Changeset 2801 for trunk/MagicSoft/Mars/manalysis

Timestamp:

01/14/04 14:03:26 (21 years ago)

Author:

moralejo

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/manalysis/MMcCalibrationCalc.cc (modified) (1 diff)

trunk/MagicSoft/Mars/manalysis/MMcCalibrationCalc.cc

@@ -216 +216 @@
           fSignalCam->GetNumUsedHiGainFADCSlices()*fHeaderFadc->GetPedestal(i);
 
+        //
+        // In some cases, depending on the camera simulation parameters, one can have
+        // very little or no noise in the FADC. In the case the rms of pedestal is zero, 
+        // the pixel will be cleaned out later in the image cleaning. To avoid this problem,
+        // we set a default value of 0.01 ADC counts for the RMS per slice:
+        //
+
         const Float_t pedestrms  = sigpix.IsLoGainUsed()? 
-          sqrt((Double_t)(fSignalCam->GetNumUsedLoGainFADCSlices())) * fHeaderFadc->GetPedestalRmsLow(i) : 
-          sqrt((Double_t)(fSignalCam->GetNumUsedHiGainFADCSlices())) * fHeaderFadc->GetPedestalRmsHigh(i);
+          sqrt((Double_t)(fSignalCam->GetNumUsedLoGainFADCSlices())) * TMath::Max(0.01, fHeaderFadc->GetPedestalRmsLow(i)) : 
+          sqrt((Double_t)(fSignalCam->GetNumUsedHiGainFADCSlices())) * TMath::Max(0.01, fHeaderFadc->GetPedestalRmsHigh(i));
 
         calpix.SetPedestal(pedestmean, pedestrms);