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vio/vio/include/sophus/scso3.h
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2026-08-28 18:29:45 +02:00

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// This file is part of Sophus.
//
// Copyright 2012 Hauke Strasdat (Imperial College London)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef SOPHUS_ScSO3_H
#define SOPHUS_ScSO3_H
#include <Eigen/Core>
#include <Eigen/StdVector>
#include <Eigen/Geometry>
#include "so3.h"
namespace Sophus
{
using namespace Eigen;
class ScSO3
{
public:
EIGEN_MAKE_ALIGNED_OPERATOR_NEW
ScSO3 ();
ScSO3 (const ScSO3 & other);
explicit
ScSO3 (const Matrix3d & scale_times_R);
ScSO3 (double scale,
const SO3 & so3);
ScSO3 (double scale,
const Matrix3d & R);
explicit
ScSO3 (const Quaterniond & quaternion);
void
operator= (const ScSO3 & ScSO3);
ScSO3
operator* (const ScSO3 & ScSO3) const;
void
operator*= (const ScSO3 & ScSO3);
Vector3d
operator* (const Vector3d & xyz) const;
ScSO3
inverse () const;
Matrix3d
matrix () const;
Matrix3d
rotationMatrix () const;
double
scale () const;
void
setRotationMatrix (const Matrix3d & R);
void
setScale (double scale);
Matrix4d
Adj () const;
Matrix3d
generator (int i);
Vector4d
log () const;
static ScSO3
exp (const Vector4d & omega);
static ScSO3
expAndTheta (const Vector4d & omega,
double * theta);
static Vector4d
log (const ScSO3 & ScSO3);
static Vector4d
logAndTheta (const ScSO3 & ScSO3,
double * theta);
static Matrix3d
hat (const Vector4d & omega);
static Vector4d
vee (const Matrix3d & Omega);
static Vector4d
lieBracket (const Vector4d & omega1,
const Vector4d & omega2);
static Matrix4d
d_lieBracketab_by_d_a (const Vector4d & b);
const Quaterniond & quaternion() const
{
return quaternion_;
}
Quaterniond& quaternion()
{
return quaternion_;
}
static const int DoF = 4;
protected:
Quaterniond quaternion_;
};
inline std::ostream& operator <<(std::ostream & out_str,
const ScSO3& scso3)
{
out_str << scso3.scale() << " * " <<
scso3.log().head<3>().transpose() << std::endl;
return out_str;
}
} // end namespace
#endif