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bf000c32 | 1 | /************************************************************************** |
2 | * Copyright(c) 2004, 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 | **************************************************************************/ | |
bf000c32 | 15 | /* $Id$ */ |
c2fc1258 | 16 | /** @file AliFMDDisplay.cxx |
17 | @author Christian Holm Christensen <cholm@nbi.dk> | |
18 | @date Mon Mar 27 12:39:09 2006 | |
19 | @brief FMD Event display | |
20 | */ | |
bf000c32 | 21 | //___________________________________________________________________ |
22 | // | |
23 | // The classes defined here, are utility classes for reading in data | |
24 | // for the FMD. They are put in a seperate library to not polute the | |
25 | // normal libraries. The classes are intended to be used as base | |
26 | // classes for customized class that do some sort of analysis on the | |
27 | // various types of data produced by the FMD. | |
28 | // | |
29 | // Latest changes by Christian Holm Christensen | |
30 | // | |
31 | #include "AliFMDDisplay.h" // ALIFMDDISPLAY_H | |
32 | #include "AliFMDHit.h" // ALIFMDHIT_H | |
33 | #include "AliFMDDigit.h" // ALIFMDDIGIT_H | |
34 | #include "AliFMDRecPoint.h" // ALIFMDRECPOINT_H | |
35 | #include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H | |
36 | #include "AliFMDParameters.h" // ALIFMDPARAMETERS_H | |
37 | #include <AliESDFMD.h> // ALIESDFMD_H | |
38 | #include <AliLog.h> | |
39 | #include <TStyle.h> | |
40 | #include <TArrayF.h> | |
41 | #include <TMarker3DBox.h> | |
42 | #include <TGeoManager.h> | |
43 | #include <TMath.h> | |
44 | #include <TApplication.h> | |
45 | #include <TButton.h> | |
46 | #include <TParticle.h> | |
47 | #include <TCanvas.h> | |
48 | #include <TView.h> | |
49 | #include <TVirtualX.h> | |
50 | ||
51 | //____________________________________________________________________ | |
52 | ClassImp(AliFMDDisplay) | |
53 | #if 0 | |
54 | ; // This is here to keep Emacs for indenting the next line | |
55 | #endif | |
56 | ||
57 | //____________________________________________________________________ | |
58 | AliFMDDisplay* AliFMDDisplay::fgInstance = 0; | |
59 | ||
60 | //____________________________________________________________________ | |
61 | AliFMDDisplay* | |
62 | AliFMDDisplay::Instance() | |
63 | { | |
64 | return fgInstance; | |
65 | } | |
66 | ||
67 | //____________________________________________________________________ | |
68 | AliFMDDisplay::AliFMDDisplay(const char* gAliceFile) | |
69 | : AliFMDInput(gAliceFile), | |
70 | fWait(kFALSE), | |
71 | fCanvas(0), | |
72 | fPad(0), | |
73 | fButton(0), | |
74 | fZoom(0), | |
75 | fPick(0), | |
76 | fZoomMode(kFALSE) | |
77 | { | |
78 | // Constructor of an FMD display object. | |
79 | AddLoad(kGeometry); | |
80 | fMarkers = new TObjArray; | |
81 | fHits = new TObjArray; | |
82 | fMarkers->SetOwner(kTRUE); | |
83 | fHits->SetOwner(kFALSE); | |
84 | fgInstance = this; | |
85 | } | |
86 | ||
87 | //____________________________________________________________________ | |
1e8f773e | 88 | void |
bf000c32 | 89 | AliFMDDisplay::ExecuteEvent(Int_t event, Int_t px, Int_t py) |
90 | { | |
1e8f773e | 91 | // AliInfo(Form("Event %d, at (%d,%d)", px, py)); |
bf000c32 | 92 | if (px == 0 && py == 0) return; |
93 | if (!fZoomMode && fPad->GetView()) { | |
94 | fPad->GetView()->ExecuteRotateView(event, px, py); | |
95 | return; | |
96 | } | |
97 | fPad->SetCursor(kCross); | |
98 | switch (event) { | |
99 | case kButton1Down: | |
100 | fPad->TAttLine::Modify(); | |
101 | fX0 = fPad->AbsPixeltoX(px); | |
102 | fY0 = fPad->AbsPixeltoY(py); | |
103 | fXPixel = fOldXPixel = px; | |
104 | fYPixel = fOldYPixel = py; | |
105 | fLineDrawn = kFALSE; | |
106 | return; | |
107 | case kButton1Motion: | |
108 | if (fLineDrawn) | |
109 | gVirtualX->DrawBox(fXPixel, fYPixel, fOldXPixel, fOldYPixel, | |
110 | TVirtualX::kHollow); | |
111 | fOldXPixel = px; | |
112 | fOldYPixel = py; | |
113 | fLineDrawn = kTRUE; | |
114 | gVirtualX->DrawBox(fXPixel, fYPixel, fOldXPixel, fOldYPixel, | |
115 | TVirtualX::kHollow); | |
116 | return; | |
117 | case kButton1Up: | |
118 | fPad->GetCanvas()->FeedbackMode(kFALSE); | |
119 | if (px == fXPixel || py == fYPixel) return; | |
120 | fX1 = fPad->AbsPixeltoX(px); | |
121 | fY1 = fPad->AbsPixeltoY(py); | |
122 | if (fX1 < fX0) std::swap(fX0, fX1); | |
123 | if (fY1 < fY0) std::swap(fY0, fY1); | |
124 | fPad->Range(fX0, fY0, fX1, fY1); | |
125 | fPad->Modified(); | |
126 | return; | |
127 | } | |
128 | } | |
129 | ||
130 | //____________________________________________________________________ | |
1e8f773e | 131 | Int_t |
132 | AliFMDDisplay::DistancetoPrimitive(Int_t px, Int_t) | |
bf000c32 | 133 | { |
1e8f773e | 134 | // AliInfo(Form("@ (%d,%d)", px, py)); |
bf000c32 | 135 | fPad->SetCursor(kCross); |
136 | Float_t xmin = fPad->GetX1(); | |
137 | Float_t xmax = fPad->GetX2(); | |
138 | Float_t dx = .02 * (xmax - xmin); | |
139 | Float_t x = fPad->AbsPixeltoX(px); | |
140 | if (x < xmin + dx || x > xmax - dx) return 9999; | |
141 | return (fZoomMode ? 0 : 7); | |
142 | } | |
143 | //____________________________________________________________________ | |
144 | Bool_t | |
145 | AliFMDDisplay::Init() | |
146 | { | |
147 | if (!AliFMDInput::Init()) return kFALSE; | |
148 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
149 | geom->Init(); | |
150 | geom->InitTransformations(); | |
151 | // AliFMDParameters* parm = AliFMDParameters::Instance(); | |
152 | // parm->Init(); | |
153 | return kTRUE; | |
154 | } | |
155 | //____________________________________________________________________ | |
156 | Bool_t | |
157 | AliFMDDisplay::Begin(Int_t event) | |
158 | { | |
159 | if (!fCanvas) { | |
160 | gStyle->SetPalette(1); | |
161 | fCanvas = new TCanvas("display", "Display", 700, 700); | |
162 | fCanvas->SetFillColor(1); | |
163 | fCanvas->ToggleEventStatus(); | |
164 | fPad = new TPad("view3D", "3DView", 0.0, 0.05, 1.0, 1.0, 1, 0, 0); | |
165 | fCanvas->cd(); | |
166 | fPad->Draw(); | |
167 | } | |
168 | if (!fButton) { | |
169 | fCanvas->cd(); | |
170 | fButton = new TButton("Continue", "AliFMDDisplay::Instance()->Continue()", | |
171 | 0, 0, .5, .05); | |
172 | fButton->Draw(); | |
173 | fZoom = new TButton("Zoom", "AliFMDDisplay::Instance()->Zoom()", | |
174 | .5, 0, .75, .05); | |
175 | fZoom->Draw(); | |
176 | fPick = new TButton("Pick", "AliFMDDisplay::Instance()->Pick()", | |
177 | .75, 0, 1, .05); | |
178 | fPick->Draw(); | |
179 | } | |
180 | AliInfo("Clearing canvas"); | |
181 | // fCanvas->Clear(); | |
182 | if (!fGeoManager) { | |
183 | Warning("End", "No geometry manager"); | |
184 | return kFALSE; | |
185 | } | |
186 | AliInfo("Drawing geometry"); | |
187 | fPad->cd(); | |
188 | fGeoManager->GetTopVolume()->Draw(); | |
189 | AliInfo("Adjusting view"); | |
190 | Int_t irep; | |
191 | if (fPad->GetView()) { | |
192 | fPad->GetView()->SetView(-200, -40, 80, irep); | |
193 | fPad->GetView()->Zoom(); | |
194 | fPad->Modified(); | |
195 | fPad->cd(); | |
196 | } | |
197 | return AliFMDInput::Begin(event); | |
198 | } | |
199 | ||
200 | //____________________________________________________________________ | |
201 | Bool_t | |
202 | AliFMDDisplay::End() | |
203 | { | |
204 | fPad->cd(); | |
205 | fMarkers->Draw(); | |
1e8f773e | 206 | fPad->cd(); |
bf000c32 | 207 | AppendPad(); |
1e8f773e | 208 | // fPad->Update(); |
bf000c32 | 209 | fPad->cd(); |
1e8f773e | 210 | // fCanvas->Modified(kTRUE); |
211 | //fCanvas->Update(); | |
212 | // fCanvas->cd(); | |
213 | // fPad->cd(); | |
bf000c32 | 214 | fWait = kTRUE; |
215 | while (fWait) { | |
216 | gApplication->StartIdleing(); | |
217 | gSystem->InnerLoop(); | |
218 | gApplication->StopIdleing(); | |
219 | } | |
220 | AliInfo("After idle loop"); | |
221 | fMarkers->Delete(); | |
222 | fHits->Clear(); | |
223 | AliInfo("After clearing caches"); | |
224 | return AliFMDInput::End(); | |
225 | } | |
226 | ||
227 | //____________________________________________________________________ | |
228 | Int_t | |
229 | AliFMDDisplay::LookupColor(Float_t x, Float_t max) const | |
230 | { | |
231 | Int_t idx = Int_t(x / max * gStyle->GetNumberOfColors()); | |
232 | return gStyle->GetColorPalette(idx); | |
233 | } | |
234 | ||
235 | ||
236 | //____________________________________________________________________ | |
237 | Bool_t | |
238 | AliFMDDisplay::ProcessHit(AliFMDHit* hit, TParticle* p) | |
239 | { | |
240 | if (!hit) { AliError("No hit"); return kFALSE; } | |
241 | if (!p) { AliError("No track"); return kFALSE; } | |
242 | ||
243 | fHits->Add(hit); | |
244 | Float_t size = .1; | |
245 | Float_t pt = TMath::Sqrt(hit->Py()*hit->Py()+hit->Px()*hit->Px()); | |
246 | Float_t theta = TMath::ATan2(pt, hit->Pz()); | |
247 | Float_t phi = TMath::ATan2(hit->Py(), hit->Px()); | |
248 | TMarker3DBox* marker = new TMarker3DBox(hit->X(), hit->Y(), hit->Z(), | |
249 | size, size, size, theta, phi); | |
250 | marker->SetLineColor(LookupColor(hit->Edep(), 1)); | |
251 | marker->SetRefObject(hit); | |
252 | fMarkers->Add(marker); | |
253 | return kTRUE; | |
254 | } | |
255 | ||
256 | //____________________________________________________________________ | |
257 | Bool_t | |
258 | AliFMDDisplay::ProcessDigit(AliFMDDigit* digit) | |
259 | { | |
260 | if (!digit) { AliError("No digit"); return kFALSE; } | |
261 | ||
262 | Double_t x, y, z; | |
263 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
264 | AliFMDParameters* parm = AliFMDParameters::Instance(); | |
265 | Double_t threshold = (parm->GetPedestal(digit->Detector(), | |
266 | digit->Ring(), | |
267 | digit->Sector(), | |
268 | digit->Strip()) | |
269 | + 4 * parm->GetPedestalWidth(digit->Detector(), | |
270 | digit->Ring(), | |
271 | digit->Sector(), | |
272 | digit->Strip())); | |
273 | if (digit->Counts() < threshold) return kTRUE; | |
274 | fHits->Add(digit); | |
275 | geom->Detector2XYZ(digit->Detector(), digit->Ring(), digit->Sector(), | |
276 | digit->Strip(), x, y, z); | |
277 | Float_t size = .1; | |
278 | Float_t r = TMath::Sqrt(x * x + y * y); | |
279 | Float_t theta = TMath::ATan2(r, z); | |
280 | Float_t phi = TMath::ATan2(y, x); | |
281 | TMarker3DBox* marker = new TMarker3DBox(x,y,z,size,size,size,theta,phi); | |
282 | marker->SetRefObject(digit); | |
283 | marker->SetLineColor(LookupColor(digit->Counts(), 1024)); | |
284 | fMarkers->Add(marker); | |
285 | return kTRUE; | |
286 | } | |
287 | ||
d760ea03 | 288 | //____________________________________________________________________ |
289 | Bool_t | |
290 | AliFMDDisplay::ProcessRaw(AliFMDDigit* digit) | |
291 | { | |
292 | return ProcessDigit(digit); | |
293 | } | |
294 | ||
bf000c32 | 295 | //____________________________________________________________________ |
296 | Bool_t | |
297 | AliFMDDisplay::ProcessRecPoint(AliFMDRecPoint* recpoint) | |
298 | { | |
299 | if (!recpoint) { AliError("No recpoint"); return kFALSE; } | |
300 | if (recpoint->Particles() < .1) return kTRUE; | |
301 | fHits->Add(recpoint); | |
302 | Double_t x, y, z; | |
303 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
304 | geom->Detector2XYZ(recpoint->Detector(), recpoint->Ring(), | |
305 | recpoint->Sector(), recpoint->Strip(), x, y, z); | |
306 | ||
307 | Float_t size = .1; | |
308 | Float_t r = TMath::Sqrt(x * x + y * y); | |
309 | Float_t theta = TMath::ATan2(r, z); | |
310 | Float_t phi = TMath::ATan2(y, x); | |
311 | TMarker3DBox* marker = new TMarker3DBox(x,y,z,size,size,size,theta,phi); | |
312 | marker->SetRefObject(recpoint); | |
313 | marker->SetLineColor(LookupColor(recpoint->Particles(), 20)); | |
314 | fMarkers->Add(marker); | |
315 | return kTRUE; | |
316 | } | |
317 | ||
318 | //____________________________________________________________________ | |
319 | // | |
320 | // EOF | |
321 | // |