My first PyROOT interactive session
2 from ROOT
import TCanvas, TF1, TPaveLabel, TPad, TText
6 nut =
TCanvas(
'nut',
'FirstSession', 100, 10, 700, 900 )
7 nut.Range( 0, 0, 20, 24 )
11 pl =
TPaveLabel( 3, 22, 17, 23.7,
'My first PyROOT interactive session',
'br' )
15 t =
TText( 0, 0,
'a' )
17 t.SetTextSize( 0.025 )
19 t.DrawText( 2, 20.3,
'PyROOT provides ROOT bindings for Python, a powerful interpreter.' )
20 t.DrawText( 2, 19.3,
'Blocks of lines can be entered typographically.' )
21 t.DrawText( 2, 18.3,
'Previous typed lines can be recalled.' )
24 t.SetTextSize( 0.026 )
25 t.DrawText( 3, 17,
r'>>> x, y = 5, 7' )
26 t.DrawText( 3, 16,
r'>>> import math; x*math.sqrt(y)' )
27 t.DrawText( 3, 14,
r'>>> for i in range(2,7): print "sqrt(%d) = %f" % (i,math.sqrt(i))' )
28 t.DrawText( 3, 10,
r'>>> import ROOT; f1 = ROOT.TF1( "f1", "sin(x)/x", 0, 10 )' )
29 t.DrawText( 3, 9,
r'>>> f1.Draw()' )
31 t.SetTextSize( 0.018 )
32 t.DrawText( 4, 15,
'13.228756555322953' )
33 t.DrawText( 4, 13.3,
'sqrt(2) = 1.414214' )
34 t.DrawText( 4, 12.7,
'sqrt(3) = 1.732051' )
35 t.DrawText( 4, 12.1,
'sqrt(4) = 2.000000' )
36 t.DrawText( 4, 11.5,
'sqrt(5) = 2.236068' )
37 t.DrawText( 4, 10.9,
'sqrt(6) = 2.449490' )
39 pad =
TPad(
'pad',
'pad', .2, .05, .8, .35 )
40 pad.SetFillColor( 42 )
41 pad.SetFrameFillColor( 33 )
42 pad.SetBorderSize( 10 )
47 f1 =
TF1(
'f1',
'sin(x)/x', 0, 10 )
- Author
- Wim Lavrijsen
Definition in file first.py.