Arcgis10.7.1 is normal, and the seven parameters of the conversion are set well. The conversion is normal in ArcGIS. However, when using the ESRIReprojector converter, the source and destination coordinate systems are selected, but the 'geographic conversion' parameters are not automatically generated and optional
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Hi @houxianyong ,
Since FME 2012, the Esri has had the ability to
1) Allow ESRI reprojection to use user supplied WKT transformations
2) Allow ESRIReprojector to use custom transformation
As you've noted, these are option and not automatically chosen because some reprojections have transformations available. There is more info that might help to explain the how FME interacts with ESRI coordinate systems.
Why can ArcGIS 10.1 and fme2018 display "geographic transformation" automatically before, but now ArcGIS 10.7.1 and fme2020 can't
How to use custom transformation files (*.gtf files) .I had put it to \\FME\\Reproject\\EsriPEGridData dir,but "geographic transformation" is blank.
Ah I see what you mean @houxianyong. Our team actually resolved an issue for this recently in FME 2020.1 build 20582. Can you upgrade either the most recent build or the any past build newer than 20582?
Thanks,I have done the experiment。