: public NonlinearFactorGraph<Config> {
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typedef BetweenFactor<Config, Key, Pose2> Constraint;
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typedef Pose2 Pose;
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void addPrior(const Key& i, const Pose2& p, const SharedGaussian& model);
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void addConstraint(const Key& i, const Key& j, const Pose2& z, const SharedGaussian& model);
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void addHardConstraint(const Key& i, const Pose2& p);
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};
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// Optimizer
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typedef NonlinearOptimizer<Graph, Config> Optimizer;
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} // pose2SLAM
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/**
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* Backwards compatibility
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*/
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typedef pose2SLAM::Config Pose2Config;
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typedef pose2SLAM::Prior Pose2Prior;
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typedef pose2SLAM::Constraint Pose2Factor;
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typedef pose2SLAM::Graph Pose2Graph;
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} // namespace gtsam
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