Oracle Spatial Concavehull Function Does Not Work Return The Expected Result
Last updated on FEBRUARY 08, 2017
Applies to:Oracle Spatial - Version: 126.96.36.199
Information in this document applies to any platform.
The result of the SDO_GEOM.SDO_CONCAVEHULL between two polygons is a polygon with a shape not expected.
For example, considering these two geometries
SELECT SDO_GEOM.SDO_CONCAVEHULL( (SELECT SDO_AGGR_UNION(DSYS.SDOAGGRTYPE(A.GEOLOC, 0.005)) FROM TEST_YAPI_FOR_TAR A) , 0.005 ) FROM DUAL;
returns the following geometry
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