Installation
Cette page contient les instructions nécessaires à l'installation de Persint sur diverses plateformes (Scientific Linux, Ubuntu, Fedora, Debian, Mac OS, Cygwin {Windows 7}).
CONTENTS (TABLE DES MATIERES)
4 CONTENTS
Contents
1 Main features of Persint 12
2 Architecture 14
3 Installation on supported platforms 14
4 Starting Persint 15
5 The Graphic User Interface 17
5.1 Items of the Graphic User Interface . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Online help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3 Speeding up Persint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.4 Toolbars or Menus ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6 Exercise 1: Setting the stage 19
6.1 Necessary les . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.1.1 Detector description and magnetic eld . . . . . . . . . . . . . . . 19
6.1.2 Example" les for Event 4023 . . . . . . . . . . . . . . . . . . . . 21
6.2 Interfaces to applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.3 Displaying detector layouts and events . . . . . . . . . . . . . . . . . . . . 22
6.4 Save, Export, and Print views . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.5 Dressing the display with captions, logos, and pictures . . . . . . . . . . . 26
7 Exercise 2: Muon tracks in your own layout 29
7.1 Generate muon tracks at the IP . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2 Display the detector using the AMDB interface . . . . . . . . . . . . . . . 30
7.2.1 Draw MDT muon chambers . . . . . . . . . . . . . . . . . . . . . . . 30
7.2.2 Draw RPC muon chambers . . . . . . . . . . . . . . . . . . . . . . . 30
7.2.3 Draw Inner Detector . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2.4 Optimizing the view: a rst try at navigation . . . . . . . . . . . . 31
7.2.5 Starting anew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.3 Place the calorimeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.4 Save les for future use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.5 Place inert material using the AGDD interface . . . . . . . . . . . . . . . 33
7.6 The Dead material function . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.6.1 Preparing the working view . . . . . . . . . . . . . . . . . . . . . . 34
7.6.2 Use of the Dead material function . . . . . . . . . . . . . . . . . . 34
7.7 Look at the event in detail . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.7.1 Show ATLAS coordinate system . . . . . . . . . . . . . . . . . . . 35
7.7.2 View the event in the X-projection . . . . . . . . . . . . . . . . . . 35
7.7.3 Zoom-in on muon chambers . . . . . . . . . . . . . . . . . . . . . . 36
8 Exercise 3: Practicing Navigation 37
8.1 Preparing the working view . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.2 The Default mode: a magic wand . . . . . . . . . . . . . . . . . . . . . . . 38
8.3 Single functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.4 More functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9 Exercise 4: Exploring more features 41
9.1 Volume information labels . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.1 Volume identi cation with information boxes . . . . . . . . . . . . 41
9.1.2 Label maker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.2 Hide/Displace volumes or super-volumes . . . . . . . . . . . . . . . . . . . 43
9.2.1 Hide volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
9.2.2 Hiding volumes, the fast way . . . . . . . . . . . . . . . . . . . . . 44
9.2.3 Displacements of volumes . . . . . . . . . . . . . . . . . . . . . . . 44
9.3 Compare geometries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9.4 Detect volume clashes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9.5 Animation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
9.6 Wire mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.7 Magnetic Field Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.7.1 Loading a Magnetic Field le . . . . . . . . . . . . . . . . . . . . . 49
9.7.2 Display B- eld lines . . . . . . . . . . . . . . . . . . . . . . . . . . 50
9.7.3 Display B- eld maps . . . . . . . . . . . . . . . . . . . . . . . . . . 51
9.8 X0 map: Distribution of material . . . . . . . . . . . . . . . . . . . . . . . 54
9.9 Map of the expected number of crossed muon stations . . . . . . . . . . . 55
10 Exercise 5: ATLAS Physics Events (1) 56
10.1 Input les . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10.1.1 Files loaded by the user . . . . . . . . . . . . . . . . . . . . . . . . 56
10.1.2 Event dependent les . . . . . . . . . . . . . . . . . . . . . . . . . 56
10.2 Display physics events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10.3 Select Sectors to be displayed . . . . . . . . . . . . . . . . . . . . . . . . . 58
10.4 Dressing the event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
10.5 Save the view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
10.6 Changing the event le . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
10.7 Scanning events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
10.7.1 Manual scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
10.7.2 Automatic scanning . . . . . . . . . . . . . . . . . . . . . . . . . . 62
10.7.3 Visualization properties . . . . . . . . . . . . . . . . . . . . . . . . 62
10.7.4 Using 2D projections . . . . . . . . . . . . . . . . . . . . . . . . . . 64
11 Exercise 6: ATLAS Physics events (2) 65
11.1 Muon spectrometer data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
11.1.1 Map ( ; ') of expected number of stations . . . . . . . . . . . . . . 65
11.1.2 ATHENA reconstructed segments and tracks . . . . . . . . . . . . 66
11.1.3 Simulated muon tracks . . . . . . . . . . . . . . . . . . . . . . . . . 70
11.1.4 Interactive reconstruction with Muonboy . . . . . . . . . . . . . . 70
11.1.5 Color code for MDT hits . . . . . . . . . . . . . . . . . . . . . . . 73
11.2 Vertex display and Inner Detector data . . . . . . . . . . . . . . . . . . . 75
11.2.1 Vertex display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
11.2.2 Histogram of d0 (primary vertex) . . . . . . . . . . . . . . . . . . . 76
11.3 Calorimeter data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
11.3.1 Display calorimeter hits . . . . . . . . . . . . . . . . . . . . . . . . 77
11.3.2 Display calorimeter hits with increased thresholds . . . . . . . . . 78
11.3.3 Histogram of calorimeter hits . . . . . . . . . . . . . . . . . . . . . 81
12 Persint: a versatile tool 83
12.1 An analysis tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
12.2 Study of the geometry and dead material . . . . . . . . . . . . . . . . . . 85
6 CONTENTS
13 Selected event displays 86
14 Useful hints 96
This paper is dedicated to the memory of Marc Virchaux (1953-2004), the author of this software.
Acknowledgments
We would like to acknowledge the work of Daniel Pomarède with the original Persint, and thank Eric Lançon for helping implement the use of calorimeter data. Jochen Meyer has written a short guide to the AGDD XML dead material les, and oper- ations on volumes. Oliver Kortner and Angelo Graziosi have provided the German and Italian translations for all the windows, dialogue boxes, and help items in the GUI.
Installation
Acknowledgments
We would like to acknowledge the work of Daniel Pomarède with the original Persint, and thank Eric Lançon for helping implement the use of calorimeter data. Jochen Meyer has written a short guide to the AGDD XML dead material les, and oper- ations on volumes. Oliver Kortner and Angelo Graziosi have provided the German and Italian translations for all the windows, dialogue boxes, and help items in the GUI.
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