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);
}
void initProjectionScreen(double _focalDist)
{ screen.setWidthHeight(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH);
screen.setOffset(alignmentX,alignmentY);
screen.setFocalDistance(_focalDist);
cam.init(screen);
}
// Questa funzione definisce la distanza e l'orientazione dello schermo di proiezione virtuale, e' importante che la lasci cosi almeno che tu non voglia:
// 1) simulare uno schermo di proiezione che si muove o comunque con un orientamento diverso da quello standard cioe' il piano a z=focalDistance
// 2) spostare il piano di proiezione cambiando alignmentX ed alignmentY ma per quello ti consiglio di contattarmi o comunque utilizzare il file headCalibration.cpp che ha legato ai tasti 2,4,6,8 il movimento dello schermo per allineare mondo virtuale e mondo optotrak
void initProjectionScreen(double _focalDist, const Affine3d &_transformation, bool synchronous)
{
cam.init(Screen(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH,alignmentX,alignmentY,_focalDist));
}
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);
}
void handleKeypress(unsigned char key, int x, int y)
{ switch (key)
{ //Quit program
case 'o':
orthographicMode=!orthographicMode;
cam.setOrthoGraphicProjection(orthographicMode);
break;
case 'z':
zOnFocalPlane=!zOnFocalPlane;
break;
case 'p':
passiveMode=!passiveMode;
break;
case 'q':
case 27:
{ cleanup();
exit(0);
}
break;
case ' ':
{
// Here we record the head shape - coordinates of eyes and markers, but centered in (0,0,0)
if ( headCalibrationDone==0 && allVisibleHead )
{
headEyeCoords.init(markers[17],markers[18], markers[1],markers[2],markers[3],interoculardistance );
headCalibrationDone=1;
break;
}
// Second calibration, you must look a fixed fixation point
if ( headCalibrationDone==1 )
{
headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
headCalibrationDone=2;
break;
}
if ( headCalibrationDone==2 )
{ headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
break;
}
}
break;
// Enter key: press to make the final calibration
case 13:
{
if ( headCalibrationDone == 2)
{
headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
headCalibrationDone=3;
}
}
break;
case '2':
{
probeAngle=270;
keyPressed();
}
break;
case '8':
{
probeAngle=90;
keyPressed();
}
break;
case '4':
{
probeAngle=180;
keyPressed();
}
break;
case '6':
{
probeAngle=0;
keyPressed();
}
break;
}
}
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);
}
