void JointsTree::setup(ofxBox2d* _box2d, float x, float y)
{
box2d = _box2d;
m_world = box2d->getWorld();
createChain(x, y);
}
void BillboardLine::setupChains()
{
uint32_t total_points = max_points_per_line_ * num_lines_;
uint32_t num_chains = total_points / MAX_ELEMENTS;
if (total_points % MAX_ELEMENTS != 0)
{
++num_chains;
}
for (uint32_t i = chains_.size(); i < num_chains; ++i)
{
createChain();
}
lines_per_chain_ = MAX_ELEMENTS / max_points_per_line_;
V_Chain::iterator it = chains_.begin();
V_Chain::iterator end = chains_.end();
for (;it != end; ++it)
{
(*it)->setMaxChainElements(max_points_per_line_);
// shorten the number of chains in the last bbchain, to avoid memory wasteage
if (it + 1 == end)
{
uint32_t lines_left = num_lines_ % lines_per_chain_;
(*it)->setNumberOfChains(lines_left);
}
else
{
(*it)->setNumberOfChains(lines_per_chain_);
}
}
}
// Set up PhysX
void InitializePhysX() {
gFoundation = PxCreateFoundation(PX_FOUNDATION_VERSION, gAllocator, gErrorCallback);
gPvd = PxCreatePvd(*gFoundation);
PxPvdTransport* transport = PxDefaultPvdSocketTransportCreate("127.0.0.1", 5425, 10);
gPvd->connect(*transport, PxPvdInstrumentationFlag::eALL);
gPhysics = PxCreatePhysics(PX_PHYSICS_VERSION, *gFoundation, PxTolerancesScale(), true, gPvd);
PxSceneDesc sceneDesc(gPhysics->getTolerancesScale());
sceneDesc.gravity = PxVec3(0.0f, -9.81f, 0.0f);
gDispatcher = PxDefaultCpuDispatcherCreate(2);
sceneDesc.cpuDispatcher = gDispatcher;
sceneDesc.filterShader = contactReportFilterShader/*PxDefaultSimulationFilterShader*/;
sceneDesc.simulationEventCallback = &gContactReportCallback; // contact callback
sceneDesc.contactModifyCallback = &gModContactReportCallback; // modification contact callback
gScene = gPhysics->createScene(sceneDesc);
PxPvdSceneClient* pvdClient = gScene->getScenePvdClient();
if (pvdClient)
{
pvdClient->setScenePvdFlag(PxPvdSceneFlag::eTRANSMIT_CONSTRAINTS, true);
pvdClient->setScenePvdFlag(PxPvdSceneFlag::eTRANSMIT_CONTACTS, true);
pvdClient->setScenePvdFlag(PxPvdSceneFlag::eTRANSMIT_SCENEQUERIES, true);
}
gMaterial = gPhysics->createMaterial(0.5f, 0.5f, 0.6f);
// add some physics objects
AddPhyObjects();
createChain(PxTransform(PxVec3(10.0f, 30.0f, -30.0f)), 5, PxBoxGeometry(2.0f, 0.5f, 0.5f), 4.0f, createLimitedSpherical);
createChain(PxTransform(PxVec3(0.0f, 30.0f, -30.0f)), 5, PxBoxGeometry(2.0f, 0.5f, 0.5f), 4.0f, createBreakableFixed);
createChain(PxTransform(PxVec3(-10.0f, 30.0f, -30.0f)), 5, PxBoxGeometry(2.0f, 0.5f, 0.5f), 4.0f, createDampedD6);
gScene->setVisualizationParameter(PxVisualizationParameter::eSCALE, 1.0f);
gScene->setVisualizationParameter(PxVisualizationParameter::eACTOR_AXES, 1.0f);
gScene->setVisualizationParameter(PxVisualizationParameter::eCOLLISION_SHAPES, 2.0f);
gScene->setVisualizationParameter(PxVisualizationParameter::eCONTACT_NORMAL, 2.0f);
}
void QChain::setVertices(const std::vector<QPointF> &v) {
m_vertices = v;
createChain();
}
int main(int argc, char* argv[])
{
TFile* file = new TFile("neutrons.root", "recreate");
TChain* chain = createChain(argc, argv);
// Assign addresses
double target_charge, veto_charge, target_cb, veto_cb;
unsigned long long time;
chain->SetBranchAddress("target_total", &target_charge);
chain->SetBranchAddress("veto_total", &veto_charge);
chain->SetBranchAddress("target_cb", &target_cb);
chain->SetBranchAddress("veto_cb", &veto_cb);
chain->SetBranchAddress("time", &time);
const int chainEntries = chain->GetEntries();
const double adc2us = 4/1000.0;
const int maxCharge = 30000;
TH1F* histogram = new TH1F("timing", "timing", 2000, 0, 2000);
TH1F* neutrons = new TH1F("nspec", "neutron spectrum", 200, 0, maxCharge);
TH1F* hydrogen = new TH1F("nhspec", "capture on hydrogen", 200, 0, maxCharge);
TH1F* externals = new TH1F("externspec", "externals", 200, 0, maxCharge);
TH1F* tsa_neutrons = new TH1F("tsa_spec", "neutron spectrum from tsa plot", 200, 0, maxCharge);
TH1I* multiplicity = new TH1I("mult", "Event multiplicity", 20, 0, 20);
unsigned long long t1=0;
unsigned long long t2=0;
unsigned long long t3=0;
// cuts
const double max_target_cb = 0.5;
const double max_veto_charge = 500;
const double min_target_charge = 0;
const double tale_min = 800;
const double tale_max = 2000;
const double neutrons_min = 0;
const double neutrons_time = 50;
const double hydro_min = 100;
const double hydro_max = 150;
double previous_charge = 0;
// TSA Plots
const int nbins = 100;
double logmin = -0.3;
double logmax = 4.5;
double binwidth = (logmax-logmin)/double(nbins);
double bin_array[nbins+1];
bin_array[0]=std::pow(10, logmin);
for(int i=1; i<=nbins; i++)
bin_array[i]=bin_array[0]+std::pow(10,logmin + i*binwidth);
TH2F* tsa = new TH2F("tsa", "time series analysis", nbins, bin_array, nbins, bin_array);
// Keep track of timing in order to get multiplicity
std::vector<unsigned long long> time_vec;
time_vec.resize(1, 0);
for(int evt=0; evt<chainEntries; ++evt)
{
// Print out progress
if(!(evt%1000))
std::cout << std::floor(double(evt)/chainEntries*100) << "%\r";
previous_charge = target_charge;
chain->GetEvent(evt);
if(veto_charge<max_veto_charge &&
target_charge>min_target_charge &&
target_cb < max_target_cb )
{
t3=t2;
t2=t1;
t1=time;
double d12 = (t1-t2)*adc2us;
double d23 = (t2-t3)*adc2us;
tsa->Fill(d23, d12);
if((time-time_vec[0])*adc2us < 50)
time_vec.push_back(time);
else
{
multiplicity->Fill(time_vec.size());
time_vec.clear();
time_vec.push_back(time);
}
histogram->Fill(d12);
if(d12 < neutrons_time && d12 > neutrons_min)
neutrons->Fill(target_charge);
if(d12 < tale_max && d12 > tale_min)
externals->Fill(target_charge);
if(d12 < hydro_max && d12 > hydro_min)
hydrogen->Fill(target_charge);
if(d12 < neutrons_time && d23 < neutrons_time)
tsa_neutrons->Fill(previous_charge);
}
}
std::cout << std::endl;
// Events in tale:
TF1* fitter_extern = new TF1("fitter_extern", "[0]*TMath::Exp([1]*x)",
0, 2000);
fitter_extern->SetParameters(1000, -4e-4);
histogram->Fit(fitter_extern, "QO", "", tale_min, tale_max);
TF1* fitter_h = new TF1("fitter_h", "[0]*TMath::Exp([1]*x)",
0, 2000);
fitter_h->SetParameters(1000, -4e-3);
histogram->Fit(fitter_h, "QO+", "", hydro_min, hydro_max);
int tale_events = fitter_extern->Integral(tale_min, tale_max);
int bkg_events = fitter_extern->Integral(neutrons_min, neutrons_time);
int h_long_events = fitter_h->Integral(hydro_min, hydro_max);
int h_short_events = fitter_h->Integral(neutrons_min, neutrons_time);
double talebkgratio = bkg_events / double(tale_events);
externals->Scale(talebkgratio);
double h_ratio = h_short_events / h_long_events;
hydrogen->Scale(h_ratio);
TH1F* pureNeutrons = new TH1F("pureNeutrons", "pureNeutrons", 200, 0, maxCharge);
for(int i=0; i<neutrons->GetNbinsX(); i++)
pureNeutrons->SetBinContent(i, neutrons->GetBinContent(i) - externals->GetBinContent(i)
- hydrogen->GetBinContent(i));
file->Write();
std::cout << "Wrote histograms to neutrons.root" << std::endl;
// TRint* app = new TRint("EVIL", &argc, argv);
// TCanvas* c1 = new TCanvas();
//c1->Divide(1,2);
//c1->cd(1);
//histogram->Draw();
//fitter_h->Draw("same");
//fitter_extern->Draw("same");
//c1->cd(2);
// externals->SetLineColor(kBlack);
// neutrons->SetLineColor(kGreen);
// pureNeutrons->SetLineColor(kRed);
// hydrogen->SetLineColor(kBlue);
// neutrons->Draw();
// externals->Draw("same");
// hydrogen->Draw("same");
// pureNeutrons->Draw("same");
//app->Run();
delete histogram;
delete externals;
delete neutrons;
delete pureNeutrons;
//delete c1;
delete chain;
delete file;
return 0;
}
void createTrees()
{
for (Int_t i = 0; i < noChains; i++)
createChain(chainNames[i], chainConstatns[i]);
}
