From 8974b5f3524c5326cdb67975e1ecaf4ed318ddbd Mon Sep 17 00:00:00 2001
From: Frank Gaede <frank.gaede@desy.de>
Date: Thu, 15 Dec 2016 18:18:54 +0100
Subject: [PATCH] add doc and prev/nextLaye to NeighbourSurfacesStruct
---
DDRec/include/DDRec/DetectorData.h | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/DDRec/include/DDRec/DetectorData.h b/DDRec/include/DDRec/DetectorData.h
index ca3c372ed..3e507cf38 100644
--- a/DDRec/include/DDRec/DetectorData.h
+++ b/DDRec/include/DDRec/DetectorData.h
@@ -447,12 +447,26 @@ namespace DD4hep {
std::ostream& operator<<( std::ostream& io , const LayeredCalorimeterData& d ) ;
- /** holds maps of nearest neighbour surfaces in the same and next (inner/outer ?) layer
- * of a tracking detector...
+
+
+ /** Simple data strucuture that holds maps of ids of the nearest neighbour surfaces in the same, next and previous layers
+ * of a tracking detector. Could be used as extension object for tracking DetectorElements and used in
+ * pattern recognition. The exact details of the neighbouring criteria depend on the algorithm that is used.
+ *
+ * @author F.Gaede, DESY, R. Simoniello, CERN
+ * @date Dec, 15 2016
*/
struct NeighbourSurfacesStruct {
+
+ /// map of all neighbours in the same layer
std::map<DD4hep::long64 , std::vector<DD4hep::long64 > > sameLayer ;
- /* std::map<DD4hep::long64 , std::vector<DD4hep::long64 > > nextLayer ; */
+
+ /// map of all neighbours in the previous layer
+ std::map<DD4hep::long64 , std::vector<DD4hep::long64 > > prevLayer ;
+
+ /// map of all neighbours in the next layer
+ std::map<DD4hep::long64 , std::vector<DD4hep::long64 > > nextLayer ;
+
} ;
typedef StructExtension<NeighbourSurfacesStruct> NeighbourSurfacesData ;
--
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