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/* |
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* RefitTrackAction.cpp |
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* |
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* Created on: 10/may/2010 |
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* Author: M. Bongi, N. Mori |
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*/ |
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#include "RefitTrackAction.h" |
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TRandom3* RefitTrackAction::_r3 = new TRandom3(0); |
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long int RefitTrackAction::_currEvent = -1; |
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void RefitTrackAction::OnGood(PamLevel2 *event) { |
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TrkParams::Set("/wizard/02/pamela_software/installed/pamela/calib/trk-param/align_param-080805-GL1from7/", 5); //DA USARE SOLO PER SIMULAZIONE ROTRASL!!! |
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TrkTrack *trkTrack = event->GetTrack(0)->GetTrkTrack(); |
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if (!trkTrack) |
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return; |
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if (_currEvent != event->GetReadEntry()) { |
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// Saves the original track data if the current event (recorded in the static member _currEvent) is |
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// different from the actually processed event. This way, multiple instances of the class |
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// can run in the same analysis, the backup being done only by the first of them. |
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_currEvent = event->GetReadEntry(); |
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// Save the original cluster status and measured positions |
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for (int i = 0; i < 6; i++) { |
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_layerXBackup[i] = trkTrack->xgood[0]; |
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_layerYBackup[i] = trkTrack->ygood[0]; |
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_xmBackup[i] = trkTrack->xm[i]; |
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_ymBackup[i] = trkTrack->ym[i]; |
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} |
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} |
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else { |
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// Current event matches the actually analyzed event, this meaning that another instance of the class |
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// has already done a refit. In this case, cluster status and positions must be restored before fitting again. |
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for (int i = 0; i < 6; i++) { |
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trkTrack->xm[i] = _xmBackup[i]; |
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trkTrack->ym[i] = _ymBackup[i]; |
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_layerXBackup[i] = trkTrack->xgood[0]; |
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_layerYBackup[i] = trkTrack->ygood[0]; |
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} |
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} |
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// Apply the gaussian spread |
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for (Int_t ip = 0; ip < 6; ip++) { |
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// gaussian distributed random number Gauss(mean,sigma) (in cm) |
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trkTrack->xm[ip] += _r3->Gaus(0., _spreadX); |
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trkTrack->ym[ip] += _r3->Gaus(0., _spreadY); |
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} |
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// Mask the layers |
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if (_maskedViews) { |
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if ((_maskedViews & T1X) == T1X) |
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trkTrack->xgood[0] = 0; |
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if ((_maskedViews & T2X) == T2X) |
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trkTrack->xgood[1] = 0; |
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if ((_maskedViews & T3X) == T3X) |
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trkTrack->xgood[2] = 0; |
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if ((_maskedViews & T4X) == T4X) |
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trkTrack->xgood[3] = 0; |
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if ((_maskedViews & T5X) == T5X) |
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trkTrack->xgood[4] = 0; |
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if ((_maskedViews & T6X) == T6X) |
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trkTrack->xgood[5] = 0; |
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if ((_maskedViews & T1Y) == T1Y) |
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trkTrack->ygood[0] = 0; |
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if ((_maskedViews & T2Y) == T2Y) |
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trkTrack->ygood[1] = 0; |
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if ((_maskedViews & T3Y) == T3Y) |
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trkTrack->ygood[2] = 0; |
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if ((_maskedViews & T4Y) == T4Y) |
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trkTrack->ygood[3] = 0; |
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if ((_maskedViews & T5Y) == T5Y) |
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trkTrack->ygood[4] = 0; |
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if ((_maskedViews & T6Y) == T6Y) |
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trkTrack->ygood[5] = 0; |
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} |
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trkTrack->FitReset(); |
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int fail = 0; |
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trkTrack->Fit(0, fail, 0); |
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} |
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