Create Replica with Different Output Coordinate System

[mpboyle]

Now that ArcGIS Pro includes some replication tools at version 2.5, I'm wondering if there will be a workflow similar to the one outlined in this technical article for creating replicas in different co...?

Better yet...could the the environment variables arcpy.env.outputCoordinateSystem and arcpy.env.geographicTransformations be used as substitutes for this manual workflow?

We would like to have all (or as much as possible) of our web services in Web Mercator to avoid any type of on-the-fly projection...but the only method I've found for create a child replica in a different coordinate system is the workflow linked above.

[GrantHopkins1]

We will be eventually moving away from 10.9.1 and that is the last release that supports ArcMap, this functionality needs to be included with ArcPro. We need the ability to replicate to a different projection so that our layers are all in Web Mercator and not projecting on the fly. Thank you.

[Robert_LeClair]

@GrantHopkins1  - you can do this in ArcGIS Pro.  One workflow is:

1.  Export the data to the child geodatabase using the Feature Class to Feature Class GP tool and set the Environment Setting option for the tool to reproject the data to Web Mercator and preserve the GlobalIDs.
2.  Create a one-way replica using the existing data option.

[GrantHopkins1]

@Robert_LeClair , thank you for taking the time to suggest this workflow to me; I really appreciate it. I'll give this a shot! ... But I still want my nice wizard brought back, Esri (haha).

Thanks again!

Grant

[brucereagan]

Thanks @Robert_LeClair , this works well.  Anyway to do this to add a feature class to an existing replica?

[Robert_LeClair]

Certainly @brucereagan - I don't think there's an out of the box solution to add a feature class to an existing replica.  Likely you'd need to unregister the replica pairs and rebuild the replica pairs that includes the feature class of interest.

[ChrisRobinsonCOF]

Hi Robert,

Do you know if this workflow could still work?  It seems like some of the tools and options have changed since. For instance, when trying to create a new replica, I don't see an option to use existing data? Has that been removed or am was it renamed to something else?  I am currently at Pro version 3.4.2.

Thank you,

Chris

[Robert_LeClair]

Hi Chris - the functionality you described is still there with ArcGIS Pro.  The reason you do not see it in your screen grab is because for the Output Type, you have "New file geodatabase"  If you change it to Geodatabase or XML file, you'll see the checkbox "register existing data" enabled.  Hope this helps!

[GrantHopkins1]

@Robert_LeClair , I probably should have mentioned that I need to keep the structure of the database consistent as it contains feature datasets and relationship classes. This is the main reason we used that wizard before. Do you have another workflow suggestion that allows for the copying of the data from an enterprise geodatabase to a file geodatabase in a different projection while keeping feature datasets and relationship classes?

Thank you in advance,

Grant

[Robert_LeClair]

@GrantHopkins1 - what you could do is build a model in ModelBuilder that iterates the Feature Class to Geodatabase GP tool and in the Environment Settings for the Model GP tool set the Output Coordinate System and Geographic Transformations to the appropriate values.  Then use the Create Replica GP tool and in the Advanced Settings use a Full Replica Access Type and the Register existing data only checkbox.  This preserve your relationship classes and any geodatabase behaviors in the parent/child replicas.  Let me know if you have any questions!