SE2MultiRigidBodyPlanning.cpp
1 /*********************************************************************
2 * Rice University Software Distribution License
3 *
4 * Copyright (c) 2012, Rice University
5 * All Rights Reserved.
6 *
7 * For a full description see the file named LICENSE.
8 *
9 *********************************************************************/
10 
11 /* Author: Ryan Luna */
12 
13 #include "omplapp/apps/SE2MultiRigidBodyPlanning.h"
14 
16  AppBase<AppType::GEOMETRIC>(std::make_shared<base::CompoundStateSpace>(), Motion_2D), n_(n)
17 {
18  assert (n > 0);
19  name_ = "Multi rigid body planning (2D)";
20  // Adding n SE(2) StateSpaces
21  for (unsigned int i = 0; i < n_; ++i)
22  si_->getStateSpace()->as<base::CompoundStateSpace>()->addSubspace(
23  std::make_shared<base::SE2StateSpace>(), 1.0);
24 }
25 
26 void ompl::app::SE2MultiRigidBodyPlanning::inferEnvironmentBounds()
27 {
28  // Infer bounds for all n SE(2) spaces
29  for (unsigned int i = 0; i < n_; ++i)
30  InferEnvironmentBounds(getGeometricComponentStateSpace(i), *static_cast<RigidBodyGeometry*>(this));
31 }
32 
33 void ompl::app::SE2MultiRigidBodyPlanning::inferProblemDefinitionBounds()
34 {
35  // Make sure that all n SE(2) spaces get the same bounds, if they are adjusted
36  for (unsigned int i = 0; i < n_; ++i)
38  getGeometricStateExtractor(), factor_, add_,
39  n_, getGeometricComponentStateSpace(i), mtype_);
40 }
41 
43 {
44  base::ScopedState<> st(getStateSpace());
45  auto* c_st = st->as<base::CompoundStateSpace::StateType>();
46  for (unsigned int i = 0; i < n_; ++i)
47  {
48  aiVector3D s = getRobotCenter(i);
49  auto* sub = c_st->as<base::SE2StateSpace::StateType>(i);
50  sub->setX(s.x);
51  sub->setY(s.y);
52  sub->setYaw(0.0);
53  }
54  return st;
55 }
56 
58 {
59  assert (index < n_);
60  const auto* st = state->as<base::CompoundStateSpace::StateType>()->as<base::SE2StateSpace::StateType>(index);
61  return static_cast<const base::State*>(st);
62 }
base::ScopedState getDefaultStartState() const override
Constructs the default start state where all robots begin at their geometric center. If robots are all using the same mesh, this state is not likely to be valid.
A state in SE(2): (x, y, yaw)
Definition: SE2StateSpace.h:53
Definition of a compound state.
Definition: State.h:86
void setX(double x)
Set the X component of the state.
Definition: SE2StateSpace.h:79
Definition of a scoped state.
Definition: ScopedState.h:56
STL namespace.
unsigned int n_
The number of independent rigid bodies to plan for.
base::SpaceInformationPtr si_
The created space information.
Definition: SimpleSetup.h:274
const T * as() const
Cast this instance to a desired type.
Definition: State.h:66
A space to allow the composition of state spaces.
Definition: StateSpace.h:573
const base::State * getGeometricComponentStateInternal(const base::State *state, unsigned int index) const override
Returns the state corresponding to the indexth rigid body in the compound state.
const base::ProblemDefinitionPtr & getProblemDefinition() const
Get the current instance of the problem definition.
Definition: SimpleSetup.h:81
Definition of an abstract state.
Definition: State.h:49
SE2MultiRigidBodyPlanning(unsigned int n)
Constructs an instance of multiple rigid bodies for 2D geometric planning. n is the number of indepen...