topic Re: Why must the CRS for a Global Scene in ArcGIS Pro be WGS 1984 Web Mercator? in Coordinate Reference Systems Questions https://community.esri.com/t5/coordinate-reference-systems-questions/why-must-the-crs-for-a-global-scene-in-arcgis-pro/m-p/799279#M755 <HTML><HEAD></HEAD><BODY><P>Hello Simon,</P><P></P><P>The help document should say that GCS WGS 1984 is the only CS option for global scenes. It looks like this is an error in our 2.3 help, but this will be fixed in the update to 2.4.</P><P></P><P>As for support for other planets, extraterrestrial datums are supported for maps and local scenes, but not for global scenes. We are investigating the potential support of other planets in global scenes in a future release.</P><P></P><P>-Charles</P></BODY></HTML> Wed, 29 May 2019 22:57:34 GMT CharlesPreppernau 2019-05-29T22:57:34Z Why must the CRS for a Global Scene in ArcGIS Pro be WGS 1984 Web Mercator? https://community.esri.com/t5/coordinate-reference-systems-questions/why-must-the-crs-for-a-global-scene-in-arcgis-pro/m-p/799278#M754 <HTML><HEAD></HEAD><BODY><P>When working with an ArcGIS Pro&nbsp;2.3 Global Scene the horizontal coordinate system cannot be changed. I found out that the horizontal coordinate system (CRS) "must always be WGS 1984 Web Mercator [I think <A href="https://epsg.io/3857">3857</A>]". It is possible to change coordinate systems for maps and local scenes. <STRONG>Why is it not possible to change the CRS for global scenes?</STRONG> I am exploring options to change a Global Scene so that I might map with a different ellipsoid for example other <A _jive_internal="true" href="https://community.esri.com/groups/coordinate-reference-systems/blog/2017/10/16/planetary-coordinate-reference-systems-the-moon">solar system bodies</A>.</P><P></P><P><A _jive_internal="true" href="https://community.esri.com/discussion/Specify a coordinate system">ESRI Help | Specify a Coordinate System</A>&nbsp;</P></BODY></HTML> Tue, 28 May 2019 12:35:06 GMT https://community.esri.com/t5/coordinate-reference-systems-questions/why-must-the-crs-for-a-global-scene-in-arcgis-pro/m-p/799278#M754 SimonKettle 2019-05-28T12:35:06Z Re: Why must the CRS for a Global Scene in ArcGIS Pro be WGS 1984 Web Mercator? https://community.esri.com/t5/coordinate-reference-systems-questions/why-must-the-crs-for-a-global-scene-in-arcgis-pro/m-p/799279#M755 <HTML><HEAD></HEAD><BODY><P>Hello Simon,</P><P></P><P>The help document should say that GCS WGS 1984 is the only CS option for global scenes. It looks like this is an error in our 2.3 help, but this will be fixed in the update to 2.4.</P><P></P><P>As for support for other planets, extraterrestrial datums are supported for maps and local scenes, but not for global scenes. We are investigating the potential support of other planets in global scenes in a future release.</P><P></P><P>-Charles</P></BODY></HTML> Wed, 29 May 2019 22:57:34 GMT https://community.esri.com/t5/coordinate-reference-systems-questions/why-must-the-crs-for-a-global-scene-in-arcgis-pro/m-p/799279#M755 CharlesPreppernau 2019-05-29T22:57:34Z