// @(#)root/star:$Name:  $:$Id: TTablePoints.cxx,v 1.3 2003/01/27 20:41:37 brun Exp $
// Author: Valery Fine   14/05/99  (E-mail: fine@bnl.gov)

// ***********************************************************************
// * Observer to draw use ant TTable object as an element of "event" geometry
// * Copyright(c) 1997~1999  [BNL] Brookhaven National Laboratory, STAR, All rights reserved
// * Author                  Valerie Fine  (fine@bnl.gov)
// * Copyright(c) 1997~1999  Valerie Fine  (fine@bnl.gov)
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// *
// * Permission to use, copy, modify and distribute this software and its
// * documentation for any purpose is hereby granted without fee,
// * provided that the above copyright notice appear in all copies and
// * that both that copyright notice and this permission notice appear
// * in supporting documentation.  Brookhaven National Laboratory makes no
// * representations about the suitability of this software for any
// * purpose.  It is provided "as is" without express or implied warranty.
// ************************************************************************

#include "TTablePoints.h"

///////////////////////////////////////////////////////////////////////////////////////
//                                                                                   //
//   Defines the TTable as an element of "event" geometry                            //
//                                                                                   //
//  +SEQ,TTablePoints.                                                               //
//  +SEQ,T<your_table_name_here>.                                                    //
//                                                                                   //
//  class T<your_table_name_here>_Points : public TTablePoints                       //
//  {                                                                                //
//    public:                                                                        //
//       T<your_table_name_here>_Points(TTableSorter *sorter,const void *key,Option_t *opt):
//                TTablePoints(sorter,key,opt){}                                     //
//       virtual  ~T<your_table_name_here>_Points(){} // default destructor          //
//       virtual Float_t GetX(Int_t indx) { return ((<your_table_name_here>_st *)fRows)[Indx(idx)]-> <x>;}               //
//       virtual Float_t GetY(Int_t indx) { return ((<your_table_name_here>_st *)fRows)[Indx(idx)]-> <y>;}               //
//       virtual Float_t GetZ(Int_t indx) { return ((<your_table_name_here>_st *)fRows)[Indx(idx)]-> <z>;}               //
//  };                                                                               //
//                                                                                   //
///////////////////////////////////////////////////////////////////////////////////////

ClassImp(TTablePoints)

//____________________________________________________________________________
TTablePoints::TTablePoints()
{
  fTableSorter =  0;
  fKey         =  0;
  fFirstRow    = -1;
  fSize        =  0;
}

//____________________________________________________________________________
TTablePoints::TTablePoints(TTableSorter *sorter,const void *key,Option_t *opt)
{
  fTableSorter =  0;
  fKey         =  0;
  fFirstRow    = -1;
  fSize        =  0;
  if (sorter) {
     fTableSorter = sorter;
     fKey         = key;
     fSize        = sorter->CountKey(fKey,0,kTRUE,&fFirstRow);
     SetTablePointer(GetTable());
  }
  SetOption(opt);
}

//____________________________________________________________________________
TTablePoints::TTablePoints(TTableSorter *sorter, Int_t keyIndex,Option_t *opt)
{
  fTableSorter =  0;
  fKey         =  0;
  fFirstRow    = -1;
  fSize        =  0;
  if (sorter) {
     fTableSorter = sorter;
     fKey         = sorter->GetKeyAddress(keyIndex);
     fSize        = sorter->CountKey(fKey,keyIndex,kFALSE,&fFirstRow);
     SetTablePointer(GetTable());
  }
  SetOption(opt);
}

//______________________________________________________________________________
 Int_t TTablePoints::DistancetoPrimitive(Int_t /*px*/, Int_t /*py*/)
{
//*-*-*-*-*-*-*Compute distance from point px,py to a 3-D points *-*-*-*-*-*-*
//*-*          =====================================================
//*-*
//*-*  Compute the closest distance of approach from point px,py to each segment
//*-*  of the polyline.
//*-*  Returns when the distance found is below DistanceMaximum.
//*-*  The distance is computed in pixels units.
//*-*
//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
   return -1;
}


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