LArG4PlottingScript Namespace Reference

Classes
class	PlotEntry
class	RestrictEntry
class	RootFile

Functions
	parseRoots (filename)
	defaultRoots (args)
	parsePlots (filename, varCaption)
	createPlots (plotopts, rootopts)
	fillPlots (plots, plotopts, rootopts, eventVal)
	dividePlots (plots, rootopt1)
	savePlots (plots, output)
	drawPlots (plots, plotopts, rootopts, output, optzero, optmean, opth, optw)

Variables
str	__author__ = 'Radist Morse radist.morse@gmail.com'

Function Documentation

createPlots()

LArG4PlottingScript.createPlots	(		plotopts,
			rootopts )

Definition at line 275 of file LArG4PlottingScript.py.

def createPlots(plotopts,rootopts) :
    from ROOT import TH1D, TProfile,TH2D,TProfile2D
    plots = {}
    #creating histos
    for plotopt in plotopts :
        plots[plotopt] = {}
        for rootopt in rootopts :
            if (plotopt.profile) :
                if (plotopt.i2d) :
                    plot = TProfile2D(str(hash(plotopt))+str(hash(rootopt)),plotopt.display_name,plotopt.nbins[0], 0,0,plotopt.nbins[1], 0,0)
                else:
                    plot = TProfile(str(hash(plotopt))+str(hash(rootopt)),plotopt.display_name,plotopt.nbins, 0,0)
            else :
                if (plotopt.i2d) :
                    plot = TH2D(str(hash(plotopt))+str(hash(rootopt)),plotopt.display_name,plotopt.nbins[0], 0,0,plotopt.nbins[1], 0,0)
                else :
                    plot = TH1D(str(hash(plotopt))+str(hash(rootopt)),plotopt.display_name,plotopt.nbins, 0,0)
            plot.SetBuffer(1000000)
            plots[plotopt][rootopt] = plot
    return plots
 

defaultRoots()

LArG4PlottingScript.defaultRoots

(

args

)

Definition at line 77 of file LArG4PlottingScript.py.

def defaultRoots(args) :
    parsed = []
    colors = [2,4,7,6,3,1]
    thickness = [1,1,1,1,1,1]
    markerstyle = [20,1,0,1,1,1]
    markersize = [0.6,1,1,1,1,1]
    for fn,col,thick,mark1,mark2,legname in zip(args,colors,thickness,markerstyle,markersize,args) :
        rf = RootFile()
        rf.filename    = fn
        rf.color       = col
        rf.thickness   = thick
        rf.markerstyle = mark1
        if (rf.markerstyle > 1) :
            rf.drawopt = "E"
        rf.markersize  = mark2
        rf.legendname  = legname
        parsed.append(rf)
    return parsed
 

dividePlots()

LArG4PlottingScript.dividePlots	(		plots,
			rootopt1 )

Definition at line 404 of file LArG4PlottingScript.py.

def dividePlots(plots,rootopt1) :
    for singplot in plots.itervalues() :
        plot1 = singplot.pop(rootopt1)
        plot1.Sumw2()
        for plot in singplot.itervalues() :
            plot.Sumw2()
            plot.Divide(plot1)
        del plot1
    

drawPlots()

LArG4PlottingScript.drawPlots	(		plots,
			plotopts,
			rootopts,
			output,
			optzero,
			optmean,
			opth,
			optw )

Definition at line 426 of file LArG4PlottingScript.py.

def drawPlots(plots,plotopts,rootopts,output,optzero,optmean,opth,optw) :
    from ROOT import TPostScript, TCanvas, TLegend
    from ROOT import gROOT, gStyle, gPad
    
    gROOT.Reset()
    gROOT.SetStyle("Plain")
    gStyle.SetOptStat(0)
    gStyle.SetPalette(1)
    
    leg = TLegend(0.54,0.71,0.9,0.9)
    
    leg.SetLineColor(1)
    leg.SetLineStyle(1)
    leg.SetLineWidth(1)
    leg.SetFillColor(10)
    leg.SetFillStyle(0)
    leg.SetBorderSize(0)
    
    
    if output != "DISPLAY" :
        ps = TPostScript(output,111)
        ps.NewPage()
    canv = TCanvas( 'c1', "Validation Plot Viewer",600,800)
    canv.Divide(opth, optw)
    maxperlist = opth * optw
    
    #current pad
    num = 0
    #for stupid drawing system
    legends = []
    
    #drawing hists
    for plotopt in plotopts :
        print ("Drawing",plotopt.display_name)
        num += 1
        if (num > maxperlist and output != "DISPLAY") : #end of a current PS page
            ps.NewPage()
            print ("new page")
            num = 1
        canv.cd(num)
        gPad.SetLogy(plotopt.logy)
        leg.Clear()
        
        entries = {}
        valuemax = -999999.9
        entryZ = 0
        
        for rootopt in rootopts : #get the max entries
            entries[rootopt] = plots[plotopt][rootopt].GetEntries()
            if (plots[plotopt][rootopt].GetEntries() > entryZ) :
                entryZ = plots[plotopt][rootopt].GetEntries()
 
        for rootopt in rootopts : #get the max entries
            plot = plots[plotopt][rootopt]
            if (plotopt.profile) :
                print (rootopt.legendname,"is a profile: no need to scale")
            else :
                if not (entries[rootopt] == 0) :
                    print ("scaling",rootopt.legendname,"to",entryZ/entries[rootopt])
                    plot.Scale(entryZ/entries[rootopt])
                else :
                    print (rootopt.legendname,"is an empty hist, no scale")
 
        for rootopt in rootopts : #get the highest peak
            if (plots[plotopt][rootopt].GetMaximum() > valuemax) :
                valuemax = plots[plotopt][rootopt].GetMaximum()
                entryZ = plots[plotopt][rootopt].GetEntries()
        
        sameDrawOpt = ""
        #now we plot all fillers, as otherwise they will render invisible everything behind them
        for rootopt in rootopts :
            if (rootopt.markerstyle > 0) : #not filler
                continue
            plot = plots[plotopt][rootopt]
            print ("Drawing filler from",rootopt.legendname)
            if optzero :
                if (plotopt.logy == 1) :
                    plot.SetMinimum(1.0)
                else :
                    plot.SetMinimum(0.0)
            plot.SetMaximum(valuemax * 1.1)
            plot.GetXaxis().SetTitle(plotopt.axis_captions[plotopt.vars_to_draw[0].lstrip("+")])
            if len(plotopt.vars_to_draw) > 1 :
                plot.GetYaxis().SetTitle(plotopt.axis_captions[plotopt.vars_to_draw[1].lstrip("+")])
            if (plotopt.i2d) :
                plot.Draw("CONT4Z "+sameDrawOpt)
            else :
                plot.Draw(rootopt.drawopt+sameDrawOpt)
            sameDrawOpt = " SAME"
        #plot the rest & fill the legend in the normal order
        for rootopt in rootopts :
            plot = plots[plotopt][rootopt]
            prname = rootopt.legendname
            if optmean and (not plotopt.profile):
                prname += " (mean: "+("%.4f" %plot.GetMean())+")"
            leg.AddEntry(plot,prname,"L")
            if (rootopt.markerstyle == 0) : #filler
                continue #fillers are already drawn
            print ("Drawing plot from",rootopt.legendname)
            if optzero :
                if (plotopt.logy == 1) :
                    plot.SetMinimum(1.0)
                else :
                    plot.SetMinimum(0.0)
            plot.SetMaximum(valuemax * 1.1)
            plot.GetXaxis().SetTitle(plotopt.axis_captions[plotopt.vars_to_draw[0].lstrip("+")])
            if len(plotopt.vars_to_draw) > 1 :
                plot.GetYaxis().SetTitle(plotopt.axis_captions[plotopt.vars_to_draw[1].lstrip("+")])
            if (plotopt.i2d) :
                plot.Draw("CONT4Z "+sameDrawOpt)
            else :
                plot.Draw(rootopt.drawopt+sameDrawOpt)
            sameDrawOpt = " SAME"
        if not plotopt.i2d:
            legends.append(leg.Clone())
            legends[len(legends)-1].Draw()
        canv.Update()
    if output != "DISPLAY" :
        canv.Close()
        ps.Close()
    return canv,legends

fillPlots()

LArG4PlottingScript.fillPlots	(		plots,
			plotopts,
			rootopts,
			eventVal )

Definition at line 296 of file LArG4PlottingScript.py.

def fillPlots(plots,plotopts,rootopts,eventVal) :
    listmin = {}
    listmax = {}
    listmin2 = {}
    listmax2 = {}
    for plotopt in plotopts :
        listmin[plotopt] = 99999.9
        listmax[plotopt] = -99999.9
        listmin2[plotopt] = 99999.9
        listmax2[plotopt] = -99999.9
    for rootopt in rootopts :
        for event in rootopt.tree :
            for plotopt in plotopts :
                inrange = True
                # deal with restrictions
                if (len(plotopt.restricts) > 0) : #there are restricts for this plot
                    for rest in plotopt.restricts :
                        eventval = eventVal(event,rest.var) #first try to find in the provided aliases
                        if (eventval == "False") :
                            try: #then try the event itself
                                eventval = event.__getattr__(rest.var)
                            except AttributeError: #nothing found
                                print ("ERROR: Non-existent variable in plot restrict:", rest.var)
                                import sys
                                sys.exit(1)
                        if not rest.checkVar(eventval) : #variable is not in the range list
                            inrange = False
                            break
                if (len(rootopt.restricts) > 0) : #there are restricts for this rootfile
                    for rest in rootopt.restricts :
                        eventval = eventVal(event,rest.var) #first try to find in the provided aliases
                        if (eventval == "False") :
                            try: #then try the event itself
                                eventval = event.__getattr__(rest.var)
                            except Exception: #nothing found
                                print ("ERROR: Non-existent variable in rootfile restrict:", rest.var)
                                import sys
                                sys.exit(1)
                        if not rest.checkVar(eventval) : #variable is not in the range list
                            inrange = False
                            break
                if (not inrange) :
                    continue #this event in this plot is outside restriction
                plot = plots[plotopt][rootopt]
                plotvars = plotopt.vars_to_draw
                eventvals = []
                # extracting values from root
                for plotvar in plotvars : # one for hist1D, two for hist2D and prof1D, three for prof2D
                    sign = 1
                    locvar = plotvar
                    if plotvar.startswith("+") :
                        locvar = plotvar.lstrip("+")
                        sign = -1
                    eventval = eventVal(event,locvar) #first try to find in the provided aliases
                    if (eventval == "False") :
                        try: #then try the event itself
                            eventval = event.__getattr__(locvar)
                        except AttributeError: #nothing found
                            print ("ERROR: Non-existent variable:", locvar)
                            import sys
                            sys.exit(1)
                    if (eventval < 0) :
                        eventval *= sign
                    eventvals.append(eventval)
                if (plotopt.profile) : #profile
                    if (plotopt.i2d) :
                        plot.Fill(eventvals[0],eventvals[1],eventvals[2])
                    else :
                        plot.Fill(eventvals[0],eventvals[1])
                else : #hist
                    if (plotopt.i2d) :
                        plot.Fill(eventvals[0],eventvals[1])
                    else :
                        plot.Fill(eventvals[0])
                # set limits. we pick the limits closest to the given (if provided)
                if (eventvals[0] < plotopt.givenmax) or (plotopt.givenmin == plotopt.givenmax) :
                    listmax[plotopt] = max(listmax[plotopt], eventvals[0])
                if (eventvals[0] > plotopt.givenmin) or (plotopt.givenmin == plotopt.givenmax) :
                    listmin[plotopt] = min(listmin[plotopt], eventvals[0])
                if (plotopt.i2d) :
                    if (eventvals[1] < plotopt.givenmax) or (plotopt.givenmin == plotopt.givenmax) :
                        listmax2[plotopt] = max(listmax2[plotopt], eventvals[1])
                    if (eventvals[1] > plotopt.givenmin) or (plotopt.givenmin == plotopt.givenmax) :
                        listmin2[plotopt] = min(listmin2[plotopt], eventvals[1])
        #eye candy
        for plotopt in plotopts :
            if (plotopt.i2d) :
                pass #no "markers" for 2d stuff
            else :
                plot = plots[plotopt][rootopt]
                plot.SetLineColor(rootopt.color)
                plot.SetLineWidth(rootopt.thickness)
                if rootopt.markerstyle > 0 :
                    plot.SetMarkerStyle(rootopt.markerstyle)
                else :
                    plot.SetMarkerStyle(1)
                    plot.SetFillColor(rootopt.color)
                    #fillers[hname] = n
                plot.SetMarkerSize(rootopt.markersize)
                plot.SetMarkerColor(rootopt.color)
    #setting limits & emptying buffer
    for plotopt in plotopts :
        for plot in plots[plotopt].itervalues() :
            plot.GetXaxis().SetLimits(listmin[plotopt],listmax[plotopt])
            if (plotopt.i2d) :
                plot.GetYaxis().SetLimits(listmin2[plotopt],listmax2[plotopt])
            plot.BufferEmpty(1)
 

parsePlots()

LArG4PlottingScript.parsePlots	(		filename,
			varCaption )

Definition at line 152 of file LArG4PlottingScript.py.

def parsePlots(filename,varCaption) :
    inputfile=open(filename)
    parsedPlots = []
    parsedRestricts = []
    for line in inputfile :
        line = line.expandtabs(1)
        line = line.rstrip("\n")
        line = line.split("#")[0] #everything after "#" is a comment. just like here :)
        line = line.split(" ")
        line[:] = [x for x in line if (len(x) > 0) ] #remove empty elements
        if len(line) == 0 : #the whole line is a comment, empty, or just spaces
            continue
        pe = PlotEntry()
        if line[0] == "hist" :
            pe.vars_to_draw.append(line[1])
            pe.givenmin     = float(line[2])
            pe.givenmax     = float(line[3])
            pe.nbins        = int(line[4])
            pe.logy         = int(line[5])
            pe.display_name = " ".join(line[6:])
            for var in pe.vars_to_draw :
                varcap = varCaption(var.lstrip("+"))
                if (varcap == "") :
                    varcap = var.lstrip("+")
                pe.axis_captions[var.lstrip("+")]=varcap
            if (pe.vars_to_draw[0].startswith("+")) and ((pe.givenmin < 0) or (pe.givenmax < 0)) :
                print ("WARNING: Boundaries are less the zero, while the variable is absolute. Ignore.")
                pe.givenmin = 0.0
                pe.givenmax = 0.0
            print ("Found 1D histogram:",pe.vars_to_draw[0],[pe.givenmin,pe.givenmax])
            parsedPlots.append(pe)
        elif line[0] == "prof" :
            pe.vars_to_draw.extend(line[1:3])
            pe.givenmin     = float(line[3])
            pe.givenmax     = float(line[4])
            pe.nbins        = int(line[5])
            pe.logy         = int(line[6])
            pe.display_name = " ".join(line[7:])
            pe.profile = True
            for var in pe.vars_to_draw :
                varcap = varCaption(var.lstrip("+"))
                if (varcap == "") :
                    varcap = var.lstrip("+")
                pe.axis_captions[var.lstrip("+")]=varcap
            if (pe.vars_to_draw[0].startswith("+")) and ((pe.givenmin < 0) or (pe.givenmax < 0)) :
                print ("WARNING: Boundaries are less the zero, while the variable is absolute. Ignore.")
                pe.givenmin = 0.0
                pe.givenmax = 0.0
            print ("Found 1D profile:",pe.vars_to_draw[1],"vs",pe.vars_to_draw[0],[pe.givenmin,pe.givenmax])
            parsedPlots.append(pe)
        elif line[0] == "hist2d" :
            pe = PlotEntry()
            pe.vars_to_draw.extend(line[1:3])
            pe.givenmin     = 0
            pe.givenmax     = 0
            pe.nbins        = [int(line[3]), int(line[4])]
            pe.logy         = 0
            pe.display_name = " ".join(line[5:])
            pe.i2d = True
            for var in pe.vars_to_draw :
                varcap = varCaption(var.lstrip("+"))
                if (varcap == "") :
                    varcap = var.lstrip("+")
                pe.axis_captions[var.lstrip("+")]=varcap
            print ("Found 2D histogram:",pe.vars_to_draw)
            parsedPlots.append(pe)
        elif line[0] == "prof2d" :
            pe.vars_to_draw.extend(line[1:4])
            pe.givenmin     = 0
            pe.givenmax     = 0
            pe.nbins        = [int(line[4]), int(line[5])]
            pe.logy         = 0
            pe.display_name = " ".join(line[6:])
            pe.profile = True
            pe.i2d = True
            for var in pe.vars_to_draw :
                varcap = varCaption(var.lstrip("+"))
                if (varcap == "") :
                    varcap = var.lstrip("+")
                pe.axis_captions[var.lstrip("+")]=varcap
            print ("Found 2D profile:",pe.vars_to_draw[2],"vs",pe.vars_to_draw[0:2])
            parsedPlots.append(pe)
        elif line[0] == "restrict" :
            re = RestrictEntry()
            abs = False
            if line[1].startswith("+") :
                abs = True
                line[1] = line[1][1:]
            re.var = line[1]
            for rang in line[2:] :
                if abs :
                    re.addRangeAbs(rang)
                else :
                    re.addRange(rang)
            if (len(parsedPlots) > 0) : #there already was a plot, adding restriction to it
                rstrict = parsedPlots[-1].restricts #the last parsed plot
            else : #no plots yet. this is a global restriction
                rstrict = parsedRestricts
            for rech in rstrict :
                if (rech.var == re.var) : #there is already a restriction on a given variable. just add ranges
                    rech.rangeList += re.rangeList
                    re.rangeList = []
            if (len(re.rangeList) > 0) : #no restriction for this variable yet. add it.
                print ("A restriction found for variable",str(re))
                rstrict.append(re)
        elif line[0] == "axisname" :
            if (len(parsedPlots) == 0) : #no plots yet. drop the name
                print ("WARNING: axisname shouldn't be before plots")
                continue
            parsedPlots[-1].axis_captions[line[1].lstrip("+")] = " ".join(line[2:]).replace("%","#")
        else :
            print ("WARNING: unknown key:", line[0])
            continue
    for pe in parsedPlots : #apply global restrictions on every plot
        for re in parsedRestricts :
            for rech in pe.restricts :
                if (rech.var == re.var) :
                    rech.rangeList += re.rangeList
                    re.rangeList = []
            if (len(re.rangeList) > 0) :
                pe.restricts.append(re)
    return parsedPlots
 

parseRoots()

LArG4PlottingScript.parseRoots

(

filename

)

Definition at line 17 of file LArG4PlottingScript.py.

def parseRoots(filename) :
    inputfile=open(filename)
    parsedRoots = []
    parsedRestricts = []
    for line in inputfile :
        line = line.expandtabs(1)
        line = line.rstrip("\n")
        line = line.split("#")[0] #everything after "#" is a comment. just like here :)
        line = line.split()
        line[:] = [x for x in line if (len(x) > 0) ] #remove empty elements
        if len(line) == 0 : #the whole line is a comment, empty, or just spaces
            continue
        rf = RootFile()
        if line[0] == "file" :
            rf.filename    = line[1]
            rf.color       = int(line[2])
            rf.thickness   = int(line[3])
            rf.markerstyle = int(line[4])
            if (rf.markerstyle > 1) :
                rf.drawopt = "E"
            rf.markersize  = float(line[5])
            rf.legendname  = " ".join(line[6:])
            parsedRoots.append(rf)
            print ("Found rootfile '"+rf.filename+"' added as '"+rf.legendname+"'")
        if line[0] == "restrict" :
            re = RestrictEntry()
            abs = False
            if line[1].startswith("+") :
                abs = True
                line[1] = line[1][1:]
            re.var = line[1]
            for rang in line[2:] :
                if abs :
                    re.addRangeAbs(rang)
                else :
                    re.addRange(rang)
            if (len(parsedRoots) > 0) : #there already was a rootfile, adding restriction to it
                rstrict = parsedRoots[-1].restricts #the last parsed rootfile
            else : #no roots yet. this is a global restriction
                rstrict = parsedRestricts
            for rech in rstrict :
                if (rech.var == re.var) : #there is already a restriction on a given variable. just add ranges
                    rech.rangeList += re.rangeList
                    re.rangeList = []
            if (len(re.rangeList) > 0) : #no restriction for this variable yet. add it.
                print ("A restriction found for variable",str(re))
                rstrict.append(re)
        else :
            print ("WARNING: unknown key:", line[0])
            continue
    for pr in parsedRoots : #apply global restrictions on every plot
        for re in parsedRestricts :
            for rech in pr.restricts :
                if (rech.var == re.var) :
                    rech.rangeList += re.rangeList
                    re.rangeList = []
            if (len(re.rangeList) > 0) :
                pr.restricts.append(re)
    return parsedRoots
 

savePlots()

LArG4PlottingScript.savePlots	(		plots,
			output )

Definition at line 413 of file LArG4PlottingScript.py.

def savePlots(plots,output):
    from ROOT import TFile
    
    rootfile = TFile(output,"RECREATE")
    
    for plotopt, pls in plots.iteritems() :
        rootfile.cd(output+":/")
        rootfile.mkdir("_".join(plotopt.vars_to_draw)+"/")
        rootfile.cd(output+":/"+"_".join(plotopt.vars_to_draw)+"/")
        for rootopt, plot in pls.iteritems() :
            plot.Write("_".join(plotopt.vars_to_draw))
    rootfile.Close
 

Variable Documentation

__author__

str LArG4PlottingScript.__author__ = 'Radist Morse radist.morse@gmail.com'

private

Definition at line 4 of file LArG4PlottingScript.py.