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);
}
void BodyState::set(BodyPtr i_body)
{
Link *root = i_body->rootLink();
p = root->p;
R = root->R;
q.resize(i_body->numJoints());
for (int i=0; i<i_body->numJoints(); i++){
Link *joint = i_body->joint(i);
if (joint){
q[i] = joint->q;
}
}
}
void MeshShapeItemImpl::onUpdated()
{
sceneLink->translation() = self->absTranslation;
sceneLink->rotation() = self->absRotation;
if (path != ""){
if (shape) {
sceneLink->removeChild(shape);
shape = NULL;
}
BodyLoader bodyLoader;
BodyPtr newBody = bodyLoader.load(path);
if (!newBody) return;
shape = newBody->rootLink()->visualShape();
sceneLink->addChildOnce(shape);
sceneLink->notifyUpdate();
}
}
void BodyLinkViewImpl::update()
{
currentLink = 0;
if(!currentBodyItem){
nameLabel.setText("");
return;
}
propertyWidgetConnections.block();
stateWidgetConnections.block();
BodyPtr body = currentBodyItem->body();
const vector<int>& selectedLinkIndices =
LinkSelectionView::mainInstance()->getSelectedLinkIndices(currentBodyItem);
if(selectedLinkIndices.empty()){
currentLink = body->rootLink();
} else {
currentLink = body->link(selectedLinkIndices.front());
}
if(currentLink){
nameLabel.setText(QString("%1 / %2").arg(body->name().c_str()).arg(currentLink->name().c_str()));
updateLink();
} else {
nameLabel.setText(body->name().c_str());
}
if(currentBodyItem->isLeggedBody()){
zmpBox.show();
} else {
zmpBox.hide();
}
updateKinematicState(false);
updateCollisions();
stateWidgetConnections.unblock();
propertyWidgetConnections.unblock();
}
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;
}
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;
}
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;
}
/**
@brief compute CoM Jacobian
@param base link fixed to the environment
@param J CoM Jacobian
@note Link::wc must be computed by calcCM() before calling
*/
void calcCMJacobian(const BodyPtr& body, Link* base, Eigen::MatrixXd& J)
{
// prepare subm, submwc
const int nj = body->numJoints();
vector<SubMass> subMasses(body->numLinks());
Link* rootLink = body->rootLink();
JointPath path;
if(!base) {
calcSubMass(rootLink, subMasses);
J.resize(3, nj + 6);
} else {
path.setPath(rootLink, base);
Link* skip = path.joint(0);
SubMass& sub = subMasses[skip->index()];
sub.m = rootLink->m();
sub.mwc = rootLink->m() * rootLink->wc();
for(Link* child = rootLink->child(); child; child = child->sibling()) {
if(child != skip) {
calcSubMass(child, subMasses);
subMasses[skip->index()] += subMasses[child->index()];
}
}
// assuming there is no branch between base and root
for(int i=1; i < path.numJoints(); i++) {
Link* joint = path.joint(i);
const Link* parent = joint->parent();
SubMass& sub = subMasses[joint->index()];
sub.m = parent->m();
sub.mwc = parent->m() * parent->wc();
sub += subMasses[parent->index()];
}
J.resize(3, nj);
}
// compute Jacobian
std::vector<int> sgn(nj, 1);
for(int i=0; i < path.numJoints(); i++) {
sgn[path.joint(i)->jointId()] = -1;
}
for(int i=0; i < nj; i++) {
Link* joint = body->joint(i);
if(joint->isRotationalJoint()) {
const Vector3 omega = sgn[joint->jointId()] * joint->R() * joint->a();
const SubMass& sub = subMasses[joint->index()];
const Vector3 arm = (sub.mwc - sub.m * joint->p()) / body->mass();
const Vector3 dp = omega.cross(arm);
J.col(joint->jointId()) = dp;
} else {
std::cerr << "calcCMJacobian() : unsupported jointType("
<< joint->jointType() << std::endl;
}
}
if(!base) {
const int c = nj;
J.block(0, c, 3, 3).setIdentity();
const Vector3 dp = subMasses[0].mwc / body->mass() - rootLink->p();
J.block(0, c + 3, 3, 3) <<
0.0, dp(2), -dp(1),
-dp(2), 0.0, dp(0),
dp(1), -dp(0), 0.0;
}
}