Index: fact/tools/rootmacros/Region.h
===================================================================
--- fact/tools/rootmacros/Region.h	(revision 13422)
+++ fact/tools/rootmacros/Region.h	(revision 13423)
@@ -1,14 +1,19 @@
+
 // file: Region.h
+//
+// for details please read fpeakWriteRoot.C
 #ifndef __REGION_H
 #define __REGION_H
 
-	typedef struct
-	{
-		int begin;
-		int maxPos;
-		int end;
-		float maxVal;
-	}
-	Region;
+    typedef struct
+    {
+        int begin;      // left border of search window
+        int maxPos;     // position of Maximum within search window
+        int end;        // right border of search window
+        float maxVal;   // Height of maximum within search window (in mV)
+        int halfRisingEdgePos;
+        float slopeOfRisingEdge;
+    }
+    Region;