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application schema Geology - Boreholes without information on depth

Johanna Ott
By Johanna Ott Replies (4)

Hello everybody,

We are dealing with data containing Boreholes. There is no information on their depth in the source, so we cannot meaningfully create MappedInterval instances as their "shape" attribute is mandatory and not voidable. There is, however, information in the source data that we would like to map to GeologicEvent instances linked to the Boreholes. In order to create references between the Boreholes and GeologicEvents, a MappedInterval is required.

We have identified three options on how to deal with that:
1) Create a MappedInterval and void the "shape"-attribute illegally
2) Create a MappedInterval and illegally reuse the location (point geometry) of the Borehole for the "shape" attribute
3) Don't create MappedInterval, GeologicUnit and GeologicEvent, which would leave us unable to map the GeologicEvent information that is available in the source data

We would very much prefer a solution that allows us to map the GeologicEvent data. Do you have any recommendations on how to deal with that issue?

All the best


  • Heinz ELFERS

    Hello Johanna,

    Although we are not yet translating our borehole data to the INSPIRE scheme, we will have the same problems. This is, because a lot of boreholes are under protection of private owners and the geological Survey is not allowd to public the present information. In these cases we apply option 3. In the moment we use boreholeML for the publication of our data. How this works, you can see on

    Best regards


  • László SŐRÉS

    By László SŐRÉS

    Dear Johanna,

    I think, option 2 is a good idea. Using the point geometry for MappedInterval and link GeologicUnit and GeologicEvent to the borehole allows the user to extract the maximum amount of available information.

    Best regards,


  • Tilman BROCK-HESSE

    By Tilman BROCK-HESSE

    Dear Johanna,

    could you please describe what solution you used and also what mappingFrame you have set on the MappedInterval instances?

    That would be very interesting to know.


  • Johanna Ott

    Dear Tilman,

    The data provider we are working for decided to use solution 1). It is technically not correct but avoids that misleading/confusing/wrong data is delivered to users.

    The mappingFrame value for our data is


    All the best


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