|  | RobWorkProject
    23.9.11-
    | 
Euclidean distance metric for vector types. More...
#include <MetricFactory.hpp>
Inherits Metric< T >.
| Protected Member Functions | |
| Metric< T >::scalar_type | doDistance (const typename Metric< T >::value_type &q) const | 
| Metric< T >::scalar_type | doDistance (const typename Metric< T >::value_type &a, const typename Metric< T >::value_type &b) const | 
|  Protected Member Functions inherited from Metric< T > | |
| virtual scalar_type | doDistance (const value_type &q) const =0 | 
| Subclass implementation of the distance() method. | |
| virtual scalar_type | doDistance (const value_type &a, const value_type &b) const =0 | 
| Subclass implementation of the distance() method. | |
| virtual int | doSize () const | 
| Subclass implementation of the size() method.  More... | |
| Metric () | |
| Protected constructor called by subclassed. | |
| Metric (const Metric &) | |
| Disable copying of superclass. | |
| Metric & | operator= (const Metric &) | 
| Disable assignment of superclass. | |
| Additional Inherited Members | |
|  Public Types inherited from Metric< T > | |
| typedef T | value_type | 
| The type of element on which the metric operates. | |
| typedef T::value_type | scalar_type | 
| The type of the scalar. | |
| typedef rw::core::Ptr< Metric< T > > | Ptr | 
| A pointer to a Metric<T>. | |
| typedef rw::core::Ptr< const Metric< T > > | CPtr | 
| A pointer to a const Metric<T>. | |
|  Public Member Functions inherited from Metric< T > | |
| virtual | ~Metric () | 
| Destructor. | |
| scalar_type | distance (const value_type &q) const | 
| The distance from the zero element to q. | |
| scalar_type | distance (const value_type &a, const value_type &b) const | 
| The distance from element a to b.  More... | |
| int | size () const | 
| The dimension of elements on which this metric operates.  More... | |
Euclidean distance metric for vector types.
The distance between two points \( P = (p_1, p_2, ..., p_n) \) and \( Q = (q_1, q_2, ..., q_n) \) is defined as \( \sqrt{\sum_{i=1}^{n}(p_i - q_i)^2} \)