move out SX3 and PW classes
This commit is contained in:
Ryan Tang
parent
9d7780416d
commit
50b95b33ed
10
.vscode/settings.json
vendored
10
.vscode/settings.json
vendored
|
|
@ -78,6 +78,14 @@
|
|||
"variant": "cpp",
|
||||
"bitset": "cpp",
|
||||
"forward_list": "cpp",
|
||||
"anasenMS.C": "cpp"
|
||||
"anasenMS.C": "cpp",
|
||||
"*.icc": "cpp",
|
||||
"any": "cpp",
|
||||
"cfenv": "cpp",
|
||||
"csignal": "cpp",
|
||||
"regex": "cpp",
|
||||
"scoped_allocator": "cpp",
|
||||
"shared_mutex": "cpp",
|
||||
"valarray": "cpp"
|
||||
}
|
||||
}
|
||||
|
|
@ -13,123 +13,43 @@
|
|||
#include "TPolyLine3D.h"
|
||||
#include "TRandom.h"
|
||||
|
||||
struct SX3{
|
||||
short id = -1; // -1 when no hit
|
||||
short chUp;
|
||||
short chDown;
|
||||
short chBack;
|
||||
|
||||
double zFrac; // from +1 (downstream) to -1 (upstream)
|
||||
|
||||
double eUp;
|
||||
double eDown;
|
||||
double eBack;
|
||||
|
||||
TVector3 hitPos;
|
||||
|
||||
void CalZFrac(){
|
||||
zFrac = (eUp - eDown)/(eUp + eDown);
|
||||
}
|
||||
|
||||
void Print(){
|
||||
if( id == -1 ){
|
||||
printf("Did not hit any SX3.\n");
|
||||
}else{
|
||||
printf("ID: %d, U,D,B: %d %d %d| zFrac : %.2f\n", id, chUp, chDown, chBack, zFrac);
|
||||
printf("Hit Pos: %.2f, %.2f, %.2f\n", hitPos.X(), hitPos.Y(), hitPos.Z());
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
struct PW{ // proportional wire
|
||||
// the nearest wire
|
||||
short anode1 = -1;
|
||||
short cathode1 = -1;
|
||||
double anodeDis1 = 999999999;
|
||||
double cathodeDis1 = 999999999;
|
||||
|
||||
// the 2nd nearest wire
|
||||
short anode2 = -1;
|
||||
short cathode2 = -1;
|
||||
double anodeDis2 = 999999999;
|
||||
double cathodeDis2 = 999999999;
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
};
|
||||
#include "ClassSX3.h"
|
||||
#include "ClassPW.h"
|
||||
|
||||
class ANASEN{
|
||||
public:
|
||||
ANASEN();
|
||||
~ANASEN();
|
||||
|
||||
void CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose = false);
|
||||
TVector3 CalSX3Pos(unsigned short ID, unsigned short chUp, unsigned short chDown, unsigned short chBack, float eUp = 0, float eDown = 0 );
|
||||
|
||||
TVector3 GetTrackPos() const {return trackPos;}
|
||||
TVector3 GetTrackVec() const {return trackVec;}
|
||||
double GetTrackTheta() const {return trackVec.Theta();}
|
||||
double GetTrackPhi() const {return trackVec.Phi();}
|
||||
|
||||
void DrawAnasen(int anodeID1 = -1, int anodeID2 = -1, int cathodeID1 = -1, int cathodeID2 = -1, int sx3ID = -1, bool DrawQQQ = false );
|
||||
void DrawDeducedTrack(TVector3 sx3Pos, int anodeID, int cathodeID);
|
||||
|
||||
//Simulation
|
||||
SX3 FindSX3Pos(TVector3 pos, TVector3 direction, bool verbose = false);
|
||||
PW FindWireID(TVector3 pos, TVector3 direction, bool verbose = false);
|
||||
void DrawTrack(TVector3 pos, TVector3 direction, bool drawEstimatedTrack = false);
|
||||
|
||||
std::pair<TVector3,TVector3> GetAnode(unsigned short id) const{return An[id];};
|
||||
std::pair<TVector3,TVector3> GetCathode(unsigned short id) const{return Ca[id];};
|
||||
void DrawDeducedTrack(TVector3 sx3Pos, int anodeID, int cathodeID);
|
||||
void DrawAnasen(int anodeID1 = -1,
|
||||
int anodeID2 = -1,
|
||||
int cathodeID1 = -1,
|
||||
int cathodeID2 = -1,
|
||||
int sx3ID = -1,
|
||||
bool DrawQQQ = false );
|
||||
|
||||
private:
|
||||
|
||||
const int nWire = 24;
|
||||
const int wireShift = 3;
|
||||
const float zLen = 380; //mm
|
||||
const float radiusA = 37;
|
||||
const float radiusC = 43;
|
||||
|
||||
std::vector<std::pair<TVector3,TVector3>> An; // the anode wire position vector in space
|
||||
std::vector<std::pair<TVector3,TVector3>> Ca; // the cathode wire position vector in space
|
||||
|
||||
std::vector<std::pair<TVector3,TVector3>> SDn; // coners of the SX3 0-11, z = mid point
|
||||
std::vector<std::pair<TVector3,TVector3>> SUp; // coners of the SX3 12-23, z = mid point
|
||||
std::vector<TVector3> SNorml; // normal of the SX3 (outward)
|
||||
|
||||
void CalGeometry();
|
||||
|
||||
TVector3 trackPos;
|
||||
TVector3 trackVec;
|
||||
|
||||
double trackPosErrorZ; // mm
|
||||
TVector3 tracePosErrorXY; // the mag is the size of the error
|
||||
|
||||
TVector3 trackVecErrorA; // error vector prependicular to the Anode-Pos plan
|
||||
TVector3 trackVecErrorC; // error vector prependicular to the Cathode-Pos plan
|
||||
|
||||
const int nSX3 = 12;
|
||||
const float sx3Radius = 88;
|
||||
const float sx3Width = 40;
|
||||
const float sx3Length = 75;
|
||||
const float sx3Gap = 46;
|
||||
PW pw;
|
||||
SX3 sx3;
|
||||
|
||||
const float qqqR1 = 50;
|
||||
const float qqqR2 = 100;
|
||||
const float qqqZPos = sx3Gap/2 + sx3Length + 30;
|
||||
const float qqqZPos = 23 + 75 + 30;
|
||||
|
||||
void CalGeometry();
|
||||
|
||||
// int geomID;
|
||||
TGeoManager *geom;
|
||||
TGeoVolume *worldBox;
|
||||
|
||||
void Construct3DModel(int anodeID1 = -1, int anodeID2 = -1, int cathodeID1 = -1, int cathodeID2 = -1, int sx3ID = -1, bool DrawQQQ = true);
|
||||
|
||||
double Distance(TVector3 a1, TVector3 a2, TVector3 b1, TVector3 b2);
|
||||
std::pair<double, double> Intersect(TVector3 a1, TVector3 a2, TVector3 b1, TVector3 b2, bool verbose = false);
|
||||
void Construct3DModel(int anodeID1 = -1,
|
||||
int anodeID2 = -1,
|
||||
int cathodeID1 = -1,
|
||||
int cathodeID2 = -1,
|
||||
int sx3ID = -1,
|
||||
bool DrawQQQ = true);
|
||||
|
||||
};
|
||||
|
||||
|
|
@ -138,7 +58,6 @@ inline ANASEN::ANASEN(){
|
|||
|
||||
CalGeometry();
|
||||
|
||||
// geomID = 0;
|
||||
geom = nullptr;
|
||||
worldBox = nullptr;
|
||||
|
||||
|
|
@ -152,61 +71,8 @@ inline ANASEN::~ANASEN(){
|
|||
//!==============================================
|
||||
inline void ANASEN::CalGeometry(){
|
||||
|
||||
std::pair<TVector3, TVector3> p1; // anode
|
||||
std::pair<TVector3, TVector3> q1; // cathode
|
||||
|
||||
//anode and cathode start at pos-Y axis and count in left-Hand
|
||||
|
||||
//anode wire shift is right-hand.
|
||||
//cathode wire shift is left-hand.
|
||||
|
||||
for(int i = 0; i < nWire; i++ ){
|
||||
// Anode rotate right-hand
|
||||
p1.first.SetXYZ( radiusA * TMath::Cos( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
radiusA * TMath::Sin( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
zLen/2);
|
||||
p1.second.SetXYZ( radiusA * TMath::Cos( TMath::TwoPi() / nWire * (-i + wireShift) + TMath::PiOver2()),
|
||||
radiusA * TMath::Sin( TMath::TwoPi() / nWire * (-i + wireShift) + TMath::PiOver2()),
|
||||
-zLen/2);
|
||||
An.push_back(p1);
|
||||
|
||||
// Cathod rotate left-hand
|
||||
q1.first.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
radiusC * TMath::Sin( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
zLen/2);
|
||||
q1.second.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (- i - wireShift) + TMath::PiOver2()),
|
||||
radiusC * TMath::Sin( TMath::TwoPi() / nWire * (- i - wireShift) + TMath::PiOver2()),
|
||||
-zLen/2);
|
||||
Ca.push_back(q1);
|
||||
}
|
||||
|
||||
// SX3 is couned in left-hand, started at neg-Y axis
|
||||
|
||||
TVector3 sa, sb, sc, sn;
|
||||
for(int i = 0; i < nSX3; i++){
|
||||
sa.SetXYZ( sx3Radius, -sx3Width/2, sx3Gap/2 + sx3Length/2 );
|
||||
sb.SetXYZ( sx3Radius, sx3Width/2, sx3Gap/2 + sx3Length/2 );
|
||||
|
||||
double rot = TMath::TwoPi() / nSX3 * (-i - 0.5) - TMath::PiOver2();
|
||||
|
||||
sa.RotateZ( rot );
|
||||
sb.RotateZ( rot );
|
||||
SDn.push_back(std::pair(sa,sb));
|
||||
|
||||
|
||||
sc.SetXYZ( sx3Radius, -sx3Width/2, sx3Gap/2 );
|
||||
sc.RotateZ( rot );
|
||||
|
||||
sn = ((sc-sa).Cross(sb-sa)).Unit();
|
||||
SNorml.push_back(sn);
|
||||
|
||||
sa.SetXYZ( sx3Radius, -sx3Width/2, -sx3Gap/2 - sx3Length/2 );
|
||||
sb.SetXYZ( sx3Radius, sx3Width/2, -sx3Gap/2 - sx3Length/2 );
|
||||
|
||||
sa.RotateZ( rot );
|
||||
sb.RotateZ( rot );
|
||||
SUp.push_back(std::pair(sa,sb));
|
||||
}
|
||||
sx3.ConstructGeo();
|
||||
pw.ConstructGeo();
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -245,83 +111,73 @@ inline void ANASEN::Construct3DModel(int anodeID1, int anodeID2, int cathodeID1,
|
|||
worldBox->AddNode(axisZ, 1, new TGeoTranslation(0, 0, 5));
|
||||
|
||||
//.......... convert to wire center dimensions
|
||||
double dAngle = wireShift * TMath::TwoPi() / nWire;
|
||||
double wireALength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusA * TMath::Sin(dAngle/2),2) );
|
||||
// double radiusAnew = radiusA * TMath::Cos( dAngle / 2.);
|
||||
// double wireATheta = TMath::ATan2( 2* radiusA * TMath::Sin( dAngle / 2.), zLen);
|
||||
|
||||
TGeoVolume *pcA = geom->MakeTube("tub1", Al, 0, 0.01, wireALength/2);
|
||||
TGeoVolume *pcA = geom->MakeTube("tub1", Al, 0, 0.01, pw.GetAnodeLength()/2);
|
||||
pcA->SetLineColor(4);
|
||||
|
||||
int startID = 0;
|
||||
int endID = nWire - 1;
|
||||
int endID = pw.GetNumWire() - 1;
|
||||
|
||||
if( anodeID1 >= 0 && anodeID2 >= 0 ){
|
||||
startID = anodeID1;
|
||||
endID = anodeID2;
|
||||
if( anodeID1 > anodeID2 ) {
|
||||
endID = nWire + anodeID2;
|
||||
endID = pw.GetNumWire() + anodeID2;
|
||||
}
|
||||
}
|
||||
|
||||
for( int i = startID; i <= endID; i++){
|
||||
TVector3 a = (An[i].first + An[i].second) * 0.5;
|
||||
double wireATheta = (An[i].first - An[i].second).Theta()* TMath::RadToDeg();
|
||||
double wireAPhi = (An[i].first - An[i].second).Phi() * TMath::RadToDeg() + 90;
|
||||
TVector3 a = pw.GetAnodneMid(i);
|
||||
double wireTheta = pw.GetAnodeTheta(i) * TMath::RadToDeg();
|
||||
double wirePhi = pw.GetAnodePhi(i) * TMath::RadToDeg() + 90;
|
||||
|
||||
worldBox->AddNode(pcA, i+1, new TGeoCombiTrans( a.X(),
|
||||
a.Y(),
|
||||
a.Z(),
|
||||
new TGeoRotation("rot1", wireAPhi , wireATheta, 0.)));
|
||||
new TGeoRotation("rot1", wirePhi, wireTheta, 0.)));
|
||||
}
|
||||
|
||||
double wireCLength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusC * TMath::Sin(dAngle/2),2) );
|
||||
// double radiusCnew = radiusC * TMath::Cos( dAngle / 2.);
|
||||
// double wireCTheta = TMath::ATan2( 2* radiusC * TMath::Sin( dAngle / 2.), zLen);
|
||||
|
||||
TGeoVolume *pcC = geom->MakeTube("tub2", Al, 0, 0.01, wireCLength/2);
|
||||
TGeoVolume *pcC = geom->MakeTube("tub2", Al, 0, 0.01, pw.GetCathodeLength()/2);
|
||||
pcC->SetLineColor(6);
|
||||
|
||||
startID = 0;
|
||||
endID = nWire - 1;
|
||||
endID = pw.GetNumWire() - 1;
|
||||
|
||||
if( cathodeID1 >= 0 && cathodeID2 >= 0 ){
|
||||
startID = cathodeID1;
|
||||
endID = cathodeID2;
|
||||
if( cathodeID1 > cathodeID2 ) {
|
||||
endID = nWire + cathodeID2;
|
||||
endID = pw.GetNumWire() + cathodeID2;
|
||||
}
|
||||
}
|
||||
|
||||
for( int i = startID; i <= endID; i++){
|
||||
TVector3 a = (Ca[i].first + Ca[i].second) * 0.5;
|
||||
double wireATheta = (Ca[i].first - Ca[i].second).Theta()* TMath::RadToDeg();
|
||||
double wireAPhi = (Ca[i].first - Ca[i].second).Phi() * TMath::RadToDeg() + 90;
|
||||
TVector3 a = pw.GetCathodneMid(i);
|
||||
double wireTheta = pw.GetCathodeTheta(i) * TMath::RadToDeg();
|
||||
double wirePhi = pw.GetCathodePhi(i) * TMath::RadToDeg() + 90;
|
||||
|
||||
worldBox->AddNode(pcC, i+1, new TGeoCombiTrans( a.X(),
|
||||
a.Y(),
|
||||
a.Z(),
|
||||
new TGeoRotation("rot1", wireAPhi , wireATheta, 0.)));
|
||||
new TGeoRotation("rot1", wirePhi , wireTheta, 0.)));
|
||||
}
|
||||
|
||||
TGeoVolume * sx3 = geom->MakeBox("box", Al, 0.1, sx3Width/2, sx3Length/2);
|
||||
sx3->SetLineColor(kGreen+3);
|
||||
TGeoVolume * sx3Det = geom->MakeBox("box", Al, 0.1, sx3.GetWidth()/2, sx3.GetLength()/2);
|
||||
sx3Det->SetLineColor(kGreen+3);
|
||||
|
||||
for( int i = 0; i < nSX3; i++){
|
||||
for( int i = 0; i < sx3.GetNumDet(); i++){
|
||||
if( sx3ID != -1 && i != sx3ID ) continue;
|
||||
TVector3 aUp = (SUp[i].first + SUp[i].second)*0.5; // center of the SX3 upstream
|
||||
TVector3 aDn = (SDn[i].first + SDn[i].second)*0.5; // center of the SX3 Downstream
|
||||
double phi = (SUp[i].second - SUp[i].first).Phi() * TMath::RadToDeg() + 90;
|
||||
TVector3 aUp = sx3.GetUpMid(i); // center of the SX3 upstream
|
||||
TVector3 aDn = sx3.GetDnMid(i); // center of the SX3 Downstream
|
||||
double phi = sx3.GetDetPhi(i) * TMath::RadToDeg() + 90;
|
||||
|
||||
worldBox->AddNode(sx3, 2*i+1., new TGeoCombiTrans( aUp.X(),
|
||||
worldBox->AddNode(sx3Det, 2*i+1., new TGeoCombiTrans( aUp.X(),
|
||||
aUp.Y(),
|
||||
aUp.Z(),
|
||||
new TGeoRotation("rot1", phi, 0., 0.)));
|
||||
worldBox->AddNode(sx3, 2*i+1., new TGeoCombiTrans( aDn.X(),
|
||||
worldBox->AddNode(sx3Det, 2*i+1., new TGeoCombiTrans( aDn.X(),
|
||||
aDn.Y(),
|
||||
aDn.Z(),
|
||||
new TGeoRotation("rot1", phi, 0., 0.)));
|
||||
|
||||
}
|
||||
|
||||
if( DrawQQQ ){
|
||||
|
|
@ -337,167 +193,6 @@ inline void ANASEN::Construct3DModel(int anodeID1, int anodeID2, int cathodeID1,
|
|||
|
||||
}
|
||||
|
||||
//!============================================== Aux Functions
|
||||
inline double ANASEN::Distance(TVector3 a1, TVector3 a2, TVector3 b1, TVector3 b2){
|
||||
TVector3 na = a1 - a2;
|
||||
TVector3 nb = b1 - b2;
|
||||
TVector3 nd = (na.Cross(nb)).Unit();
|
||||
return TMath::Abs(nd.Dot(a1-b2));
|
||||
}
|
||||
|
||||
|
||||
inline std::pair<double, double> ANASEN::Intersect(TVector3 An, TVector3 p2, TVector3 q1, TVector3 q2, bool verbose){
|
||||
|
||||
//see https://nukephysik101.wordpress.com/2023/12/30/intersect-between-2-line-segments/
|
||||
//zero all z-component
|
||||
TVector3 a0 = An; a0.SetZ(0);
|
||||
TVector3 a1 = p2; a1.SetZ(0);
|
||||
|
||||
TVector3 b0 = q1; b0.SetZ(0);
|
||||
TVector3 b1 = q2; b1.SetZ(0);
|
||||
|
||||
double A = ((b0-b1).Cross(a0-a1)).Mag();
|
||||
|
||||
double h = ((b0-a0).Cross(b1-a0)).Z()/ A;
|
||||
double k = ((a1-b0).Cross(a0-b0)).Z()/ A;
|
||||
|
||||
if( verbose ) printf(" ----h, k : %f, %f\n", h, k);
|
||||
|
||||
return std::pair(h,k);
|
||||
}
|
||||
|
||||
//!============================================== Given a position and a direction, find wireID and SX3 position
|
||||
inline PW ANASEN::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
|
||||
|
||||
PW pw;
|
||||
|
||||
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();
|
||||
// printf("------ %f %f\n", phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
|
||||
}
|
||||
if( phi < 0 && phiS > phiL ) {
|
||||
phiS = phiS - TMath::TwoPi();
|
||||
// printf("------ %f %f\n", phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
|
||||
}
|
||||
|
||||
if( phiS < phi && phi < phiL) {
|
||||
disA = Distance( pos, pos + direction, An[i].first, An[i].second);
|
||||
if( disA < pw.anodeDis1 ){
|
||||
pw.anodeDis1 = disA;
|
||||
pw.anode1 = i;
|
||||
}
|
||||
}
|
||||
|
||||
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());
|
||||
if( phi > 0 && phiS > phiL ) {
|
||||
phiL = phiL + TMath::TwoPi();
|
||||
// printf("------ %f %f\n", phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
|
||||
}
|
||||
if( phi < 0 && phiS > phiL ) {
|
||||
phiS = phiS - TMath::TwoPi();
|
||||
// printf("------ %f %f\n", phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
|
||||
}
|
||||
|
||||
if(phiS < phi && phi < phiL) {
|
||||
disC = Distance( pos, pos + direction, Ca[i].first, Ca[i].second);
|
||||
|
||||
if( disC < pw.cathodeDis1 ){
|
||||
pw.cathodeDis1 = disC;
|
||||
pw.cathode1 = i;
|
||||
}
|
||||
}
|
||||
|
||||
if(verbose) printf(" %2d | %8.2f, %8.2f\n", i, disA, disC);
|
||||
}
|
||||
|
||||
//==== find the 2nd nearest wire
|
||||
double haha1 = Distance( pos, pos + direction, An[pw.anode1-1].first, An[pw.anode1-1].second);
|
||||
double haha2 = Distance( pos, pos + direction, An[pw.anode1+1].first, An[pw.anode1+1].second);
|
||||
if( haha1 < haha2){
|
||||
pw.anode2 = pw.anode1-1;
|
||||
pw.anodeDis2 = haha1;
|
||||
}else{
|
||||
pw.anode2 = pw.anode1+1;
|
||||
pw.anodeDis2 = haha2;
|
||||
}
|
||||
|
||||
haha1 = Distance( pos, pos + direction, Ca[pw.cathode1-1].first, Ca[pw.cathode1-1].second);
|
||||
haha2 = Distance( pos, pos + direction, Ca[pw.cathode1+1].first, Ca[pw.cathode1+1].second);
|
||||
if( haha1 < haha2){
|
||||
pw.cathode2 = pw.cathode1-1;
|
||||
pw.cathodeDis2 = haha1;
|
||||
}else{
|
||||
pw.cathode2 = pw.cathode1+1;
|
||||
pw.cathodeDis2 = haha2;
|
||||
}
|
||||
|
||||
|
||||
if( verbose ) pw.Print();
|
||||
return pw;
|
||||
}
|
||||
|
||||
inline SX3 ANASEN::FindSX3Pos(TVector3 pos, TVector3 direction, bool verbose){
|
||||
|
||||
SX3 haha;
|
||||
|
||||
haha.id = -1;
|
||||
for( int i = 0 ; i < nSX3; i++){
|
||||
|
||||
if(verbose) printf(" %d ", i);
|
||||
std::pair<double, double> frac = Intersect( pos, pos + direction, SDn[i].first, SDn[i].second, verbose);
|
||||
|
||||
|
||||
if( frac.second < 0 || frac.second > 1 ) continue;
|
||||
haha.hitPos = pos + frac.first * direction;
|
||||
|
||||
double dis = haha.hitPos.Dot(SNorml[i]);
|
||||
|
||||
if(verbose) {
|
||||
printf("reduced distance : %f\n", dis);
|
||||
printf(" %d*", (i+1)%nSX3);
|
||||
Intersect( pos, pos + direction, SDn[(i+1)%nSX3].first, SDn[(i+1)%nSX3].second, verbose);
|
||||
}
|
||||
|
||||
if( TMath::Abs(dis - sx3Radius) > 0.1 ) continue;
|
||||
|
||||
haha.chDown = 2 * TMath::Floor(frac.second * 4);
|
||||
haha.chUp = haha.chDown + 1;
|
||||
|
||||
double zPos = haha.hitPos.Z();
|
||||
if( (sx3Gap/2 < zPos && zPos < sx3Gap/2 + sx3Length ) || (-sx3Gap/2 - sx3Length < zPos && zPos < -sx3Gap/2 ) ){
|
||||
|
||||
haha.id = zPos > 0 ? i : i + 12;
|
||||
|
||||
haha.zFrac = zPos > 0 ? (zPos - sx3Gap/2. - sx3Length/2.)/sx3Length : (zPos - ( - sx3Gap/2. - sx3Length/2.) )/sx3Length ;
|
||||
|
||||
haha.chBack = TMath::Floor( (haha.zFrac + 0.5) * 4 ) + 8;
|
||||
|
||||
if( verbose) haha.Print();
|
||||
|
||||
return haha;
|
||||
}else{
|
||||
if( verbose ) printf(" zPos out of sensitive region\n");
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose) haha.Print();
|
||||
return haha;
|
||||
}
|
||||
|
||||
//!============================================== Drawing functions
|
||||
inline void ANASEN::DrawAnasen(int anodeID1, int anodeID2, int cathodeID1, int cathodeID2, int sx3ID, bool DrawQQQ ){
|
||||
|
||||
|
|
@ -511,21 +206,17 @@ inline void ANASEN::DrawAnasen(int anodeID1, int anodeID2, int cathodeID1, int c
|
|||
|
||||
inline void ANASEN::DrawTrack(TVector3 pos, TVector3 direction, bool drawEstimatedTrack){
|
||||
|
||||
PW pw = FindWireID(pos, direction);
|
||||
pw.FindWireID(pos, direction);
|
||||
sx3.FindSX3Pos(pos, direction);
|
||||
|
||||
SX3 sx3 = FindSX3Pos(pos, direction);
|
||||
std::pair<short, short> wireID = pw.GetNearestID();
|
||||
|
||||
int a1 = pw.anode1 - 1; if( a1 < 0 ) a1 += nWire;
|
||||
int b1 = pw.cathode1 - 1; if( b1 < 0 ) b1 += nWire;
|
||||
|
||||
//Construct3DModel(a1, id.first+1, b1, id.second+1, false);
|
||||
Construct3DModel(pw.anode1, pw.anode1, pw.cathode1, pw.cathode1, -1, false);
|
||||
Construct3DModel(wireID.first, wireID.first, wireID.second, wireID.second, -1, false);
|
||||
|
||||
double theta = direction.Theta() * TMath::RadToDeg();
|
||||
double phi = direction.Phi() * TMath::RadToDeg();
|
||||
// printf("Theta, Phi = %.2f %.2f \n", theta, phi);
|
||||
// pos.Print();
|
||||
|
||||
TGeoVolume * Track = geom->MakeTube("track", 0, 0, 0.1, 150.);
|
||||
Track->SetLineColor(kRed);
|
||||
worldBox->AddNode(Track, 1, new TGeoCombiTrans( pos.X(), pos.Y(), pos.Z(), new TGeoRotation("rotA", phi + 90, theta, 0.)));
|
||||
|
|
@ -534,20 +225,23 @@ inline void ANASEN::DrawTrack(TVector3 pos, TVector3 direction, bool drawEstima
|
|||
startPos->SetLineColor(kBlack);
|
||||
worldBox->AddNode(startPos, 3, new TGeoCombiTrans( pos.X(), pos.Y(), pos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
|
||||
|
||||
if( sx3.id >= 0 ){
|
||||
if( sx3.GetID() >= 0 ){
|
||||
TGeoVolume * hit = geom->MakeSphere("hitpos", 0, 0, 3);
|
||||
hit->SetLineColor(kRed);
|
||||
worldBox->AddNode(hit, 2, new TGeoCombiTrans( sx3.hitPos.X(), sx3.hitPos.Y(), sx3.hitPos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
|
||||
|
||||
TVector3 hitPos = sx3.GetHitPos();
|
||||
|
||||
worldBox->AddNode(hit, 2, new TGeoCombiTrans( hitPos.X(), hitPos.Y(), hitPos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
|
||||
|
||||
if( drawEstimatedTrack ){
|
||||
CalTrack(sx3.hitPos, pw.anode1, pw.cathode1, true);
|
||||
pw.CalTrack(hitPos, wireID.first, wireID.second, true);
|
||||
|
||||
double thetaDeduce = trackVec.Theta() * TMath::RadToDeg();
|
||||
double phiDeduce = trackVec.Phi() * TMath::RadToDeg();
|
||||
double thetaDeduce = pw.GetTrackTheta() * TMath::RadToDeg();
|
||||
double phiDeduce = pw.GetTrackPhi() * TMath::RadToDeg();
|
||||
|
||||
TGeoVolume * trackDeduce = geom->MakeTube("trackDeduce", 0, 0, 0.1, 100.);
|
||||
trackDeduce->SetLineColor(kOrange);
|
||||
worldBox->AddNode(trackDeduce, 1, new TGeoCombiTrans( sx3.hitPos.X(), sx3.hitPos.Y(), sx3.hitPos.Z(), new TGeoRotation("rotA", phiDeduce + 90, thetaDeduce, 0.)));
|
||||
worldBox->AddNode(trackDeduce, 1, new TGeoCombiTrans( hitPos.X(), hitPos.Y(), hitPos.Z(), new TGeoRotation("rotA", phiDeduce + 90, thetaDeduce, 0.)));
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -561,12 +255,12 @@ inline void ANASEN::DrawTrack(TVector3 pos, TVector3 direction, bool drawEstima
|
|||
|
||||
inline void ANASEN::DrawDeducedTrack(TVector3 sx3Pos, int anodeID, int cathodeID){
|
||||
|
||||
CalTrack(sx3Pos, anodeID, cathodeID);
|
||||
pw.CalTrack(sx3Pos, anodeID, cathodeID);
|
||||
|
||||
Construct3DModel(anodeID, anodeID, cathodeID, cathodeID, -1, false);
|
||||
|
||||
double theta = trackVec.Theta() * TMath::RadToDeg();
|
||||
double phi = trackVec.Phi() * TMath::RadToDeg();
|
||||
double theta = pw.GetTrackTheta() * TMath::RadToDeg();
|
||||
double phi = pw.GetTrackPhi() * TMath::RadToDeg();
|
||||
|
||||
TGeoVolume * Track = geom->MakeTube("axisX", 0, 0, 0.1, 100.);
|
||||
Track->SetLineColor(kRed);
|
||||
|
|
@ -576,63 +270,11 @@ inline void ANASEN::DrawDeducedTrack(TVector3 sx3Pos, int anodeID, int cathodeI
|
|||
hit->SetLineColor(kRed);
|
||||
worldBox->AddNode(hit, 2, new TGeoCombiTrans( sx3Pos.X(), sx3Pos.Y(), sx3Pos.Z(), new TGeoRotation("rotA", 0, 0, 0.)));
|
||||
|
||||
|
||||
geom->CloseGeometry();
|
||||
geom->SetVisLevel(4);
|
||||
worldBox->Draw("ogle");
|
||||
|
||||
}
|
||||
|
||||
//!============================================== Duduce trace from experiment
|
||||
inline void ANASEN::CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose){
|
||||
|
||||
trackPos = sx3Pos;
|
||||
|
||||
TVector3 n1 = (An[anodeID].first - An[anodeID].second).Cross((sx3Pos - An[anodeID].second)).Unit();
|
||||
TVector3 n2 = (Ca[cathodeID].first - Ca[cathodeID].second).Cross((sx3Pos - Ca[cathodeID].second)).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());
|
||||
|
||||
}
|
||||
|
||||
inline TVector3 ANASEN::CalSX3Pos(unsigned short ID, unsigned short chUp, unsigned short chDown, unsigned short chBack, float eUp, float eDown){
|
||||
|
||||
TVector3 haha;
|
||||
|
||||
if( (chUp - chDown) != 1 || (chDown % 2) != 0) return haha;
|
||||
|
||||
int reducedID = ID % nSX3;
|
||||
|
||||
TVector3 sa, sb;
|
||||
|
||||
if( ID < nSX3 ){ //down
|
||||
|
||||
sa = SDn[reducedID].second;
|
||||
sb = SDn[reducedID].first;
|
||||
|
||||
}else{
|
||||
|
||||
sa = SUp[reducedID].second;
|
||||
sb = SUp[reducedID].first;
|
||||
|
||||
}
|
||||
|
||||
haha.SetX( (sb.X() - sa.X()) * chUp/8 + sa.X());
|
||||
haha.SetY( (sb.Y() - sa.Y()) * chUp/8 + sa.Y());
|
||||
|
||||
if( eUp == 0 || eDown == 0 ){
|
||||
haha.SetZ( sa.Z() + (2*(chBack - 7)-1) * sx3Length / 8 );
|
||||
}else{
|
||||
double frac = (eUp - eDown)/(eUp + eDown); // from +1 (downstream) to -1 (upstream)
|
||||
double zPos = sa.Z() + sx3Length * frac/2;
|
||||
haha.SetZ( zPos );
|
||||
}
|
||||
|
||||
return haha;
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
214
Armory/ClassPW.h
Normal file
214
Armory/ClassPW.h
Normal file
|
|
@ -0,0 +1,214 @@
|
|||
#ifndef ClassPW_h
|
||||
#define ClassPW_h
|
||||
|
||||
#include <cstdio>
|
||||
#include <TMath.h>
|
||||
#include <TVector3.h>
|
||||
|
||||
class PW{ // proportional wire
|
||||
|
||||
public:
|
||||
PW(){ Clear(); };
|
||||
~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);}
|
||||
|
||||
TVector3 GetTrackPos() const {return trackPos;}
|
||||
TVector3 GetTrackVec() const {return trackVec;}
|
||||
double GetTrackTheta() const {return trackVec.Theta();}
|
||||
double GetTrackPhi() const {return trackVec.Phi();}
|
||||
|
||||
int GetNumWire() const {return nWire;}
|
||||
double GetDeltaAngle() const {return dAngle;}
|
||||
double GetAnodeLength() const {return anodeLength;}
|
||||
double GetCathodeLength() const {return cathodeLength;}
|
||||
TVector3 GetAnodeDn(short id) const {return An[id].first;}
|
||||
TVector3 GetAnodeUp(short id) const {return An[id].second;}
|
||||
TVector3 GetCathodeDn(short id) const {return Ca[id].first;}
|
||||
TVector3 GetCathodeUp(short id) const {return Ca[id].second;}
|
||||
|
||||
TVector3 GetAnodneMid(short id) const {return (An[id].first + An[id].second) * 0.5; }
|
||||
double GetAnodeTheta(short id) const {return (An[id].first - An[id].second).Theta();}
|
||||
double GetAnodePhi(short id) const {return (An[id].first - An[id].second).Phi();}
|
||||
|
||||
TVector3 GetCathodneMid(short id) const {return (Ca[id].first + Ca[id].second) * 0.5; }
|
||||
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 ConstructGeo();
|
||||
void FindWireID(TVector3 pos, TVector3 direction, bool verbose = false);
|
||||
void CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, 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);
|
||||
}
|
||||
|
||||
private:
|
||||
|
||||
// the nearest wire
|
||||
short anode1;
|
||||
short cathode1;
|
||||
double anodeDis1;
|
||||
double cathodeDis1;
|
||||
|
||||
// the 2nd nearest wire
|
||||
short anode2;
|
||||
short cathode2;
|
||||
double anodeDis2;
|
||||
double cathodeDis2;
|
||||
|
||||
TVector3 trackPos;
|
||||
TVector3 trackVec;
|
||||
|
||||
const int nWire = 24;
|
||||
const int wireShift = 3;
|
||||
const float zLen = 380; //mm
|
||||
const float radiusA = 37;
|
||||
const float radiusC = 43;
|
||||
|
||||
double dAngle;
|
||||
double anodeLength;
|
||||
double cathodeLength;
|
||||
|
||||
std::vector<std::pair<TVector3,TVector3>> An; // the anode wire position vector in space
|
||||
std::vector<std::pair<TVector3,TVector3>> Ca; // the cathode wire position vector in space
|
||||
|
||||
double Distance(TVector3 a1, TVector3 a2, TVector3 b1, TVector3 b2){
|
||||
TVector3 na = a1 - a2;
|
||||
TVector3 nb = b1 - b2;
|
||||
TVector3 nd = (na.Cross(nb)).Unit();
|
||||
return TMath::Abs(nd.Dot(a1-b2));
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
inline void PW::Clear(){
|
||||
anode1 = -1;
|
||||
cathode1 = -1;
|
||||
anodeDis1 = 999999999;
|
||||
cathodeDis1 = 999999999;
|
||||
anode2 = -1;
|
||||
cathode2 = -1;
|
||||
anodeDis2 = 999999999;
|
||||
cathodeDis2 = 999999999;
|
||||
}
|
||||
|
||||
inline void PW::ConstructGeo(){
|
||||
std::pair<TVector3, TVector3> p1; // anode
|
||||
std::pair<TVector3, TVector3> q1; // cathode
|
||||
|
||||
//anode and cathode start at pos-Y axis and count in left-Hand
|
||||
//anode wire shift is right-hand.
|
||||
//cathode wire shift is left-hand.
|
||||
|
||||
for(int i = 0; i < nWire; i++ ){
|
||||
// Anode rotate right-hand
|
||||
p1.first.SetXYZ( radiusA * TMath::Cos( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
radiusA * TMath::Sin( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
zLen/2);
|
||||
p1.second.SetXYZ( radiusA * TMath::Cos( TMath::TwoPi() / nWire * (-i + wireShift) + TMath::PiOver2()),
|
||||
radiusA * TMath::Sin( TMath::TwoPi() / nWire * (-i + wireShift) + TMath::PiOver2()),
|
||||
-zLen/2);
|
||||
An.push_back(p1);
|
||||
|
||||
// Cathod rotate left-hand
|
||||
q1.first.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
radiusC * TMath::Sin( TMath::TwoPi() / nWire * (-i) + TMath::PiOver2()),
|
||||
zLen/2);
|
||||
q1.second.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (- i - wireShift) + TMath::PiOver2()),
|
||||
radiusC * TMath::Sin( TMath::TwoPi() / nWire * (- i - wireShift) + TMath::PiOver2()),
|
||||
-zLen/2);
|
||||
Ca.push_back(q1);
|
||||
}
|
||||
|
||||
dAngle = wireShift * TMath::TwoPi() / nWire;
|
||||
anodeLength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusA * TMath::Sin(dAngle/2),2) );
|
||||
cathodeLength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusC * TMath::Sin(dAngle/2),2) );
|
||||
}
|
||||
|
||||
inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
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());
|
||||
if( phi > 0 && phiS > phiL ) phiL = phiL + TMath::TwoPi();
|
||||
if( phi < 0 && phiS > phiL ) phiS = phiS - TMath::TwoPi();
|
||||
|
||||
if(phiS < phi && phi < phiL) {
|
||||
disC = Distance( pos, pos + direction, Ca[i].first, Ca[i].second);
|
||||
if( disC < cathodeDis1 ){
|
||||
cathodeDis1 = disC;
|
||||
cathode1 = i;
|
||||
}
|
||||
}
|
||||
|
||||
if(verbose) printf(" %2d | %8.2f, %8.2f\n", i, disA, disC);
|
||||
}
|
||||
|
||||
//==== find the 2nd nearest wire
|
||||
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;
|
||||
}else{
|
||||
anode2 = anode1+1;
|
||||
anodeDis2 = haha2;
|
||||
}
|
||||
|
||||
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;
|
||||
}else{
|
||||
cathode2 = cathode1+1;
|
||||
cathodeDis2 = haha2;
|
||||
}
|
||||
|
||||
if( verbose ) Print();
|
||||
}
|
||||
|
||||
inline void PW::CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose){
|
||||
|
||||
trackPos = sx3Pos;
|
||||
|
||||
TVector3 n1 = (An[anodeID].first - An[anodeID].second).Cross((sx3Pos - An[anodeID].second)).Unit();
|
||||
TVector3 n2 = (Ca[cathodeID].first - Ca[cathodeID].second).Cross((sx3Pos - Ca[cathodeID].second)).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
|
||||
219
Armory/ClassSX3.h
Normal file
219
Armory/ClassSX3.h
Normal file
|
|
@ -0,0 +1,219 @@
|
|||
#ifndef ClassSX3_h
|
||||
#define ClassSX3_h
|
||||
|
||||
#include <cstdio>
|
||||
#include <TMath.h>
|
||||
#include <TVector3.h>
|
||||
|
||||
class SX3{
|
||||
public:
|
||||
SX3(){}
|
||||
~SX3(){}
|
||||
|
||||
short GetID() const {return id;}
|
||||
short GetChUp() const {return chUp;}
|
||||
short GetChDn() const {return chDn;}
|
||||
short GetChBk() const {return chBk;}
|
||||
|
||||
TVector3 GetHitPos() const {return hitPos;}
|
||||
|
||||
double GetZFrac() const {return zFrac;} // range from -0.5 to 0.5
|
||||
|
||||
void Clear();
|
||||
void ConstructGeo();
|
||||
void FindSX3Pos(TVector3 pos, TVector3 direction, bool verbose = false);
|
||||
void CalSX3Pos(unsigned short ID, unsigned short chUp, unsigned short chDown, unsigned short chBack, float eUp, float eDown);
|
||||
|
||||
double GetNumDet() const {return nSX3;}
|
||||
double GetWidth() const {return sx3Width;}
|
||||
double GetLength() const {return sx3Length;}
|
||||
TVector3 GetDnL(short id) const {return SDn[id].first; } // lower strip ID
|
||||
TVector3 GetDnH(short id) const {return SDn[id].second; } // higher strip ID
|
||||
TVector3 GetUpL(short id) const {return SUp[id].first; } // lower strip ID
|
||||
TVector3 GetUpH(short id) const {return SUp[id].second; } // higher strip ID
|
||||
|
||||
TVector3 GetDnMid(short id) const { return (SDn[id].first + SDn[id].second)*0.5;}
|
||||
TVector3 GetUpMid(short id) const { return (SUp[id].first + SUp[id].second)*0.5;}
|
||||
|
||||
double GetDetPhi(short id) const { return (SUp[id].second - SUp[id].first).Phi();}
|
||||
|
||||
void Print(){
|
||||
if( id == -1 ){
|
||||
printf("Did not hit any SX3.\n");
|
||||
}else{
|
||||
printf("ID: %d, U,D,B: %d %d %d| zFrac : %.2f\n", id, chUp, chDn, chBk, zFrac);
|
||||
printf("Hit Pos: %.2f, %.2f, %.2f\n", hitPos.X(), hitPos.Y(), hitPos.Z());
|
||||
}
|
||||
}
|
||||
|
||||
// void CalZFrac(){
|
||||
// zFrac = (eUp - eDn)/(eUp + eDn);
|
||||
// }
|
||||
|
||||
private:
|
||||
|
||||
short id; // -1 when no hit
|
||||
short chUp;
|
||||
short chDn;
|
||||
short chBk;
|
||||
|
||||
double zFrac; // from +1 (downstream) to -1 (upstream)
|
||||
|
||||
double eUp;
|
||||
double eDn;
|
||||
double eBk;
|
||||
|
||||
TVector3 hitPos;
|
||||
|
||||
const int nSX3 = 12;
|
||||
const float sx3Radius = 88;
|
||||
const float sx3Width = 40;
|
||||
const float sx3Length = 75;
|
||||
const float sx3Gap = 46;
|
||||
|
||||
std::vector<std::pair<TVector3,TVector3>> SDn; // coners of the SX3 0-11, z = mid point
|
||||
std::vector<std::pair<TVector3,TVector3>> SUp; // coners of the SX3 12-23, z = mid point
|
||||
std::vector<TVector3> SNorml; // normal of the SX3 (outward)
|
||||
|
||||
|
||||
std::pair<double, double> Intersect(TVector3 p1, TVector3 p2, TVector3 q1, TVector3 q2, bool verbose){
|
||||
|
||||
//see https://nukephysik101.wordpress.com/2023/12/30/intersect-between-2-line-segments/
|
||||
//zero all z-component
|
||||
TVector3 a0 = p1; a0.SetZ(0);
|
||||
TVector3 a1 = p2; a1.SetZ(0);
|
||||
|
||||
TVector3 b0 = q1; b0.SetZ(0);
|
||||
TVector3 b1 = q2; b1.SetZ(0);
|
||||
|
||||
double A = ((b0-b1).Cross(a0-a1)).Mag();
|
||||
|
||||
double h = ((b0-a0).Cross(b1-a0)).Z()/ A;
|
||||
double k = ((a1-b0).Cross(a0-b0)).Z()/ A;
|
||||
|
||||
if( verbose ) printf(" ----h, k : %f, %f\n", h, k);
|
||||
|
||||
return std::pair(h,k);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
inline void SX3::Clear(){
|
||||
id = -1;
|
||||
chUp = -1;
|
||||
chDn = -1;
|
||||
chBk = -1;
|
||||
zFrac = TMath::QuietNaN();
|
||||
|
||||
eUp = TMath::QuietNaN();
|
||||
eDn = TMath::QuietNaN();
|
||||
eBk = TMath::QuietNaN();
|
||||
}
|
||||
|
||||
inline void SX3::ConstructGeo(){
|
||||
TVector3 sa, sb, sc, sn;
|
||||
for(int i = 0; i < nSX3; i++){
|
||||
sa.SetXYZ( sx3Radius, -sx3Width/2, sx3Gap/2 + sx3Length/2 );
|
||||
sb.SetXYZ( sx3Radius, sx3Width/2, sx3Gap/2 + sx3Length/2 );
|
||||
|
||||
double rot = TMath::TwoPi() / nSX3 * (-i - 0.5) - TMath::PiOver2();
|
||||
|
||||
sa.RotateZ( rot );
|
||||
sb.RotateZ( rot );
|
||||
SDn.push_back(std::pair(sa,sb));
|
||||
|
||||
|
||||
sc.SetXYZ( sx3Radius, -sx3Width/2, sx3Gap/2 );
|
||||
sc.RotateZ( rot );
|
||||
|
||||
sn = ((sc-sa).Cross(sb-sa)).Unit();
|
||||
SNorml.push_back(sn);
|
||||
|
||||
sa.SetXYZ( sx3Radius, -sx3Width/2, -sx3Gap/2 - sx3Length/2 );
|
||||
sb.SetXYZ( sx3Radius, sx3Width/2, -sx3Gap/2 - sx3Length/2 );
|
||||
|
||||
sa.RotateZ( rot );
|
||||
sb.RotateZ( rot );
|
||||
SUp.push_back(std::pair(sa,sb));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
inline void SX3::FindSX3Pos(TVector3 pos, TVector3 direction, bool verbose){
|
||||
|
||||
id = -1;
|
||||
for( int i = 0 ; i < nSX3; i++){
|
||||
|
||||
if(verbose) printf(" %d ", i);
|
||||
std::pair<double, double> frac = Intersect( pos, pos + direction, SDn[i].first, SDn[i].second, verbose);
|
||||
|
||||
|
||||
if( frac.second < 0 || frac.second > 1 ) continue;
|
||||
hitPos = pos + frac.first * direction;
|
||||
|
||||
double dis = hitPos.Dot(SNorml[i]);
|
||||
|
||||
if(verbose) {
|
||||
printf("reduced distance : %f\n", dis);
|
||||
printf(" %d*", (i+1)%nSX3);
|
||||
Intersect( pos, pos + direction, SDn[(i+1)%nSX3].first, SDn[(i+1)%nSX3].second, verbose);
|
||||
}
|
||||
|
||||
if( TMath::Abs(dis - sx3Radius) > 0.1 ) continue;
|
||||
|
||||
chDn = 2 * TMath::Floor(frac.second * 4);
|
||||
chUp = chDn + 1;
|
||||
|
||||
double zPos = hitPos.Z();
|
||||
if( (sx3Gap/2 < zPos && zPos < sx3Gap/2 + sx3Length ) || (-sx3Gap/2 - sx3Length < zPos && zPos < -sx3Gap/2 ) ){
|
||||
|
||||
id = zPos > 0 ? i : i + 12;
|
||||
|
||||
zFrac = zPos > 0 ? (zPos - sx3Gap/2. - sx3Length/2.)/sx3Length : (zPos - ( - sx3Gap/2. - sx3Length/2.) )/sx3Length ;
|
||||
|
||||
chBk = TMath::Floor( (zFrac + 0.5) * 4 ) + 8;
|
||||
|
||||
if( verbose) Print();
|
||||
return ;
|
||||
|
||||
}else{
|
||||
if( verbose ) printf(" zPos out of sensitive region\n");
|
||||
}
|
||||
}
|
||||
|
||||
if( verbose) Print();
|
||||
}
|
||||
|
||||
|
||||
inline void SX3::CalSX3Pos(unsigned short ID, unsigned short chUp, unsigned short chDown, unsigned short chBack, float eUp, float eDown){
|
||||
|
||||
hitPos.Clear();
|
||||
|
||||
if( (chUp - chDown) != 1 || (chDown % 2) != 0) return ;
|
||||
|
||||
int reducedID = ID % nSX3;
|
||||
|
||||
TVector3 sa, sb;
|
||||
|
||||
if( ID < nSX3 ){ //down
|
||||
sa = SDn[reducedID].second;
|
||||
sb = SDn[reducedID].first;
|
||||
}else{
|
||||
sa = SUp[reducedID].second;
|
||||
sb = SUp[reducedID].first;
|
||||
}
|
||||
|
||||
hitPos.SetX( (sb.X() - sa.X()) * chUp/8 + sa.X());
|
||||
hitPos.SetY( (sb.Y() - sa.Y()) * chUp/8 + sa.Y());
|
||||
|
||||
if( eUp == 0 || eDown == 0 ){
|
||||
hitPos.SetZ( sa.Z() + (2*(chBk - 7)-1) * sx3Length / 8 );
|
||||
}else{
|
||||
double frac = (eUp - eDown)/(eUp + eDown); // from +1 (downstream) to -1 (upstream)
|
||||
double zPos = sa.Z() + sx3Length * frac/2;
|
||||
hitPos.SetZ( zPos );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
9
script.C
9
script.C
|
|
@ -273,8 +273,13 @@ void script(TString fileName = "", int maxEvent = -1){
|
|||
|
||||
haha->DrawTrack(pos, dir, true);
|
||||
|
||||
PC pc = haha->FindWireID(pos, dir, true);
|
||||
SX3 sx3 = haha->FindSX3Pos(pos, dir, true);
|
||||
PW pc;
|
||||
pc.ConstructGeo();
|
||||
pc.FindWireID(pos, dir, true);
|
||||
|
||||
SX3 sx3;
|
||||
sx3.ConstructGeo();
|
||||
sx3.FindSX3Pos(pos, dir, true);
|
||||
|
||||
// haha->CalTrack(sx3.hitPos, wireID.first, wireID.second, true);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user