gammaraytel.py
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1 
2 # Creating a memory-mapped tree
3 
4 tree=tf.create()
5 
6 # Creating a histogram factory mapped to the tree
7 
8 hf=af.createHistogramFactory( tree )
9 
10 # Open an existing HBook file
11 
12 treeHBook=tf.create("gammaraytel.hbook", "hbook", 1, 0 )
13 
14 # Mounting the hbook tree under the master memory tree.
15 
16 tree.mkdir( "hbook" )
17 tree.mount( "/hbook", treeHBook, "/" )
18 
19 # Retrieve histograms and load them into memory:
20 
21 # Fetching the histograms from hbook
22 
23 hE=tree.findH1D( "/hbook/10" )
24 hPl=tree.findH1D( "/hbook/20" )
25 hXZ=tree.findH2D("/hbook/30")
26 hYZ=tree.findH2D("/hbook/40")
27 
28 # set plotter to 2*2 zones
29 #pl.createRegions(2,2)
30 #>>> NOTE! ONLY SINGLE REGION IN THIS VERSION!
31 
32 # plot the histograms
33 
34 pr = pl.currentRegion()
35 pr.plot(hE,"")
36 pl.refresh()
37 
38 wait()
39 
40 pr.clear()
41 pr.plot(hPl,"")
42 pl.refresh()
43 
44 wait()
45 
46 del hf
47 del tree
48 del treeHBook
49 exit()
50 
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57 
exit(0)