/**
* @function setRootTransform
* @brief Set q (SCREW) from pose <x,y,z,r,p,y>
*/
void InspectorTab::setRootTransform( dart::dynamics::Skeleton* robot,
const Eigen::Matrix<double, 6, 1>& pose ) {
dart::dynamics::Joint* joint = robot->getRootBodyNode()->getParentJoint();
if(dynamic_cast<dart::dynamics::FreeJoint*>(joint)) {
Matrix<double, 6, 1> q;
Eigen::Isometry3d transform = Eigen::Isometry3d::Identity();
transform.translation() = pose.head<3>();
transform.linear() = dart::math::eulerXYZToMatrix(pose.tail<3>());
q = dart::math::logMap(transform);
joint->set_q( q );
}
else {
Eigen::Isometry3d transform;
transform.makeAffine();
transform.linear() = dart::math::eulerXYZToMatrix(pose.tail<3>());
transform.translation() = pose.head<3>();
joint->setTransformFromParentBodyNode(transform);
}
for (int i = 0; i < robot->getNumBodyNodes(); ++i) {
robot->getBodyNode(i)->updateTransform();
}
}
GTEST_TEST(TestLcmUtil, testPose) {
default_random_engine generator;
generator.seed(0);
Eigen::Isometry3d pose;
pose.linear() = drake::math::UniformlyRandomRotmat(generator);
pose.translation().setLinSpaced(0, drake::kSpaceDimension);
pose.makeAffine();
const Eigen::Isometry3d& const_pose = pose;
bot_core::position_3d_t msg;
EncodePose(const_pose, msg);
Eigen::Isometry3d pose_back = DecodePose(msg);
EXPECT_TRUE(CompareMatrices(pose.matrix(), pose_back.matrix(), 1e-12,
MatrixCompareType::absolute));
}