Import Geant4 4.1.0 source tree

examples/advanced/underground_physics/DMX.py

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+global tree, hf
+
+tree = tf.create("gamma_2000.his",1,1,"hbook")
+tree.thisown=1
+hf = af.createHistogramFactory(tree)
+
+# ... and load them into memory:
+hEsource       = tree.findH1D("10")
+hDeposit       = tree.findH1D("20")
+hNuclearDep    = tree.findH1D("30")
+hNumberPhLow   = tree.findH1D("40")
+hNumberPhHigh  = tree.findH1D("50")
+hPhArrivalTime = tree.findH1D("60")
+
+# set plotter to 3*2 zones
+pl.createRegions(3,2)
+
+# ... and plot the histograms
+pl.plot(hEsource      ) ; pl.show() ; pl.next()
+pl.plot(hDeposit      ) ; pl.show() ; pl.next()
+pl.plot(hNuclearDep   ) ; pl.show() ; pl.next()
+pl.plot(hNumberPhLow  ) ; pl.show() ; pl.next()
+pl.plot(hNumberPhHigh ) ; pl.show() ; pl.next()
+pl.plot(hPhArrivalTime) ; pl.show() ; pl.next()
+
+wait()
+
+# reset number of zones
+pl.createRegions(2,1)
+
+# helper function
+def nplot(tup, col, cut, xmin, xmax, nbins=100):
+  global hf
+  h1 = hf.create1D("1000000","temp hist", nbins, xmin, xmax)
+  colId = tup.findColumn(col)
+  bNextRow=tup.start()                                         # Looping over the tuple entries
+  while bNextRow:
+    h1.fill(tup.getFloat(colId))
+    bNextRow=tup.next()                                        # Retrieving the subsequent row
+  pl.plot(h1) ; pl.show() ; pl.next()
+  tree.rm("1000000")
+  return
+
+# get the primary ntuple from the NtupleManager
+nt1 = tree.findTuple("3" )
+
+# plot a few quantities using the shortcut
+nplot(nt1,"tot_e"  ,"",0.,20.)
+nplot(nt1,"xe_time","",0.,100.)
+
+# prompt user for <return>
+wait()
+
+# get the secondaries ntuple and plot a few attributes from it
+nt2 = tree.findTuple("2" )
+nplot(nt2, "xpos", "", 0., 50)
+nplot(nt2, "zpos", "", 0., 100.)
+
+pl.write("pmtpos.ps", "ps")
+
+tree.commit()
+tree.close()
+del tree
+
+
+
+