Add functionality that allows users to define multiple geometries for one feature.
This could be configured within ArcCatalog by creating additional Shape fields on a feature class, and only make one shape field the feature's primary (required) geometry.
Examples of use for this functionality could include:
This is a capability that PostGIS has had for a long time. The ability to configure alternate geometry fields for the same feature class needs to make it into the geodatabase. It must have the capability to automatically update geometries based on changes to one. This might be a primary geometry with a set of secondary or child geometries. We should be able to do this from within standard desktop tools (i.e. we don't have to start building views in the database console).
Edit: I think this is particularly important with the move towards ArcGIS Enterprise/Web GIS and the centralization of data.
Some examples:
1. Maintain geometries in multiple projections with appropriate spatial indexing. One geometry field in a local projection, another in one for publication to web services.
2. Geometries of different types: one geometry is a polygon (eg. a parcel), a second is the centroid.
3. Alternate versions of geometries. A full detail geometry, and another one that has been generalized automatically for display or confidentiality purposes.
4. Combining multiple of these: i.e. a generalized polygon maintained automatically in a web projection for use in services.
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