DEFAULT_PCT_REF
Reference to the pseudocolor table (PCT) segment for displaying an image in pseudocolor mode. This entry defaults the image to pseudocolor display mode.
DEFAULT_LUT_REF
Reference to a lookup table (LUT) segment for a default enhancement when displaying an image.
SCALING_MIN
Default value to use as a minimum for scaling an image channel to 8-bit for display purposes.
SCALING_MAX
Default value for maximum scaling in an image channel to 8-bit for display purposes.
NO_DATA_VALUE
Image value indicating no data is available.
ELEVATION_UNITS
May be UNKNOWN (implicit default), FEET, or METRES. Primarily intended for use with elevation channels and should be UNKNOWN for non-elevation data.
Class_n_Name
Short name for a theme class in a raster with 'n' being the class number. Must be less than nine characters.
Class_n_Desc
Longer description for a class in a raster.
Class_n_Color
Color for displaying a particular theme class. Value is the color encoding using the RGB (rrr ggg bbb) convention as seen in the PCLColor class.
ACQUISITION_DATE
Date and time an image was acquired. The date format is YYYY/MM/DD HH:MM:SS.
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