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1 | // $Id$ | |
2 | // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007 | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
7 | * full copyright notice. * | |
8 | **************************************************************************/ | |
9 | ||
10 | #include "AliEveTPCSector3D.h" | |
11 | #include <EveDet/AliEveTPCSectorData.h> | |
12 | ||
13 | #include <TBuffer3D.h> | |
14 | #include <TBuffer3DTypes.h> | |
15 | #include <TVirtualPad.h> | |
16 | #include <TVirtualViewer3D.h> | |
17 | ||
18 | #include <TStyle.h> | |
19 | #include <TColor.h> | |
20 | ||
21 | ||
22 | //______________________________________________________________________________ | |
23 | // | |
24 | // Visualization of TPC raw-data in 3D. | |
25 | ||
26 | ClassImp(AliEveTPCSector3D) | |
27 | ||
28 | AliEveTPCSector3D::AliEveTPCSector3D(const Text_t* n, const Text_t* t) : | |
29 | AliEveTPCSectorViz(n, t), | |
30 | ||
31 | fBoxSet (n, t), | |
32 | fPointSetArray(n, t), | |
33 | fPointFrac (0.25), | |
34 | fPointSize (3), | |
35 | ||
36 | fPointSetOn (0), | |
37 | fPointSetMaxVal (0), | |
38 | ||
39 | fDriftVel (1), | |
40 | fZStep (250.0/450) | |
41 | { | |
42 | // Constructor. | |
43 | ||
44 | fRnrFrame = kFALSE; | |
45 | ComputeBBox(); | |
46 | } | |
47 | ||
48 | /******************************************************************************/ | |
49 | ||
50 | void AliEveTPCSector3D::SetRnrFrame(Bool_t rf) | |
51 | { | |
52 | // Setter for fRnrFrame. | |
53 | ||
54 | if(fRnrFrame != rf) { | |
55 | fRnrFrame = rf; | |
56 | IncRTS(); | |
57 | } | |
58 | } | |
59 | ||
60 | /******************************************************************************/ | |
61 | ||
62 | void AliEveTPCSector3D::ComputeBBox() | |
63 | { | |
64 | // Compute bounding box containing whole sector. | |
65 | ||
66 | const AliEveTPCSectorData::SegmentInfo& iSeg = AliEveTPCSectorData::GetInnSeg(); | |
67 | const AliEveTPCSectorData::SegmentInfo& o2Seg = AliEveTPCSectorData::GetOut2Seg(); | |
68 | ||
69 | BBoxInit(); | |
70 | ||
71 | Float_t w = 0.5*o2Seg.GetNMaxPads()*o2Seg.GetPadWidth(); | |
72 | fBBox[0] = -w; | |
73 | fBBox[1] = w; | |
74 | fBBox[2] = iSeg.GetRLow(); | |
75 | fBBox[3] = o2Seg.GetRLow() + o2Seg.GetNRows()*o2Seg.GetPadHeight(); | |
76 | fBBox[4] = 0; | |
77 | fBBox[5] = AliEveTPCSectorData::GetZLength(); | |
78 | Float_t* b = fBoxSet.AssertBBox(); | |
79 | for(Int_t i=0; i<6; ++i) { b[i] = fBBox[i]; } | |
80 | ||
81 | } | |
82 | ||
83 | void AliEveTPCSector3D::Paint(Option_t* /*option*/) | |
84 | { | |
85 | // Paint object. | |
86 | ||
87 | if(fRnrSelf == kFALSE) | |
88 | return; | |
89 | ||
90 | TBuffer3D buffer(TBuffer3DTypes::kGeneric); | |
91 | ||
92 | // Section kCore | |
93 | buffer.fID = this; | |
94 | buffer.fColor = 1; | |
95 | buffer.fTransparency = 0; | |
96 | fHMTrans.SetBuffer3D(buffer); | |
97 | buffer.SetSectionsValid(TBuffer3D::kCore); | |
98 | ||
99 | Int_t reqSections = gPad->GetViewer3D()->AddObject(buffer); | |
100 | if (reqSections == TBuffer3D::kNone) { | |
101 | return; | |
102 | } | |
103 | ||
104 | Error("AliEveTPCSector3D::Paint", "only direct OpenGL rendering supported."); | |
105 | return; | |
106 | } | |
107 | ||
108 | /******************************************************************************/ | |
109 | ||
110 | void AliEveTPCSector3D::LoadPadrow(AliEveTPCSectorData::RowIterator& iter, | |
111 | Float_t xs, Float_t ys, Float_t pw, Float_t ph) | |
112 | { | |
113 | // Load data of one padrow. Fill internal boxset and pointset objects. | |
114 | ||
115 | Short_t pad, time, val; | |
116 | Float_t x0, z0; | |
117 | Float_t ym = ys + 0.5*ph; | |
118 | Float_t zs = fZStep/fDriftVel; | |
119 | ||
120 | while (iter.NextPad()) | |
121 | { | |
122 | pad = iter.TEvePad(); | |
123 | while (iter.Next()) | |
124 | { | |
125 | time = iter.Time(); | |
126 | val = iter.Signal(); | |
127 | ||
128 | if(val <= fThreshold || time < fMinTime || time > fMaxTime) | |
129 | continue; | |
130 | ||
131 | if(fPointSetOn && val <= fPointSetMaxVal) | |
132 | { | |
133 | fPointSetArray.Fill(xs + (pad+0.5)*pw, ym, (time+0.5)*zs, val); | |
134 | } | |
135 | else | |
136 | { | |
137 | x0 = xs + pad*pw; | |
138 | z0 = time*zs; | |
139 | fBoxSet.AddBox(x0, ys, z0, pw, ph, zs); | |
140 | fBoxSet.DigitColor(ColorFromArray(val)); | |
141 | } | |
142 | } | |
143 | } | |
144 | } | |
145 | ||
146 | void AliEveTPCSector3D::UpdateBoxesAndPoints() | |
147 | { | |
148 | // Populate BoxSet and PointSet with digit information. | |
149 | ||
150 | // printf("AliEveTPCSector3D update boxes\n"); | |
151 | ||
152 | fBoxSet.Reset(TEveBoxSet::kBT_AABox, kTRUE, 16384); | |
153 | fPointSetArray.RemoveElements(); | |
154 | ||
155 | AliEveTPCSectorData* data = GetSectorData(); | |
156 | if (data != 0) { | |
157 | Bool_t isOn[3]; | |
158 | isOn[0] = fRnrInn; | |
159 | isOn[1] = fRnrOut1; | |
160 | isOn[2] = fRnrOut2; | |
161 | ||
162 | SetupColorArray(); | |
163 | SetupPointSetArray(); | |
164 | ||
165 | // Loop over 3 main segments | |
166 | for (Int_t sId = 0; sId <= 2; ++sId) { | |
167 | if(isOn[sId] == kFALSE) | |
168 | continue; | |
169 | const AliEveTPCSectorData::SegmentInfo& sInfo = AliEveTPCSectorData::GetSeg(sId); | |
170 | Float_t sy = sInfo.GetRLow(); | |
171 | for (Int_t row=sInfo.GetFirstRow(); row<=sInfo.GetLastRow(); ++row) { | |
172 | AliEveTPCSectorData::RowIterator i = data->MakeRowIterator(row); | |
173 | Float_t sx = -0.5*AliEveTPCSectorData::GetNPadsInRow(row)*sInfo.GetPadWidth(); | |
174 | LoadPadrow(i, sx, sy, sInfo.GetPadWidth(), sInfo.GetPadHeight()); | |
175 | sy += sInfo.GetPadHeight(); | |
176 | } | |
177 | } | |
178 | ||
179 | fBoxSet.RefitPlex(); | |
180 | if (fPointSetOn) | |
181 | fPointSetArray.CloseBins(); | |
182 | } | |
183 | } | |
184 | ||
185 | void AliEveTPCSector3D::SetupPointSetArray() | |
186 | { | |
187 | // Setup fPointSetArray for current settings. | |
188 | ||
189 | Int_t nBins = (Int_t) TMath::Nint(fPointFrac*gStyle->GetNumberOfColors()); | |
190 | if (nBins > 0) { | |
191 | fPointSetOn = kTRUE; | |
192 | fPointSetMaxVal = fThreshold + (Int_t) TMath::Nint(fPointFrac*(fMaxVal - fThreshold)); | |
193 | // printf("SetupPointSetArray frac=%f nbins=%d psmv=%d (%d,%d)\n", fPointFrac, nBins, fPointSetMaxVal, fThreshold, fMaxVal); | |
194 | fPointSetArray.InitBins("", nBins, fThreshold, fPointSetMaxVal, kFALSE); | |
195 | for (Int_t b=0; b<nBins; ++b) { | |
196 | fPointSetArray.GetBin(b)->SetMarkerColor(gStyle->GetColorPalette(b)); | |
197 | } | |
198 | } else { | |
199 | fPointSetOn = kFALSE; | |
200 | } | |
201 | } |