GeomConverter/src/org/lcsim/geometry

diff -u -r1.10 -r1.11
--- IDDecoder.java	7 Feb 2006 17:04:43 -0000	1.10
+++ IDDecoder.java	7 Feb 2006 18:46:36 -0000	1.11
@@ -9,6 +9,9 @@

  */
 public interface IDDecoder
 {  

+    /** Constant that flags an invalid index, i.e. for a field that does not exist. */
+    public static final int INVALID_INDEX = -1;
+    

     /* /\/\/\ ID decoding /\/\/\ */
     
     /** Load the decoder with a 64-bit id value from the hit. */

@@ -84,7 +87,7 @@

     BarrelEndcapFlag getBarrelEndcapFlag();
     
     /** Get the system ID, i.e. the "system" field. */

-    //int getSystemID();

+    int getSystemID();

     
     /** Get the Subdetector associated with this IDDecoder, or null if not applicable. */
     public Subdetector getSubdetector();