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move PreintegrationCombinedParams to its own file

release/4.3a0
Varun Agrawal 2022-10-14 16:50:19 -04:00
parent cd69c51e86
commit 843f53c6cc
2 changed files with 108 additions and 62 deletions
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66
gtsam/navigation/CombinedImuFactor.h
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@ -23,11 +23,12 @@
#pragma once #pragma once
/* GTSAM includes */ /* GTSAM includes */
#include <gtsam/navigation/ManifoldPreintegration.h>
#include <gtsam/navigation/TangentPreintegration.h>
#include <gtsam/nonlinear/NonlinearFactor.h>
#include <gtsam/base/Matrix.h> #include <gtsam/base/Matrix.h>
#include <gtsam/base/serialization.h> #include <gtsam/base/serialization.h>
#include <gtsam/navigation/ManifoldPreintegration.h>
#include <gtsam/navigation/PreintegrationCombinedParams.h>
#include <gtsam/navigation/TangentPreintegration.h>
#include <gtsam/nonlinear/NonlinearFactor.h>
namespace gtsam { namespace gtsam {
@ -57,65 +58,6 @@ typedef ManifoldPreintegration PreintegrationType;
* Robotics: Science and Systems (RSS), 2015. * Robotics: Science and Systems (RSS), 2015.
*/ */
/// Parameters for pre-integration using PreintegratedCombinedMeasurements:
/// Usage: Create just a single Params and pass a shared pointer to the constructor
struct GTSAM_EXPORT PreintegrationCombinedParams : PreintegrationParams {
Matrix3 biasAccCovariance; ///< continuous-time "Covariance" describing accelerometer bias random walk
Matrix3 biasOmegaCovariance; ///< continuous-time "Covariance" describing gyroscope bias random walk
Matrix6 biasAccOmegaInt; ///< covariance of bias used as initial estimate.
/// Default constructor makes uninitialized params struct.
/// Used for serialization.
PreintegrationCombinedParams()
: biasAccCovariance(I_3x3),
biasOmegaCovariance(I_3x3),
biasAccOmegaInt(I_6x6) {}
/// See two named constructors below for good values of n_gravity in body frame
PreintegrationCombinedParams(const Vector3& n_gravity) :
PreintegrationParams(n_gravity), biasAccCovariance(I_3x3),
biasOmegaCovariance(I_3x3), biasAccOmegaInt(I_6x6) {
}
// Default Params for a Z-down navigation frame, such as NED: gravity points along positive Z-axis
static boost::shared_ptr<PreintegrationCombinedParams> MakeSharedD(double g = 9.81) {
return boost::shared_ptr<PreintegrationCombinedParams>(new PreintegrationCombinedParams(Vector3(0, 0, g)));
}
// Default Params for a Z-up navigation frame, such as ENU: gravity points along negative Z-axis
static boost::shared_ptr<PreintegrationCombinedParams> MakeSharedU(double g = 9.81) {
return boost::shared_ptr<PreintegrationCombinedParams>(new PreintegrationCombinedParams(Vector3(0, 0, -g)));
}
void print(const std::string& s="") const override;
bool equals(const PreintegratedRotationParams& other, double tol) const override;
void setBiasAccCovariance(const Matrix3& cov) { biasAccCovariance=cov; }
void setBiasOmegaCovariance(const Matrix3& cov) { biasOmegaCovariance=cov; }
void setBiasAccOmegaInit(const Matrix6& cov) { biasAccOmegaInt=cov; }
const Matrix3& getBiasAccCovariance() const { return biasAccCovariance; }
const Matrix3& getBiasOmegaCovariance() const { return biasOmegaCovariance; }
const Matrix6& getBiasAccOmegaInit() const { return biasAccOmegaInt; }
private:
/** Serialization function */
friend class boost::serialization::access;
template <class ARCHIVE>
void serialize(ARCHIVE& ar, const unsigned int /*version*/) {
namespace bs = ::boost::serialization;
ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(PreintegrationParams);
ar & BOOST_SERIALIZATION_NVP(biasAccCovariance);
ar & BOOST_SERIALIZATION_NVP(biasOmegaCovariance);
ar & BOOST_SERIALIZATION_NVP(biasAccOmegaInt);
}
public:
GTSAM_MAKE_ALIGNED_OPERATOR_NEW
};
/** /**
* PreintegratedCombinedMeasurements integrates the IMU measurements * PreintegratedCombinedMeasurements integrates the IMU measurements
* (rotation rates and accelerations) and the corresponding covariance matrix. * (rotation rates and accelerations) and the corresponding covariance matrix.

104
gtsam/navigation/PreintegrationCombinedParams.h Normal file
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@ -0,0 +1,104 @@
/* ----------------------------------------------------------------------------
* 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 PreintegrationCombinedParams.h
* @author Luca Carlone
* @author Stephen Williams
* @author Richard Roberts
* @author Vadim Indelman
* @author David Jensen
* @author Frank Dellaert
* @author Varun Agrawal
**/
#pragma once
/* GTSAM includes */
#include <gtsam/base/Matrix.h>
#include <gtsam/base/serialization.h>
#include <gtsam/navigation/ManifoldPreintegration.h>
#include <gtsam/navigation/PreintegrationCombinedParams.h>
#include <gtsam/navigation/TangentPreintegration.h>
#include <gtsam/nonlinear/NonlinearFactor.h>
namespace gtsam {
/// Parameters for pre-integration using PreintegratedCombinedMeasurements:
/// Usage: Create just a single Params and pass a shared pointer to the
/// constructor
struct GTSAM_EXPORT PreintegrationCombinedParams : PreintegrationParams {
Matrix3 biasAccCovariance; ///< continuous-time "Covariance" describing
///< accelerometer bias random walk
Matrix3 biasOmegaCovariance; ///< continuous-time "Covariance" describing
///< gyroscope bias random walk
Matrix6 biasAccOmegaInt; ///< covariance of bias used as initial estimate.
/// Default constructor makes uninitialized params struct.
/// Used for serialization.
PreintegrationCombinedParams()
: biasAccCovariance(I_3x3),
biasOmegaCovariance(I_3x3),
biasAccOmegaInt(I_6x6) {}
/// See two named constructors below for good values of n_gravity in body
/// frame
PreintegrationCombinedParams(const Vector3& n_gravity)
: PreintegrationParams(n_gravity),
biasAccCovariance(I_3x3),
biasOmegaCovariance(I_3x3),
biasAccOmegaInt(I_6x6) {}
// Default Params for a Z-down navigation frame, such as NED: gravity points
// along positive Z-axis
static boost::shared_ptr<PreintegrationCombinedParams> MakeSharedD(
double g = 9.81) {
return boost::shared_ptr<PreintegrationCombinedParams>(
new PreintegrationCombinedParams(Vector3(0, 0, g)));
}
// Default Params for a Z-up navigation frame, such as ENU: gravity points
// along negative Z-axis
static boost::shared_ptr<PreintegrationCombinedParams> MakeSharedU(
double g = 9.81) {
return boost::shared_ptr<PreintegrationCombinedParams>(
new PreintegrationCombinedParams(Vector3(0, 0, -g)));
}
void print(const std::string& s = "") const override;
bool equals(const PreintegratedRotationParams& other,
double tol) const override;
void setBiasAccCovariance(const Matrix3& cov) { biasAccCovariance = cov; }
void setBiasOmegaCovariance(const Matrix3& cov) { biasOmegaCovariance = cov; }
void setBiasAccOmegaInit(const Matrix6& cov) { biasAccOmegaInt = cov; }
const Matrix3& getBiasAccCovariance() const { return biasAccCovariance; }
const Matrix3& getBiasOmegaCovariance() const { return biasOmegaCovariance; }
const Matrix6& getBiasAccOmegaInit() const { return biasAccOmegaInt; }
private:
/** Serialization function */
friend class boost::serialization::access;
template <class ARCHIVE>
void serialize(ARCHIVE& ar, const unsigned int /*version*/) {
namespace bs = ::boost::serialization;
ar& BOOST_SERIALIZATION_BASE_OBJECT_NVP(PreintegrationParams);
ar& BOOST_SERIALIZATION_NVP(biasAccCovariance);
ar& BOOST_SERIALIZATION_NVP(biasOmegaCovariance);
ar& BOOST_SERIALIZATION_NVP(biasAccOmegaInt);
}
public:
GTSAM_MAKE_ALIGNED_OPERATOR_NEW
};
} // namespace gtsam