--- trunk/OOPSE/libmdtools/RigidBody.hpp	2004/04/16 02:39:05	1117
+++ trunk/OOPSE/libmdtools/RigidBody.hpp	2004/04/19 03:52:27	1118
@@ -39,6 +39,9 @@ class RigidBody : public StuntDouble { (public)
   void getFrc( double theF[3] );
   void addFrc( double theF[3] );
   void zeroForces();
+  
+  virtual bool isLinear() {return is_linear;}
+  virtual int linearAxis() {return linear_axis;}
 
   double getMass( void ) { return mass; }
 
@@ -83,6 +86,10 @@ class RigidBody : public StuntDouble { (public)
   // utility routines
 
   void findCOM( void );
+
+  virtual void accept(BaseVisitor* v);
+
+  vector<Atom*> getAtoms() { return myAtoms;}
   
 protected:
 
@@ -96,6 +103,10 @@ class RigidBody : public StuntDouble { (public)
   double I[3][3];  // the inertial tensor (body fixed)
   double sU[3][3]; // the standard unit vectors (body fixed)
 
+  bool is_linear;
+  int linear_axis;
+  const static double momIntTol = 1e-6;
+
   vector<Atom*> myAtoms;  // the vector of atoms
   vector<vec3> refCoords;
   vector<mat3x3> refOrients;