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Patches #39

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Patches #39

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9291cb2
TGraph: added appendPoint
Nov 17, 2014
82df299
TGraph: added RemoveAllPoints
Nov 17, 2014
30a6286
improved TGraph::RemoveAllPoints()
Nov 25, 2014
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2 changes: 2 additions & 0 deletions hist/hist/inc/TGraph.h
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,7 @@ class TGraph : public TNamed, public TAttLine, public TAttFill, public TAttMarke
TGraph(const char *filename, const char *format="%lg %lg", Option_t *option="");
virtual ~TGraph();

virtual void AppendPoint(Double_t x, Double_t y);
virtual void Apply(TF1 *f);
virtual void Browse(TBrowser *b);
virtual Double_t Chisquare(TF1 *f1, Option_t *option="") const;
Expand Down Expand Up @@ -172,6 +173,7 @@ class TGraph : public TNamed, public TAttLine, public TAttFill, public TAttMarke
virtual void RecursiveRemove(TObject *obj);
virtual Int_t RemovePoint(); // *MENU*
virtual Int_t RemovePoint(Int_t ipoint);
virtual void RemoveAllPoints();
virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
virtual void SetEditable(Bool_t editable=kTRUE); // *TOGGLE* *GETTER=GetEditable
virtual void SetHistogram(TH1F *h) {fHistogram = h;}
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22 changes: 22 additions & 0 deletions hist/hist/src/TGraph.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -553,6 +553,11 @@ Double_t** TGraph::AllocateArrays(Int_t Narrays, Int_t arraySize)
return newarrays;
}

//______________________________________________________________________________
void TGraph::AppendPoint(Double_t x, Double_t y)
{
SetPoint(fNpoints, x, y);
}

//______________________________________________________________________________
void TGraph::Apply(TF1 *f)
Expand Down Expand Up @@ -2108,6 +2113,23 @@ Int_t TGraph::RemovePoint(Int_t ipoint)
return ipoint;
}

//______________________________________________________________________________
void TGraph::RemoveAllPoints()
{
if (fNpoints <= 0) {
return;
}

fNpoints = 0;
fMaxSize = 0;
delete[] fX;
fX = 0;
delete[] fY;
fY = 0;
if (gPad) {
gPad->Modified();
}
}

//______________________________________________________________________________
void TGraph::SavePrimitive(std::ostream &out, Option_t *option /*= ""*/)
Expand Down