distance.cc

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//  Copyright (c) 2019 CNRS-LAAS INRIA
//  Author: Joseph Mirabel
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#include <eigenpy/eigenpy.hpp>
 
#include "fcl.hh"
 
#include <hpp/fcl/fwd.hh>
#include <hpp/fcl/distance.h>
 
#ifdef HPP_FCL_HAS_DOXYGEN_AUTODOC
#include "doxygen_autodoc/functions.h"
#include "doxygen_autodoc/hpp/fcl/collision_data.h"
#endif
 
using namespace boost::python;
using namespace hpp::fcl;
 
namespace dv = doxygen::visitor;
 
struct DistanceRequestWrapper {
  static Vec3f getNearestPoint1(const DistanceResult& res) {
    return res.nearest_points[0];
  }
  static Vec3f getNearestPoint2(const DistanceResult& res) {
    return res.nearest_points[1];
  }
};
 
void exposeDistanceAPI() {
  if (!eigenpy::register_symbolic_link_to_registered_type<DistanceRequest>()) {
    class_<DistanceRequest, bases<QueryRequest> >(
        "DistanceRequest", doxygen::class_doc<DistanceRequest>(),
        init<optional<bool, FCL_REAL, FCL_REAL> >(
            (arg("self"), arg("enable_nearest_points"), arg("rel_err"),
             arg("abs_err")),
            "Constructor"))
        .DEF_RW_CLASS_ATTRIB(DistanceRequest, enable_nearest_points)
        .DEF_RW_CLASS_ATTRIB(DistanceRequest, rel_err)
        .DEF_RW_CLASS_ATTRIB(DistanceRequest, abs_err);
  }
 
  if (!eigenpy::register_symbolic_link_to_registered_type<
          std::vector<DistanceRequest> >()) {
    class_<std::vector<DistanceRequest> >("StdVec_DistanceRequest")
        .def(vector_indexing_suite<std::vector<DistanceRequest> >());
  }
 
  if (!eigenpy::register_symbolic_link_to_registered_type<DistanceResult>()) {
    class_<DistanceResult, bases<QueryResult> >(
        "DistanceResult", doxygen::class_doc<DistanceResult>(), no_init)
        .def(dv::init<DistanceResult>())
        .DEF_RW_CLASS_ATTRIB(DistanceResult, min_distance)
        .DEF_RW_CLASS_ATTRIB(DistanceResult, normal)
        //.def_readwrite ("nearest_points", &DistanceResult::nearest_points)
        .def("getNearestPoint1", &DistanceRequestWrapper::getNearestPoint1,
             doxygen::class_attrib_doc<DistanceResult>("nearest_points"))
        .def("getNearestPoint2", &DistanceRequestWrapper::getNearestPoint2,
             doxygen::class_attrib_doc<DistanceResult>("nearest_points"))
        .DEF_RO_CLASS_ATTRIB(DistanceResult, o1)
        .DEF_RO_CLASS_ATTRIB(DistanceResult, o2)
        .DEF_RW_CLASS_ATTRIB(DistanceResult, b1)
        .DEF_RW_CLASS_ATTRIB(DistanceResult, b2)
 
        .def("clear", &DistanceResult::clear,
             doxygen::member_func_doc(&DistanceResult::clear));
  }
 
  if (!eigenpy::register_symbolic_link_to_registered_type<
          std::vector<DistanceResult> >()) {
    class_<std::vector<DistanceResult> >("StdVec_DistanceResult")
        .def(vector_indexing_suite<std::vector<DistanceResult> >());
  }
 
  doxygen::def(
      "distance",
      static_cast<FCL_REAL (*)(const CollisionObject*, const CollisionObject*,
                               const DistanceRequest&, DistanceResult&)>(
          &distance));
  doxygen::def(
      "distance",
      static_cast<FCL_REAL (*)(const CollisionGeometry*, const Transform3f&,
                               const CollisionGeometry*, const Transform3f&,
                               DistanceRequest&, DistanceResult&)>(&distance));
 
  class_<ComputeDistance>("ComputeDistance",
                          doxygen::class_doc<ComputeDistance>(), no_init)
      .def(dv::init<ComputeDistance, const CollisionGeometry*,
                    const CollisionGeometry*>())
      .def("__call__",
           static_cast<FCL_REAL (ComputeDistance::*)(
               const Transform3f&, const Transform3f&, DistanceRequest&,
               DistanceResult&) const>(&ComputeDistance::operator()));
}