topic Re: Datum transformation using 10.1 Geometry service in ArcGIS API for Flex Questions https://community.esri.com/t5/arcgis-api-for-flex-questions/datum-transformation-using-10-1-geometry-service/m-p/506495#M11529 <HTML><HEAD></HEAD><BODY><SPAN>Following this on - many thanks to ESRI support here. The following code can fix this:</SPAN><BR /><BR /><SPAN>var datumTransform: DatumTransform = new DatumTransform();</SPAN><BR /><SPAN>datumTransform.wkid = 1314;</SPAN><BR /><SPAN>datumTransform.wkt = "OSGB_1936_To_WGS_1984_Petroleum";</SPAN><BR /><SPAN>projectParameters.datumTransform = datumTransform;</SPAN><BR /><SPAN>projectParameters.transformForward = false;</SPAN></BODY></HTML> Tue, 14 May 2013 07:44:40 GMT KarlBarker-Ottley 2013-05-14T07:44:40Z Datum transformation using 10.1 Geometry service https://community.esri.com/t5/arcgis-api-for-flex-questions/datum-transformation-using-10-1-geometry-service/m-p/506494#M11528 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I wondering whether anyone can help me apply a data transformation on some co-ordinates?</SPAN><BR /><BR /><SPAN>The input co-ordinate will be in BNG (WKID 27700) but I need to plot it on a service using tiled map services in Web-Mercator (WKID 102100). I use the following transformation in ArcGIS Desktop: OSGB_1936_To_WGS_1984_Petroleum - I understand that datum transformations are possible using the 10.1 Geometry service? I code my applications in Flex, so if anyone can offer some advice or guidance here, it would be appreciated.</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Karl</SPAN></BODY></HTML> Thu, 14 Mar 2013 09:17:32 GMT https://community.esri.com/t5/arcgis-api-for-flex-questions/datum-transformation-using-10-1-geometry-service/m-p/506494#M11528 KarlBarker-Ottley 2013-03-14T09:17:32Z Re: Datum transformation using 10.1 Geometry service https://community.esri.com/t5/arcgis-api-for-flex-questions/datum-transformation-using-10-1-geometry-service/m-p/506495#M11529 <HTML><HEAD></HEAD><BODY><SPAN>Following this on - many thanks to ESRI support here. The following code can fix this:</SPAN><BR /><BR /><SPAN>var datumTransform: DatumTransform = new DatumTransform();</SPAN><BR /><SPAN>datumTransform.wkid = 1314;</SPAN><BR /><SPAN>datumTransform.wkt = "OSGB_1936_To_WGS_1984_Petroleum";</SPAN><BR /><SPAN>projectParameters.datumTransform = datumTransform;</SPAN><BR /><SPAN>projectParameters.transformForward = false;</SPAN></BODY></HTML> Tue, 14 May 2013 07:44:40 GMT https://community.esri.com/t5/arcgis-api-for-flex-questions/datum-transformation-using-10-1-geometry-service/m-p/506495#M11529 KarlBarker-Ottley 2013-05-14T07:44:40Z