SubfileType Tag = 255 (FF) Type = short N = 1 Indicates the kind of data in the subfile. ----------------------------------------------------------------------------- ImageWidth Tag = 256 (100) Type = short N = 1 The width (x or horizontal) of the image in pixels. ----------------------------------------------------------------------------- ImageLength Tag = 257 (101) Type = short N = 1 The length (y or height or vertical) of the image in pixels. ----------------------------------------------------------------------------- RowsPerStrip Tag = 278 (116) Type = long N = 1 The number of rows per strip. The default is the entire image in one strip. ----------------------------------------------------------------------------- StripOffsets Tag = 273 (111) Type = short or long N = strips per image The byte offset for each strip. ----------------------------------------------------------------------------- StripByteCounts Tag = 279 (117) Type = long N = 1 The number of bytes in each strip. ----------------------------------------------------------------------------- SamplesPerPixel Tag = 277 (115) Type = short N = 1 The number of samples per pixel (1 for monochrome data, 3 for color). ----------------------------------------------------------------------------- BitsPerSample Tag = 258 (102) Type = short N = SamplesPerPixel The number of bits per pixel. 2**BitsPerSample = # of gray levels. -----------------------------------------------------------------------------