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f665c1ea | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
f665c1ea | 17 | |
29fc2c86 | 18 | #include <TMath.h> |
f665c1ea | 19 | #include "AliMUONConstants.h" |
20 | ||
f665c1ea | 21 | ClassImp(AliMUONConstants) |
22 | ||
37c0cd40 | 23 | Int_t AliMUONConstants::fgNCh = 14; |
f665c1ea | 24 | Int_t AliMUONConstants::fgNTrackingCh = 10; |
25 | Int_t AliMUONConstants::fgNTriggerCh = 4; | |
26 | Int_t AliMUONConstants::fgNTriggerCircuit = 234; | |
24c9eaa0 | 27 | |
e516b01d | 28 | Float_t AliMUONConstants::fgDefaultChamberZ[14] = |
29 | {-533.5, -546.5, -678.5, -693.5, // St12 | |
30 | -966.9, -997.9, -1274.5, -1305.5, -1408.6, -1439.6, // St345 update sept04 Ch. Finck | |
31 | -1603.5, -1620.5, -1703.5, -1720.5}; // M1 & M2 | |
32 | ||
33 | Float_t AliMUONConstants::fgDzCh = 15.5/2.; | |
34 | Float_t AliMUONConstants::fgDzSlat = 8.5/2.; | |
35 | ||
1c334adf | 36 | Float_t AliMUONConstants::fgSqrtKx3 = 0.7131; |
37 | Float_t AliMUONConstants::fgSqrtKy3 = 0.7642; | |
7e4a628d | 38 | |
1c334adf | 39 | Float_t AliMUONConstants::fgSqrtKx3St1 = 0.7000; |
40 | Float_t AliMUONConstants::fgSqrtKy3St1 = 0.7550; | |
7e4a628d | 41 | |
1c334adf | 42 | Float_t AliMUONConstants::fgChargeCorrel = 0.11; |
43 | Float_t AliMUONConstants::fgChargeCorrelSt1 = 1.0; //??? | |
7e4a628d | 44 | |
1c334adf | 45 | Float_t AliMUONConstants::fgPitch = 0.25; |
46 | Float_t AliMUONConstants::fgPitchSt1 = 0.21; | |
c47b11f0 | 47 | |
2ec11a5e | 48 | Float_t AliMUONConstants::fgDmin[7] = { 36.4, 46.2, 66.0, 80., 80., 100., 100.}; |
21a18f36 | 49 | Float_t AliMUONConstants::fgDmax[7] = {183., 245., 395., 560., 563., 850., 900.}; |
e118b27e | 50 | Int_t AliMUONConstants::fgMaxZoom = 20; |
ecfa008b | 51 | |
24c9eaa0 | 52 | //______________________________________________________________________________ |
29fc2c86 | 53 | Int_t AliMUONConstants::ChamberNumber(Float_t z) |
54 | { | |
55 | // return chamber number according z position of hit. Should be taken from geometry ? | |
56 | ||
57 | Float_t dMaxChamber = DzSlat() + DzCh() + 0.25; // cm st 3 &4 & 5 | |
58 | if ( z > (DefaultChamberZ(4)+50.)) dMaxChamber = 7.; // cm stations 1 & 2 | |
59 | Int_t iChamber; | |
60 | ||
61 | for (iChamber = 0; iChamber < 10; iChamber++) { | |
62 | ||
63 | if (TMath::Abs(z-DefaultChamberZ(iChamber)) < dMaxChamber) { | |
64 | return iChamber; | |
65 | } | |
66 | } | |
67 | return -1; | |
68 | } |