LMU/musrfit
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fixed alpha & beta for view

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nemu 2008-05-14 14:46:28 +00:00
parent 6e35f2701b
commit 0ee32cf526
1 changed files with 32 additions and 8 deletions
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40
src/classes/PRunAsymmetry.cpp
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@ -672,6 +672,12 @@ return false;
*/
bool PRunAsymmetry::PrepareViewData(PRawRunData* runData, unsigned int histoNo[2])
{
// feed the parameter vector
std::vector<double> par;
PMsrParamList *paramList = fMsrInfo->GetMsrParamList();
for (unsigned int i=0; i<paramList->size(); i++)
par.push_back((*paramList)[i].fValue);
// transform raw histo data. This is done the following way (for details see the manual):
// first rebin the data, than calculate the asymmetry
// first get start data, end data, and t0
@ -763,11 +769,35 @@ bool PRunAsymmetry::PrepareViewData(PRawRunData* runData, unsigned int histoNo[2
// form asymmetry including error propagation
double asym;
double f, b, ef, eb;
double f, b, ef, eb, alpha, beta;
// fill data time start, and step
// data start at data_start-t0
fData.fDataTimeStart = fTimeResolution*(((double)start[0]-t0[0])+(double)fRunInfo->fPacking/2.0);
fData.fDataTimeStep = fTimeResolution*(double)fRunInfo->fPacking;
// get the proper alpha and beta
switch (fAlphaBetaTag) {
case 1: // alpha == 1, beta == 1
alpha = 1.0;
beta = 1.0;
break;
case 2: // alpha != 1, beta == 1
alpha = par[fRunInfo->fAlphaParamNo-1];
beta = 1.0;
break;
case 3: // alpha == 1, beta != 1
alpha = 1.0;
beta = par[fRunInfo->fBetaParamNo-1];
break;
case 4: // alpha != 1, beta != 1
alpha = par[fRunInfo->fAlphaParamNo-1];
beta = par[fRunInfo->fBetaParamNo-1];
break;
default:
break;
}
cout << endl << ">> alpha = " << alpha << ", beta = " << beta;
for (unsigned int i=0; i<forwardPacked.fValue.size(); i++) {
// to make the formulae more readable
f = forwardPacked.fValue[i];
@ -776,7 +806,7 @@ bool PRunAsymmetry::PrepareViewData(PRawRunData* runData, unsigned int histoNo[2
eb = backwardPacked.fError[i];
// check that there are indeed bins
if (f+b != 0.0)
asym = (f-b) / (f+b);
asym = (alpha*f-b) / (alpha*beta*f+b);
else
asym = 0.0;
fData.fValue.push_back(asym);
@ -808,12 +838,6 @@ bool PRunAsymmetry::PrepareViewData(PRawRunData* runData, unsigned int histoNo[2
fBackwardErr.clear();
// fill theory vector for kView
// feed the parameter vector
std::vector<double> par;
PMsrParamList *paramList = fMsrInfo->GetMsrParamList();
for (unsigned int i=0; i<paramList->size(); i++)
par.push_back((*paramList)[i].fValue);
// calculate functions
for (int i=0; i<fMsrInfo->GetNoOfFuncs(); i++) {
fFuncValues[i] = fMsrInfo->EvalFunc(fMsrInfo->GetFuncNo(i), fRunInfo->fMap, par);