topic Re: ARCMAP - TRANSFORMATION ACCURACY in Data Management Questions https://community.esri.com/t5/data-management-questions/arcmap-transformation-accuracy/m-p/484857#M27588 <HTML><HEAD></HEAD><BODY><P>The values are an estimate of the output coordinate's accuracy, but anything 1 m or greater is just that--an estimate.&nbsp;</P><P></P><P>Melita</P></BODY></HTML> Wed, 14 Jun 2017 22:15:28 GMT MelitaKennedy 2017-06-14T22:15:28Z ARCMAP - TRANSFORMATION ACCURACY https://community.esri.com/t5/data-management-questions/arcmap-transformation-accuracy/m-p/484856#M27587 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I am using ArcMap 10.4.1, reviewing&nbsp;Datum Transformation Tables.</P><P></P><P>When it is said that accuracy for a given Transformation is 1m or 100m, is this unit of accuracy referring to accuracy along the XYZ axis when computing XYZ or does it mean that the end result XYZ position falls anywhere within a&nbsp;radial area&nbsp;of 1m ?</P></BODY></HTML> Fri, 02 Jun 2017 11:50:50 GMT https://community.esri.com/t5/data-management-questions/arcmap-transformation-accuracy/m-p/484856#M27587 ChuckTurlington 2017-06-02T11:50:50Z Re: ARCMAP - TRANSFORMATION ACCURACY https://community.esri.com/t5/data-management-questions/arcmap-transformation-accuracy/m-p/484857#M27588 <HTML><HEAD></HEAD><BODY><P>The values are an estimate of the output coordinate's accuracy, but anything 1 m or greater is just that--an estimate.&nbsp;</P><P></P><P>Melita</P></BODY></HTML> Wed, 14 Jun 2017 22:15:28 GMT https://community.esri.com/t5/data-management-questions/arcmap-transformation-accuracy/m-p/484857#M27588 MelitaKennedy 2017-06-14T22:15:28Z