gtsam/slam/simulated2D.cpp

48 lines
1.3 KiB
C++

/**
* @file simulated2D.cpp
* @brief measurement functions and derivatives for simulated 2D robot
* @author Frank Dellaert
*/
#include "simulated2D.h"
#include "TupleConfig-inl.h"
namespace gtsam {
using namespace simulated2D;
// INSTANTIATE_LIE_CONFIG(PointKey, Point2)
INSTANTIATE_PAIR_CONFIG(PoseKey, Point2, PointKey, Point2)
// INSTANTIATE_NONLINEAR_FACTOR_GRAPH(Config)
// INSTANTIATE_NONLINEAR_OPTIMIZER(Graph, Config)
namespace simulated2D {
static Matrix I = gtsam::eye(2);
/* ************************************************************************* */
Point2 prior(const Point2& x, boost::optional<Matrix&> H) {
if (H) *H = I;
return x;
}
/* ************************************************************************* */
Point2 odo(const Point2& x1, const Point2& x2, boost::optional<Matrix&> H1,
boost::optional<Matrix&> H2) {
if (H1) *H1 = -I;
if (H2) *H2 = I;
return x2 - x1;
}
/* ************************************************************************* */
Point2 mea(const Point2& x, const Point2& l, boost::optional<Matrix&> H1,
boost::optional<Matrix&> H2) {
if (H1) *H1 = -I;
if (H2) *H2 = I;
return l - x;
}
/* ************************************************************************* */
} // namespace simulated2D
} // namespace gtsam