1 #ifndef AliFMDDISPLAY_H
2 #define AliFMDDISPLAY_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights
6 * See cxx source for full Copyright notice
8 /** @file AliFMDDisplay.h
9 @author Christian Holm Christensen <cholm@nbi.dk>
10 @date Mon Mar 27 12:39:09 2006
11 @brief FMD Event display
13 //___________________________________________________________________
15 // The classes defined here, are utility classes for reading in data
16 // for the FMD. They are put in a seperate library to not polute the
17 // normal libraries. The classes are intended to be used as base
18 // classes for customized class that do some sort of analysis on the
19 // various types of data produced by the FMD.
21 #include "AliFMDInput.h"
22 #include <TObjArray.h>
30 //___________________________________________________________________
31 /** @class AliFMDDisplay
32 @brief Utility class to visualize FMD data in geometry.
35 class AliFMDDisplay : public AliFMDInput
39 @param onlyFMD Only show the FMD
40 @param gAliceFile galice file*/
41 AliFMDDisplay(Bool_t onlyFMD=kTRUE, const char* gAliceFile="galice.root");
43 virtual ~AliFMDDisplay();
44 /** Singleton access function
45 @return Singleton object. */
46 static AliFMDDisplay* Instance();
48 /** Continue to next event */
49 void Continue() { fWait = kFALSE; }
50 /** Run throug events as fast as possible */
51 void Start() { fContinous = kTRUE; fWait = kFALSE; }
52 /** Pause the processing */
53 void Pause() { fContinous = kFALSE; fWait = kTRUE; }
55 void Zoom() { fZoomMode = kTRUE; }
57 void Pick() { fZoomMode = kFALSE; }
58 /** Redisplay the event */
59 virtual void Redisplay(); // *MENU*
63 virtual void Render();
66 virtual void ChangeCut();
68 virtual void ChangeFactor();
69 /** Called when a mouse or similar event happens in the display.
70 @param event Event type
71 @param px where the event happened in pixels along X
72 @param py where the event happened in pixels along Y */
73 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
74 /** Calculate distance from point @f$ (p_x,p_y)@f$ to this object.
75 @param px Pixel X coordinate
76 @param py Pixel Y coordinate
78 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
80 @param option Not used */
81 virtual void Paint(Option_t* option="") { (void)option; }
84 @return @c false on error */
85 virtual Bool_t Init();
86 /** Called at beginning of an event
87 @param event Event number
88 @return @c false on error */
89 virtual Bool_t Begin(Int_t event);
90 /** Called at end of an event
91 @return @c false on error */
96 @return @c false on error */
97 virtual Bool_t ProcessHit(AliFMDHit* hit, TParticle* p);
99 @param digit Digit to draw
100 @return @c false on error */
101 virtual Bool_t ProcessDigit(AliFMDDigit* digit);
102 /** Visualize a summable digit
103 @param sdigit Summable digit to draw
104 @return @c false on error */
105 virtual Bool_t ProcessSDigit(AliFMDSDigit* sdigit);
106 /** Visualize a raw digit
107 @param digit Raw digit.
108 @return @c false on error */
109 virtual Bool_t ProcessRawDigit(AliFMDDigit* digit);
110 /** Visualize a reconstructed point.
111 @param recpoint Reconstructed point
112 @return @c false on error */
113 virtual Bool_t ProcessRecPoint(AliFMDRecPoint* recpoint);
114 /** Process ESD data for the FMD. Users should overload this to
116 @param d Detector number (1-3)
117 @param r Ring identifier ('I' or 'O')
118 @param s Sector number (0-19, or 0-39)
119 @param t Strip number (0-511, or 0-255)
120 @param eta Psuedo-rapidity
121 @param mult Psuedo-multiplicity
122 @return @c false on error */
123 virtual Bool_t ProcessESD(UShort_t d, Char_t r, UShort_t s, UShort_t t,
124 Float_t eta, Float_t mult);
125 /** Look up a color index, based on the value @a x and the maximum
128 @param max Maximum (for example 1023 for digits)
129 @return @c false on error */
130 virtual Int_t LookupColor(Float_t x, Float_t min, Float_t max) const;
132 /** Set range of displayed values */
133 virtual void SetCut(Float_t l=0., Float_t h=1.); //*MENU*
136 @param o Object to copy from */
137 AliFMDDisplay(const AliFMDDisplay& o)
165 /** Assignment operator
166 @return Reference to this object */
167 AliFMDDisplay& operator=(const AliFMDDisplay&) { return *this; }
168 /** Add a marker to the display
172 @param o Object to refer to
174 @param max Maximum of signal */
175 virtual void AddMarker(Float_t x, Float_t y, Float_t z,
176 TObject* o, Float_t s, Float_t min, Float_t max);
177 /** Add a marker to the display
182 @param o Object to refer to
184 @param max Maximum of signal */
185 virtual void AddMarker(UShort_t det, Char_t rng, UShort_t sec, UShort_t str,
186 TObject* o, Float_t s, Float_t min, Float_t max);
188 /** Show only the FMD detectors. */
190 /** Make base canvas */
191 virtual void MakeCanvas(const char** which);
192 virtual void MakeAux();
193 virtual void DrawAux();
195 virtual void AtEnd();
196 virtual Bool_t InsideCut(Float_t v, const Float_t& min,
197 const Float_t& max) const;
199 static AliFMDDisplay* fgInstance; // Static instance
200 Bool_t fWait; // Wait until user presses `Continue'
201 TObjArray* fMarkers; // Cache of markers
202 TObjArray* fHits; // Cache of `hits'
203 TCanvas* fCanvas; // Canvas to draw in
204 TPad* fPad; // View pad.
205 TObjArray fButtons; // Continue button
206 TSlider* fSlider; // Cut slider
207 TSlider* fFactor; // Factor slider
208 Bool_t fZoomMode; // Whether we're in Zoom mode
209 Float_t fX0; // X at lower left corner or range
210 Float_t fY0; // Y at lower left corner or range
211 Float_t fX1; // X at upper right corner or range
212 Float_t fY1; // Y at upper right corner or range
213 Int_t fXPixel; // X pixel of mark
214 Int_t fYPixel; // Y pixel of mark
215 Int_t fOldXPixel; // Old x pixel of mark
216 Int_t fOldYPixel; // Old y pixel of mark
217 Bool_t fLineDrawn; // Whether we're drawing a box
218 Bool_t fOnlyFMD; // Whether to only do FMD
219 TH1* fSpec; // Spectra
220 TH1* fSpecCut; // Cut spectra
221 TCanvas* fAux; // Aux canvas.
222 Bool_t fReturn; // Stop
232 static const Range_t fgkEdepRange;
233 static const Range_t fgkAdcRange;
234 static const Range_t fgkMultRange;
236 ClassDef(AliFMDDisplay,0) // FMD specialised event display
240 //____________________________________________________________________