From 20435ea06654d7c32ca31cc1c55476e50a9646f4 Mon Sep 17 00:00:00 2001
From: Frank Gaede <frank.gaede@desy.de>
Date: Mon, 17 Nov 2014 10:40:34 +0000
Subject: [PATCH] - reverted delete by Markus: we need this application as
it is the main simulation application for LC
---
UtilityApps/CMakeLists.txt | 12 ++++++++
UtilityApps/src/ddsim.cpp | 58 ++++++++++++++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
create mode 100644 UtilityApps/src/ddsim.cpp
diff --git a/UtilityApps/CMakeLists.txt b/UtilityApps/CMakeLists.txt
index 6df69feb0..59ce2f29b 100644
--- a/UtilityApps/CMakeLists.txt
+++ b/UtilityApps/CMakeLists.txt
@@ -21,6 +21,18 @@ target_link_libraries(geoPluginRun DD4hepCore)
add_executable( print_materials src/print_materials.cpp)
target_link_libraries(print_materials DD4hepCore DD4hepRec)
#-----------------------------------------------------------------------------------
+
+if(DD4HEP_USE_GEANT4)
+ include_directories( ${CMAKE_SOURCE_DIR}/DDG4/include )
+
+ add_executable( dd_sim src/ddsim.cpp)
+ target_link_libraries(dd_sim DD4hepCore DD4hepG4)
+ install(TARGETS dd_sim RUNTIME DESTINATION bin )
+endif()
+#-----------------------------------------------------------------------------------
+
+
+
root_generate_dictionary( G__teve src/EvNavHandler.h LINKDEF src/LinkDef.h)
if(DD4HEP_USE_LCIO)
find_package(LCIO REQUIRED)
diff --git a/UtilityApps/src/ddsim.cpp b/UtilityApps/src/ddsim.cpp
new file mode 100644
index 000000000..a1ef98b6e
--- /dev/null
+++ b/UtilityApps/src/ddsim.cpp
@@ -0,0 +1,58 @@
+//====================================================================
+// DDSim - LC simulation based on DD4hep
+//--------------------------------------------------------------------
+// F.Gaede, DESY
+// $Id:$
+//====================================================================
+
+#include "DDG4/Geant4Config.h"
+#include <iostream>
+
+
+using namespace DD4hep::Simulation::Setup;
+
+/** Simple main program to run a simulation with DDG4
+ * Loops over all xml files given on command line:
+ * - first file defines geometry
+ * - subsequent files configure the application
+ */
+
+int main(int argc, char** argv) {
+
+
+ if( argc < 2 ){
+ std::cout << " --- Usage example: \n "
+ << " dd_sim ../ILD/compact/ILD_o1_v05.xml [sensitive_detectors.xml] sequences.xml physics.xml "
+ << std::endl ;
+ exit( 0 ) ;
+ }
+
+
+ DD4hep::Geometry::LCDD& lcdd = DD4hep::Geometry::LCDD::getInstance();
+
+ Kernel& kernel = Kernel::instance(lcdd);
+
+ // first argument: geometry file
+
+ std::string geoFile = "file:" ;
+ geoFile += argv[1] ;
+
+ kernel.loadGeometry( geoFile ) ;
+
+ for( int i=2 ; i < argc ; ++i ) {
+
+ std::cout << " will open xml file " << argv[i] << " and load to kernel ..." << std::endl ;
+
+ kernel.loadXML( argv[i] ) ;
+ }
+
+ kernel.configure();
+ kernel.initialize();
+
+ kernel.run();
+
+
+ std::cout << "Successfully executed application .... " << std::endl;
+
+ kernel.terminate();
+}
--
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