python.PyRootLib Namespace Reference

Classes
class	Linear
class	OptionStyle
class	Polynom
class	Style

Functions
def	importRoot (batch=True)
def	setupRootStyle ()
def	rtString (inStr)
	style.SetPadTopMargin(0.05); style.SetPadRightMargin(0.05); style.SetPadBottomMargin(0.16); style.SetPadLeftMargin(0.15); More...

Variables
string	__author__ = 'Sebastien Binet'
string	__doc__ = "a set of classes to ease the day-to-day work with ROOT."
list	_root_files = []
	globals ----------------------------------------------------------------— More...
def	ROOT = importRoot()

Function Documentation

importRoot()

def python.PyRootLib.importRoot

(

batch = True

)

Definition at line 17 of file PyRootLib.py.

def importRoot( batch = True ):
    import os
    import ROOT
    x_display = None
    if batch:
        ROOT.gROOT.SetBatch(True)
        if 'DISPLAY' in os.environ:
            x_display = os.environ['DISPLAY']
            del os.environ['DISPLAY']
 
    
    ROOT.gErrorIgnoreLevel = ROOT.kError
    if ROOT.gROOT.GetVersionInt() >= 51800:
        ROOT.kOrange
        ROOT.kMyBlue    = ROOT.kBlue -4
        ROOT.kMyRed     = ROOT.kRed  -4
        ROOT.kMyGreen   = ROOT.kGreen+1
        ROOT.kDarkGreen = ROOT.kGreen +1
    else:
        ROOT.kOrange    = ROOT.kYellow
        ROOT.kMyBlue    = ROOT.kBlue
        ROOT.kMyRed     = ROOT.kRed
        ROOT.kMyGreen   = ROOT.kGreen+100
        ROOT.kDarkGreen = ROOT.kGreen +100
 
    
    if batch:
        if x_display:
            os.environ['DISPLAY'] = x_display
    #
    # Root has a global dtor ordering problem: the cintex trampolines
    # may be deleted before open files are closed.  Workaround is to explicitly
    # close open files before terminating.
    #
    global _root_files
    def _close_files():
        global _root_files
        for f in _root_files:
            if hasattr (f, 'Close'):
                f.Close()
        del _root_files[0:-1]
        return
    import atexit
    atexit.register(_close_files)
 
    # monkey-patch TFile.Open to populate the _allfiles attribute
    def fopen(*args):
        global _root_files
        f = ROOT.TFile.Open(*args)
        if f not in _root_files:
            _root_files.append(f)
        return f
    ROOT.fopen = fopen
    return ROOT
 

rtString()

def python.PyRootLib.rtString

(

inStr

)

style.SetPadTopMargin(0.05); style.SetPadRightMargin(0.05); style.SetPadBottomMargin(0.16); style.SetPadLeftMargin(0.15);

normalize an input string (ie: it makes sure that it can be used by
ROOT as an id). eg: replaces '/' by '_'.

Definition at line 128 of file PyRootLib.py.

def rtString( inStr ):
    """ normalize an input string (ie: it makes sure that it can be used by
    ROOT as an id). eg: replaces '/' by '_'.
    """
    outStr = inStr\
             .replace( '/', '_' )\
             .replace( ':', '_' )\
             .replace( '#', '_' )
    return outStr
 

setupRootStyle()

def python.PyRootLib.setupRootStyle

(

)

Somehow beautify the ugly default ROOT display style

Definition at line 74 of file PyRootLib.py.

def setupRootStyle():
    """Somehow beautify the ugly default ROOT display style"""
 
    style = ROOT.gROOT.GetStyle( "Plain" )
 
    # no borders, white color
    style.SetCanvasColor(ROOT.kWhite)
    style.SetTitleFillColor(ROOT.kWhite)
    #style.SetTitleBorderSize(0)
 
    # title in the middle
    #style.SetTitleAlign(23)
    style.SetTitleX(0.30)
    style.SetTitleY(0.97)
    style.SetTitleW(0.60)
    #style.SetPadTopMargin(0.15)
    style.SetTitleSize(0.035)
    style.SetTitleOffset(1.1)
    style.SetTitleSize(0.035,"Y")
    style.SetTitleOffset(1.1,"Y")
 
    # canvas stuff
    style.SetCanvasBorderSize(0)
    style.SetCanvasDefH( 800)
    style.SetCanvasDefW(1000)
    style.SetFrameBorderMode(0)
    style.SetFrameBorderSize(0)
 
    style.SetStatX(0.95)
    style.SetStatY(0.9)
    style.SetStatW(0.18)
    style.SetStatH(0.2)
    style.SetStatColor(ROOT.kWhite)
    # style.SetAxisColor( ROOT.kBlack )
    # style.SetAxisColor( ROOT.kBlack, "Y")
    # style.SetLabelColor( ROOT.kBlack )
    # style.SetLabelColor( ROOT.kBlack, "Y" )
    style.SetLabelSize(0.04)
    style.SetLabelSize(0.04,"Y")
 

Variable Documentation

__author__

string python.PyRootLib.__author__ = 'Sebastien Binet'

private

Definition at line 11 of file PyRootLib.py.

__doc__

string python.PyRootLib.__doc__ = "a set of classes to ease the day-to-day work with ROOT."

private

Definition at line 12 of file PyRootLib.py.

_root_files

list python.PyRootLib._root_files = []

private

globals ----------------------------------------------------------------—

Definition at line 15 of file PyRootLib.py.

ROOT

def python.PyRootLib.ROOT = importRoot()

Definition at line 72 of file PyRootLib.py.