Adding generic methods for signal analysis inside framework

source/framework/analysis/inc/TRestPulseShapeAnalysis.h

@@ -0,0 +1,103 @@
+/*************************************************************************
+ * This file is part of the REST software framework.                     *
+ *                                                                       *
+ * Copyright (C) 2016 GIFNA/TREX (University of Zaragoza)                *
+ * For more information see http://gifna.unizar.es/trex                  *
+ *                                                                       *
+ * REST is free software: you can redistribute it and/or modify          *
+ * it under the terms of the GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3 of the License, or     *
+ * (at your option) any later version.                                   *
+ *                                                                       *
+ * REST is distributed in the hope that it will be useful,               *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the          *
+ * GNU General Public License for more details.                          *
+ *                                                                       *
+ * You should have a copy of the GNU General Public License along with   *
+ * REST in $REST_PATH/LICENSE.                                           *
+ * If not, see http://www.gnu.org/licenses/.                             *
+ * For the list of contributors see $REST_PATH/CREDITS.                  *
+ *************************************************************************/
+
+#ifndef RestCore_TRestPulseShapeAnalysis
+#define RestCore_TRestPulseShapeAnalysis
+
+#include <Rtypes.h>
+#include <TGraph.h>
+#include <TMath.h>
+#include <TVector2.h>
+
+#include <iostream>
+#include <numeric>
+#include <vector>
+
+/// This namespace define generic functions to calculate different signal parameters
+namespace TRestPulseShapeAnalysis {
+
+template <typename T>
+void CalculateBaselineAndSigmaSD(const std::vector<T>& signal, Int_t startBin, Int_t endBin,
+                                 Double_t& baseLine, Double_t& baseLineSigma);
+
+template <typename T>
+void CalculateBaselineAndSigmaIQR(const std::vector<T>& signal, Int_t startBin, Int_t endBin,
+                                  Double_t& baseLine, Double_t& baseLineSigma);
+
+template <typename T>
+Double_t GetAverage(const std::vector<T>& signal, Int_t startBin, Int_t endBin);
+
+template <typename T>
+std::vector<Float_t> GetSignalSmoothed(const std::vector<T>& signal, int averagingPoints = 3);
+
+template <typename T>
+std::vector<Float_t> GetSignalSmoothed_ExcludeOutliers(const std::vector<T>& signal, int averagingPoints,
+                                                       Double_t& baseLine, Double_t& baseLineSigma);
+
+template <typename T>
+std::vector<Float_t> GetDerivative(const std::vector<T>& signal);
+
+template <typename T>
+std::vector<std::pair<Float_t, Float_t> > GetPointsOverThreshold(const std::vector<T>& signal,
+                                                                 TVector2& range, const TVector2& thrPar,
+                                                                 Int_t nPointsOver, Int_t nPointsFlat,
+                                                                 Double_t baseLineSigma);
+
+template <typename T>
+Int_t GetMaxBin(const std::vector<T>& signal, int startBin = 0, int endBin = 0) {
+    if (endBin <= 0 || endBin > (int)signal.size()) endBin = signal.size();
+    if (startBin < 0) startBin = 0;
+
+    return std::distance(signal.begin(),
+                         std::max_element(signal.begin() + startBin, signal.begin() + endBin));
+}
+
+template <typename T>
+Int_t GetMinBin(const std::vector<T>& signal, int startBin = 0, int endBin = 0) {
+    if (endBin <= 0 || endBin > (int)signal.size()) endBin = signal.size();
+    if (startBin < 0) startBin = 0;
+
+    return std::distance(signal.begin(),
+                         std::min_element(signal.begin() + startBin, signal.begin() + endBin));
+}
+
+template <typename T>
+Double_t GetIntegral(const std::vector<T>& signal, Int_t startBin, Int_t endBin);
+
+template <typename T>
+Double_t GetMaxPeakWidth(const std::vector<T>& signal);
+
+Double_t GetSlopeIntegral(const std::vector<std::pair<Float_t, Float_t> >& signal);
+Double_t GetRiseSlope(const std::vector<std::pair<Float_t, Float_t> >& signal);
+Double_t GetRiseTime(const std::vector<std::pair<Float_t, Float_t> >& signal);
+
+std::vector<std::pair<double, double> > GetIntWindow(TGraph* signal, double intWindow);
+std::array<std::pair<Double_t, Double_t>, 3> GetTripleMax(TGraph* signal);
+TVector2 GetTripleMaxAverage(TGraph* signal);
+Double_t GetTripleMaxIntegral(TGraph* signal);
+TVector2 GetMaxGauss(TGraph* signal);
+TVector2 GetMaxLandau(TGraph* signal);
+TVector2 GetMaxAget(TGraph* signal);
+
+}  // namespace TRestPulseShapeAnalysis
+
+#endif