#include "TGeoManager.h" #include "TGeoVolume.h" #include "TGeoBBox.h" #include "TCanvas.h" #include "TPolyMarker3D.h" #include "TPolyLine3D.h" #include "TMath.h" void ANASEN_model(int anodeID1 = -1, int anodeID2 = -1, int cathodeID1 = -1, int cathodeID2 = -1 ) { // Create ROOT manager and master volume TGeoManager *geom = new TGeoManager("Detector", "ANASEN"); //--- define some materials TGeoMaterial *matVacuum = new TGeoMaterial("Vacuum", 0,0,0); TGeoMaterial *matAl = new TGeoMaterial("Al", 26.98,13,2.7); //--- define some media TGeoMedium *Vacuum = new TGeoMedium("Vacuum",1, matVacuum); TGeoMedium *Al = new TGeoMedium("Root Material",2, matAl); //--- make the top container volume Double_t worldx = 200.; //mm Double_t worldy = 200.; //mm Double_t worldz = 200.; //mm TGeoVolume *worldBox = geom->MakeBox("ROOT", Vacuum, worldx, worldy, worldz); geom->SetTopVolume(worldBox); //--- making axis TGeoVolume *axisX = geom->MakeTube("axisX", Al, 0, 0.1, 5.); axisX->SetLineColor(1); worldBox->AddNode(axisX, 1, new TGeoCombiTrans(5, 0, 0., new TGeoRotation("rotA", 90., 90., 0.))); TGeoVolume *axisY = geom->MakeTube("axisY", Al, 0, 0.1, 5.); axisY->SetLineColor(1); worldBox->AddNode(axisY, 1, new TGeoCombiTrans(0, 5, 0., new TGeoRotation("rotB", 0., 90., 0.))); TGeoVolume *axisZ = geom->MakeTube("axisZ", Al, 0, 0.1, 5.); axisZ->SetLineColor(1); worldBox->AddNode(axisZ, 1, new TGeoTranslation(0, 0, 5)); //--- making ANASEN const int nWire = 24; const int wireShift = 3; 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); for( int i = 0; i < nWire; i++){ if( anodeID2 >= 0 && (i < anodeID1 || i > anodeID2) ) continue; 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, 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, wireCLength/2); pcC->SetLineColor(6); for( int i = 0; i < nWire; i++){ if( cathodeID2 >= 0 && (i < cathodeID1 || i > cathodeID2) ) continue; 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, new TGeoRotation("rot1", 360/ nWire * (i - wireShift/2.), -wireCTheta * 180/ TMath::Pi(), 0.))); } const int nSX3 = 12; const int sx3Radius = 88; const int sx3Width = 40; 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++){ worldBox->AddNode(sx3, 2*i+1., new TGeoCombiTrans( sx3Radius * TMath::Cos( TMath::TwoPi() / nSX3 * (i + 0.5)), sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 * (i + 0.5)), sx3Length/2+sx3Gap, new TGeoRotation("rot1", 360/nSX3 * (i + 0.5), 0., 0.))); worldBox->AddNode(sx3, 2*i+2., new TGeoCombiTrans( sx3Radius * TMath::Cos( TMath::TwoPi() / nSX3 * (i + 0.5)), sx3Radius * TMath::Sin( TMath::TwoPi() / nSX3 * (i + 0.5)), -sx3Length/2-sx3Gap, new TGeoRotation("rot1", 360/nSX3 * (i + 0.5), 0., 0.))); } const int qqqR1 = 10; const int qqqR2 = 50; TGeoVolume *qqq = geom->MakeTubs("qqq", Al, qqqR1, qqqR2, 0.5, 5, 85); qqq->SetLineColor(7); for( int i = 0; i < 4; i++){ worldBox->AddNode(qqq, i+1, new TGeoCombiTrans( 0, 0, 100, new TGeoRotation("rot1", 360/4 * (i), 0., 0.))); } geom->CloseGeometry(); geom->SetVisLevel(4); worldBox->Draw("ogle"); }