// @(#)root/table:$Name: $:$Id: TTable3Points.cxx,v 1.4 2006/07/11 09:05:02 rdm Exp $ // Author: Valery Fine 10/05/99 (E-mail: fine@bnl.gov) /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #include "TTable3Points.h" /////////////////////////////////////////////////////////////////////////////////// // // TTable3Points class is to create 3D view of any 3 columns of the TTable objects // with one and the same "key column value". // // For example all values of the column "x[0]" "x[1]" "x[2]" of theg2t_tpc_hit
table // from the rows with one and same "track_id" column value will be regarded // as an image of one and the same "track". // The last means all those points will be painted with one and the same 3D // attributes like "color", "size", "style", "light","markers", "connections" etc. // // The original TTable object must be pre-sorted by "key column" via TTableSorter // class // // void CreatePoints(Tg2t_tpc_hit *points) // { // g2t_tpc_hit_st *p = points->GetTable(); // // TTable3Points *track = 0; // TString tr; // tr = "track_p"; // TTable &ttt = *((TTable *)points); // // Track2Line MUST be on heap otherwise 3D view will crash just code leaves this // // subroutine // We will assemble all points by its "track_p" field. // // TTableSorter *Track2Line = new TTableSorter (ttt,"track_p"); // // Int_t i = 0; // Char_t buffer[10]; // Int_t ntracks = 0; // const Int_t maxtracks = 5; ////---------------------------- Fill tracks ------------------- // long currentId = -1; // long newId = 0; // g2t_tpc_hit_st *hitPoint = 0; // TVolume *thisTrack[7] = {0,0,0,0,0,0,0}; // seven volumes for 7 different colors // Int_t MaxRowtoCount = 5000; // 5000; // Int_t MaxTracks = Track2Line->CountKeys(); // MaxTracks = 100; // for (i=0;i<Track2Line->GetNRows() && ntracks < MaxTracks ;i++) // { // hitPoint = p + Track2Line->GetIndex(i); // newId = hitPoint->track_p; // if (newId != currentId) { // The hit for the new track has been found // // const Char_t *xName = "x[0]"; // const Char_t *yName = "x[1]"; // const Char_t *zName = "x[2]"; // // track = new TTable3Points(Track2Line,(const void *)&newId,xName,yName,zName); // // // Create a shape for this node // TPolyLineShape *trackShape = new TPolyLineShape(track); // trackShape->SetVisibility(1); // Int_t colorIndx = ntracks%7; // trackShape->SetColorAttribute(colorIndx+kGreen); // trackShape->SetLineStyle(1); // trackShape->SetSizeAttribute(2); // // Create a node to hold it // if (!thisTrack[colorIndx]) { // thisTrack[colorIndx] = new TVolume("hits","hits",trackShape); // thisTrack[colorIndx]->Mark(); // thisTrack[colorIndx]->SetVisibility(); // TVolumePosition *pp = hall->Add(thisTrack[colorIndx]); // if (!pp) printf(" no position %d\n",ntrack); // } // else // thisTrack[colorIndx]->Add(trackShape); // currentId = newId; // ntracks++; // } // } // /////////////////////////////////////////////////////////////////////////////////// ClassImp(TTable3Points) //________________________________________________________________________________ TTable3Points::TTable3Points():fColumnOffset(0) { //to be documented } //________________________________________________________________________________ TTable3Points::TTable3Points(TTableSorter *sorter,const void *key, const Char_t *xName, const Char_t *yName, const Char_t *zName ,Option_t *opt) : TTablePoints(sorter,key,opt) { //to be documented fColumnOffset = new ULong_t [kTotalSize]; SetXColumn(xName); SetYColumn(yName); SetZColumn(zName); } //________________________________________________________________________________ TTable3Points::TTable3Points(TTableSorter *sorter,Int_t keyIndex, const Char_t *xName, const Char_t *yName, const Char_t *zName ,Option_t *opt) : TTablePoints(sorter,keyIndex,opt) { //to be documented fColumnOffset = new ULong_t [kTotalSize]; SetXColumn(xName); SetYColumn(yName); SetZColumn(zName); } //________________________________________________________________________________ TTable3Points::~TTable3Points() { //to be documented SafeDelete(fColumnOffset); } //________________________________________________________________________________ Float_t TTable3Points::GetAnyPoint(Int_t idx, EPointDirection xAxis) const { //to be documented Float_t point = 0; TTable *table = 0; if (fTableSorter) table = fTableSorter->GetTable(); if (table) { const Char_t *tablePtr = ((Char_t *)table->At(Indx(idx))) + fColumnOffset[xAxis] ; point = *((Float_t *)tablePtr); } return point; } //____________________________________________________________________________ void TTable3Points::SetAnyColumn(const Char_t *anyName, EPointDirection indx) { //to be documented fColumnOffset[indx] = fTableSorter->GetTable()->GetOffset(anyName); if (fColumnOffset[indx] == ULong_t(-1)) MakeZombie(); } //____________________________________________________________________________ Float_t *TTable3Points::GetXYZ(Float_t *xyz,Int_t idx, Int_t num) const { //to be documented if (xyz) { Int_t size = TMath::Min(idx+num,Size()); Int_t j=0; for (Int_t i=idx;i<size;i++) { xyz[j++] = GetX(i); xyz[j++] = GetY(i); xyz[j++] = GetZ(i); } } return xyz; }