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Knowledgebase: MarkLogic Server
Geospatial Cylindrical Queries
23 May 2017 01:40 PM


At the time of this writing (MarkLogic 9), MarkLogic Server cannot perform spherical queries, as the geospatial indexes do not support a true 3D coordinate system.  In situations where cylindrical queries are sufficient, you can create a 2D geospatial index and a separate range index on an altitude value. An "and-query" with these indexes would result in a cylindrical query.


Consider the following sample document structure: