ArcSDE - Northeast Arc Users Group

ArcSDE Raster DatasetRaster tile• Divide raster into tiles• Each tile stores pixel datafor a band• Tile size defined by user– Specified in pixels– Cannot alter after loading• Data stored in theSDE_BLK table as a BLOB• Sizing Guideline: 128x128• Smaller tiles result insmaller BLOB fields andmore rows in the SDE_BLKtablePixel