topic Data Driven Pages projection issue in ArcMap 10.0 SP5 in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/data-driven-pages-projection-issue-in-arcmap-10-0/m-p/608507#M27023 <HTML><HEAD></HEAD><BODY><P>Hi there.</P><P></P><P>I cannot find any forum for ArcGIS Desktop so I'm posting in here as I'm not sure where else to post this.</P><P></P><P>I created a data driven page with a Spatial Reference scale field and the extent set to a data driven scale.</P><P></P><P>As soon as I did that the rotation of my map changed. It took some time but eventually after reading the following post: <A href="https://community.esri.com/thread/93421">Data Driven Pages - spatial reference changes mid-way!</A>, I worked out that the projection applied to be data frame had changed from British National Grid to some other projection.</P><P></P><P>Is this a bug that has since been fixed or just a random issue that more than likely only affects my MXD?</P><P></P><P>Kind regards</P><P></P><P>Tim</P></BODY></HTML> Tue, 30 Dec 2014 11:00:22 GMT TimLangner 2014-12-30T11:00:22Z Data Driven Pages projection issue in ArcMap 10.0 SP5 https://community.esri.com/t5/arcgis-pro-questions/data-driven-pages-projection-issue-in-arcmap-10-0/m-p/608507#M27023 <HTML><HEAD></HEAD><BODY><P>Hi there.</P><P></P><P>I cannot find any forum for ArcGIS Desktop so I'm posting in here as I'm not sure where else to post this.</P><P></P><P>I created a data driven page with a Spatial Reference scale field and the extent set to a data driven scale.</P><P></P><P>As soon as I did that the rotation of my map changed. It took some time but eventually after reading the following post: <A href="https://community.esri.com/thread/93421">Data Driven Pages - spatial reference changes mid-way!</A>, I worked out that the projection applied to be data frame had changed from British National Grid to some other projection.</P><P></P><P>Is this a bug that has since been fixed or just a random issue that more than likely only affects my MXD?</P><P></P><P>Kind regards</P><P></P><P>Tim</P></BODY></HTML> Tue, 30 Dec 2014 11:00:22 GMT https://community.esri.com/t5/arcgis-pro-questions/data-driven-pages-projection-issue-in-arcmap-10-0/m-p/608507#M27023 TimLangner 2014-12-30T11:00:22Z Re: Data Driven Pages projection issue in ArcMap 10.0 SP5 https://community.esri.com/t5/arcgis-pro-questions/data-driven-pages-projection-issue-in-arcmap-10-0/m-p/608508#M27024 <HTML><HEAD></HEAD><BODY><P>I've resolved the problem. I had set the Spatial Reference to my scale field, which I shouldn't have done. It then selected a projection. Perhaps the numbers I used referred to a spatial reference id.</P></BODY></HTML> Tue, 30 Dec 2014 11:11:06 GMT https://community.esri.com/t5/arcgis-pro-questions/data-driven-pages-projection-issue-in-arcmap-10-0/m-p/608508#M27024 TimLangner 2014-12-30T11:11:06Z