Changes between Version 3 and Version 4 of Sensors/Eagle


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Timestamp:
Feb 14, 2012, 12:07:20 PM (13 years ago)
Author:
mark1
Comment:

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  • Sensors/Eagle

    v3 v4  
    55== Raw data format ==
    66
    7 The Eagle data is captured as ENVI format BIL files (a pair of .hdr and .raw), with an associated nav file. The .hdr files are ASCII text files where as the .raw and .nav are binary data files.
     7The Eagle data is captured as ENVI format BIL files (a pair of .hdr and .raw), with an associated nav file (usually one nav file per project). The .hdr files are ASCII text files where as the .raw and .nav are binary data files.
    88
    99The Eagle .raw data files contain 12-bit data (values of 0-4095) stored as 16-bit integer. The first pixel of the first band of each raw file is the frame counter pixel, which is essentially a frame id tag that increments by 1 through out the file. At the end of the raw file, after data capture for this flight line, a number of lines of data are captured with the shutter closed. These lines are referred to as "dark lines" and give sensor ccd values for when no light is present.