OSID - osid.mapping.Heading Service Interface Definition

Interface	osid.mapping.Heading
Implements	`osid.OsidPrimitive`
Used By	`osid.Metadata`
	`osid.configuration.Value`
	`osid.mapping.path.ResourceVelocity`
	`osid.search.terms.HeadingRangeTerm`
	`osid.search.terms.HeadingTerm`
Description	A heading represents a direction.
Method	getHeadingType
Description	Gets the `Type` of this `Heading` which indicates the format of the heading values.
Return	`osid.type.Type`	the coordinate type
Compliance	`mandatory`	This method must be implemented.
Method	getDimensions
Description	Gets the number of dimensions of motion.
Return	`cardinal`	the number of dimensions
Compliance	`mandatory`	This method must be implemented.
Method	getValues
Description	Gets the values of this heading The size of the returned array is typically one less than `getDimensions()`.
Return	`decimal[]`	the heading values
Compliance	`mandatory`	This method must be implemented.
Method	definesUncertainty
Description	Tests if uncertainty is defined for this heading.
Return	`boolean`	`true` if uncertainty is defined, `false` otherwise
Compliance	`mandatory`	This method must be implemented.
Method	getUncertaintyMinus
Description	Gets the uncertainty in the negtive direction for each value of this heading. The size of the returned array is typically one less than `getDimensions()`.
Return	`decimal[]`	the negative uncertainty values
Compliance	`mandatory`	This method must be implemented.
Method	getUncertaintyPlus
Description	Gets the uncertainty in the positive direction for each value of this heading. The size of the returned array is typically one less than `getDimensions()`.
Return	`decimal[]`	the positive uncertainty values
Compliance	`mandatory`	This method must be implemented.