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#include <TVector3.h>
#include <vector>
#include <TTree.h>
#include <string>
struct Photon {
double time;
TVector3 position;
TVector3 direction;
TVector3 polarization;
double wavelength; // nm
unsigned int history;
int last_hit_triangle;
ClassDef(Photon, 1);
};
struct Track {
std::string particle;
TVector3 position;
TVector3 direction;
double start_time;
double total_energy;
ClassDef(Track, 1);
};
struct MC {
std::string particle;
TVector3 gen_position;
TVector3 gen_direction;
double gen_total_energy;
int nphoton;
std::vector<Track> subtrack;
std::vector<Photon> photon_start;
std::vector<Photon> photon_stop;
ClassDef(MC, 1);
};
struct Channel {
Channel() : channel_id(-1), time(-9999.0), charge(-9999.0) { };
int channel_id;
double time;
double charge;
unsigned int mc_history;
ClassDef(Channel, 1);
};
struct Event {
int event_id;
MC mc;
int nhit;
int max_channel_id;
std::vector<Channel> channel;
ClassDef(Event, 1);
// Populate arrays of length nentries with hit, time, and charge
// information, indexed by channel ID
void get_channels(unsigned int nentries, int *hit, float *time,
float *charge, unsigned int *mc_history=0)
{
for (unsigned int i=0; i < nentries; i++) {
hit[i] = 0;
time[i] = -1e9f;
charge[i] = -1e9f;
if (mc_history)
mc_history[i] = 0;
}
for (unsigned int i=0; i < channel.size(); i++) {
unsigned int channel_id = channel[i].channel_id;
if (channel_id < nentries) {
hit[channel_id] = 1;
time[channel_id] = channel[i].time;
charge[channel_id] = channel[i].charge;
if (mc_history)
mc_history[channel_id] = channel[i].mc_history;
}
}
}
};
void get_photons(const std::vector<Photon> &photons, float *positions,
float *directions, float *polarizations, float *wavelengths,
float *times, unsigned int *histories, int *last_hit_triangles)
{
for (unsigned int i=0; i < photons.size(); i++) {
const Photon &photon = photons[i];
positions[3*i] = photon.position.X();
positions[3*i+1] = photon.position.Y();
positions[3*i+2] = photon.position.Z();
directions[3*i] = photon.direction.X();
directions[3*i+1] = photon.direction.Y();
directions[3*i+2] = photon.direction.Z();
polarizations[3*i] = photon.polarization.X();
polarizations[3*i+1] = photon.polarization.Y();
polarizations[3*i+2] = photon.polarization.Z();
wavelengths[i] = photon.wavelength;
times[i] = photon.time;
histories[i] = photon.history;
last_hit_triangles[i] = photon.last_hit_triangle;
}
}
void fill_photons(std::vector<Photon> &photons,
unsigned int nphotons, float *pos, float *dir,
float *pol, float *wavelength, float *t0,
unsigned int *histories=0, int *last_hit_triangle=0)
{
photons.resize(nphotons);
for (unsigned int i=0; i < nphotons; i++) {
Photon &photon = photons[i];
photon.time = t0[i];
photon.position.SetXYZ(pos[3*i], pos[3*i + 1], pos[3*i + 2]);
photon.direction.SetXYZ(dir[3*i], dir[3*i + 1], dir[3*i + 2]);
photon.polarization.SetXYZ(pol[3*i], pol[3*i + 1], pol[3*i + 2]);
photon.wavelength = wavelength[i];
if (histories)
photon.history = histories[i];
else
photon.history = 0;
if (last_hit_triangle)
photon.last_hit_triangle = last_hit_triangle[i];
else
photon.last_hit_triangle = -1;
}
}
void fill_hits(Event *ev, unsigned int nchannels, float *time,
float *charge, unsigned int *history)
{
ev->channel.resize(0);
ev->nhit = 0;
ev->max_channel_id = nchannels - 1;
Channel ch;
for (unsigned int i=0; i < nchannels; i++) {
if (time[i] < 1e8) {
ev->nhit++;
ch.channel_id = i;
ch.time = time[i];
ch.charge = charge[i];
ch.mc_history = history[i];
ev->channel.push_back(ch);
}
}
}
#ifdef __MAKECINT__
#pragma link C++ class vector<Track>;
#pragma link C++ class vector<Photon>;
#pragma link C++ class vector<Channel>;
#endif
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