void testgeo(const char* rootfile)
{
// Clear global scope
gROOT->Reset();
// Load the library with class dictionary info
gSystem->Load("libWCSimRoot.so");
// Open the file, replace if you've named it something else
TFile file(rootfile);
// Get the a pointer to the tree from the file
TTree *gtree = (TTree*)file.Get("wcsimGeoT");
// Get the number of events
int nevent = gtree->GetEntries();
printf("geo nevent %d\n",nevent);
// Create a WCSimRootGeom to put stuff from the tree in
WCSimRootGeom* wcsimrootgeom = new WCSimRootGeom();
// Set the branch address for reading from the tree
TBranch *branch = gtree->GetBranch("wcsimrootgeom");
branch->SetAddress(&wcsimrootgeom);
// Now loop over "events" (should be only one for geo tree)
int ev;
for (ev=0;ev<nevent; ev++) {
// Read the event from the tree into the WCSimRootGeom instance
gtree->GetEntry(ev);
printf("Cyl radius %f\n", wcsimrootgeom->GetWCCylRadius());
printf("Cyl length %f\n", wcsimrootgeom->GetWCCylLength());
printf("PMT radius %f\n", wcsimrootgeom->GetWCPMTRadius());
printf("Offset x y z %f %f %f\n", wcsimrootgeom->GetWCOffset(0),
wcsimrootgeom->GetWCOffset(1),wcsimrootgeom->GetWCOffset(2));
int numpmt = wcsimrootgeom->GetWCNumPMT();
printf("Num PMTs %d\n", numpmt);
int i;
for (i=0;i<((numpmt<20)?numpmt:20);i++){
WCSimRootPMT pmt;
pmt = wcsimrootgeom->GetPMT(i);
printf ("pmt %d %d %d\n",i,pmt.GetTubeNo(), pmt.GetCylLoc());
printf ("position: %f %f %f\n", pmt.GetPosition(0),
pmt.GetPosition(1),pmt.GetPosition(2));
printf ("orientation: %f %f %f\n", pmt.GetOrientation(0),
pmt.GetOrientation(1),pmt.GetOrientation(2));
}
} // End of loop over events
}
void compare_wls1(TString filename="../p15m_nwls/wcsim.root",TString histoname="p15m_nwls", Int_t *flag, TString rootfile = "temp.root") {
TFile *file1;
if (*flag!=0) {
//file1 = new TFile(rootfile,"Update");
file1 = new TFile(rootfile,"RECREATE");
} else {
file1 = new TFile(rootfile,"RECREATE");
}
TString filename1;
filename1 = histoname + "_digi";
TTree *T = new TTree(filename1,filename1);
T->SetDirectory(file1);
Double_t diginpe,digitime,cor_digitime,digitheta,dis_digihit;
Int_t neve;
Double_t mom;
Double_t pos_x,pos_y,pos_z;
Double_t dir_x,dir_y,dir_z;
Double_t tube_x,tube_y,tube_z;
Double_t totankdis;
Double_t vertex[3],dir[3];
Double_t tube_pos[3];
T->Branch("digi_eve",&neve,"data/I");
T->Branch("diginpe",&diginpe,"data/D");
T->Branch("digitime",&digitime,"data/D");
T->Branch("cor_digitime",&cor_digitime,"data/D");
T->Branch("digitheta",&digitheta,"data/D");
T->Branch("dis_dighit",&dis_digihit,"data/D");
T->Branch("mom",&mom,"data/D");
T->Branch("totankdis",&totankdis,"data/D");
T->Branch("pos_x",&vertex[0],"data/D");
T->Branch("pos_y",&vertex[1],"data/D");
T->Branch("pos_z",&vertex[2],"data/D");
T->Branch("dir_x",&dir[0],"data/D");
T->Branch("dir_y",&dir[1],"data/D");
T->Branch("dir_z",&dir[2],"data/D");
T->Branch("tube_x",&tube_pos[0],"data/D");
T->Branch("tube_y",&tube_pos[1],"data/D");
T->Branch("tube_z",&tube_pos[2],"data/D");
filename1 = histoname + "_hit";
TTree *t1 = new TTree(filename1,filename1);
t1->SetDirectory(file1);
Double_t wavelength, truetime, corr_time,theta,distance,index;
Int_t qe_flag,parentid,tubeid,totalpe;
Int_t ntracks;
t1->Branch("ntracks",&ntracks,"data/I");
t1->Branch("neve",&neve,"data/I");
t1->Branch("wavelength",&wavelength,"data/D");
t1->Branch("truetime",&truetime,"data/D");
t1->Branch("corr_time",&corr_time,"data/D");
t1->Branch("theta",&theta,"data/D");
t1->Branch("distance",&distance,"data/D");
t1->Branch("index",&index,"data/D");
t1->Branch("mom",&mom,"data/D");
t1->Branch("totankdis",&totankdis,"data/D");
t1->Branch("pos_x",&vertex[0],"data/D");
t1->Branch("pos_y",&vertex[1],"data/D");
t1->Branch("pos_z",&vertex[2],"data/D");
t1->Branch("dir_x",&dir[0],"data/D");
t1->Branch("dir_y",&dir[1],"data/D");
t1->Branch("dir_z",&dir[2],"data/D");
t1->Branch("tube_x",&tube_pos[0],"data/D");
t1->Branch("tube_y",&tube_pos[1],"data/D");
t1->Branch("tube_z",&tube_pos[2],"data/D");
// t1->Branch("pos_x",&pos_x,"data/D");
// t1->Branch("pos_y",&pos_y,"data/D");
// t1->Branch("pos_z",&pos_z,"data/D");
// t1->Branch("dir_x",&dir_x,"data/D");
// t1->Branch("dir_y",&dir_y,"data/D");
// t1->Branch("dir_z",&dir_z,"data/D");
// t1->Branch("tube_x",&tube_x,"data/D");
// t1->Branch("tube_y",&tube_y,"data/D");
// t1->Branch("tube_z",&tube_z,"data/D");
t1->Branch("qe_flag",&qe_flag,"data/I");
t1->Branch("parentid",&parentid,"data/I");
t1->Branch("tubeid",&tubeid,"data/I");
t1->Branch("totalpe",&totalpe,"data/I");
TFile *file = new TFile(filename);
TTree *wcsimT = file->Get("wcsimT");
WCSimRootEvent *wcsimrootsuperevent = new WCSimRootEvent();
wcsimT->SetBranchAddress("wcsimrootevent",&wcsimrootsuperevent);
wcsimT->GetBranch("wcsimrootevent")->SetAutoDelete(kTRUE);
TTree *gtree = file->Get("wcsimGeoT");
WCSimRootGeom *wcsimrootgeom = new WCSimRootGeom();
gbranch = gtree->GetBranch("wcsimrootgeom");
gbranch->SetAddress(&wcsimrootgeom);
gtree->GetEntry(0);
WCSimRootPMT *pmt;
Double_t pmt_pos[500000][3];
for (Int_t i=0; i!=wcsimrootgeom->GetWCNumPMT(); i++) {
pmt_pos[i][0] = (wcsimrootgeom->GetPMT(i)).GetPosition(0);
pmt_pos[i][1] = (wcsimrootgeom->GetPMT(i)).GetPosition(1);
pmt_pos[i][2] = (wcsimrootgeom->GetPMT(i)).GetPosition(2);
}
//in terms of wavelength (total NPE) real hit
filename1 = histoname + "_total_wl";
TH1F *hqx = new TH1F(filename1,filename1,600,200,800);
//NPE in each event sum over digi hit
filename1 = histoname + "_total_npe";
TH1F *hqx2 = new TH1F(filename1,filename1,1000,0.,10000);
//digitized hit time
filename1 = histoname + "_digitime";
TH1F *hqx1 = new TH1F(filename1,filename1,500,900,1400);
//corrected digitized hit time
filename1 = histoname + "_cor_digitime";
TH1F *hqx4 = new TH1F(filename1,filename1,1000,400,1400);
//digitized hit angle
filename1 = histoname + "_digitheta";
TH1F *hqx5 = new TH1F(filename1,filename1,180,0,180);
//TH2F *h1 = new TH2F("h1","h1",100,1000,20000,100,90000,140000);
Double_t index = 1.333;
neve = *flag;
cout << histoname << "\t" << wcsimT->GetEntries() << endl;
for (Int_t j=0; j!=wcsimT->GetEntries(); j++) {
//for (Int_t j=0;j!=90;j++){
// cout << j << endl;
wcsimT->GetEvent(j);
neve ++;
WCSimRootTrigger *wcsimrootevent = wcsimrootsuperevent->GetTrigger(0);
temp = (TClonesArray*)wcsimrootevent->GetTracks();
Int_t ntrack = wcsimrootevent->GetNtrack();
//cout << ntrack << endl;
ntracks = ntrack;
mom = ((WCSimRootTrack*)temp->At(ntrack-1))->GetP();
//get the vertex information
vertex[0] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetStart(0);
vertex[1] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetStart(1);
vertex[2] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetStart(2);
//get position information
dir[0] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetDir(0);
dir[1] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetDir(1);
dir[2] = ((WCSimRootTrack*)temp->At(ntrack-1))->GetDir(2);
totankdis=ToTankDistance(vertex,dir);
TVector3 vertex3(vertex[0],vertex[1],vertex[2]);
TVector3 dir3(dir[0],dir[1],dir[2]);
//loop through digi hit
int max = wcsimrootevent->GetNcherenkovdigihits();
double sum = 0;
for (int i=0; i<max; i++) {
// cout << max << "\t" << i << endl;
WCSimRootCherenkovDigiHit *cDigiHit = ((WCSimRootCherenkovDigiHit*)wcsimrootevent->GetCherenkovDigiHits()->At(i));
hqx1->Fill(cDigiHit->GetT());
tube_pos[0] = pmt_pos[(cDigiHit->GetTubeId()-1)][0];
tube_pos[1] = pmt_pos[(cDigiHit->GetTubeId()-1)][1];
tube_pos[2] = pmt_pos[(cDigiHit->GetTubeId()-1)][2];
TVector3 hit3(tube_pos[0],tube_pos[1],tube_pos[2]);
TVector3 dis = hit3-vertex3;
diginpe = cDigiHit->GetQ();
digitime = cDigiHit->GetT();
cor_digitime = digitime-dis.Mag()/299792458.*1.333*1.e7;
digitheta = dis.Angle(dir3)/3.1415926*180.;
dis_digihit = dis.Mag();
hqx4->Fill(cor_digitime,diginpe);
hqx5->Fill(digitheta,diginpe);
sum += diginpe;
T->Fill();
}
hqx2->Fill(sum);
//loop through real hit
//loop through PMT hit first
max = wcsimrootevent-> GetNcherenkovhits();
//cout << max << endl;
if (max ==0) {
t1->Fill();
}
for (int i=0; i<max; i++) {
WCSimRootCherenkovHit* wcsimrootcherenkovhit =
dynamic_cast<WCSimRootCherenkovHit*>((wcsimrootevent->GetCherenkovHits())->At(i));
totalpe = wcsimrootcherenkovhit->GetTotalPe(1);
tubeid = wcsimrootcherenkovhit->GetTubeID() ;
//loop through hit time etc
for (int k=0; k<totalpe; k++) {
TObject *element2 = (wcsimrootevent->GetCherenkovHitTimes())->
At(wcsimrootcherenkovhit->GetTotalPe(0)+k);
WCSimRootCherenkovHitTime *wcsimrootcherenkovhittime
= dynamic_cast<WCSimRootCherenkovHitTime*>(element2);
wavelength =wcsimrootcherenkovhittime->GetWavelength();
qe_flag = wcsimrootcherenkovhittime->GetQe_flag();
truetime = wcsimrootcherenkovhittime->GetTruetime();
parentid = wcsimrootcherenkovhittime->GetParentID();
pos_x = wcsimrootcherenkovhittime->GetPosX() ;
pos_y = wcsimrootcherenkovhittime->GetPosY() ;
pos_z = wcsimrootcherenkovhittime->GetPosZ() ;
dir_x = wcsimrootcherenkovhittime->GetDirX() ;
dir_y = wcsimrootcherenkovhittime->GetDirY() ;
dir_z = wcsimrootcherenkovhittime->GetDirZ() ;
tube_pos[0] = pmt_pos[tubeid-1][0];
tube_pos[1] = pmt_pos[tubeid-1][1];
tube_pos[2] = pmt_pos[tubeid-1][2];
tube_x = tube_pos[0];
tube_y = tube_pos[1];
tube_z = tube_pos[2];
TVector3 hit3(tube_pos[0],tube_pos[1],tube_pos[2]);
TVector3 dis = hit3-vertex3;
distance = dis.Mag();
theta = dis.Angle(dir3)/3.1415926*180.;
//index = index(wavelength);
index = 1.34;
corr_time = truetime - distance/299792458.*1e7*index;
if (qe_flag==1) {
hqx->Fill(wavelength);
}
t1->Fill();
}
}
}
if (flag==1) {
hqx->SetDirectory(file1);
hqx2->SetDirectory(file1);
hqx1->SetDirectory(file1);
hqx4->SetDirectory(file1);
hqx5->SetDirectory(file1);
file1->Write();
file1->Close();
} else {
hqx->SetDirectory(file1);
hqx2->SetDirectory(file1);
hqx1->SetDirectory(file1);
hqx4->SetDirectory(file1);
hqx5->SetDirectory(file1);
file1->Write();
file1->Close();
}
*flag = neve;
}
void pmtremove(TString infile, TString outfile, double removefrac)
{
// read old geometry from the input rootfile
TFile *f2 = new TFile(infile);
TTree *oldtree = (TTree*)f2->Get("wcsimGeoT");
WCSimRootGeom* oldgeom = new WCSimRootGeom();
TBranch *gb = oldtree->GetBranch("wcsimrootgeom");
gb->SetAddress(&oldgeom);
oldtree->GetEntry(0);
int oldpmtnum = oldgeom->GetWCNumPMT();
Printf("Initial Number of PMTs: %d", oldpmtnum);
// set up the new output file
TFile *f3 = new TFile(outfile,"RECREATE");
TTree *newtree = oldtree->CloneTree(0);
WCSimRootGeom* newgeom = new WCSimRootGeom();
newtree->SetBranchAddress("wcsimrootgeom",&newgeom);
newgeom->SetWCCylRadius(oldgeom->GetWCCylRadius());
newgeom->SetWCCylLength(oldgeom->GetWCCylLength());
newgeom->SetMailBox_x(oldgeom->GetMailBox_x());
newgeom->SetMailBox_y(oldgeom->GetMailBox_y());
newgeom->SetMailBox_z(oldgeom->GetMailBox_z());
newgeom->SetGeo_Type(oldgeom->GetGeo_Type());
newgeom->SetWCOffset(oldgeom->GetWCOffset(0),
oldgeom->GetWCOffset(1),
oldgeom->GetWCOffset(2));
newgeom->SetOrientation(oldgeom->GetOrientation());
newgeom->SetWCPMTRadius(oldgeom->GetWCPMTRadius());
// associates old PMTs with new PMTs Index into it is the old pmt number,
// gives back new PMT number. If PMT is removed, this array has -1 in it.
const int asize = oldpmtnum + 1;
int pmtassoc[asize];
int newpmtnum = 0;
int ict = 0; // old floor count
for (int i=0;i<oldpmtnum;i++)
{
WCSimRootPMT pmt = oldgeom->GetPMT(i);
int oldtubeno = pmt.GetTubeNo();
double ft = removefrac*( (double) i);
int icc = (int) floor(ft); // check to see when this rolls around another integer
if ( ict != icc)
{
ict = icc;
pmtassoc[oldtubeno] = -1; // and remove this tube
}
else
{
pmtassoc[oldtubeno] = newpmtnum+1;
float rot[3];
float pos[3];
for (int j=0;j<3;j++)
{
rot[j] = pmt.GetOrientation(j);
pos[j] = pmt.GetPosition(j);
}
newgeom->SetPMT(newpmtnum,newpmtnum+1,pmt.GetCylLoc(),rot,pos,true);
newpmtnum++;
}
//if (i<100) std::cout << "input pmt: " << i << " " << oldtubeno << " assoc: " << pmtassoc[oldtubeno] << std::endl;
}
newgeom->SetWCNumPMT(newpmtnum);
std::cout << "New PMT count: " << newpmtnum << std::endl;
newtree->Fill();
newtree->Write();
//-------------------------------------------------------------------------------------------
//---------- Go through events -- drop PMT hits and renumber PMTs with the ones we have.
//-------------------------------------------------------------------------------------------
TTree *oldevtree = (TTree*) f2->Get("wcsimT");
int nevent = oldevtree->GetEntries();
std::cout << "Number of events: " << nevent << std::endl;
// Create a WCSimRootEvent to put stuff from the old tree in
WCSimRootEvent* oldsuperevent = new WCSimRootEvent();
TBranch *branch = oldevtree->GetBranch("wcsimrootevent");
branch->SetAddress(&oldsuperevent);
// Force deletion to prevent memory leak
oldevtree->GetBranch("wcsimrootevent")->SetAutoDelete(kTRUE);
// Initialize the output tree
TTree *newevtree = oldevtree->CloneTree(0);
WCSimRootEvent *newsuperevent = new WCSimRootEvent();
newsuperevent->Initialize();
newevtree->SetBranchAddress("wcsimrootevent",&newsuperevent);
// Now loop over events
for (int ev=0; ev<nevent; ev++)
{
// Read the event from the tree into the WCSimRootEvent instance
oldevtree->GetEntry(ev);
// new output event -- allocate memory here and let it go out of scope at the end of the loop.
// performance isn't so much an issue here.
for (int itrigger = 0; itrigger < oldsuperevent->GetNumberOfEvents(); itrigger++)
{
//std::cout << "about to get a trigger: Event: " << ev << " Trigger: " << itrigger << std::endl;
WCSimRootTrigger *oldtrigger;
oldtrigger = oldsuperevent->GetTrigger(itrigger);
if (itrigger > 0) newsuperevent->AddSubEvent(); // don't have to add the first trigger, done by initialize
WCSimRootTrigger *newtrigger = newsuperevent->GetTrigger(itrigger);
WCSimRootEventHeader *oldheader = oldtrigger->GetHeader();
newtrigger->SetHeader(oldheader->GetEvtNum(),oldheader->GetRun(),oldheader->GetDate(),oldheader->GetSubEvtNumber());
newtrigger->SetMode(oldtrigger->GetMode());
newtrigger->SetVtxvol(oldtrigger->GetVtxvol());
for (int i=0;i<3;i++) newtrigger->SetVtx(i,oldtrigger->GetVtx(i));
newtrigger->SetJmu(oldtrigger->GetJmu());
newtrigger->SetJp(oldtrigger->GetJp());
newtrigger->SetNpar(oldtrigger->GetNpar());
WCSimRootPi0 *pi0info = oldtrigger->GetPi0Info();
float pi0vtx[3],gammae[2],gammavtx[2][3];
int gammaid[2];
for (int i=0;i<3;i++)
{
pi0vtx[i] = pi0info->GetPi0Vtx(i);
gammavtx[0][i] = pi0info->GetGammaVtx(0,i);
gammavtx[1][i] = pi0info->GetGammaVtx(1,i);
}
for (int i=0;i<2;i++)
{
gammaid[i] = pi0info->GetGammaID(i);
gammae[i] = pi0info->GetGammaE(i);
}
newtrigger->SetPi0Info(pi0vtx,gammaid,gammae,gammavtx);
// Get the number of tracks
int ntrack = oldtrigger->GetNtrack();
//printf("ntracks=%d\n",ntrack);
// Loop through elements in the TClonesArray of WCSimTracks
for (int i=0; i<ntrack; i++)
{
TObject *element = (oldtrigger->GetTracks())->At(i);
WCSimRootTrack *track = dynamic_cast<WCSimRootTrack*>(element);
float dir[3],pdir[3],stop[3],start[3];
for (int j=0;j<3;j++)
{
dir[j] = track->GetDir(j);
pdir[j] = track->GetPdir(j);
stop[j] = track->GetStop(j);
start[j] = track->GetStart(j);
}
newtrigger->AddTrack(track->GetIpnu(),
track->GetFlag(),
track->GetM(),
track->GetP(),
track->GetE(),
track->GetStartvol(),
track->GetStopvol(),
dir,
pdir,
stop,
start,
track->GetParenttype(),
track->GetTime(),
track->GetId());
} // End of loop over tracks
// stopped here March 22 -- keep copying info from the old trigger to the new trigger
// Now look at the Cherenkov hits
// Get the number of Cherenkov hits.
// Note... this is *NOT* the number of photons that hit tubes.
// It is the number of tubes hit with Cherenkov photons.
// The number of digitized tubes will be smaller because of the threshold.
// Each hit "raw" tube has several photon hits. The times are recorded.
// See chapter 5 of ../doc/DetectorDocumentation.pdf
// for more information on the structure of the root file.
//
// For digitized info (one time/charge tube after a trigger) use
// the digitized information.
//
int ncherenkovhits = oldtrigger->GetNcherenkovhits();
int ncherenkovdigihits = oldtrigger->GetNcherenkovdigihits();
// Grab the big arrays of times and parent IDs
TClonesArray *timeArray = oldtrigger->GetCherenkovHitTimes();
// Loop through elements in the TClonesArray of WCSimRootCherenkovHits and copy info for non-removed PMT's
for (int i=0; i< ncherenkovhits; i++)
{
TObject *Hit = (oldtrigger->GetCherenkovHits())->At(i);
WCSimRootCherenkovHit *wcsimrootcherenkovhit = dynamic_cast<WCSimRootCherenkovHit*>(Hit);
int tubeNumber = wcsimrootcherenkovhit->GetTubeID();
int timeArrayIndex = wcsimrootcherenkovhit->GetTotalPe(0);
int peForTube = wcsimrootcherenkovhit->GetTotalPe(1);
if (tubeNumber < 1 || tubeNumber > oldpmtnum)
{
std::cout << "Error in pmtremove: tube number out of range: " << tubeNumber << " max: " << oldpmtnum << std::endl;
exit(0); // die if we get a bad tube number
}
int newtubenumber = pmtassoc[tubeNumber];
if (newtubenumber > 0) // keep the tube's hits
{
vector<float> truetime;
vector<int> ppid;
for (int j=0; j<peForTube; j++)
{
WCSimRootCherenkovHitTime *HitTime = dynamic_cast<WCSimRootCherenkovHitTime*>(timeArray->At(timeArrayIndex+j));
truetime.push_back(HitTime->GetTruetime());
ppid.push_back(HitTime->GetParentID());
}
newtrigger->AddCherenkovHit(newtubenumber,truetime,ppid);
}
} // End of loop over Cherenkov hits
// Copy digitized hits for non-removed PMT's, and recompute sumq
float sumq = 0;
for (int i=0;i<ncherenkovdigihits;i++)
{
// Loop through elements in the TClonesArray of WCSimRootCherenkovDigiHits
TObject *element = (oldtrigger->GetCherenkovDigiHits())->At(i);
WCSimRootCherenkovDigiHit *wcsimrootcherenkovdigihit =
dynamic_cast<WCSimRootCherenkovDigiHit*>(element);
int tubeNumber = wcsimrootcherenkovdigihit->GetTubeId();
if (tubeNumber < 1 || tubeNumber > oldpmtnum)
{
std::cout << "Error in pmtremove: tube number out of range: " << tubeNumber << " max: " << oldpmtnum << std::endl;
exit(0); // die if we get a bad tube number
}
int newtubenumber = pmtassoc[tubeNumber];
if (newtubenumber > 0) // keep the tube's hits
{
newtrigger->AddCherenkovDigiHit(wcsimrootcherenkovdigihit->GetQ(),
wcsimrootcherenkovdigihit->GetT(),
newtubenumber);
sumq += wcsimrootcherenkovdigihit->GetQ();
}
//if ( i < 10 ) // Only print first XX=10 tubes
//printf("q, t, tubeid: %f %f %d \n",wcsimrootcherenkovdigihit->GetQ(),
// wcsimrootcherenkovdigihit->GetT(),wcsimrootcherenkovdigihit->GetTubeId());
} // End of loop over Cherenkov digihits
newtrigger->SetSumQ(sumq);
//if (ev<100) { std::cout << "Sum charge: " << ev << " " << itrigger << " " << oldtrigger->GetSumQ() << " " << sumq << std::endl; }
} // End of loop over triggers in the event
newevtree->Fill();
newevtree->Write();
// reinitialize super events between loops.
oldsuperevent->ReInitialize();
newsuperevent->ReInitialize();
} // End of loop over events
delete f2;
delete f3;
}
// Simple example of reading a generated Root file
void testgeo(char *filename=NULL)
{
// Clear global scope
gROOT->Reset();
// Load the library with class dictionary info
// (create with "gmake shared")
char* wcsimdirenv;
wcsimdirenv = getenv ("WCSIMDIR");
if(wcsimdirenv != NULL){
gSystem->Load("${WCSIMDIR}/libWCSimRoot.so");
}else{
gSystem->Load("../libWCSimRoot.so");
}
// Open the file
TFile *file;
if (filename==NULL){
file = new TFile("../wcsim.root","read");
}else{
file = new TFile(filename,"read");
}
if (!file->IsOpen()){
cout << "Error, could not open input file: " << filename << endl;
return -1;
}
// Get the a pointer to the tree from the file
TTree *gtree = (TTree*)file->Get("wcsimGeoT");
// Get the number of events
int nevent = gtree->GetEntries();
printf("geo nevent %d\n",nevent);
// Create a WCSimRootGeom to put stuff from the tree in
WCSimRootGeom* wcsimrootgeom = new WCSimRootGeom();
// Set the branch address for reading from the tree
TBranch *branch = gtree->GetBranch("wcsimrootgeom");
branch->SetAddress(&wcsimrootgeom);
// Now loop over "events" (should be only one for geo tree)
int ev;
for (ev=0;ev<nevent; ev++) {
// Read the event from the tree into the WCSimRootGeom instance
gtree->GetEntry(ev);
printf("Cyl radius %f\n", wcsimrootgeom->GetWCCylRadius());
printf("Cyl length %f\n", wcsimrootgeom->GetWCCylLength());
printf("PMT radius %f\n", wcsimrootgeom->GetWCPMTRadius());
printf("Offset x y z %f %f %f\n", wcsimrootgeom->GetWCOffset(0),
wcsimrootgeom->GetWCOffset(1),wcsimrootgeom->GetWCOffset(2));
int numpmt = wcsimrootgeom->GetWCNumPMT();
printf("Num PMTs %d\n", numpmt);
int i;
for (i=0;i<((numpmt<20)?numpmt:20);i++){
WCSimRootPMT pmt;
pmt = wcsimrootgeom->GetPMT(i);
printf ("pmt %d %d %d\n",i,pmt.GetTubeNo(), pmt.GetCylLoc());
printf ("position: %f %f %f\n", pmt.GetPosition(0),
pmt.GetPosition(1),pmt.GetPosition(2));
printf ("orientation: %f %f %f\n", pmt.GetOrientation(0),
pmt.GetOrientation(1),pmt.GetOrientation(2));
}
} // End of loop over events
}