Frequently asked question

Why does my Oracle Spatial table auto-register without errors, but it doesn't show up in the preview pane of ArcCatalog?

Answer

Most likely the extents defined in the metadata for the table are wrong somewhere. Check USER_SDO_GEOM_METADATA and SDE.SPATIAL_REFERENCES, and the real extent of the features in the table. Here is an example of checking the extent of the features in an Oracle Spatial table called POINT with a geometry column called SHAPE.

SQL> select mdsys.sdo_tune.extent_of('POINT','SHAPE') from dual;

MDSYS.SDO_TUNE.EXTENT_OF('POINT','SHAPE')(SDO_GTYPE, SDO_SRID, SDO_POINT(X,
---------------------------------------------------------------------------
SDO_GEOMETRY(2003, NULL, NULL, SDO_ELEM_INFO_ARRAY(1, 1003, 3), SDO_ORDINATE_ARRAY(1, 1, 2, 2))

The extent is returned as an optimized rectangle. This example indicates that the extent of the features lies within a rectangle with a lower left corner of (1,1) and an upper right corner of (2,2).

Article ID:000004358

Software:
  • Legacy Products

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