diff -u -r1.10 -r1.11
--- ParticleID.aid	3 Aug 2006 16:53:35 -0000	1.10
+++ ParticleID.aid	30 May 2008 13:23:27 -0000	1.11
@@ -13,7 +13,7 @@

  *  for different hypotheses on the particle type.
  * 
  * @author gaede

- * @version $Id: ParticleID.aid,v 1.10 2006/08/03 16:53:35 gaede Exp $

+ * @version $Id: ParticleID.aid,v 1.11 2008/05/30 13:23:27 gaede Exp $

  * @see ReconstructedParticle.getParticleIDs()
  * @see Cluster.getParticleIDs()
  */

@@ -48,13 +48,14 @@

      */
     public float getLikelihood() const ;	
     

-    /** Type of the algorithm/module that created this hypothesis. 
-     * Check/set collection parameters PIDAlgorithmTypeName and PIDAlgorithmTypeID.

+    /** Type of the algorithm/module that created this hypothesis - NOTE: must be unique within one 
+     *  collection.  
+     *  Check/set collection parameters PIDAlgorithmTypeName and PIDAlgorithmTypeID.

      */
     public  int getAlgorithmType() const ;	
     
     /** Parameters associated with this hypothesis.

-     * Check/set collection paramter PIDParameterNames for decoding the indices.

+     * Check/set collection parameters ParameterNames_PIDAlgorithmTypeName for decoding the indices.

      */
     public const FloatVec& getParameters() const ;
     

diff -u -r1.10 -r1.11
--- ParticleIDImpl.h	4 Aug 2006 16:52:46 -0000	1.10
+++ ParticleIDImpl.h	30 May 2008 13:23:27 -0000	1.11
@@ -23,7 +23,7 @@

  *
  * @see ParticleID
  * @author gaede

- * @version $Id: ParticleIDImpl.h,v 1.10 2006/08/04 16:52:46 gaede Exp $

+ * @version $Id: ParticleIDImpl.h,v 1.11 2008/05/30 13:23:27 gaede Exp $

  */
 
   class ParticleIDImpl : public EVENT::ParticleID, public AccessChecked {

@@ -51,16 +51,21 @@

      */
     virtual float getLikelihood() const ;
 

-    /** Type of the algorithm/module that created this hypothesis. 
-     * Check/set collection parameters PIDAlgorithmTypeName and PIDAlgorithmTypeID.

+    /** Type of the algorithm/module that created this hypothesis - NOTE: must be unique within one 
+     *  collection.  
+     *  Check/set collection parameters PIDAlgorithmTypeName and PIDAlgorithmTypeID.

      */
     virtual  int getAlgorithmType() const ;
 
     /** Parameters associated with this hypothesis.

-     * Check/set collection paramter PIDParameterNames for decoding the indices.

+     * Check/set collection parameter ParameterNames_PIDAlgorithmTypeName for decoding the indices.

      */
     virtual const EVENT::FloatVec & getParameters() const ;
 

+    /**Access to parameters associated with this hypothesis.
+     */
+    virtual EVENT::FloatVec& parameters() ;
+

     // setters
     void setType( int type ) ;
     void setPDG( int pdg ) ;

diff -u -r1.7 -r1.8
--- ParticleIDImpl.cc	15 Apr 2005 08:37:46 -0000	1.7
+++ ParticleIDImpl.cc	30 May 2008 13:23:27 -0000	1.8
@@ -27,6 +27,10 @@

     return _parameters ;
   }
 

+  EVENT::FloatVec& ParticleIDImpl::parameters() {
+    return _parameters ;
+  }
+

   void ParticleIDImpl::setType( int type ){
     checkAccess("ParticleIDImpl::setType") ;
     _type = type ;