StVirtualEventFilter.cxx

#include "StVirtualEventFilter.h"

//                                                                      //
// StVirtualEventFilter virtual base class is to create the variuous    //
// user-defined filters                                                 //
//                                                                      //
// $Id: StVirtualEventFilter.cxx,v 1.11 2000/03/24 20:35:21 fine Exp $   //
//                                                                      //
// This class defines the intreface to define                           //
// a graphics attribute:                                                //
//   for example: size and style. The value the Channel methods return  //
//                could be used a color index for grapgics filtering    //
//                                                                      //
// and a trivial selection as well                                      //
//  to reply whether the object does satisfy some user                  //
//  defined conditions.                                                 //
//  For that the return value = 0 means the event supplied              //
//  did not pass the filter and should not be drawn at all              //
//                                                                      //
//     Channel       Parameters                                         //
//    -------------  -----------------------------                      //
// 1. StGlobalTrack  *globTrack                                         //
// 2. StObjArray     *hitCollection                                     //
// 3. TTableSorter *tableObject,Int_t index                           //
// 4. StVertex       *vertexObject                                      //
// 5. TTable       *tableObject, Int_t rowNumber                      //
//                                                                      //
// User should derive his own class and overload the "Channel" methods  //
// with the signature those fit his/her current needs                   //
//                                                                      //
// Submit any problem with this code via begin_html <A HREF="http://www.star.bnl.gov/STARAFS/comp/sofi/bugs/send-pr.html"><B><I>"STAR Problem Report Form"</I></B></A> end_html
//                                                                      //

ClassImp(StVirtualEventFilter)
//_____________________________________________________________________________
Int_t StVirtualEventFilter::GetFlag(){ return m_ActiveFlag;}

//_____________________________________________________________________________
Int_t StVirtualEventFilter::Channel(StGlobalTrack *,Size_t &,Style_t &)
{
   static Int_t colorTrack = kRed;
   colorTrack++;
   if (colorTrack > 20) colorTrack = kRed;
   return GetFlag() ? colorTrack : 0 ;
}
//_____________________________________________________________________________
Int_t StVirtualEventFilter::Channel(const StObjArray *,Size_t &,Style_t &)
{return GetFlag()? kYellow : 0 ;}

//_____________________________________________________________________________
Int_t StVirtualEventFilter::Channel(const TTableSorter *,Int_t index,Size_t &,Style_t &)
{ return GetFlag()? (kGreen+index)%20 : 0 ;}
//_____________________________________________________________________________
Int_t StVirtualEventFilter::Channel(const StVertex *,Size_t &,Style_t &)
{ return GetFlag()? kBlue : 0 ; }

//_____________________________________________________________________________
Int_t StVirtualEventFilter::Channel(const TTable *,Int_t rowNumber,Size_t &,Style_t &)
{ return GetFlag()? (kGreen+rowNumber)%20 : 0 ;}

//_____________________________________________________________________________
// $Log: StVirtualEventFilter.cxx,v $
// Revision 1.11  2000/03/24 20:35:21  fine
// adjusted to ROOT 2.24. Doesn't work yet. Under development
//
// Revision 1.10  2000/01/24 21:12:23  fine
// new comments
//
// Revision 1.9  2000/01/24 20:57:22  fine
// new comments
//
// Revision 1.8  2000/01/12 18:07:22  fine
//  cvs symbols have been added and copyright class introduced
//
//_____________________________________________________________________________