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accurate geometry for ANASEN_model

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This commit is contained in:
splitPoleDAQ 2024-01-30 12:37:39 -05:00
parent 4c84e02f66
commit c4e091e300
1 changed files with 48 additions and 22 deletions
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68
ANASEN_model.C
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@ -7,11 +7,10 @@
#include "TMath.h" #include "TMath.h"
void ANASEN_model() { void ANASEN_model(int anodeID1 = -1, int anodeID2 = -1, int cathodeID1 = -1, int cathodeID2 = -1 ) {
// Create ROOT manager and master volume // Create ROOT manager and master volume
TGeoManager *geom = new TGeoManager("Detector", "ANASEN");
TGeoManager *geom = new TGeoManager("Detector", "3D Detector");
//--- define some materials //--- define some materials
TGeoMaterial *matVacuum = new TGeoMaterial("Vacuum", 0,0,0); TGeoMaterial *matVacuum = new TGeoMaterial("Vacuum", 0,0,0);
@ -21,13 +20,13 @@ void ANASEN_model() {
TGeoMedium *Al = new TGeoMedium("Root Material",2, matAl); TGeoMedium *Al = new TGeoMedium("Root Material",2, matAl);
//--- make the top container volume //--- make the top container volume
Double_t worldx = 100.; //cm Double_t worldx = 200.; //mm
Double_t worldy = 100.; //cm Double_t worldy = 200.; //mm
Double_t worldz = 100.; //cm Double_t worldz = 200.; //mm
TGeoVolume *worldBox = geom->MakeBox("ROOT", Vacuum, worldx, worldy, worldz); TGeoVolume *worldBox = geom->MakeBox("ROOT", Vacuum, worldx, worldy, worldz);
geom->SetTopVolume(worldBox); geom->SetTopVolume(worldBox);
//--- making axis
TGeoVolume *axisX = geom->MakeTube("axisX", Al, 0, 0.1, 5.); TGeoVolume *axisX = geom->MakeTube("axisX", Al, 0, 0.1, 5.);
axisX->SetLineColor(1); axisX->SetLineColor(1);
worldBox->AddNode(axisX, 1, new TGeoCombiTrans(5, 0, 0., new TGeoRotation("rotA", 90., 90., 0.))); worldBox->AddNode(axisX, 1, new TGeoCombiTrans(5, 0, 0., new TGeoRotation("rotA", 90., 90., 0.)));
@ -40,40 +39,67 @@ void ANASEN_model() {
axisZ->SetLineColor(1); axisZ->SetLineColor(1);
worldBox->AddNode(axisZ, 1, new TGeoTranslation(0, 0, 5)); worldBox->AddNode(axisZ, 1, new TGeoTranslation(0, 0, 5));
//--- making ANASEN
const int nWire = 24; const int nWire = 24;
const int zLen = 15; const int wireShift = 3;
TGeoVolume *pcA = geom->MakeTube("tub1", Al, 0, 0.01, zLen); const int zLen = 300; //mm
const int radiusA = 38;
const int radiusC = 43;
//.......... convert to wire center dimensions
double dAngle = wireShift * TMath::TwoPi() / nWire;
double radiusAnew = radiusA * TMath::Cos( dAngle / 2.);
double wireALength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusA * TMath::Sin(dAngle/2),2) );
double wireATheta = TMath::ATan2( 2* radiusA * TMath::Sin( dAngle / 2.), zLen);
// printf(" dAngle : %f\n", dAngle);
// printf(" newRadius : %f\n", radiusAnew);
// printf("wireLength : %f\n", wireALength);
// printf("wire Theta : %f\n", wireATheta);
TGeoVolume *pcA = geom->MakeTube("tub1", Al, 0, 0.01, wireALength/2);
pcA->SetLineColor(4); pcA->SetLineColor(4);
for( int i = 0; i < nWire; i++){ for( int i = 0; i < nWire; i++){
worldBox->AddNode(pcA, i+1, new TGeoCombiTrans( 3.8 * TMath::Cos( TMath::TwoPi() / nWire *i), if( i < anodeID1 || i > anodeID2) continue;
3.8 * TMath::Sin( TMath::TwoPi() / nWire *i), worldBox->AddNode(pcA, i+1, new TGeoCombiTrans( radiusAnew * TMath::Cos( TMath::TwoPi() / nWire *i + dAngle / 2),
radiusAnew * TMath::Sin( TMath::TwoPi() / nWire *i + dAngle / 2),
0, 0,
new TGeoRotation("rot1", 360/nWire * (i), 20., 0.))); new TGeoRotation("rot1", 360/ nWire * (i + wireShift/2.), wireATheta * 180/ TMath::Pi(), 0.)));
} }
double radiusCnew = radiusC * TMath::Cos( dAngle / 2.);
double wireCLength = TMath::Sqrt( zLen*zLen + TMath::Power(2* radiusC * TMath::Sin(dAngle/2),2) );
double wireCTheta = TMath::ATan2( 2* radiusC * TMath::Sin( dAngle / 2.), zLen);
TGeoVolume *pcC = geom->MakeTube("tub2", Al, 0, 0.01, zLen); TGeoVolume *pcC = geom->MakeTube("tub2", Al, 0, 0.01, wireCLength/2);
pcC->SetLineColor(6); pcC->SetLineColor(6);
for( int i = 0; i < nWire; i++){ for( int i = 0; i < nWire; i++){
worldBox->AddNode(pcC, i+1, new TGeoCombiTrans( 4.3 * TMath::Cos( TMath::TwoPi() / nWire *i), if( i < cathodeID1 || i > cathodeID2) continue;
4.3 * TMath::Sin( TMath::TwoPi() / nWire *i), worldBox->AddNode(pcC, i+1, new TGeoCombiTrans( radiusCnew * TMath::Cos( TMath::TwoPi() / nWire *i - dAngle/2),
radiusCnew * TMath::Sin( TMath::TwoPi() / nWire *i - dAngle/2),
0, 0,
new TGeoRotation("rot1", 360/nWire * (i), -20., 0.))); new TGeoRotation("rot1", 360/ nWire * (i - wireShift/2.), -wireCTheta * 180/ TMath::Pi(), 0.)));
} }
const int nSX3 = 12; const int nSX3 = 12;
const int sx3Radius = 8.8; const int sx3Radius = 88;
TGeoVolume * sx3 = geom->MakeBox("box", Al, 0.1, 4.0/2, 7.5/2); const int sx3Width = 40;
sx3->SetLineColor(2); const int sx3Length = 75;
const int sx3Gap = 5;
TGeoVolume * sx3 = geom->MakeBox("box", Al, 0.1, sx3Width/2, sx3Length/2);
sx3->SetLineColor(kGreen+3);
for( int i = 0; i < nSX3; i++){ for( int i = 0; i < nSX3; i++){
worldBox->AddNode(sx3, 2*i+1., new TGeoCombiTrans( sx3Radius * TMath::Cos( TMath::TwoPi() / nSX3 *i), worldBox->AddNode(sx3, 2*i+1., new TGeoCombiTrans( sx3Radius * TMath::Cos( TMath::TwoPi() / nSX3 *i),
sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 *i), sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 *i),
8.0/2, sx3Length/2+sx3Gap,
new TGeoRotation("rot1", 360/nSX3 * (i), 0., 0.))); new TGeoRotation("rot1", 360/nSX3 * (i), 0., 0.)));
worldBox->AddNode(sx3, 2*i+2., new TGeoCombiTrans( sx3Radius* TMath::Cos( TMath::TwoPi() / nSX3 *i), worldBox->AddNode(sx3, 2*i+2., new TGeoCombiTrans( sx3Radius* TMath::Cos( TMath::TwoPi() / nSX3 *i),
sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 *i), sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 *i),
-8.0/2, -sx3Length/2-sx3Gap,
new TGeoRotation("rot1", 360/nSX3 * (i), 0., 0.))); new TGeoRotation("rot1", 360/nSX3 * (i), 0., 0.)));
} }