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https://github.com/slsdetectorgroup/slsDetectorPackage.git
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8d09f061da
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorCalibration@13 113b152e-814d-439b-b186-022a431db7b5
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
#ifndef COMMONMODESUBTRACTION_H
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#define COMMONMODESUBTRACTION_H
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#include "MovingStat.h"
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class commonModeSubtraction {
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/** @short class to calculate the common mode of the pedestals based on an approximated moving average*/
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public:
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/** constructor
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\param nn number of samples for the moving average to calculate the average common mode
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\param iroi number of regions on which one can calculate the common mode separately. Defaults to 1 i.e. whole detector
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*/
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commonModeSubtraction(int nn=1000, int iroi=1) : cmStat(NULL), cmPed(NULL), nCm(NULL), nROI(iroi) {cmStat=new MovingStat[nROI]; for (int i=0; i<nROI; i++) cmStat[i].SetN(nn); cmPed=new double[nROI]; nCm=new double[nROI];};
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/** destructor - deletes the moving average(s) and the sum of pedestals calculator(s) */
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virtual ~commonModeSubtraction() {delete [] cmStat; delete [] cmPed; delete [] nCm;};
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/** clears the moving average and the sum of pedestals calculation - virtual func*/
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virtual void Clear(){
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for (int i=0; i<nROI; i++) {
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cmStat[i].Clear();
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nCm[i]=0;
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cmPed[i]=0;
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}};
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/** adds the average of pedestals to the moving average and reienitialize the calculation of the sum of pedestals for all ROIs. - virtual func*/
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virtual void newFrame(){
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for (int i=0; i<nROI; i++) {
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if (nCm[i]>0) cmStat[i].Calc(cmPed[i]/nCm[i]);
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nCm[i]=0;
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cmPed[i]=0;
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}};
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/** adds the pixel to the sum of pedestals -- virtual func
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\param isc region of interest index
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*/
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virtual void addToCommonMode(double val, int isc=0) {
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if (isc>=0 && isc<nROI) {
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cmPed[isc]+=val;
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nCm[isc]++;}};
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/** gets the common mode i.e. the difference between the current average sum of pedestals mode and the average pedestal -- virtual func
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\param isc region of interest index
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\return the difference between the current average sum of pedestals and the average pedestal
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*/
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virtual double getCommonMode(int isc=0) {
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if (isc>=0 && isc<nROI)
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if (nCm[0]>0) return cmPed[0]/nCm[0]-cmStat[0].Mean();
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return 0;};
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protected:
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MovingStat *cmStat; /**<array of moving average of the pedestal average per region of interest */
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double *cmPed; /**< array storing the sum of pedestals per region of interest */
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double *nCm; /**< array storing the number of pixels currently contributing to the pedestals */
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const int nROI; /**< constant parameter for number of regions on which the common mode should be calculated separately e.g. supercolumns */
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};
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#endif
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