Ejemplo n.º 1
0
bool EditableModelItemImpl::loadModelFile(const std::string& filename)
{
    BodyPtr newBody;

    MessageView* mv = MessageView::instance();
    mv->beginStdioRedirect();

    bodyLoader.setMessageSink(mv->cout(true));
    newBody = bodyLoader.load(filename);

    mv->endStdioRedirect();
    
    if(newBody){
        newBody->initializeState();
        newBody->calcForwardKinematics();
        Link* link = newBody->rootLink();
        
        AbstractBodyLoaderPtr loader = bodyLoader.lastActualBodyLoader();
        VRMLBodyLoader* vloader = dynamic_cast<VRMLBodyLoader*>(loader.get());
        if (vloader) {
            // VRMLBodyLoader supports retriveOriginalNode function
            setLinkTree(link, vloader);
        } else {
            // Other loaders dont, so we wrap with inline node
            VRMLProtoInstance* proto = new VRMLProtoInstance(new VRMLProto(""));
            MFNode* children = new MFNode();
            VRMLInlinePtr inl = new VRMLInline();
            inl->urls.push_back(filename);
            children->push_back(inl);
            proto->fields["children"] = *children;
            // first, create joint item
            JointItemPtr item = new JointItem(link);
            item->originalNode = proto;
            self->addChildItem(item);
            ItemTreeView::instance()->checkItem(item, true);
            // next, create link item under the joint item
            LinkItemPtr litem = new LinkItem(link);
            litem->originalNode = proto;
            litem->setName("link");
            item->addChildItem(litem);
            ItemTreeView::instance()->checkItem(litem, true);
        }
        for (int i = 0; i < newBody->numDevices(); i++) {
            Device* dev = newBody->device(i);
            SensorItemPtr sitem = new SensorItem(dev);
            Item* parent = self->findItem<Item>(dev->link()->name());
            if (parent) {
                parent->addChildItem(sitem);
                ItemTreeView::instance()->checkItem(sitem, true);
            }
        }
    }

    return (newBody);
}
Ejemplo n.º 2
0
int KinematicFaultCheckerImpl::checkFaults
(BodyItem* bodyItem, BodyMotionItem* motionItem, std::ostream& os,
 bool checkPosition, bool checkVelocity, bool checkCollision, dynamic_bitset<> linkSelection,
 double beginningTime, double endingTime)
{
    numFaults = 0;

    BodyPtr body = bodyItem->body();
    BodyMotionPtr motion = motionItem->motion();
    MultiValueSeqPtr qseq = motion->jointPosSeq();;
    MultiSE3SeqPtr pseq = motion->linkPosSeq();
    
    if((!checkPosition && !checkVelocity && !checkCollision) || body->isStaticModel() || !qseq->getNumFrames()){
        return numFaults;
    }

    BodyState orgKinematicState;
    
    if(USE_DUPLICATED_BODY){
        body = body->clone();
    } else {
        bodyItem->storeKinematicState(orgKinematicState);
    }

    CollisionDetectorPtr collisionDetector;
    WorldItem* worldItem = bodyItem->findOwnerItem<WorldItem>();
    if(worldItem){
        collisionDetector = worldItem->collisionDetector()->clone();
    } else {
        int index = CollisionDetector::factoryIndex("AISTCollisionDetector");
        if(index >= 0){
            collisionDetector = CollisionDetector::create(index);
        } else {
            collisionDetector = CollisionDetector::create(0);
            os << _("A collision detector is not found. Collisions cannot be detected this time.") << endl;
        }
    }

    addBodyToCollisionDetector(*body, *collisionDetector);
    collisionDetector->makeReady();

    const int numJoints = std::min(body->numJoints(), qseq->numParts());
    const int numLinks = std::min(body->numLinks(), pseq->numParts());

    frameRate = motion->frameRate();
    double stepRatio2 = 2.0 / frameRate;
    angleMargin = radian(angleMarginSpin.value());
    translationMargin = translationMarginSpin.value();
    velocityLimitRatio = velocityLimitRatioSpin.value() / 100.0;

    int beginningFrame = std::max(0, (int)(beginningTime * frameRate));
    int endingFrame = std::min((motion->numFrames() - 1), (int)lround(endingTime * frameRate));

    lastPosFaultFrames.clear();
    lastPosFaultFrames.resize(numJoints, std::numeric_limits<int>::min());
    lastVelFaultFrames.clear();
    lastVelFaultFrames.resize(numJoints, std::numeric_limits<int>::min());
    lastCollisionFrames.clear();

    if(checkCollision){
        Link* root = body->rootLink();
        root->p().setZero();
        root->R().setIdentity();
    }
        
    for(int frame = beginningFrame; frame <= endingFrame; ++frame){

        int prevFrame = (frame == beginningFrame) ? beginningFrame : frame - 1;
        int nextFrame = (frame == endingFrame) ? endingFrame : frame + 1;

        for(int i=0; i < numJoints; ++i){
            Link* joint = body->joint(i);
            double q = qseq->at(frame, i);
            joint->q() = q;
            if(joint->index() >= 0 && linkSelection[joint->index()]){
                if(checkPosition){
                    bool fault = false;
                    if(joint->isRotationalJoint()){
                        fault = (q > (joint->q_upper() - angleMargin) || q < (joint->q_lower() + angleMargin));
                    } else if(joint->isSlideJoint()){
                        fault = (q > (joint->q_upper() - translationMargin) || q < (joint->q_lower() + translationMargin));
                    }
                    if(fault){
                        putJointPositionFault(frame, joint, os);
                    }
                }
                if(checkVelocity){
                    double dq = (qseq->at(nextFrame, i) - qseq->at(prevFrame, i)) / stepRatio2;
                    joint->dq() = dq;
                    if(dq > (joint->dq_upper() * velocityLimitRatio) || dq < (joint->dq_lower() * velocityLimitRatio)){
                        putJointVelocityFault(frame, joint, os);
                    }
                }
            }
        }

        if(checkCollision){

            Link* link = body->link(0);
            if(!pseq->empty())
            {
                const SE3& p = pseq->at(frame, 0);
                link->p() = p.translation();
                link->R() = p.rotation().toRotationMatrix();
            }
            else
            {
                link->p() = Vector3d(0., 0., 0.);
                link->R() = Matrix3d::Identity();
            }

            body->calcForwardKinematics();

            for(int i=1; i < numLinks; ++i){
                link = body->link(i);
                if(!pseq->empty())
                {
                    const SE3& p = pseq->at(frame, i);
                    link->p() = p.translation();
                    link->R() = p.rotation().toRotationMatrix();
                }
            }

            for(int i=0; i < numLinks; ++i){
                link = body->link(i);
                collisionDetector->updatePosition(i, link->position());
            }
            collisionDetector->detectCollisions(
                boost::bind(&KinematicFaultCheckerImpl::putSelfCollision, this, body.get(), frame, _1, boost::ref(os)));
        }
    }

    if(!USE_DUPLICATED_BODY){
        bodyItem->restoreKinematicState(orgKinematicState);
    }

    return numFaults;
}
Ejemplo n.º 3
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;
}
Ejemplo n.º 4
0
int main(int argc, char *argv[])
{
    OnlineViewer_var olv;
    olv = hrp::getOnlineViewer(argc, argv);
    olv->load("robot", url);
    olv->clearLog();

    BodyPtr body = BodyPtr(new Body());
    loadBodyFromModelLoader(body, url, argc, argv, true);
    body->setName("robot");
    convertToConvexHull(body);

    WorldState wstate;
    wstate.time = 0.0;
    wstate.characterPositions.length(1);
    setupCharacterPosition(wstate.characterPositions[0], body);
    wstate.collisions.length(3);

    // ワイヤの固定部
    std::vector<Anchor> anchors;
    anchors.push_back(Anchor(body->link("CHEST_Y"), Vector3(-0.03, 0.1,0.35)));
    anchors.push_back(Anchor(body->link("R_HIP_P"), Vector3(-0.08,0,-0.2)));
    anchors.push_back(Anchor(body->link("CHEST_Y"), Vector3(-0.03,-0.1,0.35)));
    anchors.push_back(Anchor(body->link("L_HIP_P"), Vector3(-0.08,0,-0.2)));

    wstate.collisions.length(anchors.size()+1);
    for (size_t i=1; i<wstate.collisions.length(); i++){
        setupFrame(wstate.collisions[i], 0.05);
    }

    // ワイヤと接触するリンクセットその1
    std::vector<Link *> linkset1;
    linkset1.push_back(body->link("CHEST_Y"));
    linkset1.push_back(body->link("WAIST"));
    linkset1.push_back(body->link("R_HIP_P"));

    // ワイヤと接触するリンクセットその2
    std::vector<Link *> linkset2;
    linkset2.push_back(body->link("CHEST_Y"));
    linkset2.push_back(body->link("WAIST"));
    linkset2.push_back(body->link("L_HIP_P"));

    // ワイヤ(両端点及びリンクセット)の定義
    std::vector<String> strings;
    strings.push_back(String(&anchors[0], &anchors[1], linkset1));
    strings.push_back(String(&anchors[2], &anchors[3], linkset2));


    std::ifstream ifs(logfile);
    if (!ifs.is_open()){
        std::cerr << "failed to open the log file:" << logfile << std::endl;
        return 1;
    }
    char buf[1024];
    ifs.getline(buf, 1024); // skip header
    double q;

    while(1){
        for (int i=0; i<body->numJoints(); i++){
            ifs >> q;
            if (ifs.eof()) return 0;
            Link *j = body->joint(i);
            if (j) j->q = q;
        }
        ifs.getline(buf, 1024); // skip rest of the line
        body->calcForwardKinematics();

        for (size_t i=0; i<strings.size(); i++){ 
            if (!strings[i].update()){
                std::cerr << "failed to update string state" << std::endl;
            }
        }
        // update body
        updateCharacterPosition(wstate.characterPositions[0], body);
        // update anchors
        for (size_t i=0; i<anchors.size(); i++){
            updateFrame(wstate.collisions[i+1], 
                        anchors[i].position(), Matrix33::Identity());
        }
        // update strings
        size_t n=0, index=0;
        for (size_t i=0; i<strings.size(); i++){
            n += strings[i].polyLine.lines.size();
        }
        wstate.collisions[0].points.length(n);
        for (size_t i=0; i<strings.size(); i++){
            const std::vector<LineSegment>& lines = strings[i].polyLine.lines;
            for (size_t i=0; i<lines.size(); i++){
                updateLineSegment(wstate.collisions[0].points[index++],
                                  lines[i].first, lines[i].second);
            }
        }
        olv->update(wstate);
        wstate.time += 0.005;
        std::cout << wstate.time << " ";
        for (size_t i=0; i<strings.size(); i++){
            std::cout << strings[i].length() << " ";
        }
        std::cout << std::endl;
    }
    return 0;
}
bool PoseProviderToBodyMotionConverter::convert(BodyPtr body, PoseProvider* provider, BodyMotion& motion)
{
    const double frameRate = motion.frameRate();
    const int beginningFrame = static_cast<int>(frameRate * std::max(provider->beginningTime(), lowerTime));
    const int endingFrame = static_cast<int>(frameRate * std::min(provider->endingTime(), upperTime));
    const int numJoints = body->numJoints();
    const int numLinksToPut = (allLinkPositionOutputMode ? body->numLinks() : 1);
    
    motion.setDimension(endingFrame + 1, numJoints, numLinksToPut, true);

    MultiValueSeq& qseq = *motion.jointPosSeq();
    MultiAffine3Seq& pseq = *motion.linkPosSeq();
    Vector3Seq& relZmpSeq = *motion.relativeZmpSeq();
    bool isZmpValid = false;

    Link* rootLink = body->rootLink();
    Link* baseLink = rootLink;

    shared_ptr<LinkTraverse> fkTraverse;
    if(allLinkPositionOutputMode){
        fkTraverse.reset(new LinkTraverse(baseLink, true, true));
    } else {
        fkTraverse.reset(new LinkPath(baseLink, rootLink));
    }

    // store the original state
    vector<double> orgq(numJoints);
    for(int i=0; i < numJoints; ++i){
        orgq[i] = body->joint(i)->q;
    }
    Affine3 orgp;
    orgp.translation() = rootLink->p;
    orgp.linear() = rootLink->R;

    std::vector< boost::optional<double> > jointPositions(numJoints);

    for(int frame = beginningFrame; frame <= endingFrame; ++frame){

        provider->seek(frame / frameRate);

        const int baseLinkIndex = provider->baseLinkIndex();
        if(baseLinkIndex >= 0){
            if(baseLinkIndex != baseLink->index){
                baseLink = body->link(baseLinkIndex);
                if(allLinkPositionOutputMode){
                    fkTraverse->find(baseLink, true, true);
                } else {
                    static_pointer_cast<LinkPath>(fkTraverse)->find(baseLink, rootLink);
                }
            }
            provider->getBaseLinkPosition(baseLink->p, baseLink->R);
        }

        MultiValueSeq::View qs = qseq.frame(frame);
        provider->getJointPositions(jointPositions);
        for(int i=0; i < numJoints; ++i){
            const optional<double>& q = jointPositions[i];
            qs[i] = q ? *q : 0.0;
            body->joint(i)->q = qs[i];
        }

        if(allLinkPositionOutputMode || baseLink != rootLink){
            fkTraverse->calcForwardKinematics();
        }

        for(int i=0; i < numLinksToPut; ++i){
            Affine3& p = pseq.at(frame, i);
            Link* link = body->link(i);
            p.translation() = link->p;
            p.linear() = link->R;
        }

        optional<Vector3> zmp = provider->zmp();
        if(zmp){
            relZmpSeq[frame].noalias() = rootLink->R.transpose() * (*zmp - rootLink->p);
            isZmpValid = true;
        }

    }

    if(!isZmpValid){
        //bodyMotionItem->clearRelativeZmpSeq();
    }

    // restore the original state
    for(int i=0; i < numJoints; ++i){
        body->joint(i)->q = orgq[i];
    }
    rootLink->p = orgp.translation();
    rootLink->R = orgp.linear();
    body->calcForwardKinematics();

    return true;
}