5 from ROOT
import TCanvas, TPaveLabel, TPaveText, TPavesText, TText
6 from ROOT
import TArrow, TLine
7 from ROOT
import gROOT, gBenchmark
11 c1 = TCanvas(
'c1',
'Tree Data Structure',200,10,750,940)
12 c1.Range(0,-0.1,1,1.15)
14 gBenchmark.Start(
'tree')
21 title = TPaveLabel(.3,1.05,.8,1.13,
'Tree Data Structure')
22 title.SetFillColor(16)
24 tree = TPaveText(.01,.75,.15,1.00)
27 tnt = tree.AddText(
'Tree')
29 tnt.SetTextSize(0.030)
30 tree.AddText(
'fScanField')
31 tree.AddText(
'fMaxEventLoop')
32 tree.AddText(
'fMaxVirtualSize')
33 tree.AddText(
'fEntries')
34 tree.AddText(
'fDimension')
35 tree.AddText(
'fSelectedRows')
37 farm = TPavesText(.01,1.02,.15,1.1,9,
'tr')
38 tfarm = farm.AddText(
'CHAIN')
39 tfarm.SetTextSize(0.024)
40 farm.AddText(
'Collection')
41 farm.AddText(
'of Trees')
43 link = TLine(.15,.92,.80,.92)
47 link.DrawLine(.21,.87,.21,.275)
48 link.DrawLine(.23,.87,.23,.375)
49 link.DrawLine(.25,.87,.25,.775)
50 link.DrawLine(.41,.25,.41,-.025)
51 link.DrawLine(.43,.25,.43,.075)
52 link.DrawLine(.45,.25,.45,.175)
53 branch0 = TPaveLabel(.20,.87,.35,.97,
'Branch 0')
54 branch0.SetTextSize(0.35)
55 branch0.SetFillColor(branchcolor)
57 branch1 = TPaveLabel(.40,.87,.55,.97,
'Branch 1')
58 branch1.SetTextSize(0.35)
59 branch1.SetFillColor(branchcolor)
61 branch2 = TPaveLabel(.60,.87,.75,.97,
'Branch 2')
62 branch2.SetTextSize(0.35)
63 branch2.SetFillColor(branchcolor)
65 branch3 = TPaveLabel(.80,.87,.95,.97,
'Branch 3')
66 branch3.SetTextSize(0.35)
67 branch3.SetFillColor(branchcolor)
69 leaf0 = TPaveLabel(.4,.75,.5,.8,
'Leaf 0')
70 leaf0.SetFillColor(leafcolor)
72 leaf1 = TPaveLabel(.6,.75,.7,.8,
'Leaf 1')
73 leaf1.SetFillColor(leafcolor)
75 leaf2 = TPaveLabel(.8,.75,.9,.8,
'Leaf 2')
76 leaf2.SetFillColor(leafcolor)
78 firstevent = TPaveText(.4,.35,.9,.4)
79 firstevent.AddText(
'First event of each basket')
80 firstevent.AddText(
'Array of fMaxBaskets Integers')
81 firstevent.SetFillColor(basketcolor)
83 basket0 = TPaveLabel(.4,.25,.5,.3,
'Basket 0')
84 basket0.SetFillColor(basketcolor)
86 basket1 = TPaveLabel(.6,.25,.7,.3,
'Basket 1')
87 basket1.SetFillColor(basketcolor)
89 basket2 = TPaveLabel(.8,.25,.9,.3,
'Basket 2')
90 basket2.SetFillColor(basketcolor)
93 offset = TPaveText(.55,.15,.9,.2)
94 offset.AddText(
'Offset of events in fBuffer')
95 offset.AddText(
'Array of fEventOffsetLen Integers')
96 offset.AddText(
'(if variable length structure)')
97 offset.SetFillColor(offsetcolor)
99 buffer = TPaveText(.55,.05,.9,.1)
100 buffer.AddText(
'Basket buffer')
101 buffer.AddText(
'Array of fBasketSize chars')
102 buffer.SetFillColor(offsetcolor)
104 zipbuffer = TPaveText(.55,-.05,.75,.0)
105 zipbuffer.AddText(
'Basket compressed buffer')
106 zipbuffer.AddText(
'(if compression)')
107 zipbuffer.SetFillColor(offsetcolor)
112 ar1.SetFillStyle(1001)
114 ar1.DrawArrow(.21,.275,.39,.275,0.015,
'|>')
115 ar1.DrawArrow(.23,.375,.39,.375,0.015,
'|>')
116 ar1.DrawArrow(.25,.775,.39,.775,0.015,
'|>')
117 ar1.DrawArrow(.50,.775,.59,.775,0.015,
'|>')
118 ar1.DrawArrow(.70,.775,.79,.775,0.015,
'|>')
119 ar1.DrawArrow(.50,.275,.59,.275,0.015,
'|>')
120 ar1.DrawArrow(.70,.275,.79,.275,0.015,
'|>')
121 ar1.DrawArrow(.45,.175,.54,.175,0.015,
'|>')
122 ar1.DrawArrow(.43,.075,.54,.075,0.015,
'|>')
123 ar1.DrawArrow(.41,-.025,.54,-.025,0.015,
'|>')
124 ldot = TLine(.95,.92,.99,.92)
127 ldot.DrawLine(.9,.775,.99,.775)
128 ldot.DrawLine(.9,.275,.99,.275)
129 ldot.DrawLine(.55,.05,.55,0)
130 ldot.DrawLine(.9,.05,.75,0)
131 pname = TText(.46,.21,
'fEventOffset')
132 pname.SetTextFont(72)
133 pname.SetTextSize(0.018)
135 pname.DrawText(.44,.11,
'fBuffer')
136 pname.DrawText(.42,.01,
'fZipBuffer')
137 pname.DrawText(.26,.81,
'fLeaves = TObjArray of TLeaf')
138 pname.DrawText(.24,.40,
'fBasketEvent')
139 pname.DrawText(.22,.31,
'fBaskets = TObjArray of TBasket')
140 pname.DrawText(.20,1.0,
'fBranches = TObjArray of TBranch')
141 ntleaf = TPaveText(0.30,.42,.62,.7)
142 ntleaf.SetTextSize(0.014)
143 ntleaf.SetFillColor(leafcolor)
144 ntleaf.SetTextAlign(12)
145 ntleaf.AddText(
'fLen: number of fixed elements')
146 ntleaf.AddText(
'fLenType: number of bytes of data type')
147 ntleaf.AddText(
'fOffset: relative to Leaf0-fAddress')
148 ntleaf.AddText(
'fNbytesIO: number of bytes used for I/O')
149 ntleaf.AddText(
'fIsPointer: True if pointer')
150 ntleaf.AddText(
'fIsRange: True if leaf has a range')
151 ntleaf.AddText(
'fIsUnsigned: True if unsigned')
152 ntleaf.AddText(
'*fLeafCount: points to Leaf counter')
154 ntleaf.AddLine(0,0,0,0)
155 ntleaf.AddText(
'fName = Leaf name')
156 ntleaf.AddText(
'fTitle = Leaf type (see Type codes)')
158 type = TPaveText(.65,.42,.95,.7)
159 type.SetTextAlign(12)
160 type.SetFillColor(leafcolor)
162 type.AddText(
'C : a character string')
163 type.AddText(
'B : an 8 bit signed integer')
164 type.AddText(
'b : an 8 bit unsigned integer')
165 type.AddText(
'S : a 16 bit signed short integer')
166 type.AddText(
's : a 16 bit unsigned short integer')
167 type.AddText(
'I : a 32 bit signed integer')
168 type.AddText(
'i : a 32 bit unsigned integer')
169 type.AddText(
'F : a 32 bit floating point')
170 type.AddText(
'D : a 64 bit floating point')
171 type.AddText(
'TXXXX : a class name TXXXX')
173 typecode = TPaveLabel(.7,.68,.9,.72,
'fType codes')
174 typecode.SetFillColor(leafcolor)
176 ldot.DrawLine(.4,.75,.30,.7)
177 ldot.DrawLine(.5,.75,.62,.7)
178 ntbasket = TPaveText(0.02,-0.07,0.35,.25)
179 ntbasket.SetFillColor(basketcolor)
180 ntbasket.SetTextSize(0.014)
181 ntbasket.SetTextAlign(12)
182 ntbasket.AddText(
'fNbytes: Size of compressed Basket')
183 ntbasket.AddText(
'fObjLen: Size of uncompressed Basket')
184 ntbasket.AddText(
'fDatime: Date/Time when written to store')
185 ntbasket.AddText(
'fKeylen: Number of bytes for the key')
186 ntbasket.AddText(
'fCycle : Cycle number')
187 ntbasket.AddText(
'fSeekKey: Pointer to Basket on file')
188 ntbasket.AddText(
'fSeekPdir: Pointer to directory on file')
189 ntbasket.AddText(
"fClassName: 'TBasket'")
190 ntbasket.AddText(
'fName: Branch name')
191 ntbasket.AddText(
'fTitle: Tree name')
192 ntbasket.AddText(
' ')
193 ntbasket.AddLine(0,0,0,0)
194 ntbasket.AddText(
'fNevBuf: Number of events in Basket')
195 ntbasket.AddText(
'fLast: pointer to last used byte in Basket')
197 ldot.DrawLine(.4,.3,0.02,0.25)
198 ldot.DrawLine(.5,.25,0.35,-.07)
199 ldot.DrawLine(.5,.3,0.35,0.25)
200 ntbranch = TPaveText(0.02,0.40,0.18,0.68)
201 ntbranch.SetFillColor(branchcolor)
202 ntbranch.SetTextSize(0.015)
203 ntbranch.SetTextAlign(12)
204 ntbranch.AddText(
'fBasketSize')
205 ntbranch.AddText(
'fEventOffsetLen')
206 ntbranch.AddText(
'fMaxBaskets')
207 ntbranch.AddText(
'fEntries')
208 ntbranch.AddText(
'fAddress of Leaf0')
209 ntbranch.AddText(
' ')
210 ntbranch.AddLine(0,0,0,0)
211 ntbranch.AddText(
'fName: Branchname')
212 ntbranch.AddText(
'fTitle: leaflist')
214 ldot.DrawLine(.2,.97,.02,.68)
215 ldot.DrawLine(.35,.97,.18,.68)
216 ldot.DrawLine(.35,.87,.18,.40)
217 basketstore = TPavesText(.8,-0.088,0.952,-0.0035,7,
'tr')
218 basketstore.SetFillColor(28)
219 basketstore.AddText(
'Baskets')
220 basketstore.AddText(
'Stores')
224 gBenchmark.Show(
'tree')