Removing warnings ...
[u/mrichter/AliRoot.git] / MUON / AliMUONSegmentationSlatN.cxx
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5de7d27f 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/* $Id$ */
5de7d27f 17
18#include "AliMUONSegmentationSlatN.h"
19#include "AliMUONSegmentationSlatModuleN.h"
20#include "TArrayI.h"
21#include "TArrayF.h"
22#include "TObjArray.h"
23#include <TMath.h>
70479d0e 24#include <Riostream.h>
5de7d27f 25
26//___________________________________________
27ClassImp(AliMUONSegmentationSlatN);
28
5de7d27f 29AliMUONSegmentationSlatN::AliMUONSegmentationSlatN()
30{
31// Default constructor
32}
33
34
e9e4cdf2 35AliMUONSegmentationSlatN::AliMUONSegmentationSlatN(Int_t nsec)
36 : AliMUONSegmentationSlat(nsec)
37{
38// Non default constructor
39}
40
41
6aaf81e6 42Float_t AliMUONSegmentationSlatN::Dpx(Int_t /*isec*/) const
5de7d27f 43{
44//
45// Returns y-pad size for given sector isec
46 return fDpx;
47}
48
49Float_t AliMUONSegmentationSlatN::Dpy(Int_t isec) const
50{
51//
52// Returns x-pad size for given sector isec
53// isec = 100*islat+iregion
54//
55 Int_t islat, iregion;
56 islat = isec/100;
57 iregion = isec%100;
58 return Slat(islat)->Dpy(iregion);
59}
60
61
62
63void AliMUONSegmentationSlatN::GlobalToLocal(
64 Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal)
65{
66//
67// Perform local to global transformation for pad coordinates
68//
2b202c2e 69 Int_t iytemp = iy;
5de7d27f 70 Int_t index = 0;
71
72 iylocal = iytemp;
73 ix=TMath::Abs(ix);
74
75//
76// Find slat number (index) and iylocal
77 for (Int_t i=0; i<fNSlats; i++) {
78 if (ix <= Slat(i)->Npx()) {
79 Int_t isec=Slat(i)->Sector(ix,1);
80 iytemp-=Slat(i)->Npy()*(*fNDiv)[isec]/(*fNDiv)[1];
81 }
82 if (iytemp <= 0) break;
83 iylocal = iytemp;
84 index=i+1;
85 }
86 ixlocal=ix;
87 islat=index;
5de7d27f 88}
89
90void AliMUONSegmentationSlatN::LocalToGlobal(
91 Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy)
92{
93// Local to global transformation for pad coordinates
94
95 Int_t i;
96 iy=iylocal;
97
98//
99// Find iy global by adding iy offset from slats below
100 for (i=0; i<islat; i++) {
101 if (ixlocal <= Slat(i)->Npx()) {
102 Int_t isec=Slat(i)->Sector(ixlocal,1);
103 iy+=Slat(i)->Npy()*(*fNDiv)[isec]/(*fNDiv)[1];
104 }
105 }
106//
107// Perform symmetry transformation
2b202c2e 108 ix=ixlocal*fSym;
5de7d27f 109}
110
111
112void AliMUONSegmentationSlatN::
113GetPadI(Float_t x, Float_t y, Float_t z, Int_t &ix, Int_t &iy)
114{
115// Returns pad coordinates for given set of space coordinates
116
117 Int_t islat, i;
118 Float_t xlocal, ylocal;
119// Transform to local coordinates
120 AliMUONSegmentationSlat::GlobalToLocal(x,y,z,islat,xlocal,ylocal);
121 Slat(islat)->GetPadI(xlocal, ylocal, ix, iy);
122// add to local iy offfset from slats below
123 for (i=0; i<islat; i++) {
124 if (ix <= Slat(i)->Npx()) {
125 Int_t isec=Slat(i)->Sector(ix,1);
126 iy+=Slat(i)->Npy()*(*fNDiv)[isec]/(*fNDiv)[1];
127 }
128 }
129// Determine sign depending on quadrant
deba22dc 130 ix=ix*Int_t(TMath::Sign((Float_t)1.,x));
5de7d27f 131}
132
133AliMUONSegmentationSlatModule* AliMUONSegmentationSlatN::
134CreateSlatModule()
135{
136 // Factory method for slat module
e9e4cdf2 137 return new AliMUONSegmentationSlatModuleN(4);
5de7d27f 138}
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