void s_intersection()
{
gROOT->GetListOfCanvases()->Delete();
TCanvas *c = new TCanvas("composite shape", "Intersection boolean operation", 700, 1000);
c->Divide(1,2,0,0);
c->cd(2);
gPad->SetPad(0,0,1,0.4);
c->cd(1);
gPad->SetPad(0,0.4,1,1);
if (gGeoManager) delete gGeoManager;
new TGeoManager("xtru", "poza12");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
gGeoManager->SetTopVolume(top);
// define shape components with names
TGeoBBox *box = new TGeoBBox("bx", 40., 40., 40.);
TGeoSphere *sph = new TGeoSphere("sph", 40., 45.);
// define named geometrical transformations with names
TGeoTranslation *tr = new TGeoTranslation(0., 0., 45.);
tr->SetName("tr");
// register all used transformations
tr->RegisterYourself();
// create the composite shape based on a Boolean expression
TGeoCompositeShape *cs = new TGeoCompositeShape("mir", "sph:tr * bx");
TGeoVolume *vol = new TGeoVolume("COMP2",cs);
top->AddNode(vol,1);
gGeoManager->CloseGeometry();
gGeoManager->SetNsegments(100);
top->Draw();
MakePicture();
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
pt->SetLineColor(1);
TText *text = pt->AddText("TGeoCompositeShape - composite shape class");
text->SetTextColor(2);
pt->AddText("----- Here is an example of boolean intersection operation : A * B");
pt->AddText("----- A == sphere (with inner radius non-zero), B == box");
pt->AddText(" ");
pt->SetAllWith("-----","color",4);
pt->SetAllWith("-----","font",72);
pt->SetAllWith("-----","size",0.04);
pt->SetTextAlign(12);
pt->SetTextSize(0.044);
pt->Draw();
c->cd(1);
}
void KVFAZIALNS2016::BuildFAZIA()
{
//Build geometry of FAZIASYM
//All telescopes are : Si(300µm)-Si(500µm)-CsI(10cm)
//No attempt has been made to implement real thicknesses
//
Info("BuildFAZIA", "Compact geometry, %f cm from target",
fFDist);
TGeoVolume* top = gGeoManager->GetTopVolume();
Double_t distance_block_cible = fFDist * KVUnits::cm;
Double_t thick_si1 = 300 * KVUnits::um;
TGeoTranslation trans;
trans.SetDz(distance_block_cible + thick_si1 / 2.);
KVFAZIABlock* block = new KVFAZIABlock;
TGeoRotation rot1, rot2;
TGeoHMatrix h;
TGeoHMatrix* ph = 0;
Double_t theta = 0;
Double_t phi = 0;
Double_t theta_min = fFThetaMin;//smallest lab polar angle in degrees
Double_t centre_hole = 2.*tan(theta_min * TMath::DegToRad()) * distance_block_cible;
Double_t dx = (block->GetTotalSideWithBlindage()) / 2.;
TVector3 centre;
for (Int_t bb = 0; bb < fNblocks; bb += 1) {
if (bb == 1) centre.SetXYZ(-1 * (dx - centre_hole / 2), -dx - centre_hole / 2, distance_block_cible);
else if (bb == 2) centre.SetXYZ(-1 * (dx + centre_hole / 2), dx - centre_hole / 2, distance_block_cible);
else if (bb == 3) centre.SetXYZ(-1 * (-dx + centre_hole / 2), dx + centre_hole / 2, distance_block_cible);
else if (bb == 0) centre.SetXYZ(-1 * (-dx - centre_hole / 2), -dx + centre_hole / 2, distance_block_cible);
else if (bb == 4) centre.SetXYZ(-1 * (-dx - centre_hole / 2), -3 * dx + centre_hole / 2, distance_block_cible); //centre.SetXYZ(-1 * (dx - centre_hole / 2), -3 * dx - centre_hole / 2, distance_block_cible);
else {
Warning("BuildFAZIA", "Block position definition is done only for %d blocks", fNblocks);
}
theta = centre.Theta() * TMath::RadToDeg();
phi = centre.Phi() * TMath::RadToDeg();
printf("BLK #%d => theta=%1.2lf - phi=%1.2lf\n", bb, theta, phi);
rot2.SetAngles(phi + 90., theta, 0.);
rot1.SetAngles(-1.*phi, 0., 0.);
h = rot2 * trans * rot1;
ph = new TGeoHMatrix(h);
top->AddNode(block, bb, ph);
}
// add telescope for elastic scattering monitoring
// RutherfordTelescope();
// Change default geometry import angular range for rutherford telescope
SetGeometryImportParameters(.25, 1., 1.84);
}
KVFAZIABlock::KVFAZIABlock() : TGeoVolumeAssembly("STRUCT_BLOCK")
{
// Default constructor
SetMedium(gGeoManager->GetMedium("Vacuum"));//to avoid warnings about STRUCT_BLOCK has dummy medium
KVMaterial mat_si("Si");
TGeoMedium *Silicon = mat_si.GetGeoMedium();
KVMaterial mat_csi("CsI");
TGeoMedium *CesiumIodide = mat_csi.GetGeoMedium();
KVMaterial mat_plomb("Lead");
TGeoMedium *Plomb = mat_plomb.GetGeoMedium();
TGeoVolumeAssembly* quartet = gGeoManager->MakeVolumeAssembly("STRUCT_QUARTET");
quartet->SetMedium(gGeoManager->GetMedium("Vacuum"));//to avoid warnings about STRUCT_QUARTET has dummy medium
TGeoVolume* si = 0;
TGeoVolume* csi = 0;
Double_t distance_si2_si1 = 0.220;
Double_t distance_csi_si2 = 0.434;
Double_t side_si = 2;
Double_t side_csi_front = 2.050;
Double_t side_csi_back = 2.272;
Double_t inter_si = 0.24;
Double_t thick_si1 = 300 * KVUnits::um;
Double_t thick_si2 = 500 * KVUnits::um;
Double_t thick_csi = 10;
Double_t adjust_csi = 0.0165;
Int_t ndet = 1;;
TGeoTranslation* tr = 0;
Double_t shift = side_si / 2 + inter_si / 2;
//printf("%lf\n", shift);
Double_t coefx[4] = { -1., -1., 1., 1.};
Double_t coefy[4] = {1., -1., -1., 1.};
for (Int_t nt = 1; nt <= 4; nt += 1) {
shift = side_si / 2 + inter_si / 2;
si = gGeoManager->MakeBox(Form("DET_SI1-T%d", nt), Silicon, side_si / 2, side_si / 2, thick_si1 / 2.);
tr = new TGeoTranslation(coefx[nt - 1]*shift, coefy[nt - 1]*shift, thick_si1 / 2.);
quartet->AddNode(si, ndet++, tr);
((TGeoNodeMatrix*)quartet->GetNodes()->Last())->SetName(Form("DET_SI1-T%d", nt));
si = gGeoManager->MakeBox(Form("DET_SI2-T%d", nt), Silicon, side_si / 2, side_si / 2, thick_si2 / 2.);
tr = new TGeoTranslation(coefx[nt - 1]*shift, coefy[nt - 1]*shift, thick_si2 / 2. + distance_si2_si1);
quartet->AddNode(si, ndet++, tr);
((TGeoNodeMatrix*)quartet->GetNodes()->Last())->SetName(Form("DET_SI2-T%d", nt));
shift = side_si / 2 + inter_si / 2 + adjust_csi;
csi = gGeoManager->MakeTrd2(Form("DET_CSI-T%d", nt), CesiumIodide, side_csi_front / 2, side_csi_back / 2, side_csi_front / 2, side_csi_back / 2, thick_csi / 2.);
tr = new TGeoTranslation(coefx[nt - 1]*shift, coefy[nt - 1]*shift, thick_csi / 2. + distance_csi_si2);
quartet->AddNode(csi, ndet++, tr);
((TGeoNodeMatrix*)quartet->GetNodes()->Last())->SetName(Form("DET_CSI-T%d", nt));
}
Int_t nbl = 1;
TGeoVolume* blindage = 0;
//Double_t thick_bld = thick_si1+distance_si2_si1+thick_si2;
/* l'epaisseur du si1 est compris dans la distance_si2_si1 */
Double_t thick_bld = distance_si2_si1 + thick_si2;
Double_t shift_bld = (side_si + inter_si) / 2.;
///Croix inter quartet
//
// Separation des 4 télescopes
//
//
blindage = gGeoManager->MakeBox("DEADZONE_BLINDAGE_1", Plomb, inter_si / 2, (side_si + inter_si / 2), thick_bld / 2.);
//printf("%s\n", blindage->GetMaterial()->GetTitle());
tr = new TGeoTranslation(0, 0, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
blindage = gGeoManager->MakeBox("DEADZONE_BLINDAGE_2", Plomb, (side_si / 2), inter_si / 2, thick_bld / 2.);
tr = new TGeoTranslation(-1 * shift_bld, 0, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
tr = new TGeoTranslation(+1 * shift_bld, 0, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
///Contour de l ensemble du quartet
//
//Délimiation des bords exterieurs
//
//
shift_bld = (side_si + inter_si);
blindage = gGeoManager->MakeBox("DEADZONE_BLINDAGE_3", Plomb, (side_si + inter_si / 2), inter_si / 2, thick_bld / 2.);
tr = new TGeoTranslation(0, shift_bld, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
tr = new TGeoTranslation(0, -1 * shift_bld, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
///
blindage = gGeoManager->MakeBox("DEADZONE_BLINDAGE_4", Plomb, inter_si / 2, (side_si + inter_si * 1.5), thick_bld / 2.);
tr = new TGeoTranslation(shift_bld, 0, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
tr = new TGeoTranslation(-1 * shift_bld, 0, thick_bld / 2.);
quartet->AddNode(blindage, nbl++, tr);
fTotSidWBlind = 4 * side_si + 5 * inter_si;
//Coordonnées extraite des côtes données par Yvan M.
//vecteur pointant le milieu d un quartet
//X=-2.231625
//Y=-2.230525
//Z=99.950350
// Mag=100.000139
// Theta=1.808104
// Phi = -135.014124
TVector3* placement = new TVector3(-2.231625, -2.230525, 99.950350);
TVector3* Centre = new TVector3();
TGeoRotation rot1, rot2;
TGeoTranslation trans;
TGeoTranslation invZtrans(0, 0, -100);
TGeoHMatrix h;
TGeoHMatrix* ph = 0;
//Boucle sur les 4 quartets d un block
Double_t tx[4] = {1, -1, -1, 1};
Double_t ty[4] = {1, 1, -1, -1};
Double_t theta = 0;
Double_t phi = 0;
Double_t trans_z = 0;
for (Int_t nq = 1; nq <= 4; nq += 1) {
Centre->SetXYZ(placement->X()*tx[nq - 1], placement->Y()*ty[nq - 1], placement->Z());
theta = Centre->Theta() * TMath::RadToDeg();
phi = Centre->Phi() * TMath::RadToDeg();
trans_z = Centre->Mag() + thick_si1 / 2.;
rot2.SetAngles(phi + 90., theta, 0.);
rot1.SetAngles(-1.*phi, 0., 0.);
trans.SetDz(trans_z);
h = invZtrans * rot2 * trans * rot1;
ph = new TGeoHMatrix(h);
AddNode(quartet, nq, ph);
}
}
void complex_1()
{
gROOT->GetListOfCanvases()->Delete();
TCanvas *c = new TCanvas("composite shape", "A * B - C", 700, 1000);
c->Divide(1,2,0,0);
c->cd(2);
gPad->SetPad(0,0,1,0.4);
c->cd(1);
gPad->SetPad(0,0.4,1,1);
if (gGeoManager) delete gGeoManager;
new TGeoManager("xtru", "poza12");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
gGeoManager->SetTopVolume(top);
// define shape components with names
TGeoBBox *box = new TGeoBBox("box", 20., 20., 20.);
TGeoBBox *box1 = new TGeoBBox("box1", 5., 5., 5.);
TGeoSphere *sph = new TGeoSphere("sph", 5., 25.);
TGeoSphere *sph1 = new TGeoSphere("sph1", 1., 15.);
// create the composite shape based on a Boolean expression
TGeoTranslation *tr = new TGeoTranslation(0., 30., 0.);
TGeoTranslation *tr1 = new TGeoTranslation(0., 40., 0.);
TGeoTranslation *tr2 = new TGeoTranslation(0., 30., 0.);
TGeoTranslation *tr3 = new TGeoTranslation(0., 30., 0.);
tr->SetName("tr");
tr1->SetName("tr1");
tr2->SetName("tr2");
tr3->SetName("tr3");
// register all used transformations
tr->RegisterYourself();
tr1->RegisterYourself();
tr2->RegisterYourself();
tr3->RegisterYourself();
TGeoCompositeShape *cs = new TGeoCompositeShape("mir", "(sph * box) + (sph1:tr - box1:tr1)");
TGeoVolume *vol = new TGeoVolume("COMP4",cs);
// vol->SetLineColor(randomColor());
top->AddNode(vol,1);
gGeoManager->CloseGeometry();
gGeoManager->SetNsegments(80);
top->Draw();
MakePicture();
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
pt->SetLineColor(1);
TText *text = pt->AddText("TGeoCompositeShape - composite shape class");
text->SetTextColor(2);
pt->AddText("----- (sphere * box) + (sphere - box) ");
pt->AddText(" ");
pt->SetAllWith("-----","color",4);
pt->SetAllWith("-----","font",72);
pt->SetAllWith("-----","size",0.04);
pt->SetTextAlign(12);
pt->SetTextSize(0.044);
pt->Draw();
c->cd(1);
}
void AddMirrors(AOpticalComponent* opt)
{
// dummy hexagonal prism to cut a spherical mirror
TGeoPgon* mirCut = new TGeoPgon("mirCut", 0., 360., 6, 2);
mirCut->DefineSection(0, -100*mm, 0, kMirrorD/2.);
mirCut->DefineSection(1, 100*mm, 0, kMirrorD/2.);
double theta = TMath::ASin(kMirrorD/TMath::Sqrt(3)/kMirrorR)*TMath::RadToDeg();
TGeoSphere* mirSphere = new TGeoSphere("mirSphere", kMirrorR, kMirrorR + kMirrorT, 180. - theta, 180.);
TGeoTranslation* transZ = new TGeoTranslation("transZ", 0, 0, kMirrorR);
transZ->RegisterYourself();
TGeoCompositeShape* mirComposite = new TGeoCompositeShape("mirComposite", "mirSphere:transZ*mirCut");
AMirror* mirror = new AMirror("mirror", mirComposite);
const int kNMirror = 88;
double dx = kMirrorD/TMath::Sqrt(3);
double dy = kMirrorD/2.;
double x[kNMirror] = {0, 0, 0, 0, 0, 0, 0, 0,
1.5*dx, 1.5*dx, 1.5*dx, 1.5*dx, 1.5*dx,
1.5*dx, 1.5*dx, 1.5*dx, 1.5*dx, 1.5*dx,
-1.5*dx, -1.5*dx, -1.5*dx, -1.5*dx, -1.5*dx,
-1.5*dx, -1.5*dx, -1.5*dx, -1.5*dx, -1.5*dx,
3*dx, 3*dx, 3*dx, 3*dx, 3*dx,
3*dx, 3*dx, 3*dx, 3*dx,
-3*dx, -3*dx, -3*dx, -3*dx, -3*dx,
-3*dx, -3*dx, -3*dx, -3*dx,
4.5*dx, 4.5*dx, 4.5*dx, 4.5*dx,
4.5*dx, 4.5*dx, 4.5*dx, 4.5*dx,
-4.5*dx, -4.5*dx, -4.5*dx, -4.5*dx,
-4.5*dx, -4.5*dx, -4.5*dx, -4.5*dx,
6*dx, 6*dx, 6*dx, 6*dx,
6*dx, 6*dx, 6*dx,
-6*dx, -6*dx, -6*dx, -6*dx,
-6*dx, -6*dx, -6*dx,
7.5*dx, 7.5*dx, 7.5*dx,
7.5*dx, 7.5*dx, 7.5*dx,
-7.5*dx, -7.5*dx, -7.5*dx,
-7.5*dx, -7.5*dx, -7.5*dx};
double y[kNMirror] = {2*dy, 4*dy, 6*dy, 8*dy, -2*dy, -4*dy, -6*dy, -8*dy,
1*dy, 3*dy, 5*dy, 7*dy, 9*dy,
-1*dy, -3*dy, -5*dy, -7*dy, -9*dy,
1*dy, 3*dy, 5*dy, 7*dy, 9*dy,
-1*dy, -3*dy, -5*dy, -7*dy, -9*dy,
0*dy, 2*dy, 4*dy, 6*dy, 8*dy,
-2*dy, -4*dy, -6*dy, -8*dy,
0*dy, 2*dy, 4*dy, 6*dy, 8*dy,
-2*dy, -4*dy, -6*dy, -8*dy,
1*dy, 3*dy, 5*dy, 7*dy,
-1*dy, -3*dy, -5*dy, -7*dy,
1*dy, 3*dy, 5*dy, 7*dy,
-1*dy, -3*dy, -5*dy, -7*dy,
0*dy, 2*dy, 4*dy, 6*dy,
-2*dy, -4*dy, -6*dy,
0*dy, 2*dy, 4*dy, 6*dy,
-2*dy, -4*dy, -6*dy,
1*dy, 3*dy, 5*dy,
-1*dy, -3*dy, -5*dy,
1*dy, 3*dy, 5*dy,
-1*dy, -3*dy, -5*dy};
for(int i = 0; i < kNMirror; i++){
double r2d = TMath::RadToDeg();
double r2 = TMath::Power(x[i], 2) + TMath::Power(y[i], 2);
double z = kF - TMath::Sqrt(TMath::Power(kF, 2) - r2);
// each mirror center is relocated from the origin (0, 0, 0) to (x, y, z)
TGeoTranslation* trans = new TGeoTranslation(Form("mirTrans%d", i), x[i], y[i], z);
// and is rotated to compose a DC optics
double phi = TMath::ATan2(y[i], x[i])*r2d;
TGeoRotation* rot = new TGeoRotation(Form("mirRot%d", i), - phi + 90., 0, 0);
theta = TMath::ATan2(TMath::Sqrt(r2), 2*kF - z)*r2d;
TGeoRotation* rot2 = new TGeoRotation("", phi - 90., theta, 0);
rot->MultiplyBy(rot2, 0);
// make a matrix from translation and rotation matrices
TGeoCombiTrans* combi = new TGeoCombiTrans(*trans, *rot);
// finally add this mirror to the world
opt->AddNode(mirror, i + 1, combi);
} // i
}
void EUTelGeometryTelescopeGeoDescription::translateSiPlane2TGeo(TGeoVolume* pvolumeWorld, int SensorId ) {
double xc, yc, zc; // volume center position
double alpha, beta, gamma;
double rotRef1, rotRef2, rotRef3, rotRef4;
std::stringstream strId;
strId << SensorId;
// Get sensor center position
xc = siPlaneXPosition( SensorId );
yc = siPlaneYPosition( SensorId );
zc = siPlaneZPosition( SensorId );
// Get sensor orientation
alpha = siPlaneXRotation( SensorId ); // in degrees !
beta = siPlaneYRotation( SensorId ); //
gamma = siPlaneZRotation( SensorId ); //
rotRef1 = siPlaneRotation1( SensorId );
rotRef2 = siPlaneRotation2( SensorId );
rotRef3 = siPlaneRotation3( SensorId );
rotRef4 = siPlaneRotation4( SensorId );
//We must check that the input is correct. Since this is a combination of initial rotations and reflections the determinate must be 1 or -1
float determinant = rotRef1*rotRef4 - rotRef2*rotRef3 ;
if(determinant==1 or determinant==-1) {
streamlog_out(DEBUG5) << "SensorID: " << SensorId << ". Determinant = " <<determinant <<" This is the correct determinate for this transformation." << std::endl;
} else {
streamlog_out(ERROR5) << "SensorID: " << SensorId << ". Determinant = " <<determinant << std::endl;
throw(lcio::Exception("The initial rotation and reflection matrix does not have determinant of 1 or -1. Gear file input must be wrong."));
}
//Create spatial TGeoTranslation object.
std::string stTranslationName = "matrixTranslationSensor";
stTranslationName.append( strId.str() );
TGeoTranslation* pMatrixTrans = new TGeoTranslation( stTranslationName.c_str(), xc, yc, zc );
//ALL clsses deriving from TGeoMatrix are not owned by the ROOT geometry manager, invoking RegisterYourself() transfers
//ownership and thus ROOT will clean up
pMatrixTrans->RegisterYourself();
//Create TGeoRotation object.
//Translations are of course just positional changes in the global frame.
//Note that each subsequent rotation is using the new coordinate system of the last transformation all the way back to the global frame.
//The way to think about this is that each rotation is the multiplication of the last rotation matrix by a new one.
//The order is:
//Integer Z rotation and reflections.
//Z rotations specified by in degrees.
//X rotations
//Y rotations
TGeoRotation* pMatrixRotRefCombined = new TGeoRotation();
//We have to ensure that we retain a right handed coordinate system, i.e. if we only flip the x or y axis, we have to also flip the z-axis. If we flip both we have to flip twice.
double integerRotationsAndReflections[9]={rotRef1,rotRef2,0,rotRef3,rotRef4,0,0,0, determinant};
pMatrixRotRefCombined->SetMatrix(integerRotationsAndReflections);
std::cout << "Rotating plane " << SensorId << " to gamma: " << gamma << std::endl;
pMatrixRotRefCombined->RotateZ(gamma);//Z Rotation (degrees)//This will again rotate a vector around z axis usign the right hand rule.
pMatrixRotRefCombined->RotateX(alpha);//X Rotations (degrees)//This will rotate a vector usign the right hand rule round the x-axis
pMatrixRotRefCombined->RotateY(beta);//Y Rotations (degrees)//Same again for Y axis
pMatrixRotRefCombined->RegisterYourself();//We must allow the matrix to be used by the TGeo manager.
// Combined translation and orientation
TGeoCombiTrans* combi = new TGeoCombiTrans( *pMatrixTrans, *pMatrixRotRefCombined );
//This is to print to screen the rotation and translation matrices used to transform from local to global frame.
streamlog_out(MESSAGE9) << "THESE MATRICES ARE USED TO TAKE A POINT IN THE LOCAL FRAME AND MOVE IT TO THE GLOBAL FRAME." << std::endl;
streamlog_out(MESSAGE9) << "SensorID: " << SensorId << " Rotation/Reflection matrix for this object." << std::endl;
const double* rotationMatrix = combi->GetRotationMatrix();
streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[0]<<" "<<rotationMatrix[1]<<" "<<rotationMatrix[2]<< std::endl;
streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[3]<<" "<<rotationMatrix[4]<<" "<<rotationMatrix[5]<< std::endl;
streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[6]<<" "<<rotationMatrix[7]<<" "<<rotationMatrix[8]<< std::endl;
//streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[0] << std::setw(10) <<rotationMatrix[1]<< std::setw(10) <<rotationMatrix[2]<< std::setw(10)<< std::endl<< std::endl;
//streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[3] << std::setw(10) <<rotationMatrix[4]<< std::setw(10) <<rotationMatrix[5]<< std::setw(10)<< std::endl<< std::endl;
//streamlog_out(MESSAGE9) << std::setw(10) <<rotationMatrix[6] << std::setw(10) <<rotationMatrix[7]<< std::setw(10) <<rotationMatrix[8]<< std::setw(10)<< std::endl<< std::endl;
const double* translationMatrix = combi->GetTranslation();
streamlog_out(MESSAGE9) << "SensorID: " << SensorId << " Translation vector for this object." << std::endl;
streamlog_out(MESSAGE9) << std::setw(10) <<translationMatrix[0] << std::setw(10) <<translationMatrix[1]<< std::setw(10) <<translationMatrix[2]<< std::setw(10)<< std::endl;
combi->RegisterYourself();
// Construct object medium. Required for radiation length determination
// assume SILICON, though all information except of radiation length is ignored
double a = 28.085500;
double z = 14.000000;
double density = 2.330000;
double radl = siPlaneRadLength( SensorId );
double absl = 45.753206;
std::string stMatName = "materialSensor";
stMatName.append( strId.str() );
TGeoMaterial* pMat = new TGeoMaterial( stMatName.c_str(), a, z, density, -radl, absl );
pMat->SetIndex( 1 );
// Medium: medium_Sensor_SILICON
int numed = 0; // medium number
double par[8];
par[0] = 0.000000; // isvol
par[1] = 0.000000; // ifield
par[2] = 0.000000; // fieldm
par[3] = 0.000000; // tmaxfd
par[4] = 0.000000; // stemax
par[5] = 0.000000; // deemax
par[6] = 0.000000; // epsil
par[7] = 0.000000; // stmin
std::string stMedName = "mediumSensor";
stMedName.append( strId.str() );
TGeoMedium* pMed = new TGeoMedium( stMedName.c_str(), numed, pMat, par );
// Construct object shape
// Shape: Box type: TGeoBBox
// TGeo requires half-width of box side
Double_t dx = siPlaneXSize( SensorId ) / 2.;
Double_t dy = siPlaneYSize( SensorId ) / 2.;
Double_t dz = siPlaneZSize( SensorId ) / 2.;
TGeoShape *pBoxSensor = new TGeoBBox( "BoxSensor", dx, dy, dz );
std::cout << "Box for sensor: " << SensorId << " is: " << dx << "|" << dy << "|" << dz << '\n';
// Geometry navigation package requires following names for objects that have an ID name:ID
std::string stVolName = "volume_SensorID:";
stVolName.append( strId.str() );
_planePath.insert( std::make_pair(SensorId, "/volume_World_1/"+stVolName+"_1") );
TGeoVolume* pvolumeSensor = new TGeoVolume( stVolName.c_str(), pBoxSensor, pMed );
pvolumeSensor->SetVisLeaves( kTRUE );
pvolumeWorld->AddNode(pvolumeSensor, 1/*(SensorId)*/, combi);
//this line tells the pixel geometry manager to load the pixel geometry into the plane
streamlog_out(DEBUG1) << " sensorID: " << SensorId << " " << stVolName << std::endl;
std::string name = geoLibName(SensorId);
if( name == "CAST" ) {
_pixGeoMgr->addCastedPlane( SensorId, siPlaneXNpixels(SensorId), siPlaneYNpixels(SensorId), siPlaneXSize(SensorId), siPlaneYSize(SensorId), siPlaneZSize(SensorId), siPlaneRadLength(SensorId), stVolName);
} else {
_pixGeoMgr->addPlane( SensorId, name, stVolName);
updatePlaneInfo(SensorId);
}
}
/**
* Initialise ROOT geometry objects from GEAR objects
*
* @param geomName name of ROOT geometry object
* @param dumpRoot dump automatically generated ROOT geometry file for further inspection
*/
void EUTelGeometryTelescopeGeoDescription::initializeTGeoDescription( std::string& geomName, bool dumpRoot = false ) {
// #ifdef USE_TGEO
// get access to ROOT's geometry manager
if( _isGeoInitialized )
{
streamlog_out( WARNING3 ) << "EUTelGeometryTelescopeGeoDescription: Geometry already initialized, using old initialization" << std::endl;
return;
}
else
{
_geoManager = new TGeoManager("Telescope", "v0.1");
}
if( !_geoManager )
{
streamlog_out( ERROR3 ) << "Can't instantiate ROOT TGeoManager " << std::endl;
return;
}
// Create top world volume containing telescope/DUT geometry
// Create air mixture
// see http://pdg.lbl.gov/2013/AtomicNuclearProperties/HTML_PAGES/104.html
double air_density = 1.2e-3; // g/cm^3
double air_radlen = 36.62; // g/cm^2
TGeoMixture* pMatAir = new TGeoMixture("AIR",3,air_density);
pMatAir->DefineElement(0, 14.007, 7., 0.755267 ); //Nitrogen
pMatAir->DefineElement(1, 15.999, 8., 0.231781 ); //Oxygen
pMatAir->DefineElement(2, 39.948, 18., 0.012827 ); //Argon
pMatAir->DefineElement(3, 12.011, 6., 0.000124 ); //Carbon
pMatAir->SetRadLen( air_radlen );
// Medium: medium_World_AIR
TGeoMedium* pMedAir = new TGeoMedium("medium_World_AIR", 3, pMatAir );
// The World is the 10 x 10m x 10m box filled with air mixture
Double_t dx,dy,dz;
dx = 5000.000000; // [mm]
dy = 5000.000000; // [mm]
dz = 5000.000000; // [mm]
TGeoShape *pBoxWorld = new TGeoBBox("Box_World", dx,dy,dz);
// Volume: volume_World
TGeoVolume* pvolumeWorld = new TGeoVolume("volume_World",pBoxWorld, pMedAir);
pvolumeWorld->SetLineColor(4);
pvolumeWorld->SetLineWidth(3);
pvolumeWorld->SetVisLeaves(kTRUE);
// Set top volume of geometry
gGeoManager->SetTopVolume( pvolumeWorld );
// Iterate over registered GEAR objects and construct their TGeo representation
const Double_t PI = 3.141592653589793;
const Double_t DEG = 180./PI;
double xc, yc, zc; // volume center position
double alpha, beta, gamma;
IntVec::const_iterator itrPlaneId;
for ( itrPlaneId = _sensorIDVec.begin(); itrPlaneId != _sensorIDVec.end(); ++itrPlaneId ) {
std::stringstream strId;
strId << *itrPlaneId;
// Get sensor center position
xc = siPlaneXPosition( *itrPlaneId );
yc = siPlaneYPosition( *itrPlaneId );
zc = siPlaneZPosition( *itrPlaneId );
// Get sensor orientation
alpha = siPlaneXRotation( *itrPlaneId ); // [rad]
beta = siPlaneYRotation( *itrPlaneId ); // [rad]
gamma = siPlaneZRotation( *itrPlaneId ); // [rad]
// Spatial translations of the sensor center
string stTranslationName = "matrixTranslationSensor";
stTranslationName.append( strId.str() );
TGeoTranslation* pMatrixTrans = new TGeoTranslation( stTranslationName.c_str(), xc, yc, zc );
//ALL clsses deriving from TGeoMatrix are not owned by the ROOT geometry manager, invoking RegisterYourself() transfers
//ownership and thus ROOT will clean up
pMatrixTrans->RegisterYourself();
// Spatial rotation around sensor center
// TGeoRotation requires Euler angles in degrees
string stRotationName = "matrixRotationSensorX";
stRotationName.append( strId.str() );
TGeoRotation* pMatrixRotX = new TGeoRotation( stRotationName.c_str(), 0., alpha*DEG, 0.); // around X axis
stRotationName = "matrixRotationSensorY";
stRotationName.append( strId.str() );
TGeoRotation* pMatrixRotY = new TGeoRotation( stRotationName.c_str(), 90., beta*DEG, 0.); // around Y axis (combination of rotation around Z axis and new X axis)
stRotationName = "matrixRotationSensorBackY";
stRotationName.append( strId.str() );
TGeoRotation* pMatrixRotY1 = new TGeoRotation( stRotationName.c_str(), -90., 0., 0.); // restoration of original orientation (valid in small angle approximataion ~< 15 deg)
stRotationName = "matrixRotationSensorZ";
stRotationName.append( strId.str() );
TGeoRotation* pMatrixRotZ = new TGeoRotation( stRotationName.c_str(), 0. , 0., gamma*DEG); // around Z axis
// Combined rotation in several steps
TGeoRotation* pMatrixRot = new TGeoRotation( *pMatrixRotX );
pMatrixRot->MultiplyBy( pMatrixRotY );
pMatrixRot->MultiplyBy( pMatrixRotY1 );
pMatrixRot->MultiplyBy( pMatrixRotZ );
pMatrixRot->RegisterYourself();
pMatrixRotX->RegisterYourself();
pMatrixRotY->RegisterYourself();
pMatrixRotY1->RegisterYourself();
pMatrixRotZ->RegisterYourself();
// Combined translation and orientation
TGeoCombiTrans* combi = new TGeoCombiTrans( *pMatrixTrans, *pMatrixRot );
combi->RegisterYourself();
// Construction of sensor objects
// Construct object medium. Required for radiation length determination
// assume SILICON, though all information except of radiation length is ignored
double a = 28.085500;
double z = 14.000000;
double density = 2.330000;
double radl = siPlaneMediumRadLen( *itrPlaneId );
double absl = 45.753206;
string stMatName = "materialSensor";
stMatName.append( strId.str() );
TGeoMaterial* pMat = new TGeoMaterial( stMatName.c_str(), a, z, density, radl, absl );
pMat->SetIndex( 1 );
// Medium: medium_Sensor_SILICON
int numed = 0; // medium number
double par[8];
par[0] = 0.000000; // isvol
par[1] = 0.000000; // ifield
par[2] = 0.000000; // fieldm
par[3] = 0.000000; // tmaxfd
par[4] = 0.000000; // stemax
par[5] = 0.000000; // deemax
par[6] = 0.000000; // epsil
par[7] = 0.000000; // stmin
string stMedName = "mediumSensor";
stMedName.append( strId.str() );
TGeoMedium* pMed = new TGeoMedium( stMedName.c_str(), numed, pMat, par );
// Construct object shape
// Shape: Box type: TGeoBBox
// TGeo requires half-width of box side
dx = siPlaneXSize( *itrPlaneId ) / 2.;
dy = siPlaneYSize( *itrPlaneId ) / 2.;
dz = siPlaneZSize( *itrPlaneId ) / 2.;
TGeoShape *pBoxSensor = new TGeoBBox( "BoxSensor", dx, dy, dz );
// Volume: volume_Sensor1
// Geometry navigation package requires following names for objects that have an ID
// name:ID
string stVolName = "volume_SensorID:";
stVolName.append( strId.str() );
_planePath.insert( std::make_pair(*itrPlaneId, "/volume_World_1/"+stVolName+"_1") );
TGeoVolume* pvolumeSensor = new TGeoVolume( stVolName.c_str(), pBoxSensor, pMed );
pvolumeSensor->SetVisLeaves( kTRUE );
pvolumeWorld->AddNode(pvolumeSensor, 1/*(*itrPlaneId)*/, combi);
//this line tells the pixel geometry manager to load the pixel geometry into the plane
_pixGeoMgr->addPlane( *itrPlaneId, geoLibName( *itrPlaneId), stVolName);
} // loop over sensorID
_geoManager->CloseGeometry();
_isGeoInitialized = true;
// Dump ROOT TGeo object into file
if ( dumpRoot ) _geoManager->Export( geomName.c_str() );
// #endif //USE_TGEO
return;
}
