Package org.robwork.sdurw_math
Class MetricVector2D
- java.lang.Object
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- org.robwork.sdurw_math.MetricVector2D
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- Direct Known Subclasses:
EuclideanMetricVector2D,InfinityMetricVector2D,ManhattanMetricVector2D,WeightedEuclideanMetricVector2D,WeightedInfinityMetricVector2D,WeightedManhattenMetricVector2D
public class MetricVector2D extends java.lang.ObjectTemplate interface for metrics on type T.
A metric is a function that defines a scalar distance between elements.
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Constructor Summary
Constructors Constructor Description MetricVector2D(long cPtr, boolean cMemoryOwn)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description voiddelete()doubledistance(Vector2D q)The distance from the zero element to qdoubledistance(Vector2D a, Vector2D b)The distance from element a to b.static longgetCPtr(MetricVector2D obj)intsize()The dimension of elements on which this metric operates.
The returns -1 if the elements don't have a measure of dimension or
if the metric works for elements of all dimensions.
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Method Detail
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getCPtr
public static long getCPtr(MetricVector2D obj)
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delete
public void delete()
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distance
public double distance(Vector2D q)
The distance from the zero element to q
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distance
public double distance(Vector2D a, Vector2D b)
The distance from element a to b.- Parameters:
a- [in] first elementb- [in] second element- Returns:
- the distance
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size
public int size()
The dimension of elements on which this metric operates.
The returns -1 if the elements don't have a measure of dimension or
if the metric works for elements of all dimensions.
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