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Re: [geogig-dev] Question about GeoGig functioalities
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Thanks Sebastian!
I’ll try the way you suggested.
Best,
신상희
---
Shin, Sanghee
Gaia3D, Inc. - The GeoSpatial Company
http://www.gaia3d.com
> 2016. 3. 16., 오후 11:24, Schmidt.Sebastian2@xxxxxx 작성:
>
> Hi and welcome!
>
> Geogig identifies features with an ID, and not about their geometries. When importing you can specify which column to take or let geogig assign a number itself.
> Regarding attribute structure change there is more chance that geogig will be able to handle that - but I didn't try it out yet. Perhaps someone of the core guys can help out?
>
> I fear you need to do some preprocessing before importing into geogig by
> * assigning IDs for objects with the same geometry - you could try to calculate a hash about the WKB or WKT geometry and turn that into an ID column - that should turn identical Geometries into identical IDs.
> * (perhaps) getting all Versions into the same attribute structure.
>
> Once you have that you get great capabilities for detecting changes.
>
> Kind regards,
> Sebastian
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