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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 | |
02a27b50 | 37 | // #include <AliESDFMD.h> // ALIESDFMD_H |
bf000c32 | 38 | #include <AliLog.h> |
39 | #include <TStyle.h> | |
02a27b50 | 40 | // #include <TArrayF.h> |
bf000c32 | 41 | #include <TMarker3DBox.h> |
42 | #include <TGeoManager.h> | |
02a27b50 | 43 | // #include <TMath.h> |
bf000c32 | 44 | #include <TApplication.h> |
45 | #include <TButton.h> | |
02a27b50 | 46 | // #include <TParticle.h> |
bf000c32 | 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 | { | |
02a27b50 | 64 | // Return static instance |
bf000c32 | 65 | return fgInstance; |
66 | } | |
67 | ||
68 | //____________________________________________________________________ | |
69 | AliFMDDisplay::AliFMDDisplay(const char* gAliceFile) | |
70 | : AliFMDInput(gAliceFile), | |
71 | fWait(kFALSE), | |
72 | fCanvas(0), | |
73 | fPad(0), | |
74 | fButton(0), | |
75 | fZoom(0), | |
76 | fPick(0), | |
77 | fZoomMode(kFALSE) | |
78 | { | |
79 | // Constructor of an FMD display object. | |
80 | AddLoad(kGeometry); | |
81 | fMarkers = new TObjArray; | |
82 | fHits = new TObjArray; | |
83 | fMarkers->SetOwner(kTRUE); | |
84 | fHits->SetOwner(kFALSE); | |
85 | fgInstance = this; | |
86 | } | |
87 | ||
88 | //____________________________________________________________________ | |
1e8f773e | 89 | void |
bf000c32 | 90 | AliFMDDisplay::ExecuteEvent(Int_t event, Int_t px, Int_t py) |
91 | { | |
1e8f773e | 92 | // AliInfo(Form("Event %d, at (%d,%d)", px, py)); |
bf000c32 | 93 | if (px == 0 && py == 0) return; |
94 | if (!fZoomMode && fPad->GetView()) { | |
95 | fPad->GetView()->ExecuteRotateView(event, px, py); | |
96 | return; | |
97 | } | |
98 | fPad->SetCursor(kCross); | |
99 | switch (event) { | |
100 | case kButton1Down: | |
101 | fPad->TAttLine::Modify(); | |
102 | fX0 = fPad->AbsPixeltoX(px); | |
103 | fY0 = fPad->AbsPixeltoY(py); | |
104 | fXPixel = fOldXPixel = px; | |
105 | fYPixel = fOldYPixel = py; | |
106 | fLineDrawn = kFALSE; | |
107 | return; | |
108 | case kButton1Motion: | |
109 | if (fLineDrawn) | |
110 | gVirtualX->DrawBox(fXPixel, fYPixel, fOldXPixel, fOldYPixel, | |
111 | TVirtualX::kHollow); | |
112 | fOldXPixel = px; | |
113 | fOldYPixel = py; | |
114 | fLineDrawn = kTRUE; | |
115 | gVirtualX->DrawBox(fXPixel, fYPixel, fOldXPixel, fOldYPixel, | |
116 | TVirtualX::kHollow); | |
117 | return; | |
118 | case kButton1Up: | |
119 | fPad->GetCanvas()->FeedbackMode(kFALSE); | |
120 | if (px == fXPixel || py == fYPixel) return; | |
121 | fX1 = fPad->AbsPixeltoX(px); | |
122 | fY1 = fPad->AbsPixeltoY(py); | |
123 | if (fX1 < fX0) std::swap(fX0, fX1); | |
124 | if (fY1 < fY0) std::swap(fY0, fY1); | |
125 | fPad->Range(fX0, fY0, fX1, fY1); | |
126 | fPad->Modified(); | |
127 | return; | |
128 | } | |
129 | } | |
130 | ||
131 | //____________________________________________________________________ | |
1e8f773e | 132 | Int_t |
133 | AliFMDDisplay::DistancetoPrimitive(Int_t px, Int_t) | |
bf000c32 | 134 | { |
1e8f773e | 135 | // AliInfo(Form("@ (%d,%d)", px, py)); |
bf000c32 | 136 | fPad->SetCursor(kCross); |
137 | Float_t xmin = fPad->GetX1(); | |
138 | Float_t xmax = fPad->GetX2(); | |
139 | Float_t dx = .02 * (xmax - xmin); | |
140 | Float_t x = fPad->AbsPixeltoX(px); | |
141 | if (x < xmin + dx || x > xmax - dx) return 9999; | |
142 | return (fZoomMode ? 0 : 7); | |
143 | } | |
144 | //____________________________________________________________________ | |
145 | Bool_t | |
146 | AliFMDDisplay::Init() | |
147 | { | |
02a27b50 | 148 | // Initialize. GEt transforms and such, |
bf000c32 | 149 | if (!AliFMDInput::Init()) return kFALSE; |
150 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
151 | geom->Init(); | |
152 | geom->InitTransformations(); | |
153 | // AliFMDParameters* parm = AliFMDParameters::Instance(); | |
154 | // parm->Init(); | |
155 | return kTRUE; | |
156 | } | |
157 | //____________________________________________________________________ | |
158 | Bool_t | |
159 | AliFMDDisplay::Begin(Int_t event) | |
160 | { | |
02a27b50 | 161 | // Begin of event. Make canvas is not already done |
bf000c32 | 162 | if (!fCanvas) { |
163 | gStyle->SetPalette(1); | |
164 | fCanvas = new TCanvas("display", "Display", 700, 700); | |
165 | fCanvas->SetFillColor(1); | |
166 | fCanvas->ToggleEventStatus(); | |
167 | fPad = new TPad("view3D", "3DView", 0.0, 0.05, 1.0, 1.0, 1, 0, 0); | |
168 | fCanvas->cd(); | |
169 | fPad->Draw(); | |
170 | } | |
171 | if (!fButton) { | |
172 | fCanvas->cd(); | |
173 | fButton = new TButton("Continue", "AliFMDDisplay::Instance()->Continue()", | |
174 | 0, 0, .5, .05); | |
175 | fButton->Draw(); | |
176 | fZoom = new TButton("Zoom", "AliFMDDisplay::Instance()->Zoom()", | |
177 | .5, 0, .75, .05); | |
178 | fZoom->Draw(); | |
179 | fPick = new TButton("Pick", "AliFMDDisplay::Instance()->Pick()", | |
180 | .75, 0, 1, .05); | |
181 | fPick->Draw(); | |
182 | } | |
183 | AliInfo("Clearing canvas"); | |
184 | // fCanvas->Clear(); | |
185 | if (!fGeoManager) { | |
186 | Warning("End", "No geometry manager"); | |
187 | return kFALSE; | |
188 | } | |
189 | AliInfo("Drawing geometry"); | |
190 | fPad->cd(); | |
191 | fGeoManager->GetTopVolume()->Draw(); | |
192 | AliInfo("Adjusting view"); | |
193 | Int_t irep; | |
194 | if (fPad->GetView()) { | |
195 | fPad->GetView()->SetView(-200, -40, 80, irep); | |
196 | fPad->GetView()->Zoom(); | |
197 | fPad->Modified(); | |
198 | fPad->cd(); | |
199 | } | |
200 | return AliFMDInput::Begin(event); | |
201 | } | |
202 | ||
203 | //____________________________________________________________________ | |
204 | Bool_t | |
205 | AliFMDDisplay::End() | |
206 | { | |
02a27b50 | 207 | // End of event. Draw everything |
bf000c32 | 208 | fPad->cd(); |
209 | fMarkers->Draw(); | |
1e8f773e | 210 | fPad->cd(); |
bf000c32 | 211 | AppendPad(); |
1e8f773e | 212 | // fPad->Update(); |
bf000c32 | 213 | fPad->cd(); |
1e8f773e | 214 | // fCanvas->Modified(kTRUE); |
215 | //fCanvas->Update(); | |
216 | // fCanvas->cd(); | |
217 | // fPad->cd(); | |
bf000c32 | 218 | fWait = kTRUE; |
219 | while (fWait) { | |
220 | gApplication->StartIdleing(); | |
221 | gSystem->InnerLoop(); | |
222 | gApplication->StopIdleing(); | |
223 | } | |
224 | AliInfo("After idle loop"); | |
225 | fMarkers->Delete(); | |
226 | fHits->Clear(); | |
227 | AliInfo("After clearing caches"); | |
228 | return AliFMDInput::End(); | |
229 | } | |
230 | ||
231 | //____________________________________________________________________ | |
232 | Int_t | |
233 | AliFMDDisplay::LookupColor(Float_t x, Float_t max) const | |
234 | { | |
02a27b50 | 235 | // Look-up color |
bf000c32 | 236 | Int_t idx = Int_t(x / max * gStyle->GetNumberOfColors()); |
237 | return gStyle->GetColorPalette(idx); | |
238 | } | |
239 | ||
240 | ||
241 | //____________________________________________________________________ | |
242 | Bool_t | |
243 | AliFMDDisplay::ProcessHit(AliFMDHit* hit, TParticle* p) | |
244 | { | |
02a27b50 | 245 | // Process a hit |
bf000c32 | 246 | if (!hit) { AliError("No hit"); return kFALSE; } |
247 | if (!p) { AliError("No track"); return kFALSE; } | |
248 | ||
249 | fHits->Add(hit); | |
250 | Float_t size = .1; | |
251 | Float_t pt = TMath::Sqrt(hit->Py()*hit->Py()+hit->Px()*hit->Px()); | |
252 | Float_t theta = TMath::ATan2(pt, hit->Pz()); | |
253 | Float_t phi = TMath::ATan2(hit->Py(), hit->Px()); | |
254 | TMarker3DBox* marker = new TMarker3DBox(hit->X(), hit->Y(), hit->Z(), | |
255 | size, size, size, theta, phi); | |
256 | marker->SetLineColor(LookupColor(hit->Edep(), 1)); | |
257 | marker->SetRefObject(hit); | |
258 | fMarkers->Add(marker); | |
259 | return kTRUE; | |
260 | } | |
261 | ||
262 | //____________________________________________________________________ | |
263 | Bool_t | |
264 | AliFMDDisplay::ProcessDigit(AliFMDDigit* digit) | |
265 | { | |
02a27b50 | 266 | // Process a digit |
bf000c32 | 267 | if (!digit) { AliError("No digit"); return kFALSE; } |
268 | ||
269 | Double_t x, y, z; | |
270 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
271 | AliFMDParameters* parm = AliFMDParameters::Instance(); | |
272 | Double_t threshold = (parm->GetPedestal(digit->Detector(), | |
273 | digit->Ring(), | |
274 | digit->Sector(), | |
275 | digit->Strip()) | |
276 | + 4 * parm->GetPedestalWidth(digit->Detector(), | |
277 | digit->Ring(), | |
278 | digit->Sector(), | |
279 | digit->Strip())); | |
280 | if (digit->Counts() < threshold) return kTRUE; | |
281 | fHits->Add(digit); | |
282 | geom->Detector2XYZ(digit->Detector(), digit->Ring(), digit->Sector(), | |
283 | digit->Strip(), x, y, z); | |
284 | Float_t size = .1; | |
285 | Float_t r = TMath::Sqrt(x * x + y * y); | |
286 | Float_t theta = TMath::ATan2(r, z); | |
287 | Float_t phi = TMath::ATan2(y, x); | |
288 | TMarker3DBox* marker = new TMarker3DBox(x,y,z,size,size,size,theta,phi); | |
289 | marker->SetRefObject(digit); | |
290 | marker->SetLineColor(LookupColor(digit->Counts(), 1024)); | |
291 | fMarkers->Add(marker); | |
292 | return kTRUE; | |
293 | } | |
294 | ||
d760ea03 | 295 | //____________________________________________________________________ |
296 | Bool_t | |
297 | AliFMDDisplay::ProcessRaw(AliFMDDigit* digit) | |
298 | { | |
02a27b50 | 299 | // PRocess raw data |
d760ea03 | 300 | return ProcessDigit(digit); |
301 | } | |
302 | ||
bf000c32 | 303 | //____________________________________________________________________ |
304 | Bool_t | |
305 | AliFMDDisplay::ProcessRecPoint(AliFMDRecPoint* recpoint) | |
306 | { | |
02a27b50 | 307 | // Process reconstructed point |
bf000c32 | 308 | if (!recpoint) { AliError("No recpoint"); return kFALSE; } |
309 | if (recpoint->Particles() < .1) return kTRUE; | |
310 | fHits->Add(recpoint); | |
311 | Double_t x, y, z; | |
312 | AliFMDGeometry* geom = AliFMDGeometry::Instance(); | |
313 | geom->Detector2XYZ(recpoint->Detector(), recpoint->Ring(), | |
314 | recpoint->Sector(), recpoint->Strip(), x, y, z); | |
315 | ||
316 | Float_t size = .1; | |
317 | Float_t r = TMath::Sqrt(x * x + y * y); | |
318 | Float_t theta = TMath::ATan2(r, z); | |
319 | Float_t phi = TMath::ATan2(y, x); | |
320 | TMarker3DBox* marker = new TMarker3DBox(x,y,z,size,size,size,theta,phi); | |
321 | marker->SetRefObject(recpoint); | |
322 | marker->SetLineColor(LookupColor(recpoint->Particles(), 20)); | |
323 | fMarkers->Add(marker); | |
324 | return kTRUE; | |
325 | } | |
326 | ||
327 | //____________________________________________________________________ | |
328 | // | |
329 | // EOF | |
330 | // |