performance specification digital terrain elevation data
performance specification digital terrain elevation data
performance specification digital terrain elevation data
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MIL-PRF-89020BTable V. TCD_DTED128 CD-ROMFile Structure Diagram - DTED Level 1 Example3.11.4 The .avg, .min and .max Data Record Characteristics. All<strong>elevation</strong> values are Motorola format binary integers, right justified, 16 bits(2 bytes) and similar to the DTED Level 1 and 2 layout. A count of 121 is forcomplete DTED Level 0 cells between latitudes of 50 ° S and 50° N (See Table1). The average, minimum and maximum values are referenced to the centrallocation of the DTED Level 1 (30" x 30") subcell so that a direct comparisoncan be made back to the DTED Level 0 <strong>data</strong>.3.11.4.1 The .avg, .min, and .max <strong>data</strong> values. The algorithmcalculates the .min (minimum), .max (maximum) and average value for the entiresubcell (including the <strong>elevation</strong> values contained in the adjacent rows andcolumns of adjacent subcells).16
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