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Accuracy Of Sdo_Cs.Transform From SRID 81989 To 8307 (Doc ID 1384158.1)

Last updated on JANUARY 03, 2020

Applies to:

Oracle Spatial and Graph - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

A Coordinate Transformation from SRID 81989 to 8307 gives inaccurate results



We get: -.48524373, 51.3426846
Expecting: -.48523482, 51.34273915

We expect those values because:
The Ordnance Survey of Great Britain offers an online system for performing transformation between OSGB36 and WGS84:
http://gps.ordnancesurvey.co.uk/convert.asp as you mentioned

From the website using
Easting: 505601 and Northing: 161495
We get: -0.48523482, 51.34273915

Cause

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In this Document
Symptoms
Cause
Solution


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