joint.hpp

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//
// Copyright (c) 2015-2021 CNRS INRIA
//
 
#ifndef __pinocchio_python_multibody_joint_joint_hpp__
#define __pinocchio_python_multibody_joint_joint_hpp__
 
#include <boost/python.hpp>
 
#include "pinocchio/multibody/joint/joint-generic.hpp"
#include "pinocchio/bindings/python/utils/printable.hpp"
 
namespace pinocchio
{
  namespace python
  {
    namespace bp = boost::python;
 
    struct JointModelPythonVisitor : public boost::python::def_visitor<JointModelPythonVisitor>
    {
 
      template<class PyClass>
      void visit(PyClass & cl) const
      {
        cl.def(bp::init<>(bp::arg("self")))
          // All are add_properties cause ReadOnly
          .add_property("id", &getId)
          .add_property("idx_q", &getIdx_q)
          .add_property("idx_v", &getIdx_v)
          .add_property("nq", &getNq)
          .add_property("nv", &getNv)
          .def(
            "hasConfigurationLimit", &JointModel::hasConfigurationLimit,
            "Return vector of boolean if joint has configuration limits.")
          .def(
            "hasConfigurationLimitInTangent", &JointModel::hasConfigurationLimitInTangent,
            "Return vector of boolean if joint has configuration limits in tangent space.")
          .def("setIndexes", &JointModel::setIndexes, bp::args("self", "id", "idx_q", "idx_v"))
          .def(
            "hasSameIndexes", &JointModel::hasSameIndexes<JointModel>, bp::args("self", "other"),
            "Check if this has same indexes than other.")
          .def(
            "shortname", &JointModel::shortname, bp::arg("self"),
            "Returns string indicating the joint type (class name):"
            "\n\t- JointModelR[*]: Revolute Joint, with rotation axis [*] ∈ [X,Y,Z]"
            "\n\t- JointModelRevoluteUnaligned: Revolute Joint, with rotation axis not aligned "
            "with X, Y, nor Z"
            "\n\t- JointModelRUB[*]: Unbounded revolute Joint (without position limits), with "
            "rotation axis [*] ∈ [X,Y,Z]"
            "\n\t- JointModelRevoluteUnboundedUnaligned: Unbounded revolute Joint, with "
            "rotation axis not aligned with X, Y, nor Z"
            "\n\t- JointModelP[*]: Prismatic Joint, with rotation axis [*] ∈ [X,Y,Z]"
            "\n\t- JointModelPlanar: Planar joint"
            "\n\t- JointModelPrismaticUnaligned: Prismatic joint, with translation axis not "
            "aligned with X, Y, nor Z"
            "\n\t- JointModelSphericalZYX: Spherical joint (3D rotation)"
            "\n\t- JointModelTranslation: Translation joint (3D translation)"
            "\n\t- JointModelFreeFlyer: Joint enabling 3D rotation and translations.")
 
          .def(bp::self == bp::self)
          .def(bp::self != bp::self);
      }
 
      static JointIndex getId(const JointModel & self)
      {
        return self.id();
      }
      static int getIdx_q(const JointModel & self)
      {
        return self.idx_q();
      }
      static int getIdx_v(const JointModel & self)
      {
        return self.idx_v();
      }
      static int getNq(const JointModel & self)
      {
        return self.nq();
      }
      static int getNv(const JointModel & self)
      {
        return self.nv();
      }
 
      static void expose()
      {
        bp::class_<JointModel>("JointModel", "Generic Joint Model", bp::no_init)
          .def(bp::init<JointModel>(bp::args("self", "other")))
          .def(JointModelPythonVisitor())
          .def(PrintableVisitor<JointModel>());
      }
    };
 
  } // namespace python
} // namespace pinocchio
 
#endif // ifndef __pinocchio_python_multibody_joint_joint_hpp__