Exemple #1
0
/** \ingroup Experiment
* Initialize the ParStaircase with n internal staircase, and randomize them in the lower-upper interval as specified by other two parameters.
* @param params ParametersLoader object just initialized with the staircase properties, for a correct settings of the staircase parameters the parameters files loaded by params, should contain the following items (all starting with s to specify that are special parameters relative to the Parstaircase :
\code
sStairNumber: 4
sStairStartStates: 10,5,-5,-10
sStairAscending: 0,0,1,1
sStairCorrectAnswers: 3,3,3,3
sStairMaxreversals: 10,10,10,10
sStairMaxTrials: 100,100,100,100
sStairPositiveStep: 0.25,10,5,0.1
sStairPositiveStepAfterFirstReversal: 0.01
sStairNegativeStep: 1
\endcode
**/
void ParStaircase::init( ParametersLoader &params )
{
    this->currentStaircaseIndex=0;
    this-> init(str2num<int>(params.find("sStairNumber")));
    this->setStartState(str2num<double>(params.find("sStairStartStates"),","));
    this->setAscending(str2num<bool>(params.find("sStairAscending"),","));
    this->setMaxReversals(str2num<int>(params.find("sStairMaxReversals"),","));
    this->setMaxTrials(str2num<int>(params.find("sStairMaxTrials"),","));
    this->setCorrectAnswers(str2num<int>(params.find("sStairCorrectAnswers"),","));

    // Handle the case where the user want to specify different staircase steps for every single staircase, they are colon separated list of comma separated numbers
    if ( params.find("sStairPositiveStep").find(";")!=string::npos )	// a colon is found
    {
        // then try to stringify its content
        string content = params.find("sStairPositiveStep");
        //removeAllWhite(content);
        vector<string> stairstepsstrings;
        util::tokenizeString(content,stairstepsstrings,";");
        vector<string> negstepsstrings;

        util::tokenizeString(params.find("sStairNegativeStep"),negstepsstrings,";");
        vector<double> negSteps(negstepsstrings.size());
        for (unsigned int i=0; i<negstepsstrings.size(); i++)
            negSteps.at(i) = util::str2num<double>(negstepsstrings.at(i));

        unsigned int n = str2num<int>(params.find("sStairNumber"));
        if ( stairstepsstrings.size()!=n  || negstepsstrings.size()!=n )
        {	cerr << "Error here, number of list of staircase positive and negative steps size must equal the staircase number!" << endl;
            cerr << "Be sure to avoid spaces between the colon \";\"" << endl;
            exit(0);
        }

        for ( unsigned int i=0; i<stairstepsstrings.size(); i++)
        {
            vector<double> steps = str2num<double>(stairstepsstrings.at(i),",");
            this->setStairStep(i,steps,negSteps);
        }
    }
    else
    {
        vector<double> posSteps = str2num<double>(params.find("sStairPositiveStep"),",");
        vector<double> negSteps = str2num<double>(params.find("sStairNegativeStep"),",");
        for ( int i=0; i< str2num<int>(params.find("sStairNumber")) ; i++ )
            this -> setStairStep( i,posSteps, negSteps);
    }
    double lowerClamp=-1e30,upperClamp=1e30;
    int maxClampHits=3;
    if ( params.exists("sStairClampLower") )
        lowerClamp = str2num<double>(params.find("sStairClampLower"));
    if ( params.exists("sStairClampUpper") )
        upperClamp = str2num<double>(params.find("sStairClampUpper"));
    if ( params.exists("sStairMaxClampHits") )
        maxClampHits= str2num<int>(params.find("sStairMaxClampHits") );
    this->setClamp(lowerClamp,upperClamp,maxClampHits);
}
void initVariables()
{   trial.init(parameters);
// module factor: 0 -> 1 -> 2
    module.init(1,false);

    module.addFactor("Phase",str2num<int>(parameters.find("Phase"),","));
    block = module.getNext();

    if ( parameters.exists("StimulusDensity") )
        stimulusDensity = str2num<double>(parameters.find("StimulusDensity"));
    else
        cerr << "Stimulus density parameters not found, set to 0.025..." << endl;

    adaptStimHeight = str2num<double>(parameters.find("AdaptStimulusHeight"));
    adaptStimRadius = str2num<double>(parameters.find("AdaptStimulusRadius"));

// crea la lista degli offset in adaptation dati start, end e numero steps
    int nTrials = str2num<int>(parameters.find("AdaptTrials"));
    double adaptOffsetStart = str2num<double>(parameters.find("AdaptOffsetStart"));
    double adaptOffsetEnd = str2num<double>(parameters.find("AdaptOffsetEnd"));
    int adaptOffsetNSteps = str2num<int>(parameters.find("AdaptOffsetSteps"));
    if ( adaptOffsetNSteps > nTrials )
    {   cerr << "too much steps, they must be at max " << nTrials << endl;
        cin.ignore(1e6,'\n');
        exit(0);
    }

    double adaptOffsetDelta = (adaptOffsetEnd - adaptOffsetStart)/adaptOffsetNSteps;
    for (int i=0; i<= adaptOffsetNSteps ; i++)
        adaptOffsets.push_back(i*adaptOffsetDelta+adaptOffsetStart);
    while ( adaptOffsets.size() != nTrials+2 ) //+2 così non rogna nel markersFile
        adaptOffsets.push_back(adaptOffsetEnd );

    testStimHeight = str2num<double>(parameters.find("TestStimulusHeight"));

    ballRadius = str2num<double>(parameters.find("BallRadius"));
    initStimulus(adaptStimHeight,adaptStimRadius*2,adaptStimRadius*2);

    hapticRodCenter = Vector3d(0,0,focalDistance);

    indexInside[0]=indexInside[1]=false;
    globalTimer.start();
    frameTimer.start();

    //trial.print(cerr);
}