Change Request
GML Report Print View

From Dataset v11.001 the data model has included the datum.anchor_epoch attribute. Software may drill down to this, hence the information does not need to be carried through a transformation parameter.Open
Change Request Details
Change Id: 2023.047
Report Date: September 12, 2023
Date Closed: November 30, 2023
Reporter: Even Rouault; Spatialys
Request: Add t1 and t2 parameters to Canada vertical offset by velocity grid method.
Comment: From Dataset v11.001 the data model has included the datum.anchor_epoch attribute. Software may drill down to this, hence the information does not need to be carried through a transformation parameter.
Action: For datums 1256 1325 1326, added anchor epoch attribute data. For method 1113, misleading name corrected, formula description amended to clarify required application behaviour should use datum.anchor_epoch attribute; GN7-2 updated.
Tables Affected: Datum; Coordinate Operation Method
Codes Affected: 1256 1325 1326; 1113