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/////////////////////////////////////////////////////////////////////////////// |
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// BSD 3-Clause License |
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// |
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// Copyright (C) 2019-2023, University of Edinburgh, Heriot-Watt University |
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// Copyright note valid unless otherwise stated in individual files. |
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// All rights reserved. |
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/////////////////////////////////////////////////////////////////////////////// |
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#include "contact.hpp" |
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#include "crocoddyl/multibody/contacts/contact-1d.hpp" |
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#include "crocoddyl/multibody/contacts/contact-2d.hpp" |
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#include "crocoddyl/multibody/contacts/contact-3d.hpp" |
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#include "crocoddyl/multibody/contacts/contact-6d.hpp" |
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namespace crocoddyl { |
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namespace unittest { |
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const std::vector<ContactModelTypes::Type> ContactModelTypes::all( |
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ContactModelTypes::init_all()); |
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std::ostream& operator<<(std::ostream& os, |
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const ContactModelTypes::Type& type) { |
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switch (type) { |
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case ContactModelTypes::ContactModel1D_LOCAL: |
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os << "ContactModel1D_LOCAL"; |
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break; |
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case ContactModelTypes::ContactModel1D_WORLD: |
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os << "ContactModel1D_WORLD"; |
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break; |
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case ContactModelTypes::ContactModel1D_LWA: |
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os << "ContactModel1D_LWA"; |
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break; |
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case ContactModelTypes::ContactModel2D: |
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os << "ContactModel2D"; |
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break; |
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case ContactModelTypes::ContactModel3D_LOCAL: |
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os << "ContactModel3D_LOCAL"; |
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break; |
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case ContactModelTypes::ContactModel3D_WORLD: |
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os << "ContactModel3D_WORLD"; |
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break; |
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case ContactModelTypes::ContactModel3D_LWA: |
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os << "ContactModel3D_LWA"; |
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break; |
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case ContactModelTypes::ContactModel6D_LOCAL: |
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os << "ContactModel6D_LOCAL"; |
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break; |
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case ContactModelTypes::ContactModel6D_WORLD: |
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os << "ContactModel6D_WORLD"; |
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break; |
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case ContactModelTypes::ContactModel6D_LWA: |
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os << "ContactModel6D_LWA"; |
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break; |
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case ContactModelTypes::NbContactModelTypes: |
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os << "NbContactModelTypes"; |
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break; |
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default: |
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os << "Unknown type"; |
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break; |
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} |
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return os; |
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} |
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ContactModelFactory::ContactModelFactory() {} |
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ContactModelFactory::~ContactModelFactory() {} |
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std::shared_ptr<crocoddyl::ContactModelAbstract> ContactModelFactory::create( |
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ContactModelTypes::Type contact_type, PinocchioModelTypes::Type model_type, |
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Eigen::Vector2d gains, const std::string frame_name, std::size_t nu) const { |
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PinocchioModelFactory model_factory(model_type); |
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std::shared_ptr<crocoddyl::StateMultibody> state = |
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std::make_shared<crocoddyl::StateMultibody>(model_factory.create()); |
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std::shared_ptr<crocoddyl::ContactModelAbstract> contact; |
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std::size_t frame_id = 0; |
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if (frame_name == "") { |
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frame_id = model_factory.get_frame_ids()[0]; |
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} else { |
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frame_id = state->get_pinocchio()->getFrameId(frame_name); |
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} |
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if (nu == std::numeric_limits<std::size_t>::max()) { |
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nu = state->get_nv(); |
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} |
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switch (contact_type) { |
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case ContactModelTypes::ContactModel1D_LOCAL: { |
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pinocchio::SE3 M = pinocchio::SE3::Random(); |
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gains[0] = |
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0; // TODO(cmastalli): remove hard-coded zero when fixed the contact |
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contact = std::make_shared<crocoddyl::ContactModel1D>( |
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state, frame_id, 0., pinocchio::ReferenceFrame::LOCAL, M.rotation(), |
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nu, gains); |
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break; |
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} |
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case ContactModelTypes::ContactModel1D_WORLD: { |
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pinocchio::SE3 M = pinocchio::SE3::Random(); |
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gains[0] = |
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0; // TODO(cmastalli): remove hard-coded zero when fixed the contact |
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contact = std::make_shared<crocoddyl::ContactModel1D>( |
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state, frame_id, 0., pinocchio::ReferenceFrame::WORLD, M.rotation(), |
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nu, gains); |
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break; |
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} |
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case ContactModelTypes::ContactModel1D_LWA: { |
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pinocchio::SE3 M = pinocchio::SE3::Random(); |
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gains[0] = |
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0; // TODO(cmastalli): remove hard-coded zero when fixed the contact |
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contact = std::make_shared<crocoddyl::ContactModel1D>( |
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state, frame_id, 0., pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED, |
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M.rotation(), nu, gains); |
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break; |
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} |
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case ContactModelTypes::ContactModel2D: |
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gains[0] = |
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0; // TODO(cmastalli): remove hard-coded zero when fixed the contact |
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contact = std::make_shared<crocoddyl::ContactModel2D>( |
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state, frame_id, Eigen::Vector2d::Zero(), nu, gains); |
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break; |
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case ContactModelTypes::ContactModel3D_LOCAL: |
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contact = std::make_shared<crocoddyl::ContactModel3D>( |
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state, frame_id, Eigen::Vector3d::Zero(), |
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pinocchio::ReferenceFrame::LOCAL, nu, gains); |
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break; |
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case ContactModelTypes::ContactModel3D_WORLD: |
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contact = std::make_shared<crocoddyl::ContactModel3D>( |
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state, frame_id, Eigen::Vector3d::Zero(), |
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pinocchio::ReferenceFrame::WORLD, nu, gains); |
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break; |
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case ContactModelTypes::ContactModel3D_LWA: |
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contact = std::make_shared<crocoddyl::ContactModel3D>( |
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state, frame_id, Eigen::Vector3d::Zero(), |
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pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED, nu, gains); |
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break; |
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case ContactModelTypes::ContactModel6D_LOCAL: |
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contact = std::make_shared<crocoddyl::ContactModel6D>( |
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state, frame_id, pinocchio::SE3::Identity(), |
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pinocchio::ReferenceFrame::LOCAL, nu, gains); |
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break; |
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case ContactModelTypes::ContactModel6D_WORLD: |
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contact = std::make_shared<crocoddyl::ContactModel6D>( |
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state, frame_id, pinocchio::SE3::Identity(), |
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pinocchio::ReferenceFrame::WORLD, nu, gains); |
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break; |
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case ContactModelTypes::ContactModel6D_LWA: |
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contact = std::make_shared<crocoddyl::ContactModel6D>( |
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state, frame_id, pinocchio::SE3::Identity(), |
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pinocchio::ReferenceFrame::LOCAL_WORLD_ALIGNED, nu, gains); |
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break; |
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default: |
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throw_pretty(__FILE__ ": Wrong ContactModelTypes::Type given"); |
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break; |
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} |
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return contact; |
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} |
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std::shared_ptr<crocoddyl::ContactModelAbstract> create_random_contact() { |
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static bool once = true; |
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if (once) { |
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srand((unsigned)time(NULL)); |
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once = false; |
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} |
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std::shared_ptr<crocoddyl::ContactModelAbstract> contact; |
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ContactModelFactory factory; |
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if (rand() % 4 == 0) { |
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contact = factory.create(ContactModelTypes::ContactModel1D_LOCAL, |
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PinocchioModelTypes::RandomHumanoid, |
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Eigen::Vector2d::Random()); |
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} else if (rand() % 4 == 1) { |
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contact = factory.create(ContactModelTypes::ContactModel2D, |
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PinocchioModelTypes::RandomHumanoid, |
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Eigen::Vector2d::Random()); |
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} else if (rand() % 4 == 2) { |
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contact = factory.create(ContactModelTypes::ContactModel3D_LOCAL, |
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PinocchioModelTypes::RandomHumanoid, |
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Eigen::Vector2d::Random()); |
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} else { |
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contact = factory.create(ContactModelTypes::ContactModel6D_LOCAL, |
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PinocchioModelTypes::RandomHumanoid, |
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Eigen::Vector2d::Random()); |
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} |
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return contact; |
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} |
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} // namespace unittest |
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} // namespace crocoddyl |
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