DatumShift Class

Uses

Description

The DatumShift class represents a transformation that will convert coordinates given in one HorizontalDatum to coordinates in another. There are several types of datum shifts supported by GeoCalcCOM, and they are outlined in the DatumShiftType enumeration.

Public Properties

Property	Description
ClassType	Indicates the type of datum shift represented by this DatumShift
Envelope	The area over which this datum shift is valid
Identifiers	The IdentifierCollection that stores all identifiers for this object
Name	The name of this object
Parameters	Contains parameters used to customize the DatumShift
Remarks	Additional remarks about this object
ReverseUsage	Indicates the direction of this shift
SourceDatum	The HorizontalDatum from which the shift is performed
TargetDatum	The HorizontalDatum to which the shift is performed

Public Methods

Method	Description
Clone	Produces a deep-copy of the current instance
DeepCopy	Produces a deep-copy of a DatumShift
HasIdentifiersIn	Indicates if this object has an identifier that is also present in the specified object
ShiftBack	Converts a point in the TargetDatum to a point in the SourceDatum
ShiftForward	Converts a point in the SourceDatum to a point in the TargetDatum
ValueEquals	Indicates if two DatumShifts have the same value