WIP: add the real tut_detsim.py.

Examples/options/tut_detsim.py

+#!/usr/bin/env python
+
+from Gaudi.Configuration import *
+
+from Configurables import DetSimSvc
+
+detsimsvc = DetSimSvc("DetSimSvc")
+
+from Configurables import DetSimAlg
+
+detsimalg = DetSimAlg("DetSimAlg")
+
+detsimalg.VisMacs = ["vis.mac"]
+
+detsimalg.RunCmds = [
+    "/tracking/verbose 1",
+]
+
+# ApplicationMgr
+from Configurables import ApplicationMgr
+ApplicationMgr( TopAlg = [detsimalg],
+                EvtSel = 'NONE',
+                EvtMax = 10,
+)