Import Geant4 9.1.0 source tree

environments/g4py/examples/gdml/read_gdml.py

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+#!/usr/bin/python
+# ==================================================================
+# An example for reading a GDML file
+#
+# ==================================================================
+from Geant4 import *
+from Geant4.G4gdml import *
+
+import ExN01pl, ParticleGun
+
+# ==================================================================
+# user actions in python
+# ==================================================================
+class MyDetectorConstruction(G4VUserDetectorConstruction):
+  "My Detector Construction"
+
+  def __init__(self):
+    G4VUserDetectorConstruction.__init__(self)
+    self.world= None
+    self.sxp= SAXProcessor()
+    self.config= ProcessingConfigurator()
+
+  # -----------------------------------------------------------------
+  def __del__(self):
+    self.sxp.Finalize()
+    
+  # -----------------------------------------------------------------
+  def Construct(self):
+    self.sxp.Initialize()
+
+    self.config.SetURI("qgeom.gdml")
+    self.config.SetSetupName("Default")
+
+    self.sxp.Configure(self.config)
+    self.sxp.Run()
+
+    self.world= GDMLProcessor.GetInstance().GetWorldVolume()
+
+    return self.world
+
+
+# ==================================================================
+# main
+# ==================================================================
+# set geometry
+myDC= MyDetectorConstruction()
+gRunManager.SetUserInitialization(myDC)
+
+# minimal physics list
+ExN01pl.Construct()
+
+# set primary generator action
+ParticleGun.Construct()
+
+# initialize
+gRunManager.Initialize()
+
+# visualization
+gApplyUICommand("/vis/open OGLIX")
+gApplyUICommand("/vis/scene/create")
+gApplyUICommand("/vis/scene/add/volume")
+gApplyUICommand("/vis/sceneHandler/attach")
+gApplyUICommand("/vis/viewer/set/viewpointThetaPhi 90. -90.")
+