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Short helpfile for action PROPERTYMAP
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The following arguments are compulsory: 

                 LAMBDA - the lambda parameter is needed for smoothing, is in the 
                          units of plumed 
              REFERENCE - the pdb is needed to provide the various milestones 
               PROPERTY - the property to be used in the indexing: this goes in the 
                          REMARK field of the reference 

In addition you may use the following options: 

  NUMERICAL_DERIVATIVES - ( default=off ) calculate the derivatives for these 
                          quantities numerically 
                  NOPBC - ( default=off ) ignore the periodic boundary conditions 
                          when calculating distances 
             NEIGH_SIZE - size of the neighbor list 
           NEIGH_STRIDE - how often the neighbor list needs to be calculated in time 
                          units 
                EPSILON - (default=-1) the maximum distance between the close and the 
                          current structure, the positive value turn on the close structure 
                          method 
              LOG_CLOSE - (default=0) value 1 enables logging regarding the close 
                          structure 
            DEBUG_CLOSE - (default=0) value 1 enables extensive debugging info 
                          regarding the close structure, the simulation will run much slower 


