PHOS/PHOS-HTML/AliPHOSTrackSegment.html

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   9 <title>AliPHOSTrackSegment</title>
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  19 <center>
  20 <h1>AliPHOSTrackSegment</h1>
  21 <hr width=300>
  22 <!--SDL--><em><a href=#AliPHOSTrackSegment:description>class description</a> - <a href="src/AliPHOSTrackSegment.cxx.html">source file</a> - <a href="AliPHOSTrackSegment_Tree.ps">inheritance tree</a></em>
  23 <hr width=300>
  24 </center>
  25 <h2>class <a name="AliPHOSTrackSegment" href="AliPHOSTrackSegment.h">AliPHOSTrackSegment</a> : public TObject</h2>
  26 <pre>
  27
  28 <!--TAB4-->    <b>public:</b><br>
  29 <!--TAB6-->       <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:AliPHOSTrackSegment">AliPHOSTrackSegment</a><!--PLAIN-->()
  30 <!--TAB6-->       <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:AliPHOSTrackSegment">AliPHOSTrackSegment</a><!--PLAIN-->(<a href="./AliPHOSEmcRecPoint.html">AliPHOSEmcRecPoint</a>* EmcRecPoint, <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* PpsdUp, <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* PpsdLow)
  31 <!--TAB6-->       <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:AliPHOSTrackSegment">AliPHOSTrackSegment</a><!--PLAIN-->(const <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a>&amp; ts)
  32 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:~AliPHOSTrackSegment">~AliPHOSTrackSegment</a><!--PLAIN-->()
  33 <!--TAB6-->                   TClass* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Class">Class</a><!--PLAIN-->()
  34 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Copy">Copy</a><!--PLAIN-->(TObject&amp; obj)
  35 <!--TAB6-->             virtual <a href="ListOfTypes.html#Int_t">Int_t</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:DistancetoPrimitive">DistancetoPrimitive</a><!--PLAIN-->(<a href="ListOfTypes.html#Int_t">Int_t</a> px, <a href="ListOfTypes.html#Int_t">Int_t</a> py)
  36 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Draw">Draw</a><!--PLAIN-->(<a href="ListOfTypes.html#Option_t">Option_t</a>* option)
  37 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:ExecuteEvent">ExecuteEvent</a><!--PLAIN-->(<a href="ListOfTypes.html#Int_t">Int_t</a> event, <a href="ListOfTypes.html#Int_t">Int_t</a> px, <a href="ListOfTypes.html#Int_t">Int_t</a> py)
  38 <!--TAB6-->                   <a href="ListOfTypes.html#Float_t">Float_t</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetDistanceInPHOSPlane">GetDistanceInPHOSPlane</a><!--PLAIN-->()
  39 <!--TAB6-->       <a href="./AliPHOSEmcRecPoint.html">AliPHOSEmcRecPoint</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetEmcRecPoint">GetEmcRecPoint</a><!--PLAIN-->() const
  40 <!--TAB6-->                   <a href="ListOfTypes.html#Float_t">Float_t</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetEnergy">GetEnergy</a><!--PLAIN-->()
  41 <!--TAB6-->                  TVector3 <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetMomentumDirection">GetMomentumDirection</a><!--PLAIN-->()
  42 <!--TAB6-->             virtual <a href="ListOfTypes.html#Int_t">Int_t</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPHOSMod">GetPHOSMod</a><!--PLAIN-->()
  43 <!--TAB6-->                      <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPosition">GetPosition</a><!--PLAIN-->(TVector3&amp; pos)
  44 <!--TAB6-->      <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPpsdLow">GetPpsdLow</a><!--PLAIN-->() const
  45 <!--TAB6-->      <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPpsdUp">GetPpsdUp</a><!--PLAIN-->() const
  46 <!--TAB6-->                    <a href="ListOfTypes.html#Int_t">Int_t</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPrimariesEmc">GetPrimariesEmc</a><!--PLAIN-->(<a href="ListOfTypes.html#Int_t">Int_t</a>&amp; number)
  47 <!--TAB6-->                    <a href="ListOfTypes.html#Int_t">Int_t</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPrimariesPpsdLow">GetPrimariesPpsdLow</a><!--PLAIN-->(<a href="ListOfTypes.html#Int_t">Int_t</a>&amp; number)
  48 <!--TAB6-->                    <a href="ListOfTypes.html#Int_t">Int_t</a>* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:GetPrimariesPpsdUp">GetPrimariesPpsdUp</a><!--PLAIN-->(<a href="ListOfTypes.html#Int_t">Int_t</a>&amp; number)
  49 <!--TAB6-->           virtual TClass* <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:IsA">IsA</a><!--PLAIN-->() const
  50 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Paint">Paint</a><!--PLAIN-->(<a href="ListOfTypes.html#Option_t">Option_t</a>* option)
  51 <!--TAB6-->                      <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Print">Print</a><!--PLAIN-->()
  52 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:ShowMembers">ShowMembers</a><!--PLAIN-->(TMemberInspector&amp; insp, <a href="ListOfTypes.html#char">char</a>* parent)
  53 <!--TAB6-->              virtual <a href="ListOfTypes.html#void">void</a> <!--TAB--><!--BOLD--><a href="#AliPHOSTrackSegment:Streamer">Streamer</a><!--PLAIN-->(TBuffer&amp; b)
  54
  55 <h3><!--TAB2-->  <a name="AliPHOSTrackSegment:Data Members">Data Members</a></h3>
  56 <!--TAB4-->    <b>private:</b><br>
  57 <!--TAB6-->       <a href="./AliPHOSEmcRecPoint.html">AliPHOSEmcRecPoint</a>* <!--TAB--><!--BOLD--><a name="AliPHOSTrackSegment:fEmcRecPoint">fEmcRecPoint</a><!--PLAIN-->  <!--TAB--><i><a name="Title:fEmcRecPoint">The EMC reconstructed point</a></i>
  58 <!--TAB6-->      <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <!--TAB--><!--BOLD--><a name="AliPHOSTrackSegment:fPpsdLow">fPpsdLow</a><!--PLAIN-->      <!--TAB--><i><a name="Title:fPpsdLow">The PPSD reconstructed point from the lower layer</a></i>
  59 <!--TAB6-->      <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <!--TAB--><!--BOLD--><a name="AliPHOSTrackSegment:fPpsdUp">fPpsdUp</a><!--PLAIN-->       <!--TAB--><i><a name="Title:fPpsdUp">The PPSD reconstructed point from the upper layer</a></i>
  60 </pre>
  61 <!--END-->
  62 <hr>
  63 <!--DESCRIPTION--><h2><a name="AliPHOSTrackSegment:description">Class Description</a></h2>
  64 <pre>  Track segment in PHOS
  65   Can be : 1 EmcRecPoint
  66            1 EmcRecPoint + 1 PPSD
  67            1 EmcRecPoint + 1 PPSD + 1 PPSD
  68
  69 *-- Author:  Dmitri Peressounko (RRC KI &amp; SUBATECH)
  70 </pre><hr>
  71 <!--FUNCTION--> <a name="AliPHOSTrackSegment:AliPHOSTrackSegment" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:AliPHOSTrackSegment">AliPHOSTrackSegment</a>( <a href="./AliPHOSEmcRecPoint.html">AliPHOSEmcRecPoint</a> * emc , <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a> * ppsdRP1,
  72                   <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a> * ppsdRP2  )
  73 <br>
  74 <pre> ctor
  75 </pre><hr>
  76 <!--FUNCTION--> <a name="AliPHOSTrackSegment:AliPHOSTrackSegment" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:AliPHOSTrackSegment">AliPHOSTrackSegment</a>( const <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> &amp; ts)
  77 <br>
  78 <pre> Copy ctor
  79 </pre><hr>
  80 <!--FUNCTION--><a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:Copy" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:Copy">Copy</a>(TObject &amp; obj)
  81 <br>
  82 <pre> Copy of a track segment into another track segment
  83 </pre><hr>
  84 <!--FUNCTION--><a href="ListOfTypes.html#Int_t">Int_t</a> <a name="AliPHOSTrackSegment:DistancetoPrimitive" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:DistancetoPrimitive">DistancetoPrimitive</a>(<a href="ListOfTypes.html#Int_t">Int_t</a> px, <a href="ListOfTypes.html#Int_t">Int_t</a> py)
  85 <br>
  86 <pre> Compute distance from point px,py to  a <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> considered as a Tmarker
  87  Compute the closest distance of approach from point px,py to this marker.
  88  The distance is computed in pixels units.
  89 </pre><hr>
  90 <!--FUNCTION--> <a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:Draw" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:Draw">Draw</a>(<a href="ListOfTypes.html#Option_t">Option_t</a> *option)
  91  <br>
  92 <pre> Draw this <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> with its current attribute
  93 </pre><hr>
  94 <!--FUNCTION--><a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:ExecuteEvent" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:ExecuteEvent">ExecuteEvent</a>(<a href="ListOfTypes.html#Int_t">Int_t</a> event, <a href="ListOfTypes.html#Int_t">Int_t</a> px, <a href="ListOfTypes.html#Int_t">Int_t</a> py)
  95 <br>
  96 <pre> Execute action corresponding to one event
  97   This member function is called when a <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> is clicked with the locator
  98
  99   If Left button is clicked on <a href="./AliPHOSRecPoint.html">AliPHOSRecPoint</a>, the digits are switched on
 100   and switched off when the mouse button is released.
 101 </pre><hr>
 102 <!--FUNCTION--><a href="ListOfTypes.html#Float_t">Float_t</a> <a name="AliPHOSTrackSegment:GetDistanceInPHOSPlane" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetDistanceInPHOSPlane">GetDistanceInPHOSPlane</a>()
 103 <br>
 104 <pre> Calculates the distance between the EMC RecPoint and PPSD RecPoint
 105 </pre><hr>
 106 <!--FUNCTION-->TVector3 <a name="AliPHOSTrackSegment:GetMomentumDirection" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetMomentumDirection">GetMomentumDirection</a>()
 107 <br>
 108 <pre> Calculates the momentum direction:
 109    1. if only a EMC RecPoint, direction is given by IP and this RecPoint
 110    2. if a EMC RecPoint and one PPSD RecPoint, direction is given by the line through the 2 recpoints
 111    3. if a EMC RecPoint and two PPSD RecPoints, dirrection is given by the average line through
 112       the 2 pairs of recpoints
 113  However because of the poor position resolution of PPSD the direction is always taken as if we were
 114   in case 1.
 115 </pre><hr>
 116 <!--FUNCTION--><a href="ListOfTypes.html#Int_t">Int_t</a>* <a name="AliPHOSTrackSegment:GetPrimariesEmc" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetPrimariesEmc">GetPrimariesEmc</a>(<a href="ListOfTypes.html#Int_t">Int_t</a> &amp; number)
 117 <br>
 118 <pre> Retrieves the primary particle(s) at the origin of the EMC RecPoint
 119 </pre><hr>
 120 <!--FUNCTION--><a href="ListOfTypes.html#Int_t">Int_t</a>* <a name="AliPHOSTrackSegment:GetPrimariesPpsdLow" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetPrimariesPpsdLow">GetPrimariesPpsdLow</a>(<a href="ListOfTypes.html#Int_t">Int_t</a> &amp; number)
 121 <br>
 122 <pre> Retrieves the primary particle(s) at the origin of the lower PPSD RecPoint
 123 </pre><hr>
 124 <!--FUNCTION--><a href="ListOfTypes.html#Int_t">Int_t</a>* <a name="AliPHOSTrackSegment:GetPrimariesPpsdUp" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetPrimariesPpsdUp">GetPrimariesPpsdUp</a>(<a href="ListOfTypes.html#Int_t">Int_t</a> &amp; number)
 125 <br>
 126 <pre> Retrieves the primary particle(s) at the origin of the upper PPSD  RecPoint
 127 </pre><hr>
 128 <!--FUNCTION--><a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:GetPosition" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:GetPosition">GetPosition</a>( TVector3 &amp; pos )
 129 <br>
 130 <pre> Returns position of the EMC RecPoint
 131 </pre><hr>
 132 <!--FUNCTION--><a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:Paint" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:Paint">Paint</a>(<a href="ListOfTypes.html#Option_t">Option_t</a> *)
 133 <br>
 134 <pre> Paint this ALiPHOSTrackSegment as a TMarker  with its current attributes
 135 </pre><hr>
 136 <!--FUNCTION--><a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:Print" href="src/AliPHOSTrackSegment.cxx.html#AliPHOSTrackSegment:Print">Print</a>()
 137 <br>
 138 <pre> Print all information on this track Segment
 139 </pre><br><br><br>
 140 <h3>Inline Functions</h3>
 141 <hr>
 142 <pre>
 143 <!--INLINE FUNCTION--><!--TAB6-->         <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a> <a name="AliPHOSTrackSegment:AliPHOSTrackSegment" href="AliPHOSTrackSegment.h">AliPHOSTrackSegment</a>(const <a href="./AliPHOSTrackSegment.html">AliPHOSTrackSegment</a>&amp; ts)
 144 <!--INLINE FUNCTION--><!--TAB6-->                     <a href="ListOfTypes.html#Float_t">Float_t</a> <a name="AliPHOSTrackSegment:GetEnergy" href="AliPHOSTrackSegment.h">GetEnergy</a>()
 145 <!--INLINE FUNCTION--><!--TAB6-->                       <a href="ListOfTypes.html#Int_t">Int_t</a> <a name="AliPHOSTrackSegment:GetPHOSMod" href="AliPHOSTrackSegment.h">GetPHOSMod</a>()
 146 <!--INLINE FUNCTION--><!--TAB6-->         <a href="./AliPHOSEmcRecPoint.html">AliPHOSEmcRecPoint</a>* <a name="AliPHOSTrackSegment:GetEmcRecPoint" href="AliPHOSTrackSegment.h">GetEmcRecPoint</a>() const
 147 <!--INLINE FUNCTION--><!--TAB6-->        <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <a name="AliPHOSTrackSegment:GetPpsdLow" href="AliPHOSTrackSegment.h">GetPpsdLow</a>() const
 148 <!--INLINE FUNCTION--><!--TAB6-->        <a href="./AliPHOSPpsdRecPoint.html">AliPHOSPpsdRecPoint</a>* <a name="AliPHOSTrackSegment:GetPpsdUp" href="AliPHOSTrackSegment.h">GetPpsdUp</a>() const
 149 <!--INLINE FUNCTION--><!--TAB6-->                     TClass* <a name="AliPHOSTrackSegment:Class" href="AliPHOSTrackSegment.h">Class</a>()
 150 <!--INLINE FUNCTION--><!--TAB6-->                     TClass* <a name="AliPHOSTrackSegment:IsA" href="AliPHOSTrackSegment.h">IsA</a>() const
 151 <!--INLINE FUNCTION--><!--TAB6-->                        <a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:ShowMembers" href="AliPHOSTrackSegment.h">ShowMembers</a>(TMemberInspector&amp; insp, <a href="ListOfTypes.html#char">char</a>* parent)
 152 <!--INLINE FUNCTION--><!--TAB6-->                        <a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:Streamer" href="AliPHOSTrackSegment.h">Streamer</a>(TBuffer&amp; b)
 153 <!--INLINE FUNCTION--><!--TAB6-->                        <a href="ListOfTypes.html#void">void</a> <a name="AliPHOSTrackSegment:~AliPHOSTrackSegment" href="AliPHOSTrackSegment.h">~AliPHOSTrackSegment</a>()
 154 </pre>
 155
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