PW, added CalTrack2, using distance to calculate the track

This commit is contained in:
Ryan Tang 2024-02-02 16:20:33 -05:00
parent e442fc1102
commit 6790ef41df
2 changed files with 121 additions and 60 deletions

View File

@ -238,14 +238,15 @@ inline void ANASEN::DrawTrack(TVector3 pos, TVector3 direction, bool drawEstima
worldBox->AddNode(startPos, 3, new TGeoCombiTrans( pos.X(), pos.Y(), pos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
if( sx3->GetID() >= 0 ){
TGeoVolume * hit = geom->MakeSphere("hitpos", 0, 0, 3);
hit->SetLineColor(kRed);
TVector3 hitPos = sx3->GetHitPos();
TGeoVolume * hit = geom->MakeSphere("hitpos", 0, 0, 3);
hit->SetLineColor(kRed);
worldBox->AddNode(hit, 2, new TGeoCombiTrans( hitPos.X(), hitPos.Y(), hitPos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
if( drawEstimatedTrack ){
{//===== simple
pw->CalTrack(hitPos, wireID.first, wireID.second, true);
double thetaDeduce = pw->GetTrackTheta() * TMath::RadToDeg();
@ -254,7 +255,19 @@ inline void ANASEN::DrawTrack(TVector3 pos, TVector3 direction, bool drawEstima
TGeoVolume * trackDeduce = geom->MakeTube("trackDeduce", 0, 0, 0.1, 100.);
trackDeduce->SetLineColor(kOrange);
worldBox->AddNode(trackDeduce, 1, new TGeoCombiTrans( hitPos.X(), hitPos.Y(), hitPos.Z(), new TGeoRotation("rotA", phiDeduce + 90, thetaDeduce, 0.)));
}
{//===== complicated
PWHitInfo hitInfo = pw->GetHitInfo();
pw->CalTrack2(hitPos, hitInfo, true);
double thetaDeduce = pw->GetTrackTheta() * TMath::RadToDeg();
double phiDeduce = pw->GetTrackPhi() * TMath::RadToDeg();
TGeoVolume * trackDeduce2 = geom->MakeTube("trackDeduce2", 0, 0, 0.1, 100.);
trackDeduce2->SetLineColor(kGreen);
worldBox->AddNode(trackDeduce2, 1, new TGeoCombiTrans( hitPos.X(), hitPos.Y(), hitPos.Z(), new TGeoRotation("rotA", phiDeduce + 90, thetaDeduce, 0.)));
}
}
}

View File

@ -5,16 +5,36 @@
#include <TMath.h>
#include <TVector3.h>
class PW{ // proportional wire
struct PWHitInfo{
std::pair<short, short> nearestWire; // anode, cathode
std::pair<double, double> nearestDist; // anode, cathode
std::pair<short, short> nextNearestWire; // anode, cathode
std::pair<double, double> nextNearestDist; // anode, cathode
void Clear(){
nearestWire.first = -1;
nearestWire.second = -1;
nearestDist.first = 999999999;
nearestDist.second = 999999999;
nextNearestWire.first = -1;
nextNearestWire.second = -1;
nextNearestDist.first = 999999999;
nextNearestDist.second = 999999999;
}
};
//!########################################################
class PW{ // proportional wire
public:
PW(){ Clear(); };
PW(){ ClearHitInfo(); };
~PW(){};
std::pair<short, short> GetNearestID() const {return std::pair(anode1, cathode1);}
std::pair<double, double> GetNearestDistance() const {return std::pair(anodeDis1,cathodeDis1);}
std::pair<short, short> Get2ndNearestID() const {return std::pair(anode2,cathode2);}
std::pair<double, double> Get2ndNearestDistance() const {return std::pair(anodeDis2,cathodeDis2);}
PWHitInfo GetHitInfo() const {return hitInfo;}
std::pair<short, short> GetNearestID() const {return hitInfo.nearestWire;}
std::pair<double, double> GetNearestDistance() const {return hitInfo.nearestDist;}
std::pair<short, short> Get2ndNearestID() const {return hitInfo.nextNearestWire;}
std::pair<double, double> Get2ndNearestDistance() const {return hitInfo.nextNearestDist;}
TVector3 GetTrackPos() const {return trackPos;}
TVector3 GetTrackVec() const {return trackVec;}
@ -38,29 +58,27 @@ public:
double GetCathodeTheta(short id) const {return (Ca[id].first - Ca[id].second).Theta();}
double GetCathodePhi(short id) const {return (Ca[id].first - Ca[id].second).Phi();}
void Clear();
void ClearHitInfo();
void ConstructGeo();
void FindWireID(TVector3 pos, TVector3 direction, bool verbose = false);
void CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose = false);
void CalTrack2(TVector3 sx3Pos, PWHitInfo hitInfo, bool verbose = false);
void Print(){
printf(" The nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", anode1, anodeDis1, cathode1, cathodeDis1);
printf(" The 2nd nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", anode2, anodeDis2, cathode2, cathodeDis2);
printf(" The nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", hitInfo.nearestWire.first,
hitInfo.nearestDist.first,
hitInfo.nearestWire.second,
hitInfo.nearestDist.second);
printf(" The 2nd nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", hitInfo.nextNearestWire.first,
hitInfo.nextNearestDist.first,
hitInfo.nextNearestWire.second,
hitInfo.nextNearestDist.second);
}
private:
// the nearest wire
short anode1;
short cathode1;
double anodeDis1;
double cathodeDis1;
// the 2nd nearest wire
short anode2;
short cathode2;
double anodeDis2;
double cathodeDis2;
PWHitInfo hitInfo;
TVector3 trackPos;
TVector3 trackVec;
@ -87,21 +105,15 @@ private:
};
inline void PW::Clear(){
anode1 = -1;
cathode1 = -1;
anodeDis1 = 999999999;
cathodeDis1 = 999999999;
anode2 = -1;
cathode2 = -1;
anodeDis2 = 999999999;
cathodeDis2 = 999999999;
An.clear();
Ca.clear();
inline void PW::ClearHitInfo(){
hitInfo.Clear();
}
inline void PW::ConstructGeo(){
An.clear();
Ca.clear();
std::pair<TVector3, TVector3> p1; // anode
std::pair<TVector3, TVector3> q1; // cathode
@ -136,29 +148,27 @@ inline void PW::ConstructGeo(){
inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
Clear();
hitInfo.Clear();
double phi = direction.Phi();
for( int i = 0; i < nWire; i++){
double disA = 99999999;
double disC = 99999999;
double phiS = An[i].first.Phi() - TMath::PiOver4();
double phiL = An[i].second.Phi() + TMath::PiOver4();
// printf("A%2d: %f %f | %f\n", i, phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg(), phi * TMath::RadToDeg());
if( phi > 0 && phiS > phiL ) phiL = phiL + TMath::TwoPi();
if( phi < 0 && phiS > phiL ) phiS = phiS - TMath::TwoPi();
if( phiS < phi && phi < phiL) {
disA = Distance( pos, pos + direction, An[i].first, An[i].second);
if( disA < anodeDis1 ){
anodeDis1 = disA;
anode1 = i;
if( disA < hitInfo.nearestDist.first ){
hitInfo.nearestDist.first = disA;
hitInfo.nearestWire.first = i;
}
}
double disC = 99999999;
phiS = Ca[i].second.Phi()- TMath::PiOver4();
phiL = Ca[i].first.Phi() + TMath::PiOver4();
// printf("C%2d: %f %f\n", i, phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
@ -167,9 +177,9 @@ inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
if(phiS < phi && phi < phiL) {
disC = Distance( pos, pos + direction, Ca[i].first, Ca[i].second);
if( disC < cathodeDis1 ){
cathodeDis1 = disC;
cathode1 = i;
if( disC < hitInfo.nearestDist.second ){
hitInfo.nearestDist.second = disC;
hitInfo.nearestWire.second = i;
}
}
@ -177,24 +187,28 @@ inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
}
//==== find the 2nd nearest wire
short anode1 = hitInfo.nearestWire.first;
double haha1 = Distance( pos, pos + direction, An[anode1-1].first, An[anode1-1].second);
double haha2 = Distance( pos, pos + direction, An[anode1+1].first, An[anode1+1].second);
if( haha1 < haha2){
anode2 = anode1-1;
anodeDis2 = haha1;
hitInfo.nextNearestWire.first = anode1-1;
hitInfo.nextNearestDist.first = haha1;
}else{
anode2 = anode1+1;
anodeDis2 = haha2;
hitInfo.nextNearestWire.first = anode1+1;
hitInfo.nextNearestDist.first = haha2;
}
short cathode1 = hitInfo.nearestWire.second;
haha1 = Distance( pos, pos + direction, Ca[cathode1-1].first, Ca[cathode1-1].second);
haha2 = Distance( pos, pos + direction, Ca[cathode1+1].first, Ca[cathode1+1].second);
if( haha1 < haha2){
cathode2 = cathode1-1;
cathodeDis2 = haha1;
hitInfo.nextNearestWire.second = cathode1-1;
hitInfo.nextNearestDist.second = haha1;
}else{
cathode2 = cathode1+1;
cathodeDis2 = haha2;
hitInfo.nextNearestWire.second = cathode1+1;
hitInfo.nextNearestDist.second = haha2;
}
if( verbose ) Print();
@ -214,4 +228,38 @@ inline void PW::CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbo
}
inline void PW::CalTrack2(TVector3 sx3Pos, PWHitInfo hitInfo, bool verbose){
trackPos = sx3Pos;
// fraction between the nearest wire and and the 2nd nearest wire by distance
double totDistA = hitInfo.nearestDist.first + hitInfo.nextNearestDist.first;
double fracA = hitInfo.nearestDist.first / totDistA;
short anodeID1 = hitInfo.nearestWire.first;
short anodeID2 = hitInfo.nextNearestWire.first;
TVector3 shiftA1 = (An[anodeID2].first - An[anodeID1].first) * fracA;
TVector3 shiftA2 = (An[anodeID2].second - An[anodeID1].second) * fracA;
double totDistC = hitInfo.nearestDist.second + hitInfo.nextNearestDist.second;
double fracC = hitInfo.nearestDist.second / totDistA;
short cathodeID1 = hitInfo.nearestWire.second;
short cathodeID2 = hitInfo.nextNearestWire.second;
TVector3 shiftC1 = (Ca[anodeID2].first - Ca[anodeID1].first) * fracC;
TVector3 shiftC2 = (Ca[anodeID2].second - Ca[anodeID1].second) * fracC;
TVector3 a1 = An[anodeID1].first + shiftA1;
TVector3 a2 = An[anodeID1].second + shiftA2;
TVector3 c1 = Ca[cathodeID1].first + shiftC1;
TVector3 c2 = Ca[cathodeID1].second + shiftC2;
TVector3 n1 = (a1 - a2).Cross((sx3Pos - a2)).Unit();
TVector3 n2 = (c1 - c2).Cross((sx3Pos - c2)).Unit();
// if the handiness of anode and cathode revered, it should be n2 cross n1
trackVec = (n2.Cross(n1)).Unit();
if( verbose ) printf("Theta, Phi = %f, %f \n", trackVec.Theta() *TMath::RadToDeg(), trackVec.Phi()*TMath::RadToDeg());
}
#endif