| 1 | /////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | // CORParticle
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| 4 | //
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| 5 | // Created: Tue Apr 28 16:43:30 1998
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| 6 | // Author: Jose Carlos Gonzales
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| 7 | // Purpose: Base class for Particles/Cherenkov photons
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| 8 | // Notes:
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| 9 | //
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| 10 | /////////////////////////////////////////////////////////////////
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| 11 |
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| 12 | // @T \newpage
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| 13 |
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| 14 | // @section Source code of {\tt CORParticle.hxx}
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| 15 |
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| 16 | /* @text
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| 17 | This section shows the include file {\tt CORParticle.hxx}
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| 18 | @endtext */
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| 19 |
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| 20 | #ifndef CORParticle_Class
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| 21 | #define CORParticle_Class
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| 22 |
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| 23 | // @subsection Include files
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| 24 |
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| 25 | // @code
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| 26 | #include "TROOT.h"
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| 27 | #include "TObject.h"
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| 28 |
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| 29 | #include <iostream.h>
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| 30 | #include <iomanip.h>
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| 31 | #include <fstream.h>
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| 32 | #include <stdlib.h>
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| 33 | #include <math.h>
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| 34 | // @endcode
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| 35 |
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| 36 | // @subsection Class {\em CORParticle}: Definition
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| 37 |
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| 38 | // @code
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| 39 | class CORParticle {
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| 40 |
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| 41 | public:
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| 42 | Float_t w; // wavelength/type of particle [nm/-]
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| 43 | Float_t x, y; // position [cm]
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| 44 | Float_t u, v; // director cosines
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| 45 | Float_t t; // time since first interaction [ns]
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| 46 | Float_t h; // height [cm]
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| 47 |
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| 48 | public:
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| 49 | CORParticle() {} // default constructor
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| 50 |
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| 51 | // overloaded constructor
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| 52 | CORParticle( ifstream &is ) { CORParticle::read( is ); }
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| 53 |
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| 54 | // overloaded constructor
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| 55 | CORParticle(Float_t thew, Float_t thex, Float_t they,
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| 56 | Float_t theu, Float_t thev, Float_t thet, Float_t theh)
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| 57 | {
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| 58 | w = thew;
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| 59 | x = thex;
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| 60 | y = they;
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| 61 | u = theu;
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| 62 | v = thev;
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| 63 | t = thet;
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| 64 | h = theh;
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| 65 | }
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| 66 |
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| 67 | virtual ~CORParticle() {} // default destructor
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| 68 |
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| 69 | // reads photon from binary input stream
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| 70 | Int_t read ( ifstream &is ) {
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| 71 | int n;
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| 72 | is.read ( (char *)this, 7 * sizeof( Float_t ) ); //
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| 73 | return is.gcount();
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| 74 | }
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| 75 |
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| 76 | // writes photon to binary output stream
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| 77 | Int_t write ( ofstream &os ) {
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| 78 | os.write ( (char *)this, 7 * sizeof( Float_t ) );
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| 79 | return 0;
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| 80 | }
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| 81 |
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| 82 | // fill information
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| 83 | inline void fill(Float_t thew, Float_t thex, Float_t they,
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| 84 | Float_t theu, Float_t thev, Float_t thet, Float_t theh)
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| 85 | {
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| 86 | w = thew;
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| 87 | x = thex;
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| 88 | y = they;
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| 89 | u = theu;
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| 90 | v = thev;
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| 91 | t = thet;
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| 92 | h = theh;
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| 93 | }
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| 94 |
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| 95 |
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| 96 | // print content of one particle
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| 97 | inline void print()
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| 98 | {
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| 99 | cout << " PartId: " << get_particle()
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| 100 | << " Pos: " << x << "/" << y
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| 101 | << " lam: " << w - 1000.*((int)floor(w/1000.))
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| 102 | << " hei: " << h
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| 103 | << " tim: " << t
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| 104 | << " dir: " << u << "/" << v
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| 105 | << endl ;
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| 106 | }
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| 107 |
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| 108 | // get information about the photon
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| 109 | inline Float_t get_wl( void ) {
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| 110 | return ( (w>1.0) ?
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| 111 | w - 1000.*((int)floor(w/1000.)) :
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| 112 | 0.0 );
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| 113 | }
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| 114 | inline Float_t get_id( void ) { return ( w ); }
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| 115 | inline Int_t get_particle( void ) {
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| 116 | return ( (int)floor(w/1000.) );
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| 117 | }
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| 118 | inline Float_t get_x( void ) { return ( x ); }
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| 119 | inline Float_t get_y( void ) { return ( y ); }
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| 120 | inline Float_t get_u( void ) { return ( u ); }
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| 121 | inline Float_t get_v( void ) { return ( v ); }
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| 122 | inline Float_t get_h( void ) { return ( h ); }
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| 123 | inline Float_t get_t( void ) { return ( t ); }
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| 124 |
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| 125 | inline Float_t get_r( void ) { return ( sqrt( x*x + y*y ) ); }
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| 126 | inline Float_t get_w( void ) { return ( sqrt( 1.0 - u*u - v*v ) ); }
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| 127 | };
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| 128 |
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| 129 | // @endcode
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| 130 |
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| 131 | #endif // not defined CORParticle_Class
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| 132 |
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