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Reference Guide
latex3.C
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1 /// \file
2 /// \ingroup tutorial_graphics
3 /// \notebook
4 /// Example illustrating a TPaveText with Latex inside.
5 ///
6 /// \macro_image
7 /// \macro_code
8 ///
9 /// \author Rene Brun
10 
11 void latex3() {
12 
13  TCanvas *c1 = new TCanvas("c1");
14  TPaveText *pt = new TPaveText(.05,.1,.95,.8);
15 
16  pt->AddText("#frac{2s}{#pi#alpha^{2}} #frac{d#sigma}{dcos#theta} \
17  (e^{+}e^{-} #rightarrow f#bar{f} ) = #left| #frac{1}{1 - #Delta#alpha} \
18  #right|^{2} (1+cos^{2}#theta)");
19 
20  pt->AddText("+ 4 Re #left{ #frac{2}{1 - #Delta#alpha} #chi(s) \
21  #[]{#hat{g}_{#nu}^{e}#hat{g}_{#nu}^{f} \
22 (1 + cos^{2}#theta) + 2 #hat{g}_{a}^{e}#hat{g}_{a}^{f} cos#theta) } #right}");
23 
24  pt->AddText("+ 16#left|#chi(s)#right|^{2}\
25  #left[(#hat{g}_{a}^{e}^{2} + #hat{g}_{v}^{e}^{2})\
26  (#hat{g}_{a}^{f}^{2} + #hat{g}_{v}^{f}^{2})(1+cos^{2}#theta)\
27  + 8 #hat{g}_{a}^{e} #hat{g}_{a}^{f} #hat{g}_{v}^{e} \
28  #hat{g}_{v}^{f}cos#theta#right] ");
29 
30  pt->SetLabel("Born equation");
31  pt->Draw();
32 }
TPaveText::Draw
virtual void Draw(Option_t *option="")
Draw this pavetext with its current attributes.
Definition: TPaveText.cxx:234
TPaveText::SetLabel
virtual void SetLabel(const char *label)
Definition: TPaveText.h:62
TPaveText::AddText
virtual TText * AddText(Double_t x1, Double_t y1, const char *label)
Add a new Text line to this pavetext at given coordinates.
Definition: TPaveText.cxx:183
TCanvas
Definition: TCanvas.h:23
TPaveText
Definition: TPaveText.h:21
pt
TPaveText * pt
Definition: entrylist_figure1.C:7
c1
return c1
Definition: legend1.C:41