Ejemplo n.º 1
0
void drawRedDotsPlane()
{   // Draw the stimulus ( red-dots plane )
    glDisable(GL_COLOR_MATERIAL);
    glDisable(GL_BLEND);
    glDisable(GL_LIGHTING);

    // IMPORTANT Reset the previous status of transformation
    objectActiveTransformation.setIdentity();
    objectActiveTransformation.translation() = projPointEyeRight + translationFactor;
    if ((int)factors["Translation"]==-1 || (int)factors["Translation"]==-2 )
        objectActiveTransformation.linear().setIdentity();
    else
        objectActiveTransformation.linear()	= (AngleAxis<double>(eulerAngles.getYaw(), Vector3d::UnitY())*AngleAxis<double>(eulerAngles.getPitch(), Vector3d::UnitX())).toRotationMatrix();

    glPushMatrix();     // PUSH MATRIX
    glLoadIdentity();
    glMultMatrixd(objectActiveTransformation.data());

    Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight-eyeCalibration);

    double argslant = acos( cos(toRadians(factors["Slant"]))*(focalDistance-posAlongLineOfSight.z() )/((focalDistance )));
    instantPlaneSlant = toDegrees(argslant);


    switch ( (int) factors["Tilt"] )
    {
    case 0:
        glRotated( instantPlaneSlant ,0,1,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitY() );
        glScaled(1/sin(toRadians( -90-factors["Slant"])),1,1);	//backprojection phase
        break;
    case 90:
        glRotated( -instantPlaneSlant ,1,0,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitX() );
        glScaled(1,1/sin(toRadians( -90-factors["Slant"] )),1); //backprojection phase
        break;
    case 180:
        glRotated( -instantPlaneSlant ,0,1,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitY() );
        glScaled(1/sin(toRadians( -90-factors["Slant"] )),1,1); //backprojection phase
        break;
    case 270:
        glRotated( instantPlaneSlant ,1,0,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitX() );
        glScaled(1,1/sin(toRadians( -90-factors["Slant"] )),1); //backprojection phase
        break;
    }

    glGetDoublev(GL_MODELVIEW_MATRIX,objectActiveTransformation.data());
    BoundChecker stimBoundariesActive(&cam, &redDotsPlane);
    BoundChecker stimBoundariesPassive(&camPassive, &redDotsPlane);

    stimOutside = ( stimBoundariesActive.checkOutside(objectActiveTransformation) || stimBoundariesPassive.checkOutside(objectActiveTransformation));
    stimDrawer.draw();

    glPopMatrix();	// POP MATRIX

}
Ejemplo n.º 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);
}
Ejemplo n.º 3
0
void drawInfo()
{
    glPushMatrix();
    glClearColor(0.0,0.0,0.0,1.0);
    glMatrixMode (GL_PROJECTION);
    glPushMatrix ();
    glLoadIdentity ();
    gluOrtho2D(0, SCREEN_WIDTH, 0, SCREEN_HEIGHT);
    glMatrixMode (GL_MODELVIEW);
    glPushMatrix();
    glLoadIdentity();

    markers = optotrak.getAllPoints();

    switch ( headCalibrationDone )
    {
    case 0:
    {   allVisibleHead = isVisible(markers[17]) && isVisible(markers[18]) && isVisible(markers[1]) && isVisible(markers[2]) && isVisible(markers[3]) ;
        if ( allVisibleHead )
            glClearColor(0.0,1.0,0.0,1.0); //green light
        else
            glClearColor(1.0,0.0,0.0,1.0); //red light
    }
    break;
    case 1:
    case 2:
        //case 3:
    {
        glPrintText(10, SCREEN_HEIGHT-40,SCREEN_WIDTH,SCREEN_HEIGHT, "EL  " + stringify<int>(eyeLeft.x() ) + " " + stringify<int>(eyeLeft.y() ) + " " + stringify<int>(eyeLeft.z()) );
        glPrintText(10, SCREEN_HEIGHT-60,SCREEN_WIDTH,SCREEN_HEIGHT, "ER " + stringify<int>(eyeRight.x() ) + " " + stringify<int>(eyeRight.y() ) + " " + stringify<int>(eyeRight.z()) );
        glPrintText(10, SCREEN_HEIGHT-80,SCREEN_WIDTH,SCREEN_HEIGHT, "EC" + stringify<int>(cyclopeanEye.x())+" " + stringify<int>(cyclopeanEye.y())+" " + stringify<int>(cyclopeanEye.z()));
        glPrintText(10, SCREEN_HEIGHT-100,SCREEN_WIDTH,SCREEN_HEIGHT, "Dist " + stringify<int>(cyclopeanEye.z()-focalDistance));
        glPrintText(10, SCREEN_HEIGHT-120,SCREEN_WIDTH,SCREEN_HEIGHT, "PITCH " + stringify<int>(toDegrees(eulerAngles.getPitch())));
        glPrintText(10, SCREEN_HEIGHT-140,SCREEN_WIDTH,SCREEN_HEIGHT, "YAW " + stringify<int>(toDegrees(eulerAngles.getYaw())));
        glPrintText(10, SCREEN_HEIGHT-160,SCREEN_WIDTH,SCREEN_HEIGHT, "ROLL " + stringify<int>(toDegrees(eulerAngles.getRoll())));
        glPrintText(10, SCREEN_HEIGHT-180,SCREEN_WIDTH,SCREEN_HEIGHT, "Press SPACEBAR to calibrate again or ENTER to confirm calibration.");
        glPrintText(10, SCREEN_HEIGHT-200,SCREEN_WIDTH,SCREEN_HEIGHT, "Delta " + stringify<int>(eyeRight.z()- eyeCalibration.z()));
        Vector3d angles = headEyeCoords.getRigidStart().getFullTransformation().rotation().eulerAngles(0,1,2);

        glPrintText(10, SCREEN_HEIGHT-220,SCREEN_WIDTH,SCREEN_HEIGHT, "YAW " + stringify<int>(toDegrees(eulerAngles.getYaw())));
        glPrintText(10, SCREEN_HEIGHT-240,SCREEN_WIDTH,SCREEN_HEIGHT, "PITCH " + stringify<int>(toDegrees(eulerAngles.getPitch())));
        if ( !passiveMode )
            glPrintText(10, SCREEN_HEIGHT-260,SCREEN_WIDTH,SCREEN_HEIGHT, "Active");
        else
            glPrintText(10, SCREEN_HEIGHT-260,SCREEN_WIDTH,SCREEN_HEIGHT, "Passive");
        glPrintText(10, SCREEN_HEIGHT-280,SCREEN_WIDTH,SCREEN_HEIGHT, "OBJ " + stringify<int>(projPointEyeRight.x() ) + " " + stringify<int>(projPointEyeRight.y() ) + " " + stringify<int>(projPointEyeRight.z()) );
        glPrintText(10, SCREEN_HEIGHT-300,SCREEN_WIDTH,SCREEN_HEIGHT,"Slant= " + stringify<int>(factors["Slant"]) + " " + stringify<int>((instantPlaneSlant)));
        glPrintText(10, SCREEN_HEIGHT-320,SCREEN_WIDTH,SCREEN_HEIGHT, "GlassesL" + stringify<int>(markers[17].x() ) + " " + stringify<int>(markers[17].y() ) + " " + stringify<int>(markers[17].z()) );
        glPrintText(10, SCREEN_HEIGHT-340,SCREEN_WIDTH,SCREEN_HEIGHT, "GlassesR" + stringify<int>(markers[18].x() ) + " " + stringify<int>(markers[18].y() ) + " " + stringify<int>(markers[18].z()) );
    }
    break;
    }

    glMatrixMode(GL_PROJECTION);
    glPopMatrix();
    glMatrixMode(GL_MODELVIEW);
    glPopMatrix();
    glPopMatrix();
    // end if ( headCalibrationDone )
}
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);
}
void drawFixation()
{
	switch ( headCalibrationDone )
	{   
	case 1:
		// Fixed stimulus
		glColor3fv(glWhite);
		glDisable(GL_BLEND);
		glPointSize(5);
		glBegin(GL_POINTS);
		glVertex3d(0,0,focalDistance);
		glEnd();
		glPointSize(1);
		break;
	case 2:
		// Fixed stimulus + projected points
		glColor3fv(glWhite);
		glDisable(GL_BLEND);
		glPointSize(5);
		glBegin(GL_POINTS);
		glVertex3d(0,0,focalDistance);
		glColor3fv(glRed);
		glVertex3dv(projPointEyeRight.data());
		glColor3fv(glBlue);
		glVertex3d(eyeRight.x(),eyeRight.y(),focalDistance);
		glEnd();
		glPointSize(1);
	
		// Draw the calibration circle
		glColor3fv(glWhite);
		break;
	
	case 3:
	{
	// DRAW THE FIXATION POINT 
	double eyeToCenterAngleX= toDegrees(atan(eyeRight.x()/(-focalDistance-eyeRight.z()) ));
	double eyeToCenterAngleY= toDegrees(atan(eyeRight.y()/(-focalDistance-eyeRight.z()) ));
	double projPointAngleX = toDegrees( atan( (projPointEyeRight.x()-eyeRight.x())/abs(projPointEyeRight.z())));
	double maxAllowedTranslationYaw = str2num<double>(parameters.find("MaxAllowedTranslationYaw"));


	Vector3d stimulusCenter(0,0,0);
	Matrix3d objrotation = Matrix3d::Identity();
	// IMPORTANT Reset the previous status of transformation
	objectActiveTransformation.setIdentity();

	switch ( (int) factors["Rotation"] )
	{
	case 2:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw()*factors["FollowingSpeed"], Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch(), Vector3d::UnitX())).toRotationMatrix();
		instantPlaneSlant = toDegrees(eulerAngles.getYaw())*factors["RotationSpeed"]+factors["Slant"];
		stimulusCenter = objrotation*Vector3d(0,0,focalDistance)+headEyeCoords.getRigidStart().getFullTransformation().translation();
		objectActiveTransformation.linear()=objrotation;
	}
	break;
	case 1:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw(), Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch()*factors["FollowingSpeed"], Vector3d::UnitX())).toRotationMatrix();
		instantPlaneSlant = toDegrees(eulerAngles.getPitch())*factors["RotationSpeed"]+factors["Slant"];
		stimulusCenter = objrotation*Vector3d(0,0,focalDistance)+headEyeCoords.getRigidStart().getFullTransformation().translation();
		objectActiveTransformation.linear()=objrotation;
	}
	break;
	case 0:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw(), Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch(), Vector3d::UnitX())).toRotationMatrix();
		//instantPlaneSlant = eyeRight.x()*factors["RotationSpeed"]/10+factors["Slant"];
		instantPlaneSlant = toDegrees( atan(eyeRight.x()/abs(focalDistance+eyeRight.z()) ) )*factors["RotationSpeed"]+factors["Slant"];
		stimulusCenter  = headEyeCoords.getRigidStart().getFullTransformation().linear()*Vector3d(eyeRight.x()*factors["FollowingSpeed"],eyeRight.y(),eyeRight.z()+focalDistance);
		objectActiveTransformation.linear() = objrotation;
	}
	break;
	}
	objectActiveTransformation.translation() = stimulusCenter;
	Vector3d fixationPointTmp = objectActiveTransformation.translation();

	glPushMatrix();
	glTranslated(fixationPointTmp.x(),fixationPointTmp.y(),fixationPointTmp.z());
	glutSolidSphere(1,10,10);
	glPopMatrix();
	break;	
	}
}
}
void drawRedDotsPlane()
{   // Draw the stimulus ( red-dots plane )
	glDisable(GL_COLOR_MATERIAL);
	glDisable(GL_BLEND);
	glDisable(GL_LIGHTING);

	Matrix3d objrotation ;
	Vector3d stimulusCenter;
    
	double instantPlaneSlant=0; 
	
	// IMPORTANT Reset the previous status of transformation
	objectActiveTransformation.setIdentity();

	switch ( (int) factors["Rotation"] )
	{
	case 2:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw()*factors["FollowingSpeed"], Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch(), Vector3d::UnitX())).toRotationMatrix();
		instantPlaneSlant = toDegrees(eulerAngles.getYaw())*factors["RotationSpeed"]+factors["Slant"];
		stimulusCenter = objrotation*Vector3d(0,0,focalDistance)+headEyeCoords.getRigidStart().getFullTransformation().translation();
		objectActiveTransformation.linear()=objrotation;
	}
	break;
	case 1:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw(), Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch()*factors["FollowingSpeed"], Vector3d::UnitX())).toRotationMatrix();
		instantPlaneSlant = toDegrees(eulerAngles.getPitch())*factors["RotationSpeed"]+factors["Slant"];
		stimulusCenter = objrotation*Vector3d(0,0,focalDistance)+headEyeCoords.getRigidStart().getFullTransformation().translation();
		objectActiveTransformation.linear()=objrotation;
	}
	break;
	case 0:
	{
		objrotation = (AngleAxis<double>(eulerAngles.getYaw(), Vector3d::UnitY())
		*AngleAxis<double>(eulerAngles.getPitch(), Vector3d::UnitX())).toRotationMatrix();
		//instantPlaneSlant = eyeRight.x()*factors["RotationSpeed"]/10+factors["Slant"];
		instantPlaneSlant = toDegrees( atan(eyeRight.x()/abs(focalDistance+eyeRight.z()) ) )+factors["Slant"];
		stimulusCenter  = headEyeCoords.getRigidStart().getFullTransformation().linear()*Vector3d(eyeRight.x()*factors["FollowingSpeed"],eyeRight.y(),eyeRight.z()+focalDistance);
		objectActiveTransformation.linear() = objrotation;
	}
	break;

	}
	objectActiveTransformation.translation() = stimulusCenter;
	
	//cerr << instantPlaneSlant << endl;

	glPushMatrix();     // PUSH MATRIX
	glLoadIdentity();
	glMultMatrixd(objectActiveTransformation.data());
	
	switch ( (int) factors["Tilt"] )
    {
    case 0:
        glRotated( instantPlaneSlant ,0,1,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitY() );
        glScaled(1/sin(toRadians( -90-factors["Slant"])),1,1);	//backprojection phase
        break;
    case 90:
        glRotated( -instantPlaneSlant ,1,0,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitX() );
        glScaled(1,1/sin(toRadians( -90-factors["Slant"] )),1); //backprojection phase
        break;
    case 180:
        glRotated( -instantPlaneSlant ,0,1,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitY() );
        glScaled(1/sin(toRadians( -90-factors["Slant"] )),1,1); //backprojection phase
        break;
    case 270:
        glRotated( instantPlaneSlant ,1,0,0);
        //objectActiveTransformation*=AngleAxisd( toRadians(-instantPlaneSlant), Vector3d::UnitX() );
        glScaled(1,1/sin(toRadians( -90-factors["Slant"] )),1); //backprojection phase
        break;
    }
	stimDrawer.draw();

	glPopMatrix();	// POP MATRIX

}