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>
29 //___________________________________________________________________
30 /** @class AliFMDDisplay
31 @brief Utility class to visualize FMD data in geometry.
34 class AliFMDDisplay : public AliFMDInput
38 @param onlyFMD Only show the FMD
39 @param gAliceFile galice file*/
40 AliFMDDisplay(Bool_t onlyFMD=kTRUE, const char* gAliceFile="galice.root");
42 virtual ~AliFMDDisplay();
43 /** Singleton access function
44 @return Singleton object. */
45 static AliFMDDisplay* Instance();
47 /** Continue to next event */
48 void Continue() { fWait = kFALSE; }
50 void Zoom() { fZoomMode = kTRUE; }
52 void Pick() { fZoomMode = kFALSE; }
53 /** Redisplay the event */
54 virtual void Redisplay(); // *MENU*
58 virtual void Render();
61 virtual void ChangeCut();
63 virtual void ChangeFactor();
64 /** Called when a mouse or similar event happens in the display.
65 @param event Event type
66 @param px where the event happened in pixels along X
67 @param py where the event happened in pixels along Y */
68 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
69 /** Calculate distance from point @f$ (p_x,p_y)@f$ to this object.
70 @param px Pixel X coordinate
71 @param py Pixel Y coordinate
73 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
75 @param option Not used */
76 virtual void Paint(Option_t* option="") { (void)option; }
79 @return @c false on error */
80 virtual Bool_t Init();
81 /** Called at beginning of an event
82 @param event Event number
83 @return @c false on error */
84 virtual Bool_t Begin(Int_t event);
85 /** Called at end of an event
86 @return @c false on error */
91 @return @c false on error */
92 virtual Bool_t ProcessHit(AliFMDHit* hit, TParticle* p);
94 @param digit Digit to draw
95 @return @c false on error */
96 virtual Bool_t ProcessDigit(AliFMDDigit* digit);
97 /** Visualize a raw digit
98 @param digit Raw digit.
99 @return @c false on error */
100 virtual Bool_t ProcessRaw(AliFMDDigit* digit);
101 /** Visualize a reconstructed point.
102 @param recpoint Reconstructed point
103 @return @c false on error */
104 virtual Bool_t ProcessRecPoint(AliFMDRecPoint* recpoint);
105 /** Process ESD data for the FMD. Users should overload this to
107 @param d Detector number (1-3)
108 @param r Ring identifier ('I' or 'O')
109 @param s Sector number (0-19, or 0-39)
110 @param t Strip number (0-511, or 0-255)
111 @param eta Psuedo-rapidity
112 @param mult Psuedo-multiplicity
113 @return @c false on error */
114 virtual Bool_t ProcessESD(UShort_t d, Char_t r, UShort_t s, UShort_t t,
115 Float_t eta, Float_t mult);
116 /** Look up a color index, based on the value @a x and the maximum
119 @param max Maximum (for example 1023 for digits)
120 @return @c false on error */
121 virtual Int_t LookupColor(Float_t x, Float_t min, Float_t max) const;
124 @param o Object to copy from */
125 AliFMDDisplay(const AliFMDDisplay& o)
151 /** Assignment operator
152 @return Reference to this object */
153 AliFMDDisplay& operator=(const AliFMDDisplay&) { return *this; }
154 /** Add a marker to the display
158 @param o Object to refer to
160 @param max Maximum of signal */
161 virtual void AddMarker(Float_t x, Float_t y, Float_t z,
162 TObject* o, Float_t s, Float_t min, Float_t max);
163 /** Add a marker to the display
168 @param o Object to refer to
170 @param max Maximum of signal */
171 virtual void AddMarker(UShort_t det, Char_t rng, UShort_t sec, UShort_t str,
172 TObject* o, Float_t s, Float_t min, Float_t max);
174 /** Show only the FMD detectors. */
176 /** Make base canvas */
177 virtual void MakeCanvas(const char** which);
178 virtual void MakeAux();
179 virtual void DrawAux();
181 virtual void AtEnd();
182 virtual Bool_t InsideCut(Float_t v, const Float_t& min,
183 const Float_t& max) const;
185 static AliFMDDisplay* fgInstance; // Static instance
186 Bool_t fWait; // Wait until user presses `Continue'
187 TObjArray* fMarkers; // Cache of markers
188 TObjArray* fHits; // Cache of `hits'
189 TCanvas* fCanvas; // Canvas to draw in
190 TPad* fPad; // View pad.
191 TObjArray fButtons; // Continue button
192 TSlider* fSlider; // Cut slider
193 TSlider* fFactor; // Factor slider
194 Bool_t fZoomMode; // Whether we're in Zoom mode
195 Float_t fX0; // X at lower left corner or range
196 Float_t fY0; // Y at lower left corner or range
197 Float_t fX1; // X at upper right corner or range
198 Float_t fY1; // Y at upper right corner or range
199 Int_t fXPixel; // X pixel of mark
200 Int_t fYPixel; // Y pixel of mark
201 Int_t fOldXPixel; // Old x pixel of mark
202 Int_t fOldYPixel; // Old y pixel of mark
203 Bool_t fLineDrawn; // Whether we're drawing a box
204 Bool_t fOnlyFMD; // Whether to only do FMD
205 TH1* fSpec; // Spectra
206 TH1* fSpecCut; // Cut spectra
207 TCanvas* fAux; // Aux canvas.
208 Bool_t fReturn; // Stop
209 ClassDef(AliFMDDisplay,0) // FMD specialised event display
213 //____________________________________________________________________