FAQ: Why Do Third-Party Oracle Spatial Feature Classes Draw at Full Extent but Sometimes F

Answer

When this occurs, check for the following:

· Does the table have a spatial index? Spatial queries require a spatial index, and spatial queries are needed for panning and zooming.

· Is the spatial index an R-tree index? The R-tree spatial index should only be used for the first two dimensions(X and Y).Three or four dimensional R-tree indexes do not consistently return all candidate features.

· Does the table contain unsupported geometry types? If so, they will not be drawn by ArcGIS.

· Has the table been correctly registered with a valid row_id column?

· The Oracle Spatial index relies on correct information in the USER_SDO_GEOM_METADATA view to produce a valid Oracle Spatial index for the data. If for any reason the dimension (X, Y, Z or M) information in this view is incorrect, the index may be invalid.

Note:
For further details on the Oracle Spatial index please see the Oracle Spatial User Guide and Reference for the appropriate release.

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Why do third-party Oracle Spatial feature classes draw at full extent but sometimes fail when zoomed or panned?

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