field04/src/F04ElementField.cc

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0025 //
0026 /// \file F04ElementField.cc
0027 /// \brief Implementation of the F04ElementField class
0028
0029 #include "F04ElementField.hh"
0030
0031 #include "F04GlobalField.hh"
0032
0033 #include "G4SystemOfUnits.hh"
0034 #include "G4TouchableHandle.hh"
0035
0036 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0037
0038 G4ThreadLocal G4Navigator* F04ElementField::fNavigator = nullptr;
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041
0042 F04ElementField::F04ElementField(G4ThreeVector c, G4LogicalVolume* lv) : fVolume(lv), fCenter(c)
0043 {
0044   F04GlobalField::GetObject()->AddElementField(this);
0045
0046   fUserLimits = new G4UserLimits();
0047   fUserLimits->SetMaxAllowedStep(fMaxStep);
0048   fUserLimits->SetUserMaxTrackLength(500. * m);
0049   fUserLimits->SetUserMaxTime(10 * ms);
0050   fUserLimits->SetUserMinEkine(0.1 * MeV);
0051   //  fUserLimits->SetUserMinRange(1*mm);
0052
0053   fVolume->SetVisAttributes(GetVisAttribute(fColor));
0054   fVolume->SetUserLimits(fUserLimits);
0055 }
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058
0059 void F04ElementField::Construct()
0060 {
0061   G4Navigator* theNavigator =
0062     G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
0063   if (!fNavigator) {
0064     fNavigator = new G4Navigator();
0065     if (theNavigator->GetWorldVolume()) fNavigator->SetWorldVolume(theNavigator->GetWorldVolume());
0066   }
0067
0068   fNavigator->LocateGlobalPointAndSetup(fCenter, nullptr, false);
0069
0070   G4TouchableHandle touchable = fNavigator->CreateTouchableHistoryHandle();
0071
0072   G4int depth = touchable->GetHistoryDepth();
0073   for (G4int i = 0; i < depth; ++i) {
0074     if (touchable->GetVolume()->GetLogicalVolume() == fVolume) break;
0075     touchable->MoveUpHistory();
0076   }
0077
0078   // set fGlobal2local transform
0079   fGlobal2local = touchable->GetHistory()->GetTopTransform();
0080
0081   // set global bounding box
0082   G4double local[4], global[4];
0083
0084   G4ThreeVector globalPosition;
0085   local[3] = 0.0;
0086   for (G4int i = 0; i < 2; ++i) {
0087     local[0] = (i == 0 ? -1.0 : 1.0) * GetWidth() / 2.;
0088     for (G4int j = 0; j < 2; ++j) {
0089       local[1] = (j == 0 ? -1.0 : 1.0) * GetHeight() / 2.;
0090       for (G4int k = 0; k < 2; ++k) {
0091         local[2] = (k == 0 ? -1.0 : 1.0) * GetLength() / 2.;
0092         G4ThreeVector localPosition(local[0], local[1], local[2]);
0093         globalPosition = fGlobal2local.Inverse().TransformPoint(localPosition);
0094         global[0] = globalPosition.x();
0095         global[1] = globalPosition.y();
0096         global[2] = globalPosition.z();
0097         SetGlobalPoint(global);
0098       }
0099     }
0100   }
0101 }
0102
0103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0104
0105 G4VisAttributes* F04ElementField::GetVisAttribute(G4String color)
0106 {
0107   G4VisAttributes* p = nullptr;
0108   if (color.size() > 0 && (isdigit(color.c_str()[0]) || color.c_str()[0] == '.')) {
0109     G4double red = 0.0, green = 0.0, blue = 0.0;
0110     if (sscanf(color.c_str(), "%lf,%lf,%lf", &red, &green, &blue) == 3) {
0111       p = new G4VisAttributes(true, G4Color(red, green, blue));
0112     }
0113     else {
0114       G4cout << " Invalid color " << color << G4endl;
0115     }
0116   }
0117
0118   if (!p) p = new G4VisAttributes(G4VisAttributes::GetInvisible());
0119   p->SetDaughtersInvisible(false);
0120
0121   return p;
0122 }