+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// This class maintains a plot for the evolution of a value that is used //
-// tomonitor the quality of the recorded data. //
-// The trendgram is created and filled by a sub class of AliMonitor. //
-// It can be compared to a reference trendgram. For the comparison a //
-// maximal deviation (in standard deviations) can be specified. //
-// The bins where the maximal deviation is exceeded are drawn in red. //
-// //
-///////////////////////////////////////////////////////////////////////////////
-
-
-#include <TH1.h>
-#include <TLine.h>
-#include <TMath.h>
-#include <TVirtualPad.h>
-
-#include "AliLog.h"
-
-#include "AliMonitorTrend.h"
-
-
-ClassImp(AliMonitorTrend)
-
-
-Int_t AliMonitorTrend::fgIncSize = 10;
-
-
-//_____________________________________________________________________________
-AliMonitorTrend::AliMonitorTrend():
- AliMonitorPlot(),
- fLabel(),
- fMin(0),
- fMax(0),
- fData(),
- fHistoDraw(NULL),
- fRefMean(0),
- fRefSigma(-1),
- fHistoCompare(NULL)
-{
-// default contructor
-
-}
-
-//_____________________________________________________________________________
-AliMonitorTrend::AliMonitorTrend(const AliMonitorTrend& trend) :
- AliMonitorPlot(trend),
- fLabel(trend.fLabel),
- fMin(trend.fMin),
- fMax(trend.fMax),
- fData(trend.fData),
- fHistoDraw(NULL),
- fRefMean(trend.fRefMean),
- fRefSigma(trend.fRefSigma),
- fHistoCompare(NULL)
-{
-// copy constructor
-
-}
-
-//_____________________________________________________________________________
-AliMonitorTrend& AliMonitorTrend::operator =(const AliMonitorTrend& trend)
-{
-// assignment operator
-
- AliMonitorPlot::operator =(trend);
-
- fLabel = trend.fLabel;
- fMin = trend.fMin;
- fMax = trend.fMax;
- trend.fData.Copy(fData);
-
- fHistoDraw = NULL;
- fRefMean = trend.fRefMean;
- fRefSigma = trend.fRefSigma;
- fHistoCompare = NULL;
-
- return *this;
-}
-
-//_____________________________________________________________________________
-AliMonitorTrend::AliMonitorTrend(const char* name, const char* title,
- const char* label, Double_t min, Double_t max) :
- AliMonitorPlot(name, title),
- fLabel(label),
- fMin(min),
- fMax(max),
- fData(),
- fHistoDraw(NULL),
- fRefMean(0),
- fRefSigma(0),
- fHistoCompare(NULL)
-{
-// create a monitor trend
-
-}
-
-//_____________________________________________________________________________
-AliMonitorTrend::~AliMonitorTrend()
-{
-// delete all histograms
-
- if (fHistoDraw) delete fHistoDraw;
- if (fHistoCompare) delete fHistoCompare;
-}
-
-
-//_____________________________________________________________________________
-void AliMonitorTrend::SetReference(TH1* ref)
-{
-// set the reference trend for comparison
-
- Int_t n = ref->GetXaxis()->GetNbins();
- if (n <= 0) return;
-
- Double_t sum = 0;
- Double_t sum2 = 0;
- for (Int_t i = 1; i <= n; i++) {
- sum += ref->GetBinContent(i);
- sum2 += ref->GetBinContent(i) * ref->GetBinContent(i);
- }
-
- fRefMean = sum / n;
- fRefSigma = TMath::Sqrt(sum2 - sum*sum/n) / n;
-}
-
-//_____________________________________________________________________________
-void AliMonitorTrend::SetReference(AliMonitorPlot* ref)
-{
-// set the reference trendgram for comparison
-
- if (!ref->InheritsFrom(AliMonitorTrend::Class())) return;
- fRefMean = ((AliMonitorTrend*)ref)->GetMean();
- fRefSigma = ((AliMonitorTrend*)ref)->GetSigma();
-}
-
-
-//_____________________________________________________________________________
-void AliMonitorTrend::Fill(Double_t x)
-{
-// add a value to the monitor trend
-
- if (fNumberOfEvents >= fData.GetSize()) {
- fData.Set(fNumberOfEvents + fgIncSize);
- }
- fData[fNumberOfEvents] = x;
-}
-
-
-//_____________________________________________________________________________
-void AliMonitorTrend::Update()
-{
-// update
-
- fNumberOfEvents++;
-}
-
-//_____________________________________________________________________________
-void AliMonitorTrend::Add(AliMonitorPlot* plot)
-{
-// merge the given trend to this one
-
- if (!plot->InheritsFrom(AliMonitorTrend::Class())) return;
- AliMonitorTrend* trend = (AliMonitorTrend*) plot;
-
- Int_t numberOfEvents = fNumberOfEvents + trend->fNumberOfEvents;
- if (numberOfEvents >= fData.GetSize()) {
- fData.Set(numberOfEvents + fgIncSize);
- }
- for (Int_t i = 0; i < trend->fNumberOfEvents; i++) {
- fData[fNumberOfEvents + i] = trend->fData[i];
- }
- fNumberOfEvents = numberOfEvents;
-}
-
-//_____________________________________________________________________________
-void AliMonitorTrend::Reset()
-{
-// reset the monitor trend for a new run
-
- fData.Set(fgIncSize);
- if (fHistoDraw) delete fHistoDraw;
- fHistoDraw = NULL;
- if (fHistoCompare) delete fHistoCompare;
- fHistoCompare = NULL;
- fNumberOfEvents = 0;
-}
-
-//_____________________________________________________________________________
-void AliMonitorTrend::ResetList()
-{
-// reset the the list of monitor histograms
-// (not applicable for trend)
-
-}
-
-
-//_____________________________________________________________________________
-Bool_t AliMonitorTrend::ComparePlot()
-{
-// compare the data trend to the reference
-// if they deviate by more than fgThreshold standard deviations in a bin,
-// this bin is set in fHistoCompare and kFALSE is returned
-
- if (fRefSigma < 0) return kTRUE;
- if (fgThreshold <= 0) return kTRUE;
- if (!fHistoDraw) {
- AliWarning("no data trend available for comparison\ncall DrawSum or DrawRaw before calling Compare");
- return kTRUE;
- }
-
- Int_t nBins = fHistoDraw->GetXaxis()->GetNbins();
- if (fHistoCompare) delete fHistoCompare;
- fHistoCompare = CreateHisto(nBins);
- fHistoCompare->Reset();
- fHistoCompare->SetOption("P");
- fHistoCompare->SetMarkerStyle(kFullCircle);
- fHistoCompare->SetFillStyle(0);
- Bool_t result = kTRUE;
-
- for (Int_t iBin = 1; iBin <= nBins; iBin++) {
- Double_t delta = TMath::Abs(fHistoDraw->GetBinContent(iBin) - fRefMean);
- if (delta > fgThreshold*fRefSigma) {
- fHistoCompare->SetBinContent(iBin, fHistoDraw->GetBinContent(iBin));
- result = kFALSE;
- }
- }
-
- return result;
-}
-
-//_____________________________________________________________________________
-Bool_t AliMonitorTrend::GetEvent(Int_t)
-{
-// there is no single event trend
-
-// Info("GetEvent", "there is no trend for single events available");
- return kFALSE;
-}
-
-//_____________________________________________________________________________
-Bool_t AliMonitorTrend::GetSum(Int_t number)
-{
-// get the monitor trend for the last "number" events
-
- if (number > fNumberOfEvents) {
- AliError(Form("requested number of events (%d) exceeds range of available events (%d)\nusing last %d event(s)",
- number, fNumberOfEvents, fNumberOfEvents));
- number = fNumberOfEvents;
- }
- if (number <= 0) return kFALSE;
-
- if (fHistoDraw) delete fHistoDraw;
- if (fHistoCompare) delete fHistoCompare;
- fHistoCompare = NULL;
-
- fHistoDraw = CreateHisto(number);
- return kTRUE;
-}
-
-//_____________________________________________________________________________
-Bool_t AliMonitorTrend::GetRun()
-{
-// get the monitor trend for all monitored events of the current run
-
- if (fHistoDraw) delete fHistoDraw;
- if (fHistoCompare) delete fHistoCompare;
- fHistoCompare = NULL;
- if (fNumberOfEvents <= 0) return kFALSE;
-
- fHistoDraw = CreateHisto(fNumberOfEvents);
- return kTRUE;
-}
-
-//_____________________________________________________________________________
-void AliMonitorTrend::DrawPlot()
-{
-// draw the trendgrams
-
- fHistoDraw->SetMarkerColor(fgColorData);
- fHistoDraw->SetLineColor(fgColorData);
- fHistoDraw->SetLineWidth(2);
- fHistoDraw->DrawCopy();
-
- if ((fRefSigma > 0) && fgDrawRef) {
- if ((fRefMean+fRefSigma > fHistoDraw->GetMaximum()) && !(fMax > fMin)) {
- fHistoDraw->SetMaximum(fRefMean+fRefSigma * 1.1);
- }
-
- Double_t xMin = fHistoDraw->GetXaxis()->GetXmin();
- Double_t xMax = fHistoDraw->GetXaxis()->GetXmax();
- TLine* mean = new TLine(xMin, fRefMean, xMax, fRefMean);
- mean->SetLineColor(fgColorRef);
- mean->SetLineWidth(2);
- mean->Draw();
- TLine* high = new TLine(xMin, fRefMean+fRefSigma,
- xMax, fRefMean+fRefSigma);
- high->SetLineColor(fgColorRef);
- high->SetLineWidth(2);
- high->SetLineStyle(2);
- high->Draw();
- TLine* low = new TLine(xMin, fRefMean-fRefSigma,
- xMax, fRefMean-fRefSigma);
- low->SetLineColor(fgColorRef);
- low->SetLineWidth(2);
- low->SetLineStyle(2);
- low->Draw();
-
-// char option[256];
-// sprintf(option, "%sSAME", fHistoDraw->GetOption());
-// fHistoDraw->DrawCopy(option);
-
- if (fHistoCompare && (fgThreshold > 0)) {
- char option[256];
- sprintf(option, "%sSAME", fHistoCompare->GetOption());
- fHistoCompare->SetMarkerColor(fgColorCompare);
- fHistoCompare->SetLineColor(fgColorCompare);
- fHistoCompare->SetLineWidth(2);
- fHistoCompare->DrawCopy(option);
- }
- }
-
- gPad->Update();
-}
-
-
-//_____________________________________________________________________________
-TH1* AliMonitorTrend::CreateHisto(Int_t nBins)
-{
-// create a histogram for a trend plot with the last nBin entries
-
- TH1* result = new TH1D(GetName(), GetTitle(), nBins, -nBins-0.5, -0.5);
- result->GetXaxis()->SetTitle("N_{event}");
- result->GetYaxis()->SetTitle(fLabel.Data());
- if (fMax > fMin) {
- result->SetMinimum(fMin);
- result->SetMaximum(fMax);
- }
- result->SetOption("L");
-
- Double_t sum = 0;
- Double_t sum2 = 0;
- for (Int_t i = 0; i < nBins; i++) {
- Double_t data = fData[fNumberOfEvents-1-i];
- sum += data;
- sum2 += data * data;
- result->SetBinContent(nBins-i, data);
- }
- Stat_t stats[4];
- stats[0] = nBins;
- stats[1] = nBins * nBins;
- stats[2] = sum;
- stats[3] = sum2;
- result->PutStats(stats);
-
- return result;
-}
-
-//_____________________________________________________________________________
-Double_t AliMonitorTrend::GetMean() const
-{
-// get the mean value
-
- if (fNumberOfEvents <= 0) return 0;
-
- Double_t sum = 0;
- for (Int_t i = 0; i < fNumberOfEvents; i++) {
- sum += fData[i];
- }
- return sum / fNumberOfEvents;
-}
-
-//_____________________________________________________________________________
-Double_t AliMonitorTrend::GetSigma() const
-{
-// get the rms value
-
- if (fNumberOfEvents <= 0) return 0;
-
- Double_t sum = 0;
- Double_t sum2 = 0;
- for (Int_t i = 0; i < fNumberOfEvents; i++) {
- sum += fData[i];
- sum2 += fData[i] * fData[i];
- }
- return TMath::Sqrt(sum2 - sum*sum/fNumberOfEvents) / fNumberOfEvents;
-}
-
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