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/Go4Fit/TGo4FitDataGraph.cxx

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#include "TGo4FitDataGraph.h"

#include <iostream.h>
#include "TGraphErrors.h"
#include "TGraphAsymmErrors.h"
#include "TArrayD.h"

TGo4FitDataGraph::TGo4FitDataGraph() :
  TGo4FitData(), fxGraph(this, TGraph::Class()) {
}

TGo4FitDataGraph::TGo4FitDataGraph(const char* iName, TGraph *iGraph, Bool_t iGraphOwned, Bool_t AddAmpl) :
  TGo4FitData(iName,"TGraph and derived classes", dtGraph, AddAmpl),
  fxGraph("Graph","Data object of TGraph class",this, TGraph::Class(), kTRUE, iGraph, iGraphOwned) {
    SetExcludeLessThen(-1e50);
}

TGo4FitDataGraph::~TGo4FitDataGraph() {
}

TGo4FitDataIter* TGo4FitDataGraph::MakeIter() {
   return new TGo4FitDataGraphIter(this);
}

void TGo4FitDataGraph::FillSlotList(TSeqCollection* list) {
   TGo4FitData::FillSlotList(list);
   list->Add(&fxGraph);
}

void TGo4FitDataGraph::Print(Option_t* option) const {
   TGo4FitData::Print(option);
   cout << "   ";
   fxGraph.Print(option);
}

ClassImp(TGo4FitDataGraph)


// *********************************************************************************


TGo4FitDataGraphIter::TGo4FitDataGraphIter() : TGo4FitDataIter(), fxData(0), fiNumPoints(0) {

}

TGo4FitDataGraphIter::TGo4FitDataGraphIter(TGo4FitDataGraph* Data) :
  TGo4FitDataIter(), fxData(Data), fiNumPoints(0) {
}

TGo4FitDataGraphIter::~TGo4FitDataGraphIter() {

}

Bool_t TGo4FitDataGraphIter::StartReset() {
  if ((fxData==0) || (fxData->GetGraph()==0)) return kFALSE;

  fiNumPoints = fxData->GetGraph()->GetN();

  return ReserveArrays(1, 1, kFALSE);
}

Bool_t TGo4FitDataGraphIter::ReadCurrentPoint() {
   if (fxData==0) return kFALSE;
   TGraph* gr = fxData->GetGraph();
   if (gr==0) return kFALSE;

   Double_t xvalue = (gr->GetX())[fxIndexes[0]];
   fdValue = (gr->GetY())[fxIndexes[0]];

   if (!GetDeviation()) {
      Double_t zn = gr->GetErrorY(fxIndexes[0]);
      if (zn>0) fdStandardDeviation = zn*zn;
           else fdStandardDeviation = 1.;
   }

   return ProduceScales(fxIndexes.GetArray(), &xvalue, 0);
}

Bool_t TGo4FitDataGraphIter::ShiftToNextPoint() {
   fxIndexes[0]+=1;
   return (fxIndexes[0]<fiNumPoints);
}

ClassImp(TGo4FitDataGraphIter)

//----------------------------END OF GO4 SOURCE FILE ---------------------

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