示例#1
0
void update(int value)
{
    frameTimer.start();
// Read the experiment from file, if the file is finished exit suddenly
    if ( inputStream.eof() )
    {   exit(0);
    }

    if ( isReading )
    {   // This reads a line (frame) in inputStream
        readline(inputStream, trialNumber,  headCalibration,  trialMode, pointMatrix );
        headEyeCoords.update(pointMatrix.col(0),pointMatrix.col(1),pointMatrix.col(2));
        Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();
        eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );

        eyeLeft = headEyeCoords.getLeftEye();
        eyeRight= headEyeCoords.getRightEye();
        //cerr << eyeRight.transpose() << endl;
        cyclopeanEye = (eyeLeft+eyeRight)/2.0;

        if ( trialMode == STIMULUSMODE )
            stimulusFrames++;
        if ( trialMode == FIXATIONMODE )
            stimulusFrames=0;

        // Projection of view normal on the focal plane
        Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
        Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );

        double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);

        //double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
        projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
        // second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
        lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
        Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
        projPointEyeRight=secondProjection ;

        // Compute the translation to move the eye in order to avoid share components
        Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);
        // GENERATION OF PASSIVE MODE.
        // HERE WE MOVE THE SCREEN TO FACE THE OBSERVER's EYE
        if ( passiveMode )
        {   initProjectionScreen(0, headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));
        }
        else
            initProjectionScreen(focalDistance, Affine3d::Identity());

        if ( trialMode == STIMULUSMODE )
        {
            // IMPORTANT Reset the previous status of transformations
            objectActiveTransformation[0].setIdentity();
            objectActiveTransformation[1].setIdentity();
            // PLANE 0 Transformation QUELLO CHE STA SOTTO
            alpha = atan( eyeRight.x()/abs(projPointEyeRight.z()) );
            if ( overallTilt )
            {
                instantPlaneSlant = alphaMultiplier*alpha+toRadians(-factors.at("DeltaSlant")-factors.at("StillPlaneSlant"));
                AngleAxis<double> aa0( instantPlaneSlant,Vector3d::UnitY());
                objectActiveTransformation[0]*=aa0;
                double planesYOffset = factors.at("PlanesCentersYDistance")*(whichPlaneDrawUp ? 1 : -1);
                objectActiveTransformation[0].translation() = Vector3d(0,planesYOffset,focalDistance);

                // PLANE 1 Transformation QUELLO CHE STA SOPRA
                AngleAxis<double> aa1(-toRadians(factors.at("StillPlaneSlant")),Vector3d::UnitY());
                objectActiveTransformation[1]*=aa1;
                objectActiveTransformation[1].translation() = Vector3d(0,-planesYOffset,focalDistance);
            }
            else
            {
                instantPlaneSlant = alphaMultiplier*alpha+toRadians(factors.at("DeltaSlant")+factors.at("StillPlaneSlant"));
                AngleAxis<double> aa0( instantPlaneSlant,Vector3d::UnitY());
                objectActiveTransformation[0]*=aa0;
                double planesYOffset = factors.at("PlanesCentersYDistance")*(whichPlaneDrawUp ? 1 : -1);
                objectActiveTransformation[0].translation() = Vector3d(0,planesYOffset,focalDistance);

                // PLANE 1 Transformation QUELLO CHE STA SOPRA
                AngleAxis<double> aa1(toRadians(factors.at("StillPlaneSlant")),Vector3d::UnitY());
                objectActiveTransformation[1]*=aa1;
                objectActiveTransformation[1].translation() = Vector3d(0,-planesYOffset,focalDistance);
            }

            objectPassiveTransformation[0] = ( cam.getModelViewMatrix()*objectActiveTransformation[0] );
            objectPassiveTransformation[1] = ( cam.getModelViewMatrix()*objectActiveTransformation[1] );

            //cout << toDegrees(instantPlaneSlant) << endl;

            // **************** COMPUTE THE OPTIC FLOWS **************************
            // 1) Project the points to screen by computing their coordinates on focalPlane in passive (quite complicate, see the specific method)
            // *********** FOR THE MOVING PLANE *************
            vector<Vector3d> projPointsMovingPlane = stimDrawer[0].projectStimulusPoints(objectActiveTransformation[0],headEyeCoords.getRigidStart().getFullTransformation(),cam,focalDistance, screen, eyeCalibration,passiveMode,false);

            // 2) Get the angles formed by stimulus and observer
            // updating with the latest values
            Vector3d oldAlphaMoving = flowsAnglesAlphaMoving,oldBetaMoving=flowsAnglesBetaMoving;
            // alpha is the "pitch" angle, beta is the "yaw" angle
            // Here me must use the points 4,5,8 of the stimulus
            flowsAnglesAlphaMoving(0)  =  ( atan2(projPointsMovingPlane[4].x(), abs(focalDistance) ) );
            flowsAnglesAlphaMoving(1)  =  ( atan2(projPointsMovingPlane[5].x(), abs(focalDistance) ) );
            flowsAnglesAlphaMoving(2)  =  ( atan2(projPointsMovingPlane[8].x(), abs(focalDistance) ) );

            flowsAnglesBetaMoving(0)      =  ( atan2(projPointsMovingPlane[4].y(), abs(focalDistance) ) );
            flowsAnglesBetaMoving(1)      =  ( atan2(projPointsMovingPlane[5].y(), abs(focalDistance) ) );
            flowsAnglesBetaMoving(2)      =  ( atan2(projPointsMovingPlane[8].y(), abs(focalDistance) ) );

            // 3) Fill the matrix of derivatives
            MatrixXd angVelocitiesMoving(6,1);
            angVelocitiesMoving(0) = flowsAnglesAlphaMoving(0)-oldAlphaMoving(0);
            angVelocitiesMoving(1) = flowsAnglesBetaMoving(0)-oldBetaMoving(0);
            angVelocitiesMoving(2) = flowsAnglesAlphaMoving(1)-oldAlphaMoving(1);
            angVelocitiesMoving(3) = flowsAnglesBetaMoving(1)-oldBetaMoving(1);
            angVelocitiesMoving(4) = flowsAnglesAlphaMoving(2)-oldAlphaMoving(2);
            angVelocitiesMoving(5) = flowsAnglesBetaMoving(2)-oldBetaMoving(2);
            angVelocitiesMoving /= ((double)TIMER_MS/(double)1000);

            // 4) Fill the coefficient matrix, to solve the linear system
            MatrixXd coeffMatrixMoving(6,6);
            coeffMatrixMoving <<
                              1, flowsAnglesAlphaMoving(0),   flowsAnglesBetaMoving(0), 0, 0, 0,
                                 0, 0,    0,    1,flowsAnglesAlphaMoving(0),flowsAnglesBetaMoving(0),
                                 1, flowsAnglesAlphaMoving(1),   flowsAnglesBetaMoving(1), 0, 0, 0,
                                 0, 0,    0,    1,flowsAnglesAlphaMoving(1),flowsAnglesBetaMoving(1),
                                 1, flowsAnglesAlphaMoving(2),   flowsAnglesBetaMoving(2), 0, 0, 0,
                                 0, 0,    0,    1,flowsAnglesAlphaMoving(2),flowsAnglesBetaMoving(2)
                                 ;
            // 5) Solve the linear system by robust fullPivHouseholderQR decomposition (see Eigen for details http://eigen.tuxfamily.org/dox/TutorialLinearAlgebra.html )
            MatrixXd velocitiesMoving = coeffMatrixMoving.colPivHouseholderQr().solve(angVelocitiesMoving);
            // 6) Write the output to file flowsFileMoving
            flowsFileMoving << fixed << trialNumber << "\t" <<  //1
                            stimulusFrames << " " <<
                            factors.at("DeltaSlant")<< " " <<
                            factors.at("StillPlaneSlant") << " " <<
                            overallTilt << " " <<
                            projPointsMovingPlane[4].transpose() << " " <<
                            projPointsMovingPlane[5].transpose() << " " <<
                            projPointsMovingPlane[8].transpose() << " " <<
                            angVelocitiesMoving.transpose() << " " <<
                            velocitiesMoving.transpose() << endl;

            // ********************* FLOWS FOR THE STILL PLANE **************
            // Here we must repeat the same things for the still plane
            vector<Vector3d> projPointsStillPlane = stimDrawer[1].projectStimulusPoints(objectActiveTransformation[1],headEyeCoords.getRigidStart().getFullTransformation(),cam,focalDistance, screen, eyeCalibration,passiveMode,false);

            // 2) Get the angles formed by stimulus and observer
            // updating with the latest values
            Vector3d oldAlphaStill = flowsAnglesAlphaStill,oldBetaStill=flowsAnglesBetaStill;
            // alpha is the "pitch" angle, beta is the "yaw" angle
            // Here me must use the points 4,5,8 of the stimulus
            flowsAnglesAlphaStill(0)  =  ( atan2(projPointsStillPlane[4].x(), abs(focalDistance) ) );
            flowsAnglesAlphaStill(1)  =  ( atan2(projPointsStillPlane[5].x(), abs(focalDistance) ) );
            flowsAnglesAlphaStill(2)  =  ( atan2(projPointsStillPlane[8].x(), abs(focalDistance) ) );

            flowsAnglesBetaStill(0)      =  ( atan2(projPointsStillPlane[4].y(), abs(focalDistance) ) );
            flowsAnglesBetaStill(1)      =  ( atan2(projPointsStillPlane[5].y(), abs(focalDistance) ) );
            flowsAnglesBetaStill(2)      =  ( atan2(projPointsStillPlane[8].y(), abs(focalDistance) ) );

            // 3) Fill the matrix of derivatives
            MatrixXd angVelocitiesStill(6,1);
            angVelocitiesStill(0) = flowsAnglesAlphaStill(0)-oldAlphaStill(0);
            angVelocitiesStill(1) = flowsAnglesBetaStill(0)-oldBetaStill(0);
            angVelocitiesStill(2) = flowsAnglesAlphaStill(1)-oldAlphaStill(1);
            angVelocitiesStill(3) = flowsAnglesBetaStill(1)-oldBetaStill(1);
            angVelocitiesStill(4) = flowsAnglesAlphaStill(2)-oldAlphaStill(2);
            angVelocitiesStill(5) = flowsAnglesBetaStill(2)-oldBetaStill(2);
            angVelocitiesStill /= ((double)TIMER_MS/(double)1000);

            // 4) Fill the coefficient matrix, to solve the linear system
            MatrixXd coeffMatrixStill(6,6);
            coeffMatrixStill <<
                             1, flowsAnglesAlphaStill(0),   flowsAnglesBetaStill(0), 0, 0, 0,
                                0, 0,    0,    1,flowsAnglesAlphaStill(0),flowsAnglesBetaStill(0),
                                1, flowsAnglesAlphaStill(1),   flowsAnglesBetaStill(1), 0, 0, 0,
                                0, 0,    0,    1,flowsAnglesAlphaStill(1),flowsAnglesBetaStill(1),
                                1, flowsAnglesAlphaStill(2),   flowsAnglesBetaStill(2), 0, 0, 0,
                                0, 0,    0,    1,flowsAnglesAlphaStill(2),flowsAnglesBetaStill(2)
                                ;
            // 5) Solve the linear system by robust fullPivHouseholderQR decomposition (see Eigen for details http://eigen.tuxfamily.org/dox/TutorialLinearAlgebra.html )
            MatrixXd velocitiesStill = coeffMatrixStill.colPivHouseholderQr().solve(angVelocitiesStill);
            // 6) Write the output to file flowsFileStill
            flowsFileStill << fixed << trialNumber << "\t" <<  // 1
                           stimulusFrames << " " <<	// 2
                           factors.at("DeltaSlant")<< " " << // 3
                           factors.at("StillPlaneSlant") << " " << // 4
                           overallTilt << " " <<
                           projPointsStillPlane[4].transpose() << " " << // 5,6,7
                           projPointsStillPlane[5].transpose() << " " << // 8,9,10
                           projPointsStillPlane[8].transpose() << " " << // 11,12,13
                           angVelocitiesStill.transpose() << " " << // 14, 15, 16, 17, 18, 19
                           velocitiesStill.transpose() << endl;	// 20, 21, 22, 23, 24, 25
            // **************** END OF OPTIC FLOWS COMPUTATION
        }
        /*
        ofstream outputfile;
        outputfile.open("data.dat");
        outputfile << "Subject Name: " << parameters.find("SubjectName") << endl;
        outputfile << "Passive matrix:" << endl << objectPassiveTransformation.matrix() << endl;
        outputfile << "Yaw: " << toDegrees(eulerAngles.getYaw()) << endl <<"Pitch: " << toDegrees(eulerAngles.getPitch()) << endl;
        outputfile << "EyeLeft: " <<  headEyeCoords.getLeftEye().transpose() << endl;
        outputfile << "EyeRight: " << headEyeCoords.getRightEye().transpose() << endl << endl;
        outputfile << "Factors:" << endl;
        for (map<string,double>::iterator iter=factors.begin(); iter!=factors.end(); ++iter)
        {   outputfile << "\t\t" << iter->first << "= " << iter->second << endl;
        }
        */

    }

    if ( trialMode == PROBEMODE )
        isReading=false;

    glutPostRedisplay();
    glutTimerFunc(TIMER_MS, update, 0);
}
示例#2
0
void update(int value)
{
    // Conta i cicli di presentazione dello stimolo
    if ( (sumOutside > str2num<int>(parameters.find("StimulusCycles")) ) &&  (trialMode == STIMULUSMODE) )
    {
        sumOutside=0;
        trialMode++;
        trialMode=trialMode%4;
    }

    if (conditionInside && (sumOutside*2 > str2num<int>(parameters.find("FixationCycles"))) && (trialMode ==FIXATIONMODE )  )
    {
        sumOutside=0;
        trialMode++;
        trialMode=trialMode%4;
        stimulusDuration.start();
    }
    if ( trialMode == STIMULUSMODE )
        stimulusFrames++;
    if ( trialMode == FIXATIONMODE )
        stimulusFrames=0;

    Screen screenPassive;

    screenPassive.setWidthHeight(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH);
    screenPassive.setOffset(alignmentX,alignmentY);
    screenPassive.setFocalDistance(0);
    screenPassive.transform(headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));

    camPassive.init(screenPassive);
    camPassive.setDrySimulation(true);
    camPassive.setEye(eyeRight);
    objectPassiveTransformation = ( camPassive.getModelViewMatrix()*objectActiveTransformation );
    // Coordinates picker
    markers = optotrak.getAllPoints();
    if ( isVisible(markers[1]) && isVisible(markers[2]) && isVisible(markers[3]) )
        headEyeCoords.update(markers[1],markers[2],markers[3]);
    Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();

    eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );

    eyeLeft = headEyeCoords.getLeftEye();
    eyeRight = headEyeCoords.getRightEye();

    cyclopeanEye = (eyeLeft+eyeRight)/2.0;

    // Projection of view normal on the focal plane
    Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
    Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );
    Eigen::ParametrizedLine<double,3> lineOfSightLeft  = Eigen::ParametrizedLine<double,3>::Through( eyeLeft, eyeLeft+directionOfSight );

    double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);
    double lineOfSightLeftDistanceToFocalPlane = lineOfSightLeft.intersection(focalPlane);

    //double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
    projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
    projPointEyeLeft= lineOfSightLeftDistanceToFocalPlane * (directionOfSight) + (eyeLeft);
    // second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
    lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
    Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);

    if ( !zOnFocalPlane )
        projPointEyeRight=secondProjection ;

    // Compute the translation to move the eye in order to avoid shear components
    Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);

    switch ( (int)factors["Translation"] )
    {
    case -1:
    case -2:
        translationFactor.setZero();
        if ( trialMode == STIMULUSMODE )
            projPointEyeRight=center;
        break;
    case 0:
        translationFactor.setZero();
        break;
    case 1:
        translationFactor = factors["TranslationConstant"]*Vector3d(posAlongLineOfSight.z(),0,0);
        break;
    case 2:
        translationFactor = factors["TranslationConstant"]*Vector3d(0,posAlongLineOfSight.z(),0);
        break;
    }
    if ( passiveMode )
        initProjectionScreen(0,headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(Vector3d(0,0,focalDistance)));
    else
        initProjectionScreen(focalDistance,Affine3d::Identity());

    checkBounds();
    /**** Save to file part ****/
    // Markers file save the used markers and time-depending experimental variable to a file
    // (Make sure that in passive experiment the list of variables has the same order)
    markersFile << trialNumber << " " << headCalibrationDone << " " << trialMode << " " ;
    markersFile <<markers[1].transpose() << " " << markers[2].transpose() << " " << markers[3].transpose() << " " << markers[17].transpose() << " " << markers[18].transpose() << " " ;

    markersFile <<	factors["Tilt"] << " " <<
                factors["Slant"] << " " <<
                factors["Translation"] << " " <<
                factors["Onset"] << " " <<
                factors["TranslationConstant"] <<
                endl;

    ofstream outputfile;
    outputfile.open("data.dat");
    outputfile << "Subject Name: " << parameters.find("SubjectName") << endl;
    outputfile << "Passive matrix:" << endl << objectPassiveTransformation.matrix() << endl;
    outputfile << "Yaw: " << toDegrees(eulerAngles.getYaw()) << endl <<"Pitch: " << toDegrees(eulerAngles.getPitch()) << endl;
    outputfile << "EyeLeft: " <<  headEyeCoords.getLeftEye().transpose() << endl;
    outputfile << "EyeRight: " << headEyeCoords.getRightEye().transpose() << endl << endl;
    outputfile << "Slant: " << instantPlaneSlant << endl;
    outputfile << "(Width,Height) [px]: " << getPlaneDimensions().transpose() << " " << endl;
    outputfile << "Factors:" << endl;
    for (map<string,double>::iterator iter=factors.begin(); iter!=factors.end(); ++iter)
    {
        outputfile << "\t\t" << iter->first << "= " << iter->second << endl;
    }
    outputfile << "Trial remaining: " << trial.getRemainingTrials()+1 << endl;
    outputfile << "Last response: " << probeAngle << endl;
    // Here we save plane projected width and height


    // now rewind the file
    outputfile.clear();
    outputfile.seekp(0,ios::beg);

    // Write down frame by frame the trajectories and angles of eyes and head
    if ( trialMode == STIMULUSMODE && headCalibrationDone > 2 )
    {
        trajFile << setw(6) << left <<
                 trialNumber << " " <<
                 stimulusFrames << " " <<
                 eyeRight.transpose() << endl;

        anglesFile << setw(6) << left <<
                   trialNumber << " " <<
                   stimulusFrames << " " <<
                   toDegrees(eulerAngles.getPitch()) << " " <<
                   toDegrees(eulerAngles.getRoll()) << " " <<
                   toDegrees(eulerAngles.getYaw()) << " " <<
                   instantPlaneSlant << endl;

        matrixFile << setw(6) << left <<
                   trialNumber << " " <<
                   stimulusFrames << " " ;
        for (int i=0; i<3; i++)
            matrixFile << objectPassiveTransformation.matrix().row(i) << " " ;
        matrixFile << endl;

        // Write the 13 special extremal points on stimFile
        stimFile << setw(6) << left <<
                 trialNumber << " " <<
                 stimulusFrames << " " ;
        double winx=0,winy=0,winz=0;

        for (PointsRandIterator iRand = redDotsPlane.specialPointsRand.begin(); iRand!=redDotsPlane.specialPointsRand.end(); ++iRand)
        {   Point3D *p=(*iRand);
            Vector3d v = objectActiveTransformation*Vector3d( p->x, p->y, p->z);

            gluProject(v.x(),v.y(),v.z(), (&cam)->getModelViewMatrix().data(), (&cam)->getProjectiveMatrix().data(), (&cam)->getViewport().data(), &winx,&winy,&winz);
            stimFile << winx << " " << winy << " " << winz << " ";
        }
        stimFile << endl;
    }

    glutPostRedisplay();
    glutTimerFunc(TIMER_MS, update, 0);
}
示例#3
0
void idle()
{   // Set the time during which the stimulus is drawn, it depents on the phase (adaption or test)
    double drawStimTime = 0;
    if ( block.at("Phase") == 1 )
        drawStimTime = str2num<double>(parameters.find("AdaptStimulusDuration"));
    else
        drawStimTime = str2num<double>(parameters.find("TestStimulusDuration"));
    double deltaT = (double)TIMER_MS;
    optotrak->updateMarkers(deltaT);
    markers = optotrak->getAllMarkers();
    // Coordinates picker
    allVisiblePlatform = isVisible(markers.at(15).p) && isVisible(markers.at(16).p);
    allVisibleThumb = isVisible(markers.at(11).p) && isVisible(markers.at(12).p) && isVisible(markers.at(13).p);
    allVisibleIndex = isVisible(markers.at(7).p) && isVisible(markers.at(8).p) && isVisible(markers.at(9).p);
    allVisibleFingers = allVisibleThumb && allVisibleIndex;

    allVisiblePatch = isVisible(markers.at(1).p) && isVisible(markers.at(2).p) && isVisible(markers.at(3).p);
    allVisibleHead = allVisiblePatch && isVisible(markers.at(17).p) && isVisible(markers.at(18).p);

    //if ( allVisiblePatch )
    headEyeCoords.update(markers.at(1).p,markers.at(2).p,markers.at(3).p,deltaT);
// update thumb coordinates
    thumbCoords.update(markers.at(11).p,markers.at(12).p,markers.at(13).p,deltaT);
// update index coordinates
    indexCoords.update(markers.at(7).p, markers.at(8).p, markers.at(9).p,deltaT);

    eyeLeft = headEyeCoords.getLeftEye().p;
    eyeRight = headEyeCoords.getRightEye().p;

    checkBounds();
    indexInside[1]=indexInside[0];

    // Controlla i frames occlusi, se il dito di test è fuori dalla sfera
    // ed ha superato una percentuale di tempo maggiore di
    // TestPercentOccludedFrames rispetto al tempo di presentazione dello
    // stimolo allora fa un beep

    if ( headCalibrationDone==3 && fingerCalibrationDone==3 && !indexInside[0] && (int) block.at("Phase")!=1 && isDrawing )
    {
        bool visibleFinger=true;
        switch ( str2num<int>(parameters.find("TestFinger")) )
        {
        case 0:
            visibleFinger=isVisible(thumbCoords.getP1().p);
            break;
        case 1:
            visibleFinger=isVisible(indexCoords.getP1().p);
            break;
        case 2:
            visibleFinger=isVisible(thumbCoords.getP1().p) && isVisible(indexCoords.getP1().p);
            break;
        }
        // XXX scommentare per far si che anche il polso venga controllato per missing frames
        //visibleFinger = visibleFinger && isVisible(markers.at(6).p);
        if ( !visibleFinger )
        {   occludedFrames++;
            if ( str2num<int>(parameters.find("AudioFeedback") ) )
                boost::thread invisibleBeep( beepInvisible);
        }
        trialOk=true;	// mentre disegna lo stimolo
    }
    // Qui durante la fase di delay dopo la scomparsa dello stimolo controlla che il numero
    // di frames occlusi non abbia superato il limite consentito
    if ( isDrawing==0 && headCalibrationDone==3 && (block.at("Phase")!=1) && !indexInside[0] )
    {
        double percentOccludedFrames = ((double)occludedFrames/(double)drawingTrialFrame )*100.0;
        trialOk=(percentOccludedFrames < str2num<double>(parameters.find("TestPercentOccludedFrames")));
    }
    // Calcola le coordinate delle dita offsettate durante la fase di adattamento
    if ( block.at("Phase") == 1 )
    {   double fingerOffset =   adaptOffsets.at(block1TrialNumber) ;
        switch ( str2num<int>(parameters.find("AdaptFinger")) )
        {
        case 0:  //index
            visualThumb = thumbCoords.getP1().p +  Vector3d(0,0,fingerOffset);
            break;
        case 1:  //thumb
            visualIndex = indexCoords.getP1().p +  Vector3d(0,0,fingerOffset);
            break;
        case 2:
        {   visualThumb = thumbCoords.getP1().p +  Vector3d(0,0,fingerOffset);
            visualIndex = indexCoords.getP1().p +  Vector3d(0,0,fingerOffset);
        }
        break;
        }
        drawingTrialFrame=0;
        occludedFrames=0;
    }
    if ( headCalibrationDone==3 && fingerCalibrationDone==3 && trialMode==STIMULUSMODE )
    {
        if ( globalTimer.getElapsedTimeInMilliSec() <= drawStimTime )
        {   isDrawing=1;
            delayedTimer.start();
        }
        else
        {   // non disegna nulla
            if ( delayedTimer.getElapsedTimeInMilliSec() < str2num<int>(parameters.find("DelayTime")) )
                isDrawing=0;
            else
            {   delayedTimer.start();
                advanceTrial();
            }
        }
    }
    if ( (int) block.at("Phase") != 1 && isDrawing==1 )
    {   drawingTrialFrame++;
    }
#define WRITE

    int thisBlockTrialNumber=0;
    switch ( block.at("Phase") )
    {
    case 0:
        thisBlockTrialNumber=block0TrialNumber;
        break;
    case 1:
        thisBlockTrialNumber=block1TrialNumber;
        break;
    case 2:
        thisBlockTrialNumber=block2TrialNumber;
        break;
    }

    if ( !isMovingRod )
    {
        RowVector3d junk(9999,9999,9999);
// Write to file
        if ( headCalibrationDone==3 && fingerCalibrationDone==3 )
        {


            if ( totalFrame==0)
            {
                markersFile << fixed << setprecision(3) <<
                            "SubjectName\tAdaptFinger\tTestFinger\tAdaptOffset\tAdaptHapticFeedback\tFingerDist\tTotalTrial\tPhase\tTrialNumber\tTrialFrame\tdT\tTotTime\tIndexInside\tIsDrawing\tTrialOk\tVisualStimX\tVisualStimY\tVisualStimZ\tHapticRodX\tHapticRodY\tHapticRodZ\tfRelDepth\tfDistances\tDeltaXRods\tEyeLeftXraw\tEyeLeftYraw\tEyeLeftZraw\tEyeRightXraw\tEyeRightYraw\tEyeRightZraw\tWristXraw\tWristYraw\tWristZraw\tThumbXraw\tThumbYraw\tThumbZraw\tIndexXraw\tIndexYraw\tIndexZraw" << endl;
                totalFrame++;
            }
            markersFile << fixed << setprecision(3) <<
                        parameters.find("SubjectName") << "\t" <<
                        parameters.find("AdaptFinger") << "\t" <<
                        parameters.find("TestFinger") << "\t" <<
                        adaptOffsets.at(block1TrialNumber) << "\t" <<
                        parameters.find("AdaptHapticFeedback") << "\t" <<
                        fingerDistance << "\t" <<
                        totalTrialNumber << "\t" <<
                        block.at("Phase") << "\t" <<
                        thisBlockTrialNumber << "\t" <<
                        trialFrame << "\t" <<
                        deltaT*1000 << "\t" <<
                        totalTime.getElapsedTimeInMilliSec() << "\t" <<
                        indexInside[0] << "\t" <<
                        isDrawing << "\t" <<
                        trialOk << "\t" <<
                        visualRodCenter.transpose() << "\t" <<
                        hapticRodCenter.transpose() << "\t" <<
                        ((block.at("Phase")!=1) ? factors.at("RelDepth") : 9999) << "\t" <<
                        ((block.at("Phase")!=1) ? factors.at("Distances") : 9999) << "\t" <<
                        deltaXRods << "\t" <<
                        ( isVisible(eyeLeft) ? eyeLeft.transpose() : junk ) << "\t" <<
                        ( isVisible(eyeRight) ? eyeRight.transpose() : junk ) << "\t" <<
                        ( isVisible(markers.at(6).p) ? markers.at(6).p.transpose() : junk ) << "\t" <<
                        ( isVisible(thumbCoords.getP1().p) ? thumbCoords.getP1().p.transpose() : junk ) << "\t" <<
                        ( isVisible(indexCoords.getP1().p) ? indexCoords.getP1().p.transpose() : junk ) << endl;

        }
        trialFrame++;
    }
#ifdef SAVEDATADAT
    eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );
    // Write datafile to real-time streaming of data
    ofstream outputfile;
    outputfile.open("data.dat");
    outputfile << "Subject Name: " << parameters.find("SubjectName") << endl;
    outputfile << "AdaptHapticFeedback: " << parameters.find("AdaptHapticFeedback") << endl;
    outputfile << "AdaptFinger: " << parameters.find("AdaptFinger") << endl;
    outputfile << "TestFinger: " << parameters.find("TestFinger") << endl;
    outputfile << "IndexInside: " << indexInside[0] << endl;
    //outputfile << "Yaw: " << toDegrees(eulerAngles.getYaw()) << endl <<"Pitch: " << toDegrees(eulerAngles.getPitch()) << endl << "Roll: " << toDegrees(eulerAngles.getRoll()) << endl;
    outputfile << "EyeLeft: " <<  headEyeCoords.getLeftEye().p.transpose() << endl;
    outputfile << "EyeRight: " << headEyeCoords.getRightEye().p.transpose() << endl << endl;
    outputfile << "Thumb: " << thumbCoords.getP1().p.transpose() << endl;
    outputfile << "Index: " << indexCoords.getP1().p.transpose() << endl;
    outputfile << "Wrist: " << markers.at(6).p.transpose() << endl;
    outputfile << "IsDrawing: " << isDrawing << " TrialOk: " << trialOk << " OccludedFrames: " << occludedFrames << " DrawingTrialFrames: " << drawingTrialFrame << endl;
    outputfile << "HapticRodCenter: " << hapticRodCenter.transpose() << endl;
    outputfile << "VisualRodCenter: " << visualRodCenter.transpose() << endl;
    outputfile << "Markers(5): " << markers.at(5).p.transpose() << endl;
    outputfile << "AdaptOffset: " << adaptOffsets.at(block1TrialNumber) << endl;
    outputfile << "Phase: " << block.at("Phase") << endl;
    outputfile << "TrialNumber: " << thisBlockTrialNumber << endl;
    outputfile << "Total trials: " << totalTrialNumber << endl;
#endif
    frameTimer.start();
}
void update(int value)
{   // Read the experiment from file, if the file is finished exit suddenly
    if ( inputStream.eof() )
    {   cleanup();
        exit(0);
    }

    if ( isReading )
    {   // This reads a line (frame) in inputStream
        readline(inputStream, trialNumber,  headCalibration,  trialMode, pointMatrix );

        headEyeCoords.update(pointMatrix.col(0),pointMatrix.col(1),pointMatrix.col(2));
        Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();
        eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );

        eyeLeft = headEyeCoords.getLeftEye();
        eyeRight= headEyeCoords.getRightEye();

        cyclopeanEye = (eyeLeft+eyeRight)/2.0;

		if ( trialMode == STIMULUSMODE )
			stimulusFrames++;
		if ( trialMode == FIXATIONMODE )
			stimulusFrames=0;

        // Projection of view normal on the focal plane
	Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
	Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );
	Eigen::ParametrizedLine<double,3> lineOfSightLeft  = Eigen::ParametrizedLine<double,3>::Through( eyeLeft, eyeLeft+directionOfSight );
	
	double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);
	double lineOfSightLeftDistanceToFocalPlane = lineOfSightLeft.intersection(focalPlane);
	
	//double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
	projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
	projPointEyeLeft= lineOfSightLeftDistanceToFocalPlane * (directionOfSight) + (eyeLeft);
	// second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
	lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
	Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
	
	if ( !zOnFocalPlane )
	projPointEyeRight=secondProjection ;

	// Compute the translation to move the eye in order to avoid share components
	Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);
	// GENERATION OF PASSIVE MODE.
        // HERE WE MOVE THE SCREEN TO FACE THE OBSERVER's EYE
        if ( passiveMode )
        {
            initProjectionScreen(0, headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));
        }
        else
            initProjectionScreen(focalDistance, Affine3d::Identity());
        
	objectPassiveTransformation = ( cam.getModelViewMatrix()*objectActiveTransformation );
    
	ofstream outputfile;
	outputfile.open("data.dat");
	outputfile << "Subject Name: " << parameters.find("SubjectName") << endl;
	outputfile << "Passive matrix:" << endl << objectPassiveTransformation.matrix() << endl;
	outputfile << "Yaw: " << toDegrees(eulerAngles.getYaw()) << endl <<"Pitch: " << toDegrees(eulerAngles.getPitch()) << endl;
	outputfile << "EyeLeft: " <<  headEyeCoords.getLeftEye().transpose() << endl;
	outputfile << "EyeRight: " << headEyeCoords.getRightEye().transpose() << endl << endl;
	outputfile << "Slant: " << instantPlaneSlant << endl;
	outputfile << "Factors:" << endl;
	for (map<string,double>::iterator iter=factors.begin(); iter!=factors.end(); ++iter)
	{
		outputfile << "\t\t" << iter->first << "= " << iter->second << endl;
	}
	
	}

    if ( trialMode == PROBEMODE )
        isReading=false;

    glutPostRedisplay();
    glutTimerFunc(TIMER_MS, update, 0);
}