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MG3 and MG4 Memory Usage

The following formula describes the approximate amount of memory used by GeoExpress to compress a single image to the MrSID Generation 4 (MG4) or MrSID Generation 3 (MG3) format:

Memory = ((8 + 4 × BlockSize + MIN(StripHeight, BlockSize)) × 4 + StripHeight) × NumBands × Width

The following list describes the variables used by the formula: