Raster/Grid TAB

Spectrum Spatial supports raster and grid TAB files as read-only data sources.

Primary Key

This is a row ID similar to native TAB. For more information see Primary Key under native TAB.

MI SQL Optimizations

The raster/grid TAB data source provider contains optimizations for the following MI SQL construct:

For more information see the appendix Delegation to Data Source Providers.


Volatility indicates whether a file can be changed. Spectrum Spatial checks both the raster file and the *.TAB file it references. Spectrum spatial will cache the file handle for Multi-Resolution Raster (MRR) files. For how to clear the cache, see Clearing MRR Cache.