topic Re: Where to find more Coordinate Systems for Download? in Data Management Questions https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83414#M4835 <HTML><HEAD></HEAD><BODY><P>There are an infinite number of coordinate systems that could be added, but only in the context of a finite number of known projections. Only Esri can add to the projection list (at least, if you wanted to deproject from it or project to it), but you could create a new CS string based on a known projection with alternate distance units or a custom prime meridian.</P><P></P><P>Each new release of ArcGIS has a Projection Engine update, so the easiest way to increase the probability of your coordsys being supported is to make sure you're using a recent build of ArcGIS</P><P></P><P>- V</P></BODY></HTML> Fri, 04 Aug 2017 18:24:54 GMT VinceAngelo 2017-08-04T18:24:54Z Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83409#M4830 <HTML><HEAD></HEAD><BODY><P>Essentially, I am lacking a number of coordinate systems necessary for multiple data sets that I am working with. I was wondering if there might be any library or archive online through which you can download more projections and coordinate systems?</P><P>I couldn't find any with Esri.</P><P>I have Arcmap 2.10.2.2 (something like that).coordinate systems data‌</P><P>Any help or suggestions are appreciated!</P><P></P><P>projections‌projections and transformations‌</P><P>spatial</P><P>coordinate-system‌</P><P>datums‌</P></BODY></HTML> Thu, 03 Aug 2017 23:36:50 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83409#M4830 AlexanderBrodylo 2017-08-03T23:36:50Z Re: Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83410#M4831 <HTML><HEAD></HEAD><BODY><P>short of modifying what esri supports maybe you could provide a list of a few in&nbsp; case they have an alternate name..</P><P><A href="https://community.esri.com/people/MKennedy-esristaff">MKennedy-esristaff</A>‌ ... for you</P></BODY></HTML> Fri, 04 Aug 2017 02:08:38 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83410#M4831 DanPatterson_Retired 2017-08-04T02:08:38Z Re: Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83411#M4832 <HTML><HEAD></HEAD><BODY><P>Check this site : <A class="link-titled" href="http://spatialreference.org/ref/" title="http://spatialreference.org/ref/">Spatial Reference List -- Spatial Reference</A></P><P>You can search inside the site and&nbsp;download .prj file .</P></BODY></HTML> Fri, 04 Aug 2017 10:01:04 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83411#M4832 AbdullahAnter 2017-08-04T10:01:04Z Re: Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83412#M4833 <HTML><HEAD></HEAD><BODY><P>Hmm, will try this later after work.</P></BODY></HTML> Fri, 04 Aug 2017 14:18:07 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83412#M4833 AlexanderBrodylo 2017-08-04T14:18:07Z Re: Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83413#M4834 <HTML><HEAD></HEAD><BODY><P>If you have EPSG well-known IDs for the coordinate systems--like 4326 = WGS84--you can type them into the search box.&nbsp;</P><P></P><P>If you have a list, you could post or email me and I can tell if they're available under a different name or in a later release.</P><P></P><P>mkennedy at esri dot com</P></BODY></HTML> Fri, 04 Aug 2017 18:02:18 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83413#M4834 MelitaKennedy 2017-08-04T18:02:18Z Re: Where to find more Coordinate Systems for Download? https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83414#M4835 <HTML><HEAD></HEAD><BODY><P>There are an infinite number of coordinate systems that could be added, but only in the context of a finite number of known projections. Only Esri can add to the projection list (at least, if you wanted to deproject from it or project to it), but you could create a new CS string based on a known projection with alternate distance units or a custom prime meridian.</P><P></P><P>Each new release of ArcGIS has a Projection Engine update, so the easiest way to increase the probability of your coordsys being supported is to make sure you're using a recent build of ArcGIS</P><P></P><P>- V</P></BODY></HTML> Fri, 04 Aug 2017 18:24:54 GMT https://community.esri.com/t5/data-management-questions/where-to-find-more-coordinate-systems-for-download/m-p/83414#M4835 VinceAngelo 2017-08-04T18:24:54Z