Esempio n. 1
0
void gen_colmap(BodyPtr body, Link *link1, Link *link2)
{
    JointPathPtr path = body->getJointPath(link1, link2);
    if (path->numJoints() != 2){
        std::cerr << "the number of joints between " << link1->name << " and "
                  << link2->name << "isn't equal to 2" << std::endl;
        return;
    }
    ColdetLinkPairPtr pair = new ColdetLinkPair(link1, link2);

    Link *joint1=path->joint(0), *joint2=path->joint(1);
    double th1 = joint1->llimit, th2;
#define DTH (M_PI/180);
    std::string fname = link1->name + "_" + link2->name + ".dat";
    std::ofstream ofs(fname.c_str());
    ofs << link1->ulimit << " " << link2->ulimit << std::endl;
    ofs << link1->ulimit << " " << link2->llimit << std::endl;
    ofs << link1->llimit << " " << link2->llimit << std::endl;
    ofs << link1->llimit << " " << link2->ulimit << std::endl;
    ofs << link1->ulimit << " " << link2->ulimit << std::endl;
    ofs << std::endl << std::endl;
    int ntest=0, ncollision=0;
    while (th1 < joint1->ulimit){
        joint1->q = th1;
        th2 = joint2->llimit;
        while (th2 < joint2->ulimit){
            joint2->q = th2;
            path->calcForwardKinematics();
            link1->coldetModel->setPosition(link1->attitude(), link1->p);
            link2->coldetModel->setPosition(link2->attitude(), link2->p);
	    ntest++;
            if (pair->checkCollision()){
                ofs << th1 << " " << th2 << std::endl;
		ncollision++;
	    }
            th2 += DTH;
        }
        th1 += DTH;
    }
    std::cout << link1->name << "<->" << link2->name << ":" << ncollision
	      << "/" << ntest << std::endl;
}
Esempio n. 2
0
int main(int argc, char *argv[])
{
    srand((unsigned)time(NULL));

    const char *robotURL = NULL;
    std::vector<std::string> obstacleURL;
    std::vector<Vector3> obstacleP;
    std::vector<Vector3> obstacleRpy;
    for(int i = 1 ; i < argc; i++) {
        if (strcmp(argv[i], "-robot") == 0) {
            robotURL = argv[++i];
        } else if (strcmp(argv[i], "-obstacle") == 0) {
            obstacleURL.push_back(argv[++i]);
            Vector3 p, rpy;
            for (int j=0; j<3; j++) p[j] = atof(argv[++i]);
            obstacleP.push_back(p);
            for (int j=0; j<3; j++) rpy[j] = atof(argv[++i]);
            obstacleRpy.push_back(rpy);
        }
    }
    if (robotURL == NULL) {
        std::cerr << "please specify URL of VRML model by -robot option"
                  << std::endl;
        return 1;
    }


    BodyPtr robot = new Body();
    loadBodyFromModelLoader(robot, robotURL, argc, argv, true);

    problem prob;
    prob.addRobot("robot", robotURL, robot);
    std::vector<BodyPtr> obstacles;
    for (unsigned int i=0; i<obstacleURL.size(); i++) {
        char buf[20];
        sprintf(buf, "obstacle%02d", i);
        obstacles.push_back(prob.addObstacle(buf, obstacleURL[i]));
    }

    // This must be called after all bodies are added
    prob.initOLV(argc, argv);

    PathEngine::Configuration::size(4+6+6);
    PathEngine::Configuration::bounds(0,  0.2, 0.8); // body z
    PathEngine::Configuration::bounds(1, -0.5, 0.5); // body roll
    PathEngine::Configuration::bounds(2, -0.0, 0.5); // body pitch
    PathEngine::Configuration::bounds(3, -0.5, 0.5); // body yaw

    int arm;
    PathEngine::Configuration goalCfg;
    std::ifstream ifs("goal.txt");
    ifs >> arm;
    for (unsigned int i=0; i<PathEngine::Configuration::size(); i++) {
        ifs >> goalCfg[i];
    }

#if 1
    PathEngine::Configuration::weight(0) = 0.1; // z

    PathEngine::Configuration::weight(1) = 1;  // roll
    PathEngine::Configuration::weight(2) = 1;  // pitch
    PathEngine::Configuration::weight(3) = 1;  // yaw

    PathEngine::Configuration::weight(4) = 0.8;
    PathEngine::Configuration::weight(5) = 0.6;
    PathEngine::Configuration::weight(6) = 0.4;
    PathEngine::Configuration::weight(7) = 0.3;
    PathEngine::Configuration::weight(8) = 0.2;
    PathEngine::Configuration::weight(9) = 0.1;

    PathEngine::Configuration::weight(10) = 0.8;
    PathEngine::Configuration::weight(11) = 0.6;
    PathEngine::Configuration::weight(12) = 0.4;
    PathEngine::Configuration::weight(13) = 0.3;
    PathEngine::Configuration::weight(14) = 0.2;
    PathEngine::Configuration::weight(15) = 0.1;
#endif

    JointPathPtr armPath[2];
    Link *chest = robot->link("CHEST_JOINT1");
    Link *wrist[2] = {robot->link("RARM_JOINT5"),
                      robot->link("LARM_JOINT5")
                     };
    for (int k=0; k<2; k++) {
        armPath[k] = robot->getJointPath(chest, wrist[k]);
        for (int i=0; i<armPath[k]->numJoints(); i++) {
            Link *j = armPath[k]->joint(i);
            PathEngine::Configuration::bounds(4+k*6+i, j->llimit, j->ulimit);
        }
    }

    PathEngine::PathPlanner *planner = prob.planner();
    planner->setMobilityName("OmniWheel");
    planner->setAlgorithmName("RRT");
    PathEngine::RRT *rrt = (PathEngine::RRT *)planner->getAlgorithm();
    rrt->extendFromGoal(true);
    planner->getAlgorithm()->setProperty("eps", "0.1");
    planner->getAlgorithm()->setProperty("max-trials", "50000");
    planner->getAlgorithm()->setProperty("interpolation-distance", "0.05");
    prob.initCollisionCheckPairs();
    prob.initPlanner();

    for (unsigned int i=0; i<obstacles.size(); i++) {
        Link *root = obstacles[i]->rootLink();
        root->p = obstacleP[i];
        root->R = rotFromRpy(obstacleRpy[i]);
        root->coldetModel->setPosition(root->R, root->p);
        obstacles[i]->calcForwardKinematics();
    }

    // set halfconf
    dvector halfconf;
    halfconf.setZero(robot->numJoints());
#define ToRad(x) ((x)*M_PI/180)
    halfconf[2] = halfconf[ 8] = ToRad(-40);
    halfconf[3] = halfconf[ 9] = ToRad( 78);
    halfconf[4] = halfconf[10] = ToRad(-38);
    double leg_link_len1=0, leg_link_len2=0;
    halfconf[16] = halfconf[23] = ToRad(20);
    halfconf[17] = ToRad(-10);
    halfconf[24] = -halfconf[17];
    halfconf[19] = halfconf[26] = ToRad(-30);
    if (robot->modelName() == "HRP2") {
        halfconf[20] = ToRad(80);
        halfconf[27] = -halfconf[20];
        halfconf[22] = halfconf[29] = -1.0;
    }
    leg_link_len1 = leg_link_len2 = 0.3;
    double waistHeight = leg_link_len1*cos(halfconf[2])
                         + leg_link_len2*cos(halfconf[4])
                         + 0.105;
    robot->rootLink()->p(2) = waistHeight;
    for (int i=0; i<robot->numJoints(); i++) {
        robot->joint(i)->q = halfconf[i];
    }
    robot->calcForwardKinematics();

    myCfgSetter setter(robot);

    PathEngine::Configuration startCfg;
    startCfg[0] = robot->rootLink()->p[2];
    startCfg[1] = startCfg[2] = startCfg[3] = 0;
    for (int j=0; j<2; j++) {
        for (int i=0; i<armPath[j]->numJoints(); i++) {
            startCfg[4+j*6+i] = armPath[j]->joint(i)->q;
        }
    }
    planner->setStartConfiguration(startCfg);
    planner->setGoalConfiguration(goalCfg);
    planner->setApplyConfigFunc(boost::bind(&myCfgSetter::set, &setter,
                                            _1, _2));
    planner->setConfiguration(startCfg);
    prob.updateOLV();
    planner->setConfiguration(goalCfg);
    prob.updateOLV();
#if 0
    int earm;
    ifs >> earm;
    while (!ifs.eof()) {
        PathEngine::Configuration cfg;
        for (unsigned int i=0; i<PathEngine::Configuration::size(); i++) {
            ifs >> cfg[i];
        }
        if (arm == earm) {
            rrt->addExtraGoal(cfg);
            std::cout << "added an extra goal" << std::endl;
            planner->setConfiguration(cfg);
            prob.updateOLV();
        }
        ifs >> earm;
    }
#endif

    CustomCD cd(robot, "hrp2.shape", "hrp2.pairs",
                obstacles[0], "plant.pc");
    prob.planner()->setCollisionDetector(&cd);

    struct timeval tv1, tv2;
    gettimeofday(&tv1, NULL);
    // plan
    bool ret = planner->calcPath();
    if (ret) {
        for (int i=0; i<5; i++) {
            planner->optimize("Shortcut");
            planner->optimize("RandomShortcut");
        }
    }
    gettimeofday(&tv2, NULL);
    if (ret) {
        const std::vector<PathEngine::Configuration>& postures
            = planner->getWayPoints();
        std::ofstream ofs("path.txt");
        ofs << arm << std::endl;
        for (unsigned int i=0; i<postures.size(); i++) {
            planner->setConfiguration(postures[i]);
            for (int j=0; j<3; j++) {
                ofs << robot->rootLink()->p[j] << " ";
            }
            for (int j=0; j<3; j++) {
                for (int k=0; k<3; k++) {
                    ofs << robot->rootLink()->R(j,k) << " ";
                }
            }
            for (int j=0; j<robot->numJoints(); j++) {
                ofs << robot->joint(j)->q << " ";
            }
            ofs << std::endl;
            prob.updateOLV();
        }
    } else {
        PathEngine::Roadmap *roadmap = planner->getRoadmap();
        for (unsigned int i=0; i<roadmap->nNodes(); i++) {
            PathEngine::RoadmapNode *node = roadmap->node(i);
            planner->setConfiguration(node->position());
            prob.updateOLV();
        }
    }
    double time = (tv2.tv_sec - tv1.tv_sec) + ((double)(tv2.tv_usec - tv1.tv_usec))/1e6;
    std::cout << "total time = " << time << "[s]" << std::endl;
    double cdtime = prob.planner()->timeCollisionCheck();
    std::cout << "time spent in collision detection:"
              << cdtime << "[s](" << cdtime/time*100 << "[%]), "
              << cdtime*1e3/prob.planner()->countCollisionCheck() << "[ms/call]" << std::endl;
    std::cout << "profile:";
    setter.profile();

    return 0;
}