    // @(#)root/graf:$Name:  $:$Id: TGraphBentErrors.cxx,v 1.14 2005/03/07 09:15:45 brun Exp $
    // Author: Dave Morrison  30/06/2003

    /*************************************************************************
     * Copyright (C) 1995-2003, Rene Brun and Fons Rademakers.               *
     * All rights reserved.                                                  *
     *                                                                       *
     * For the licensing terms see $ROOTSYS/LICENSE.                         *
     * For the list of contributors see $ROOTSYS/README/CREDITS.             *
     *************************************************************************/

    #include <string.h>

    #include "Riostream.h"
    #include "TROOT.h"
    #include "TGraphBentErrors.h"
    #include "TStyle.h"
    #include "TMath.h"
    #include "TArrow.h"
    #include "TBox.h"
    #include "TVirtualPad.h"
    #include "TF1.h"

    ClassImp(TGraphBentErrors)

    //______________________________________________________________________________
    //
    //   A TGraphBentErrors is a TGraph with bent, assymetric error bars.
    //   The various format options to draw a TGraphBentErrors are explained in
    //     TGraphBentErrors::Paint.
    //
    //  The picture below has been generated by the following macro:
    //  FIXME There are 2 bent error bars in the picture, not one!
    //------------------------------------------------------------------------
    //{
    //   gROOT->Reset();
    //
    //   Int_t n = 10;
    //   Double_t x[n]  = {-0.22, 0.05, 0.25, 0.35, 0.5, 0.61,0.7,0.85,0.89,0.95};
    //   Double_t y[n]  = {1,2.9,5.6,7.4,9,9.6,8.7,6.3,4.5,1};
    //   Double_t exl[n] = {.05,.1,.07,.07,.04,.05,.06,.07,.08,.05};
    //   Double_t eyl[n] = {.8,.7,.6,.5,.4,.4,.5,.6,.7,.8};
    //   Double_t exh[n] = {.02,.08,.05,.05,.03,.03,.04,.05,.06,.03};
    //   Double_t eyh[n] = {.6,.5,.4,.3,.2,.2,.3,.4,.5,.6};
    //   Double_t exld[n] = {.0,.0,.0,.0,.0,.0,.0,.0,.0,.0};
    //   Double_t eyld[n] = {.0,.0,.05,.0,.0,.0,.0,.0,.0,.0};
    //   Double_t exhd[n] = {.0,.0,.0,.0,.0,.0,.0,.0,.0,.0};
    //   Double_t eyhd[n] = {.0,.0,.0,.0,.0,.0,.0,.0,.05,.0};
    //   gr = new TGraphBentErrors(n,x,y,exl,exh,eyl,eyh,exld,exhd,eyld,eyhd);
    //   gr->SetTitle("TGraphBentErrors Example");
    //   gr->SetMarkerColor(4);
    //   gr->SetMarkerStyle(21);
    //   gr->Draw("ALP");
    //}
    //

/* */ //

// //_____________________________________________________________________________ TGraphBentErrors::TGraphBentErrors(): TGraph() { //*-*-*-*-*-*-*-*-*-*-*TGraphBentErrors default constructor*-*-*-*-*-*-*-*-*-* //*-* ===================================== CtorAllocate(); } //______________________________________________________________________________ TGraphBentErrors::TGraphBentErrors(const TGraphBentErrors &gr) : TGraph(gr) { // TGraphBentErrors copy constructor if (!CtorAllocate()) return; Int_t n = fNpoints*sizeof(Double_t); memcpy(fEXlow, gr.fEXlow, n); memcpy(fEYlow, gr.fEYlow, n); memcpy(fEXhigh, gr.fEXhigh, n); memcpy(fEYhigh, gr.fEYhigh, n); memcpy(fEXlowd, gr.fEXlowd, n); memcpy(fEYlowd, gr.fEYlowd, n); memcpy(fEXhighd, gr.fEXhighd, n); memcpy(fEYhighd, gr.fEYhighd, n); } //_____________________________________________________________________________ TGraphBentErrors::TGraphBentErrors(Int_t n) : TGraph(n) { //*-*-*-*-*-*-*-*-*-*-*TGraphBentErrors normal constructor*-*-*-*-*-*-*-*-*-*-* //*-* ==================================== // // the arrays are preset to zero if (!CtorAllocate()) return; FillZero(0, fNpoints); } //_____________________________________________________________________________ TGraphBentErrors::TGraphBentErrors(Int_t n, const Float_t *x, const Float_t *y, const Float_t *exl, const Float_t *exh, const Float_t *eyl, const Float_t *eyh, const Float_t *exld, const Float_t *exhd, const Float_t *eyld, const Float_t *eyhd) : TGraph(n,x,y) { //*-*-*-*-*-*-*-*-*-*-*TGraphBentErrors normal constructor*-*-*-*-*-*-*-*-*-*-* //*-* ==================================== // // if exl,h or eyl,h are null, the corresponding arrays are preset to zero if (!CtorAllocate()) return; for (Int_t i=0;i<n;i++) { if (exl) fEXlow[i] = exl[i]; else fEXlow[i] = 0; if (exh) fEXhigh[i] = exh[i]; else fEXhigh[i] = 0; if (eyl) fEYlow[i] = eyl[i]; else fEYlow[i] = 0; if (eyh) fEYhigh[i] = eyh[i]; else fEYhigh[i] = 0; if (exld) fEXlowd[i] = exld[i]; else fEXlowd[i] = 0; if (exhd) fEXhighd[i] = exhd[i]; else fEXhighd[i] = 0; if (eyld) fEYlowd[i] = eyld[i]; else fEYlowd[i] = 0; if (eyhd) fEYhighd[i] = eyhd[i]; else fEYhighd[i] = 0; } } //_____________________________________________________________________________ TGraphBentErrors::TGraphBentErrors(Int_t n, const Double_t *x, const Double_t *y, const Double_t *exl, const Double_t *exh, const Double_t *eyl, const Double_t *eyh, const Double_t *exld, const Double_t *exhd, const Double_t *eyld, const Double_t *eyhd) : TGraph(n,x,y) { //*-*-*-*-*-*-*-*-*-*-*TGraphBentErrors normal constructor*-*-*-*-*-*-*-*-*-*-* //*-* ==================================== // // if exl,h or eyl,h are null, the corresponding arrays are preset to zero if (!CtorAllocate()) return; n = sizeof(Double_t)*fNpoints; if (exl) memcpy(fEXlow, exl, n); else memset(fEXlow, 0, n); if (exh) memcpy(fEXhigh, exh, n); else memset(fEXhigh, 0, n); if (eyl) memcpy(fEYlow, eyl, n); else memset(fEYlow, 0, n); if (eyh) memcpy(fEYhigh, eyh, n); else memset(fEYhigh, 0, n); if (exld) memcpy(fEXlowd, exld, n); else memset(fEXlowd, 0, n); if (exhd) memcpy(fEXhighd, exhd, n); else memset(fEXhighd, 0, n); if (eyld) memcpy(fEYlowd, eyld, n); else memset(fEYlowd, 0, n); if (eyhd) memcpy(fEYhighd, eyhd, n); else memset(fEYhighd, 0, n); } //_____________________________________________________________________________ TGraphBentErrors::~TGraphBentErrors() { //*-*-*-*-*-*-*-*-*-*-*TGraphBentErrors default destructor*-*-*-*-*-*-*-*-*-*-* //*-* =============================== delete [] fEXlow; delete [] fEXhigh; delete [] fEYlow; delete [] fEYhigh; delete [] fEXlowd; delete [] fEXhighd; delete [] fEYlowd; delete [] fEYhighd; } //_____________________________________________________________________________ void TGraphBentErrors::Apply(TF1 *f) { // apply a function to all data points // y = f(x,y) // // Errors are calculated as eyh = f(x,y+eyh)-f(x,y) and // eyl = f(x,y)-f(x,y-eyl) // // Special treatment has to be applied for the functions where the // role of "up" and "down" is reversed. // function suggested/implemented by Miroslav Helbich <helbich@mail.desy.de> Double_t x,y,exl,exh,eyl,eyh,eyl_new,eyh_new,fxy; for (Int_t i=0;i<GetN();i++) { GetPoint(i,x,y); exl=GetErrorXlow(i); exh=GetErrorXhigh(i); eyl=GetErrorYlow(i); eyh=GetErrorYhigh(i); fxy = f->Eval(x,y); SetPoint(i,x,fxy); // in the case of the functions like y-> -1*y the roles of the // upper and lower error bars is reversed if (f->Eval(x,y-eyl)<f->Eval(x,y+eyh)) { eyl_new = TMath::Abs(fxy - f->Eval(x,y-eyl)); eyh_new = TMath::Abs(f->Eval(x,y+eyh) - fxy); } else { eyh_new = TMath::Abs(fxy - f->Eval(x,y-eyl)); eyl_new = TMath::Abs(f->Eval(x,y+eyh) - fxy); } //error on x doesn't change SetPointError(i,exl,exh,eyl_new,eyh_new); } } //_____________________________________________________________________________ void TGraphBentErrors::ComputeRange(Double_t &xmin, Double_t &ymin, Double_t &xmax, Double_t &ymax) const { for (Int_t i=0;i<fNpoints;i++) { if (fX[i] -fEXlow[i] < xmin) { if (gPad && gPad->GetLogx()) { if (fEXlow[i] < fX[i]) xmin = fX[i]-fEXlow[i]; else xmin = TMath::Min(xmin,fX[i]/3); } else { xmin = fX[i]-fEXlow[i]; } } if (fX[i] +fEXhigh[i] > xmax) xmax = fX[i]+fEXhigh[i]; if (fY[i] -fEYlow[i] < ymin) { if (gPad && gPad->GetLogy()) { if (fEYlow[i] < fY[i]) ymin = fY[i]-fEYlow[i]; else ymin = TMath::Min(ymin,fY[i]/3); } else { ymin = fY[i]-fEYlow[i]; } } if (fY[i] +fEYhigh[i] > ymax) ymax = fY[i]+fEYhigh[i]; } } //______________________________________________________________________________ void TGraphBentErrors::CopyAndRelease(Double_t **newarrays, Int_t ibegin, Int_t iend, Int_t obegin) { CopyPoints(newarrays, ibegin, iend, obegin); if (newarrays) { delete[] fEXlow; fEXlow = newarrays[0]; delete[] fEXhigh; fEXhigh = newarrays[1]; delete[] fEYlow; fEYlow = newarrays[2]; delete[] fEYhigh; fEYhigh = newarrays[3]; delete[] fEXlowd; fEXlowd = newarrays[4]; delete[] fEXhighd; fEXhighd = newarrays[5]; delete[] fEYlowd; fEYlowd = newarrays[6]; delete[] fEYhighd; fEYhighd = newarrays[7]; delete[] fX; fX = newarrays[8]; delete[] fY; fY = newarrays[9]; delete[] newarrays; } } //______________________________________________________________________________ Bool_t TGraphBentErrors::CopyPoints(Double_t **arrays, Int_t ibegin, Int_t iend, Int_t obegin) { // Copy errors from fE*** to arrays[***] // or to f*** Copy points. if (TGraph::CopyPoints(arrays ? arrays+8 : 0, ibegin, iend, obegin)) { Int_t n = (iend - ibegin)*sizeof(Double_t); if (arrays) { memmove(&arrays[0][obegin], &fEXlow[ibegin], n); memmove(&arrays[1][obegin], &fEXhigh[ibegin], n); memmove(&arrays[2][obegin], &fEYlow[ibegin], n); memmove(&arrays[3][obegin], &fEYhigh[ibegin], n); memmove(&arrays[4][obegin], &fEXlowd[ibegin], n); memmove(&arrays[5][obegin], &fEXhighd[ibegin], n); memmove(&arrays[6][obegin], &fEYlowd[ibegin], n); memmove(&arrays[7][obegin], &fEYhighd[ibegin], n); } else { memmove(&fEXlow[obegin], &fEXlow[ibegin], n); memmove(&fEXhigh[obegin], &fEXhigh[ibegin], n); memmove(&fEYlow[obegin], &fEYlow[ibegin], n); memmove(&fEYhigh[obegin], &fEYhigh[ibegin], n); memmove(&fEXlowd[obegin], &fEXlowd[ibegin], n); memmove(&fEXhighd[obegin], &fEXhighd[ibegin], n); memmove(&fEYlowd[obegin], &fEYlowd[ibegin], n); memmove(&fEYhighd[obegin], &fEYhighd[ibegin], n); } return kTRUE; } else { return kFALSE; } } //______________________________________________________________________________ Bool_t TGraphBentErrors::CtorAllocate(void) { // Should be called from ctors after fNpoints has been set if (!fNpoints) { fEXlow = fEYlow = fEXhigh = fEYhigh = 0; fEXlowd = fEYlowd = fEXhighd = fEYhighd = 0; return kFALSE; } fEXlow = new Double_t[fMaxSize]; fEYlow = new Double_t[fMaxSize]; fEXhigh = new Double_t[fMaxSize]; fEYhigh = new Double_t[fMaxSize]; fEXlowd = new Double_t[fMaxSize]; fEYlowd = new Double_t[fMaxSize]; fEXhighd = new Double_t[fMaxSize]; fEYhighd = new Double_t[fMaxSize]; return kTRUE; } //_____________________________________________________________________________ Double_t TGraphBentErrors::GetErrorX(Int_t i) const { // This function is called by GraphFitChisquare. // It returns the error along X at point i. if (i < 0 || i >= fNpoints) return -1; if (!fEXlow && !fEXhigh) return -1; Double_t elow=0, ehigh=0; if (fEXlow) elow = fEXlow[i]; if (fEXhigh) ehigh = fEXhigh[i]; return TMath::Sqrt(0.5*(elow*elow + ehigh*ehigh)); } //_____________________________________________________________________________ Double_t TGraphBentErrors::GetErrorY(Int_t i) const { // This function is called by GraphFitChisquare. // It returns the error along Y at point i. if (i < 0 || i >= fNpoints) return -1; if (!fEYlow && !fEYhigh) return -1; Double_t elow=0, ehigh=0; if (fEYlow) elow = fEYlow[i]; if (fEYhigh) ehigh = fEYhigh[i]; return TMath::Sqrt(0.5*(elow*elow + ehigh*ehigh)); } //______________________________________________________________________________ Double_t TGraphBentErrors::GetErrorXhigh(Int_t i) const { if (i<0 || i>fNpoints) return -1; if (fEXhigh) return fEXhigh[i]; return -1; } //______________________________________________________________________________ Double_t TGraphBentErrors::GetErrorXlow(Int_t i) const { if (i<0 || i>fNpoints) return -1; if (fEXlow) return fEXlow[i]; return -1; } //______________________________________________________________________________ Double_t TGraphBentErrors::GetErrorYhigh(Int_t i) const { if (i<0 || i>fNpoints) return -1; if (fEYhigh) return fEYhigh[i]; return -1; } //______________________________________________________________________________ Double_t TGraphBentErrors::GetErrorYlow(Int_t i) const { if (i<0 || i>fNpoints) return -1; if (fEYlow) return fEYlow[i]; return -1; } //______________________________________________________________________________ void TGraphBentErrors::FillZero(Int_t begin, Int_t end, Bool_t from_ctor) { // Set zero values for point arrays in the range [begin, end) if (!from_ctor) { TGraph::FillZero(begin, end, from_ctor); } Int_t n = (end - begin)*sizeof(Double_t); memset(fEXlow + begin, 0, n); memset(fEXhigh + begin, 0, n); memset(fEYlow + begin, 0, n); memset(fEYhigh + begin, 0, n); memset(fEXlowd + begin, 0, n); memset(fEXhighd + begin, 0, n); memset(fEYlowd + begin, 0, n); memset(fEYhighd + begin, 0, n); } //_____________________________________________________________________________ void TGraphBentErrors::Paint(Option_t *option) { // Paint this TGraphBentErrors with its current attributes // // by default horizonthal and vertical small lines are drawn at // the end of the error bars. if option "z" or "Z" is specified, // these lines are not drawn. // // if option contains ">" an arrow is drawn at the end of the error bars // if option contains "|>" a full arrow is drawn at the end of the error bars // the size of the arrow is set to 2/3 of the marker size. // // By default, error bars are drawn. If option "X" is specified, // the errors are not drawn (TGraph::Paint equivalent). // // if option "[]" is specified only the end vertical/horizonthal lines // of the error bars are drawn. This option is interesting to superimpose // systematic errors on top of a graph with statistical errors. // if option "2" is specified error rectangles are drawn. // // if option "3" is specified a filled area is drawn through the end points > // the vertical error bars. // // if option "4" is specified a smoothed filled area is drawn through the end // points of the vertical error bars. Double_t *xline = 0; Double_t *yline = 0; Int_t if1 = 0; Int_t if2 = 0; const Int_t BASEMARKER=8; Double_t s2x, s2y, symbolsize, sbase; Double_t x, y, xl1, xl2, xr1, xr2, yup1, yup2, ylow1, ylow2, tx, ty; Double_t bxl, bxh, byl, byh; static Float_t cxx[11] = {1,1,0.6,0.6,1,1,0.6,0.5,1,0.6,0.6}; static Float_t cyy[11] = {1,1,1,1,1,1,1,1,1,0.5,0.6}; if (strchr(option,'X') || strchr(option,'x')) {TGraph::Paint(option); return;} Bool_t brackets = kFALSE; if (strstr(option,"[]")) brackets = kTRUE; Bool_t endLines = kTRUE; if (strchr(option,'z')) endLines = kFALSE; if (strchr(option,'Z')) endLines = kFALSE; const char *arrowOpt = 0; if (strchr(option,'>')) arrowOpt = ">"; if (strstr(option,"|>")) arrowOpt = "|>"; Bool_t axis = kFALSE; if (strchr(option,'a')) axis = kTRUE; if (strchr(option,'A')) axis = kTRUE; if (axis) TGraph::Paint(option); Bool_t option2 = kFALSE; Bool_t option3 = kFALSE; Bool_t option4 = kFALSE; if (strchr(option,'2')) option2 = kTRUE; if (strchr(option,'3')) option3 = kTRUE; if (strchr(option,'4')) {option3 = kTRUE; option4 = kTRUE;} if (option3) { xline = new Double_t[2*fNpoints]; yline = new Double_t[2*fNpoints]; if (!xline || !yline) { Error("Paint", "too many points, out of memory"); return; } if1 = 1; if2 = 2*fNpoints; } TAttLine::Modify(); TArrow arrow; arrow.SetLineWidth(GetLineWidth()); arrow.SetLineColor(GetLineColor()); arrow.SetFillColor(GetFillColor()); TBox box; box.SetLineWidth(GetLineWidth()); box.SetLineColor(GetLineColor()); box.SetFillColor(GetFillColor()); symbolsize = GetMarkerSize(); sbase = symbolsize*BASEMARKER; Int_t mark = GetMarkerStyle(); Double_t cx = 0; Double_t cy = 0; if (mark >= 20 && mark < 31) { cx = cxx[mark-20]; cy = cyy[mark-20]; } //*-*- define the offset of the error bars due to the symbol size s2x = gPad->PixeltoX(Int_t(0.5*sbase)) - gPad->PixeltoX(0); s2y =-gPad->PixeltoY(Int_t(0.5*sbase)) + gPad->PixeltoY(0); Int_t dxend = Int_t(gStyle->GetEndErrorSize()); tx = gPad->PixeltoX(dxend) - gPad->PixeltoX(0); ty =-gPad->PixeltoY(dxend) + gPad->PixeltoY(0); Float_t asize = 0.6*symbolsize*BASEMARKER/gPad->GetWh(); gPad->SetBit(kClipFrame, TestBit(kClipFrame)); for (Int_t i=0;i<fNpoints;i++) { x = gPad->XtoPad(fX[i]); y = gPad->YtoPad(fY[i]); bxl = gPad->YtoPad(fY[i]+fEXlowd[i]); bxh = gPad->YtoPad(fY[i]+fEXhighd[i]); byl = gPad->XtoPad(fX[i]+fEYlowd[i]); byh = gPad->XtoPad(fX[i]+fEYhighd[i]); if (x < gPad->GetUxmin()) continue; if (x > gPad->GetUxmax()) continue; if (y < gPad->GetUymin()) continue; if (y > gPad->GetUymax()) continue; // draw the error rectangles if (option2) { box.PaintBox(gPad->XtoPad(fX[i] - fEXlow[i]), gPad->YtoPad(fY[i] - fEYlow[i]), gPad->XtoPad(fX[i] + fEXhigh[i]), gPad->YtoPad(fY[i] + fEYhigh[i])); continue; } // keep points for fill area drawing if (option3) { xline[if1-1] = byh; xline[if2-1] = byl; yline[if1-1] = gPad->YtoPad(fY[i] + fEYhigh[i]); yline[if2-1] = gPad->YtoPad(fY[i] - fEYlow[i]); if1++; if2--; continue; } xl1 = x - s2x*cx; xl2 = gPad->XtoPad(fX[i] - fEXlow[i]); if (xl1 > xl2) { if (arrowOpt) { arrow.PaintArrow(xl1,y,xl2,bxl,asize,arrowOpt); } else { if (!brackets) gPad->PaintLine(xl1,y,xl2,bxl); if (endLines) gPad->PaintLine(xl2,bxl-ty,xl2,bxl+ty); } } xr1 = x + s2x*cx; xr2 = gPad->XtoPad(fX[i] + fEXhigh[i]); if (xr1 < xr2) { if (arrowOpt) { arrow.PaintArrow(xr1,y,xr2,bxh,asize,arrowOpt); } else { if (!brackets) gPad->PaintLine(xr1,y,xr2,bxh); if (endLines) gPad->PaintLine(xr2,bxh-ty,xr2,bxh+ty); } } yup1 = y + s2y*cy; yup2 = gPad->YtoPad(fY[i] + fEYhigh[i]); if (yup2 > gPad->GetUymax()) yup2 = gPad->GetUymax(); if (yup2 > yup1) { if (arrowOpt) { arrow.PaintArrow(x,yup1,byh,yup2,asize,arrowOpt); } else { if (!brackets) gPad->PaintLine(x,yup1,byh,yup2); if (endLines) gPad->PaintLine(byh-tx,yup2,byh+tx,yup2); } } ylow1 = y - s2y*cy; ylow2 = gPad->YtoPad(fY[i] - fEYlow[i]); if (ylow2 < gPad->GetUymin()) ylow2 = gPad->GetUymin(); if (ylow2 < ylow1) { if (arrowOpt) { arrow.PaintArrow(x,ylow1,byl,ylow2,asize,arrowOpt); } else { if (!brackets) gPad->PaintLine(x,ylow1,byl,ylow2); if (endLines) gPad->PaintLine(byl-tx,ylow2,byl+tx,ylow2); } } } if (!brackets && !axis) TGraph::Paint(option); gPad->ResetBit(kClipFrame); if (option3) { Int_t logx = gPad->GetLogx(); Int_t logy = gPad->GetLogy(); gPad->SetLogx(0); gPad->SetLogy(0); if (option4) PaintGraph(2*fNpoints, xline, yline,"FC"); else PaintGraph(2*fNpoints, xline, yline,"F"); gPad->SetLogx(logx); gPad->SetLogy(logy); delete [] xline; delete [] yline; } } //______________________________________________________________________________ void TGraphBentErrors::Print(Option_t *) const { //*-*-*-*-*-*-*-*-*-*-*Print graph and errors values*-*-*-*-*-*-*-*-*-*-*-* //*-* ============================= // for (Int_t i=0;i<fNpoints;i++) { printf("x[%d]=%g, y[%d]=%g, exl[%d]=%g, exh[%d]=%g, eyl[%d]=%g, eyh[%d]=%g\n" ,i,fX[i],i,fY[i],i,fEXlow[i],i,fEXhigh[i],i,fEYlow[i],i,fEYhigh[i]); } } //______________________________________________________________________________ void TGraphBentErrors::SavePrimitive(ofstream &out, Option_t *option) { // Save primitive as a C++ statement(s) on output stream out char quote = '"'; out<<" "<<endl; if (gROOT->ClassSaved(TGraphBentErrors::Class())) { out<<" "; } else { out<<" TGraphBentErrors *"; } out<<"grae = new TGraphBentErrors("<<fNpoints<<");"<<endl; out<<" grae->SetName("<<quote<<GetName()<<quote<<");"<<endl; out<<" grae->SetTitle("<<quote<<GetTitle()<<quote<<");"<<endl; SaveFillAttributes(out,"grae",0,1001); SaveLineAttributes(out,"grae",1,1,1); SaveMarkerAttributes(out,"grae",1,1,1); for (Int_t i=0;i<fNpoints;i++) { out<<" grae->SetPoint("<<i<<","<<fX[i]<<","<<fY[i]<<");"<<endl; out<<" grae->SetPointError("<<i<<","<<fEXlow[i]<<","<<fEXhigh[i]<<","<<fEYlow[i]<<","<<fEYhigh[i]<<");"<<endl; } static Int_t frameNumber = 0; if (fHistogram) { frameNumber++; TString hname = fHistogram->GetName(); hname += frameNumber; fHistogram->SetName(hname.Data()); fHistogram->SavePrimitive(out,"nodraw"); out<<" grae->SetHistogram("<<fHistogram->GetName()<<");"<<endl; out<<" "<<endl; } // save list of functions TIter next(fFunctions); TObject *obj; while ((obj=next())) { obj->SavePrimitive(out,"nodraw"); out<<" grae->GetListOfFunctions()->Add("<<obj->GetName()<<");"<<endl; if (obj->InheritsFrom("TPaveStats")) { out<<" ptstats->SetParent(grae->GetListOfFunctions());"<<endl; } } if (strstr(option,"multigraph")) { out<<" multigraph->Add(grae);"<<endl; return; } out<<" grae->Draw(" <<quote<<option<<quote<<");"<<endl; } //______________________________________________________________________________ void TGraphBentErrors::SetPointError(Double_t exl, Double_t exh, Double_t eyl, Double_t eyh) { //*-*-*-*-*-*-*Set ex and ey values for point pointed by the mouse*-*-*-* //*-* =================================================== Int_t px = gPad->GetEventX(); Int_t py = gPad->GetEventY(); //localize point to be deleted Int_t ipoint = -2; Int_t i; // start with a small window (in case the mouse is very close to one point) for (i=0;i<fNpoints;i++) { Int_t dpx = px - gPad->XtoAbsPixel(gPad->XtoPad(fX[i])); Int_t dpy = py - gPad->YtoAbsPixel(gPad->YtoPad(fY[i])); if (dpx*dpx+dpy*dpy < 25) {ipoint = i; break;} } if (ipoint == -2) return; fEXlow[ipoint] = exl; fEYlow[ipoint] = eyl; fEXhigh[ipoint] = exh; fEYhigh[ipoint] = eyh; gPad->Modified(); } //______________________________________________________________________________ void TGraphBentErrors::SetPointError(Int_t i, Double_t exl, Double_t exh, Double_t eyl, Double_t eyh) { //*-*-*-*-*-*-*-*-*-*-*Set ex and ey values for point number i*-*-*-*-*-*-*-* //*-* ======================================= if (i < 0) return; if (i >= fNpoints) { // re-allocate the object TGraphBentErrors::SetPoint(i,0,0); } fEXlow[i] = exl; fEYlow[i] = eyl; fEXhigh[i] = exh; fEYhigh[i] = eyh; } //_____________________________________________________________________________ void TGraphBentErrors::SwapPoints(Int_t pos1, Int_t pos2) { SwapValues(fEXlow, pos1, pos2); SwapValues(fEXhigh, pos1, pos2); SwapValues(fEYlow, pos1, pos2); SwapValues(fEYhigh, pos1, pos2); SwapValues(fEXlowd, pos1, pos2); SwapValues(fEXhighd, pos1, pos2); SwapValues(fEYlowd, pos1, pos2); SwapValues(fEYhighd, pos1, pos2); TGraph::SwapPoints(pos1, pos2); }