add geant4 scene and gcompose app

src/HEP/Geant/DetectorConstruction.cpp

@@ -0,0 +1,29 @@
+
+#include "DetectorConstruction.hh"
+
+#include "Core/Object.h"
+#include "Math/ContainerBox.h"
+
+#include "G4Box.hh"
+#include "G4LogicalVolume.hh"
+#include "G4NistManager.hh"
+#include "G4PVPlacement.hh"
+#include "G4RunManager.hh"
+#include "G4SystemOfUnits.hh"
+
+namespace uLib {
+
+DetectorConstruction::DetectorConstruction(const char *name) : G4VUserDetectorConstruction() {}
+
+DetectorConstruction::~DetectorConstruction() {}
+
+G4VPhysicalVolume *DetectorConstruction::Construct() { return nullptr; }
+
+void DetectorConstruction::ConstructSDandField() {}
+
+
+
+
+
+
+}