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Merge pull request #1376 from BrettRD/develop
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dellaert authored Jan 10, 2023
2 parents 00dc32d + 80aa475 commit b882eaf
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6 changes: 4 additions & 2 deletions gtsam/geometry/OrientedPlane3.h
Original file line number Diff line number Diff line change
Expand Up @@ -125,12 +125,14 @@ class GTSAM_EXPORT OrientedPlane3 {
}

/// Return the normal
inline Unit3 normal() const {
inline Unit3 normal(OptionalJacobian<2, 3> H = boost::none) const {
if (H) *H << I_2x2, Z_2x1;
return n_;
}

/// Return the perpendicular distance to the origin
inline double distance() const {
inline double distance(OptionalJacobian<1, 3> H = boost::none) const {
if (H) *H << 0,0,1;
return d_;
}
};
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42 changes: 42 additions & 0 deletions gtsam/geometry/tests/testOrientedPlane3.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,48 @@ TEST(OrientedPlane3, jacobian_retract) {
}
}

//*******************************************************************************
TEST(OrientedPlane3, jacobian_normal) {
Matrix23 H_actual, H_expected;
OrientedPlane3 plane(-1, 0.1, 0.2, 5);

std::function<Unit3(const OrientedPlane3&)> f = std::bind(
&OrientedPlane3::normal, std::placeholders::_1, boost::none);

H_expected = numericalDerivative11(f, plane);
plane.normal(H_actual);
EXPECT(assert_equal(H_actual, H_expected, 1e-5));
}

//*******************************************************************************
TEST(OrientedPlane3, jacobian_distance) {
Matrix13 H_actual, H_expected;
OrientedPlane3 plane(-1, 0.1, 0.2, 5);

std::function<double(const OrientedPlane3&)> f = std::bind(
&OrientedPlane3::distance, std::placeholders::_1, boost::none);

H_expected = numericalDerivative11(f, plane);
plane.distance(H_actual);
EXPECT(assert_equal(H_actual, H_expected, 1e-5));
}

//*******************************************************************************
TEST(OrientedPlane3, getMethodJacobians) {
OrientedPlane3 plane(-1, 0.1, 0.2, 5);
Matrix33 H_retract, H_getters;
Matrix23 H_normal;
Matrix13 H_distance;

// confirm the getters are exactly on the tangent space
Vector3 v(0, 0, 0);
plane.retract(v, H_retract);
plane.normal(H_normal);
plane.distance(H_distance);
H_getters << H_normal, H_distance;
EXPECT(assert_equal(H_retract, H_getters, 1e-5));
}

/* ************************************************************************* */
int main() {
srand(time(nullptr));
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35 changes: 35 additions & 0 deletions gtsam/slam/expressions.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
#include <gtsam/geometry/Cal3_S2.h>
#include <gtsam/geometry/Cal3Bundler.h>
#include <gtsam/geometry/Line3.h>
#include <gtsam/geometry/OrientedPlane3.h>
#include <gtsam/geometry/PinholeCamera.h>

namespace gtsam {
Expand All @@ -26,13 +27,18 @@ inline Point2_ transformTo(const Pose2_& x, const Point2_& p) {
return Point2_(x, &Pose2::transformTo, p);
}

inline Double_ range(const Point2_& p, const Point2_& q) {
return Double_(Range<Point2, Point2>(), p, q);
}

// 3D Geometry

typedef Expression<Point3> Point3_;
typedef Expression<Unit3> Unit3_;
typedef Expression<Rot3> Rot3_;
typedef Expression<Pose3> Pose3_;
typedef Expression<Line3> Line3_;
typedef Expression<OrientedPlane3> OrientedPlane3_;

inline Point3_ transformTo(const Pose3_& x, const Point3_& p) {
return Point3_(x, &Pose3::transformTo, p);
Expand All @@ -48,6 +54,10 @@ inline Line3_ transformTo(const Pose3_ &wTc, const Line3_ &wL) {
return Line3_(f, wTc, wL);
}

inline Pose3_ transformPoseTo(const Pose3_& p, const Pose3_& q) {
return Pose3_(p, &Pose3::transformPoseTo, q);
}

inline Point3_ normalize(const Point3_& a){
Point3 (*f)(const Point3 &, OptionalJacobian<3, 3>) = &normalize;
return Point3_(f, a);
Expand All @@ -70,16 +80,28 @@ namespace internal {
inline Rot3 rotation(const Pose3& pose, OptionalJacobian<3, 6> H) {
return pose.rotation(H);
}

inline Point3 translation(const Pose3& pose, OptionalJacobian<3, 6> H) {
return pose.translation(H);
}
} // namespace internal

inline Rot3_ rotation(const Pose3_& pose) {
return Rot3_(internal::rotation, pose);
}

inline Point3_ translation(const Pose3_& pose) {
return Point3_(internal::translation, pose);
}

inline Point3_ rotate(const Rot3_& x, const Point3_& p) {
return Point3_(x, &Rot3::rotate, p);
}

inline Point3_ point3(const Unit3_& v) {
return Point3_(&Unit3::point3, v);
}

inline Unit3_ rotate(const Rot3_& x, const Unit3_& p) {
return Unit3_(x, &Rot3::rotate, p);
}
Expand All @@ -92,6 +114,14 @@ inline Unit3_ unrotate(const Rot3_& x, const Unit3_& p) {
return Unit3_(x, &Rot3::unrotate, p);
}

inline Double_ distance(const OrientedPlane3_& p) {
return Double_(&OrientedPlane3::distance, p);
}

inline Unit3_ normal(const OrientedPlane3_& p) {
return Unit3_(&OrientedPlane3::normal, p);
}

// Projection

typedef Expression<Cal3_S2> Cal3_S2_;
Expand Down Expand Up @@ -143,6 +173,11 @@ Point2_ uncalibrate(const Expression<CALIBRATION>& K, const Point2_& xy_hat) {
return Point2_(K, &CALIBRATION::uncalibrate, xy_hat);
}

template <class CALIBRATION>
inline Pose3_ getPose(const Expression<PinholeCamera<CALIBRATION> > & cam) {
return Pose3_(&PinholeCamera<CALIBRATION>::getPose, cam);
}


/// logmap
// TODO(dellaert): Should work but fails because of a type deduction conflict.
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