Wrong Results Converting OS National Grid Coordinates to Latitude and Longitude (SRID 27700 to 4258) (Doc ID 2015828.1)

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Spatial and Graph - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

After following the steps from the Spatial Developer's Guide to use British Grid Transformation OSTN02/OSGM02:
http://docs.oracle.com/cd/E11882_01/appdev.112/e11830/sdo_cs_concepts.htm#CHDGEDBH

and running the following:

to convert OS National Grid coordinates to latitude and longitude (srid 27700 to 4258), the output shows unexpected results.

Cause

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