JEDMICS C4
From Just Solve the File Format Problem
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Revision as of 10:52, 17 October 2016
JEDMICS C4 is a bi-level raster image file format. It is also known as EDMICS C4 or CALS Raster Type 4.
The name comes from an entity named JEDMICS (Joint Engineering Data Management Information and Control System), which is related in some way to the U.S. Department of Defense.
Contents |
Format
Files have a 128-byte header, followed by a tile index, followed by the pixel data in the form of a set of 512×512-pixel tiles. Each tile is compressed with CCITT Group 4, or is uncompressed.
Identification
Files begin with (hex) bytes 80 00 00 00.
