From 8d70adba70212555ba9a3a35a9c2765a4c69bd82 Mon Sep 17 00:00:00 2001
From: Pere Mato <Pere.Mato@cern.ch>
Date: Fri, 24 Feb 2012 09:18:56 +0000
Subject: [PATCH] Documented a bit better yesterday's changes
---
CMakeLists.txt | 12 ++++++++----
ReadMe.txt | 8 ++++++++
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f159227a8..5da53d9fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
#---Options-------------------------------------------------------------------------
option(DD4HEP_USE_XERCESC "Enable 'Detector Builders' based on XercesC" OFF)
option(DD4HEP_USE_PYROOT "Enable 'Detector Builders' based on PyROOT" ON)
+option(DD3HEP_WITH_GEANT4 "Enable the simulation part based on Geant4" ON)
find_package(ROOT REQUIRED)
if(DD4HEP_USE_XERCESC)
@@ -14,15 +15,18 @@ endif()
#---Packages------------------------------------------------------------------------
add_subdirectory(DDCore)
-add_subdirectory(DDGeant4)
+if(DD3HEP_WITH_GEANT4)
+ add_subdirectory(DDGeant4)
+endif()
+#---Examples------------------------------------------------------------------------
add_subdirectory(DDExamples/ILDExDet)
add_subdirectory(DDExamples/CLICSiD)
-
add_subdirectory(DDExamples/ILDExDisplay)
add_subdirectory(DDExamples/ILDExReco)
-add_subdirectory(DDExamples/ILDExSimu)
-
+if(DD3HEP_WITH_GEANT4)
+ add_subdirectory(DDExamples/ILDExSimu)
+endif()
#---Configuration-------------------------------------------------------------------
configure_file(cmake/thisdd4hep.csh thisdd4hep.csh @ONLY)
diff --git a/ReadMe.txt b/ReadMe.txt
index b9a30fbc9..cfb0bbc78 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -20,6 +20,14 @@ on the C++ XercesC parser, and another one based on Python and using the PyROOT
DD4HEP_USE_PYROOT:BOOL
DD4HEP_USE_XERCESC:BOOL
+- DDGeant4
+
+ Is the package that contains the conversion of DD4hep geometry into Geant4 geometry to be used for
+simulation. The conversion is currently based on the Virtual Geometry Modeler (VGM) package that is
+build internally when required.
+ The option DD4HEP_WITH_GEANT4:BOOL controls the building or not of this package that has the dependency
+to Geant4. The Geant4 installation needs to be located using the variable -DGeant4_DIR=<G4 installation>
+
- DDExamples
Contains different detector examples (CLICSiD, ILDEx) together with example applications to illustrate
--
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