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@UML(identifier="CV_DiscreteGridPointCoverage", specification=ISO_19123) public interface DiscreteGridPointCoverage
A discrete coverage with a domain defined as a set of grid points that are associated with records of feature attribute values through a grid values matrix.
DiscreteGridPointCoverage
inherits the elements and the
operations locate, find, and
list, from DiscreteCoverage
, with the restriction that the
associated geometry-value pairs and those returned by the
operations shall be limited to
(grid point)-value pairs. The
elements may be generated from the
grid values matrix through the
value assignment. The inherited operations
evaluate and
evaluateInverse use
grid values matrix to assign values to the
geometry value pairs.
DomainObject
to GridPoint
as well? It sound like
a logical consequence of GridPointValuePair
restriction., Should we move this interface to org.opengis.coverage.grid as all the other grid interfaces,
or should it remain in org.opengis.coverage to follow the ordering in ISO19123.Method Summary | |
---|---|
Set<GridPoint> |
evaluateInverse(Object v)
Returns a set of grid points for the specified record of feature attribute values. |
List<GridPointValuePair> |
find(DirectPosition p,
int limit)
Returns the sequence of point-value pairs that include the domain objects nearest to the direct position and their distances from the direction position. |
Set<GridPointValuePair> |
getElements()
Returns the set of point-value pairs included in this coverage. |
GridValuesMatrix |
getValueAssignment()
Links this discrete grid point coverage to the grid values matrix for which it is an evaluator. |
Set<GridPointValuePair> |
list()
Returns the dictionary of point-value pairs that contain the objects in the domain of the coverage each paired with its record of feature attribute values. |
Set<GridPointValuePair> |
locate(DirectPosition p)
Returns the set of point-value pairs that include the domain objects containing the specified direct position. |
GridPointValuePair |
point(GridCoordinates g)
Uses data from the associated grid values matrix to construct and return the grid point value pair associated with the specified grid position. |
Set<GridPointValuePair> |
select(Geometry s)
Returns the set of point-value pairs that contain domain objects that lie within the specified geometry and period. |
Methods inherited from interface DiscreteCoverage |
---|
evaluate |
Method Detail |
---|
@UML(identifier="element", obligation=OPTIONAL, specification=ISO_19123) Set<GridPointValuePair> getElements()
getElements
in interface DiscreteCoverage
@UML(identifier="valueAssignment", obligation=MANDATORY, specification=ISO_19123) GridValuesMatrix getValueAssignment()
@UML(identifier="locate", obligation=OPTIONAL, specification=ISO_19123) Set<GridPointValuePair> locate(DirectPosition p)
locate
in interface DiscreteCoverage
@UML(identifier="list", obligation=MANDATORY, specification=ISO_19123) Set<GridPointValuePair> list()
list
in interface Coverage
@UML(identifier="select", obligation=MANDATORY, specification=ISO_19123) Set<GridPointValuePair> select(Geometry s)
s
is null, the operation shall return all point-value
pairs that contain domain objects within t
. If the value
of t
is null, the operation shall return all point-value
pair that contain domain objects within s
.
@UML(identifier="find", obligation=MANDATORY, specification=ISO_19123) List<GridPointValuePair> find(DirectPosition p, int limit)
limit
.
The default shall be to return a single point-value pair. The operation
shall return a warning if the last domain object in the sequence is at
a distance from the direct position equal to the distance of other
domain objects that are not included in the sequence.
find
in interface Coverage
@UML(identifier="point", obligation=MANDATORY, specification=ISO_19123) GridPointValuePair point(GridCoordinates g)
@UML(identifier="evaluateInverse", obligation=MANDATORY, specification=ISO_19123) Set<GridPoint> evaluateInverse(Object v)
evaluateInverse
in interface DiscreteCoverage
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