topic Does ArcGIS.com apply a default geographic coordinate system transformation? in ArcGIS Online Questions https://community.esri.com/t5/arcgis-online-questions/does-arcgis-com-apply-a-default-geographic/m-p/94526#M4568 <HTML><HEAD></HEAD><BODY><P>I have two (2) identical feature classes, one is in <STRONG>NAD_1983_StatePlane_New_York_West_FIPS_3103_Feet</STRONG> and one in <STRONG>GCS_WGS_1984</STRONG>.&nbsp; In ArcMap desktop with <STRONG>NO</STRONG> geographic coordinate system transformation assigned to my .MXD, the points line up perfectly on top of each other.&nbsp; When I publish the two (2) feature classes up to ArcGIS.com there is a three foot shift between all of the points.&nbsp; I can replicate the ArcGIS.com shift I am seeing in desktop by assigning the <STRONG>NAD_1983_To_WGS_1984_5 </STRONG>geographic coordinate system transformation.</P><P></P><P>So my question:&nbsp; Does ArcGIS.com automatically apply the <STRONG>NAD_1983_To_WGS_1984_5 </STRONG>geographic coordinate system transformation when you publish a feature class that starts in <STRONG>NAD_1983?</STRONG></P></BODY></HTML> Mon, 28 Mar 2016 20:59:59 GMT DanAllen 2016-03-28T20:59:59Z Does ArcGIS.com apply a default geographic coordinate system transformation? https://community.esri.com/t5/arcgis-online-questions/does-arcgis-com-apply-a-default-geographic/m-p/94526#M4568 <HTML><HEAD></HEAD><BODY><P>I have two (2) identical feature classes, one is in <STRONG>NAD_1983_StatePlane_New_York_West_FIPS_3103_Feet</STRONG> and one in <STRONG>GCS_WGS_1984</STRONG>.&nbsp; In ArcMap desktop with <STRONG>NO</STRONG> geographic coordinate system transformation assigned to my .MXD, the points line up perfectly on top of each other.&nbsp; When I publish the two (2) feature classes up to ArcGIS.com there is a three foot shift between all of the points.&nbsp; I can replicate the ArcGIS.com shift I am seeing in desktop by assigning the <STRONG>NAD_1983_To_WGS_1984_5 </STRONG>geographic coordinate system transformation.</P><P></P><P>So my question:&nbsp; Does ArcGIS.com automatically apply the <STRONG>NAD_1983_To_WGS_1984_5 </STRONG>geographic coordinate system transformation when you publish a feature class that starts in <STRONG>NAD_1983?</STRONG></P></BODY></HTML> Mon, 28 Mar 2016 20:59:59 GMT https://community.esri.com/t5/arcgis-online-questions/does-arcgis-com-apply-a-default-geographic/m-p/94526#M4568 DanAllen 2016-03-28T20:59:59Z