org.opengis.coverage.grid.quadrilateral
Interface RectifiableGrid

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All Superinterfaces:

GridPositioning

All Known Subinterfaces:

RectifiedGrid

@Extension
public interface RectifiableGrid
extends GridPositioning

Represents a general coordinate conversion algorithm to be applied to the grid. In the special case where the coordinate conversion is affine, see RectifiedGrid. This class defines the required convertCoordinates and inverseConvertCoordinates methods required by the RectifiableGrid interface and provides access to the MathTransform object associated with the algorithm. Children of this class need only supply the Conversion object (stored in the inherited operation attribute) to produce a functional coordinate conversion object.

Method Summary

DirectPosition	convertCoordinates(GridCoordinates g) Converts grid coordinates through an affine transform to a direct position.
MathTransform	getGridToCRS() This optional attribute is specified on the GridGeometry from the legacy OGC 01-004 specification.
Conversion	getInverseOperation() This inherited attribute shall contain only the Conversion subtype of the CoordinateOperation interface, signifying that RectifiableGrid and children represent only coordinate conversions as defined by ISO 19111.
Conversion	getOperation() This attribute shall contain only the Conversion subtype of the CoordinateOperation interface, signifying that RectifiableGrid and children represent only coordinate conversions as defined by ISO 19111.
GridCoordinates	inverseConvertCoordinates(DirectPosition p) Converts through an affine transform a direct position to the grid coordinates of the nearest grid point.

Methods inherited from interface GridPositioning

getCoordinateReferenceSystem, getGrid

Method Detail

getOperation

@Extension
Conversion getOperation()

This attribute shall contain only the Conversion subtype of the CoordinateOperation interface, signifying that RectifiableGrid and children represent only coordinate conversions as defined by ISO 19111. This attribute shall be identical to the conversion attribute.

Specified by:

getOperation in interface GridPositioning

Returns:

Information about the implemented coordinate operation.

getInverseOperation

@Extension
Conversion getInverseOperation()

This inherited attribute shall contain only the Conversion subtype of the CoordinateOperation interface, signifying that RectifiableGrid and children represent only coordinate conversions as defined by ISO 19111. This attribute shall be identical to the conversion attribute.

Specified by:

getInverseOperation in interface GridPositioning

Returns:

The inverse of GridPositioning.getOperation().

convertCoordinates

@Extension
DirectPosition convertCoordinates(GridCoordinates g)
                                  throws TransformException

Converts grid coordinates through an affine transform to a direct position. This is an adapter method for the MathTransform#transform() method. The MathTransform object used in the conversion is associated with the "conversion" and "operation" attributes.

Throws:

TransformException

inverseConvertCoordinates

@Extension
GridCoordinates inverseConvertCoordinates(DirectPosition p)
                                          throws TransformException

Converts through an affine transform a direct position to the grid coordinates of the nearest grid point. This is an adapter method for the MathTransform#transform() method. The MathTransform object used in the conversion is associated with the "inverseConversion" and "inverseOperation" attributes.

Throws:

TransformException

getGridToCRS

@Extension
MathTransform getGridToCRS()

This optional attribute is specified on the GridGeometry from the legacy OGC 01-004 specification. It is retained here because it allows the user access to a conversion object which yields non-integer results. This property is derived from the MathTransform object associated with the operation and conversion attributes, and is merely a convenience method.