ROOT
v6-24
Reference Guide
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rootenv.C File Reference
Tutorials
»
Legacy tutorials
Detailed Description
Produce a picture of the
ROOT
environment.
{
gROOT
->Reset();
c1
=
new
TCanvas
(
"c1"
,
"ROOT Environment Canvas"
,720,840);
c1
->Range(0,-0.25,19,29);
TPaveLabel
title(3,27.1,15,28.7,
"ROOT Environment and Tools"
);
title.SetFillColor(42);
title.SetTextColor(5);
title.SetTextFont(62);
title.Draw();
//
TArrow
ardash(2,15,2,3.5,0.015,
"|>"
);
ardash.SetLineStyle(2);
ardash.SetFillColor(1);
ardash.Draw();
TLine
l1(2.5,4.5,15.5,4.5);
l1.Draw();
l1.DrawLine(4.5,15,4.5,11);
l1.DrawLine(13,10,13,15.5);
l1.DrawLine(14,10,13,10);
l1.DrawLine(14,15.5,13,15.5);
TArrow
ar(9,23,9,21.6,0.015,
"|>"
);
ar.SetFillColor(1);
//
TPavesText
UserChtml(0.5,0.5,4.5,3,5,
"tr"
);
UserChtml.AddText(
"Files with hyperlinks"
);
TText
*
t1
=UserChtml.AddText(
"*User.C.html"
);
TText
*t2=UserChtml.AddText(
"*User.mac.html"
);
t1
->
SetTextColor
(4);
t2->
SetTextColor
(4);
UserChtml.Draw();
ar.DrawArrow(2.5,4.5,2.5,3.5,0.015,
"|>"
);
//
TPavesText
UserTree(7,0.5,11,3,5,
"tr"
);
UserTree.AddText(
"Dictionary"
);
UserTree.AddText(
"Inheritance graphs"
);
TText
*t3=UserTree.AddText(
"*User_Tree.ps"
);
t3->
SetTextColor
(4);
UserTree.Draw();
ar.DrawArrow(9,5.5,9,3.5,0.015,
"|>"
);
//
TPavesText
Userhtml(13.5,0.5,17.5,3,5,
"tr"
);
Userhtml.AddText(
"Class Description"
);
Userhtml.AddText(
"with references"
);
TText
*t4=Userhtml.AddText(
"*User.html"
);
t4->
SetTextColor
(4);
Userhtml.Draw();
ar.DrawArrow(15.5,4.5,15.5,3.5,0.015,
"|>"
);
//
TPavesText
Macros(0.5,8,3.5,11,5,
"tr"
);
Macros.AddText(
"Macros"
);
Macros.AddText(
"Log files"
);
TText
*t5=Macros.AddText(
"*User.mac"
);
TText
*t5a=Macros.AddText(
"*User.log"
);
t5->
SetTextColor
(4);
t5a->
SetTextColor
(4);
Macros.Draw();
//
TPavesText
UserC(1,15,5,18,5,
"tr"
);
UserC.AddText(
"C++ application"
);
UserC.AddText(
"source code"
);
TText
*t6=UserC.AddText(
"*User.C"
);
t6->
SetTextColor
(4);
UserC.Draw();
ar.DrawArrow(4.5,11,5.8,11,0.015,
"|>"
);
//
TPavesText
Userh(6,23,12,26,5,
"tr"
);
Userh.AddText(
"C++ header files"
);
TText
*t7=Userh.AddText(
"*User.h"
);
t7->
SetTextColor
(4);
Userh.SetFillColor(11);
Userh.Draw();
ar.DrawArrow(9,23,9,21.6,0.015,
"|>"
);
//
TPavesText
UserUI(6.5,14,11.5,17,5,
"tr"
);
UserUI.AddText(
"C++ code for"
);
UserUI.AddText(
"User Interface and I/O"
);
TText
*t8=UserUI.AddText(
"*UserUI.C"
);
t8->
SetTextColor
(4);
UserUI.Draw();
ar.DrawArrow(9,18.5,9,17.3,0.015,
"|>"
);
ar.DrawArrow(9,14,9,12.6,0.015,
"|>"
);
//
TPavesText
Usersl(14,14,17.5,17,5,
"tr"
);
Usersl.AddText(
"User"
);
Usersl.AddText(
"Libraries"
);
TText
*t9=Usersl.AddText(
"*User.sl"
);
t9->
SetTextColor
(4);
Usersl.Draw();
ar.DrawArrow(13,11,12.1,11,0.015,
"|>"
);
//
TPavesText
Rootlib(14,8.5,17.5,11.5,5,
"tr"
);
Rootlib.AddText(
"Root Library"
);
Rootlib.AddText(
"and Includes"
);
TText
*t10=Rootlib.AddText(
"Root.sl"
);
TText
*t11=Rootlib.AddText(
"Root/include"
);
t10->
SetTextColor
(4);
t11->
SetTextColor
(4);
Rootlib.Draw();
//
TEllipse
dict(9,20,3,1.5);
dict.SetFillColor(43);
dict.SetFillStyle(1001);
dict.SetLineColor(1);
dict.SetLineWidth(3);
dict.Draw();
TText
gen(9,20.7,
"rootcint"
);
gen.SetTextAlign(22);
gen.SetTextSize(0.025);
gen.Draw();
gen.DrawText(9,19.5,
"ROOT compiler"
);
ar.DrawArrow(9,18.5,9,17.3,0.015,
"|>"
);
//
TEllipse
compiler(9,11,3,1.5);
compiler.SetFillColor(43);
compiler.SetFillStyle(1001);
compiler.SetLineColor(1);
compiler.SetLineWidth(3);
compiler.Draw();
TText
gen2(9,11.4,
"C++ compiler"
);
gen2.SetTextAlign(22);
gen2.SetTextSize(0.025);
gen2.Draw();
gen2.DrawText(9,10.3,
"and Linker"
);
ar.DrawArrow(9,9.5,9,8.2,0.015,
"|>"
);
//
TPaveText
exe(6,5.5,12,8);
exe.SetFillColor(41);
exe.AddText(
"ROOT-based Application"
);
exe.AddText(
"Interactive or Batch"
);
TText
*t12=exe.AddText(
"User.exe"
);
t12->
SetTextColor
(2);
exe.Draw();
c1
->Modified();
c1
->Print(
"rootenv.ps"
);
}
gROOT
#define gROOT
Definition
TROOT.h:406
TArrow
Draw all kinds of Arrows.
Definition
TArrow.h:29
TAttText::SetTextColor
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Definition
TAttText.h:43
TCanvas
The Canvas class.
Definition
TCanvas.h:23
TEllipse
Draw Ellipses.
Definition
TEllipse.h:23
TLine
A simple line.
Definition
TLine.h:22
TPaveLabel
A Pave (see TPave) with a text centered in the Pave.
Definition
TPaveLabel.h:20
TPaveText
A Pave (see TPave) with text, lines or/and boxes inside.
Definition
TPaveText.h:21
TPavesText
A PaveText (see TPaveText) with several stacked paves.
Definition
TPavesText.h:18
TText
Base class for several text objects.
Definition
TText.h:22
c1
return c1
Definition
legend1.C:41
t1
auto * t1
Definition
textangle.C:20
Author
Rene Brun
Definition in file
rootenv.C
.
tutorials
legacy
rootenv.C
ROOT v6-24 - Reference Guide Generated on Tue Aug 22 2023 03:07:16 (GVA Time) using Doxygen 1.9.8