Example #1
0
  virtual bool Initialize()
  {
    drawCommanded = 0;
    drawDesired = 1;
    drawPath = 0;
    drawUI = 1;
    drawContacts = 1;

    robotInterface = new DefaultMotionQueueInterface(GetMotionQueue(sim.robotControllers[0]));
    CopyWorld(*world,planningWorld);
    Robot* robot = planningWorld.robots[0];
    for(size_t i=0;i<robot->geometry.size();i++)
      robot->geometry[i]->margin += collisionMargin;
    plannerSettings.InitializeDefault(planningWorld);
    uis.resize(0);
#ifndef MULTITHREADED
    uis.push_back(new IKPlannerCommandInterface);
    uis.push_back(new RRTCommandInterface);
#else
    uis.push_back(new MTIKPlannerCommandInterface);
    uis.push_back(new MTRRTCommandInterface);
#endif //WIN32
    for(size_t i=0;i<uis.size();i++) {
      uis[i]->world = world;
      uis[i]->robotInterface = robotInterface;
      uis[i]->viewport = &viewport;
      uis[i]->planningWorld = &planningWorld;
      uis[i]->settings = &plannerSettings;
      dynamic_cast<InputProcessingInterface*>((RobotUserInterface*)uis[i])->SetProcessor(serialInputProcessor);
    }
    currentUI = oldUI = 0;

    //activate current UI
    string res=uis[currentUI]->ActivateEvent(true);

    if(!WorldViewProgram::Initialize()) return false;

    glui = GLUI_Master.create_glui_subwindow(main_window,GLUI_SUBWINDOW_RIGHT);
    glui->set_main_gfx_window(main_window);
    glui->add_button("Simulate",SIMULATE_BUTTON_ID,ControlFunc);
    glui->add_button("Reset",RESET_BUTTON_ID,ControlFunc);
    ui_listbox = glui->add_listbox("UI",&currentUI,UI_LISTBOX_ID,ControlFunc);
    for(size_t i=0;i<uis.size();i++) {
      char buf[256];
      strcpy(buf,uis[i]->Description().c_str());
      ui_listbox->add_item(i,buf);
    }

    glui->add_checkbox("Draw commanded",&drawCommanded);
    glui->add_checkbox("Draw desired",&drawDesired);
    glui->add_checkbox("Draw UI",&drawUI);
    glui->add_checkbox("Draw path",&drawPath);
    glui->add_checkbox("Draw contacts",&drawContacts);

    printf("Done initializing...\n");
    return true;
  }
  void Start()
  {
    Assert(sim.robotControllers[0] != NULL);
    Assert(sim.robotControllers[0]->command != NULL);
    Assert(sim.robotControllers[0]->sensors != NULL);

    //choose and set the collision avoidance margin
    collisionMargin = 0.0;
    CopyWorld(*world,planningWorld);
    Robot* robot = planningWorld.robots[0].robot;
    for(size_t i=0;i<robot->geometry.size();i++) {
      robot->geometry[i].margin += collisionMargin;
    }

    settings.InitializeDefault(planningWorld);
    drawCommanded = 0;
    drawDesired = 1;
    drawPath = 0;
    drawUI = 1;
    drawContacts = 1;

    MapButtonToggle("draw_commanded",&drawCommanded);
    MapButtonToggle("draw_desired",&drawDesired);
    MapButtonToggle("draw_path",&drawPath);
    MapButtonToggle("draw_ui",&drawUI);
    MapButtonToggle("draw_contacts",&drawContacts);

    ///Hack to initialize motion queue before the planner tries to get a hold of it
    sim.robotControllers[0]->Update(0); 

    //set up user interface
    robotInterface = new DefaultMotionQueueInterface(GetMotionQueue(sim.robotControllers[0]));
#ifdef MULTITHREADED
    printf("Constructing multi-threaded RRT user interface...\n");
    ui = new MTRRTCommandInterface;
#else
    printf("Constructing single-threaded RRT user interface...\n");
    ui = new RRTCommandInterface;
#endif //WIN32
    ui->world = world;
    ui->settings = &settings;
    ui->planningWorld = &planningWorld;
    ui->robotInterface = robotInterface;
    ui->viewport = &viewport;
    inputProcessor = new MyInputProcessor;
    ui->SetProcessor(inputProcessor);

    //activate current UI
    string res=ui->ActivateEvent(true);

    //enable simulation (this flag is in SimulationGUI)
    simulate=1;

    SimGUIBackend::Start();
  }
Example #3
0
/** @brief Performs path planning in collision-free space for the
 * given robot at the stance s between start configuration qstart and
 * destination qgoal.
 * Stability is tested at each configuration.
 *
 * The output is given in path.  cond controls the number of iterations/time
 * for planning.
 *
 * The constraint specifications are given in WorldPlannerSettings. If you
 * have custom requirements, you will need to set them up.
 */
bool StancePlan(RobotWorld& world,int robot,Config& qstart,Config& qgoal,const Stance& s,MilestonePath& path,
		 const HaltingCondition& cond,const string& plannerSettings="")
{
  WorldPlannerSettings settings;
  settings.InitializeDefault(world);
  //do more constraint setup here (modifying the settings object) if desired,
  //e.g., set collision margins, edge collision checking resolution, etc.
  StanceCSpace cspace(world,robot,&settings); 
  cspace.SetStance(s);
  cspace.CalculateSP();
  if(gSupportPolygonMargin != 0)
    cspace.SetSPMargin(gSupportPolygonMargin);
  //sanity checking
  if(!cspace.CheckContact(qstart)) {
    printf("Start configuration does not meet contact constraint, error %g\n",cspace.ContactDistance(qstart));
    if(!cspace.SolveContact()) {
      printf("  Solving for contact failed.\n");
      return false;
    }
    else {
      printf("  IK problem was solved, using new start configuration\n");
      qstart = cspace.GetRobot()->q;
    }
  }
  if(!cspace.CheckContact(qgoal)) {
    printf("Goal configuration does not meet contact constraint, error %g\n",cspace.ContactDistance(qgoal));
    if(!cspace.SolveContact()) {
      printf("  Solving for contact failed.\n");
      return false;
    }
    else {
      printf("  IK problem was solved, using new goal configuration\n");
      qgoal = cspace.GetRobot()->q;
    }
  }
  if(!cspace.IsFeasible(qstart)) {
    cout<<"Start configuration is infeasible, violated constraints:"<<endl;
    vector<bool> infeasible;
    cspace.CheckObstacles(qstart,infeasible);
    for(size_t i=0;i<infeasible.size();i++)
      if(infeasible[i]) cout<<"  "<<cspace.ObstacleName(i)<<endl;
    return false;
  }
  if(!cspace.IsFeasible(qgoal)) {
    cout<<"Goal configuration is infeasible, violated constraints:"<<endl;
    vector<bool> infeasible;
    cspace.CheckObstacles(qgoal,infeasible);
    for(size_t i=0;i<infeasible.size();i++)
      if(infeasible[i]) cout<<"  "<<cspace.ObstacleName(i)<<endl;
    return false;
  }

  MotionPlannerFactory factory;
  if(!plannerSettings.empty())
    factory.LoadJSON(plannerSettings);
  //do more planner setup here if desired, e.g., change planner type,
  //perturbation size, connection radius, etc

  //make the planner and do the planning
  MotionPlannerInterface* planner = factory.Create(&cspace,qstart,qgoal);
  string res = planner->Plan(path,cond);
  cout<<"Planner terminated with condition "<<res<<endl;
  printf("  Stats: SolveContact %d, %gs. IsFeasible %d, %gs\n",cspace.numSolveContact,cspace.solveContactTime,cspace.numIsFeasible,cspace.isFeasibleTime);
  delete planner;
  return !path.edges.empty();
}