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June 2009
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2009.06.16 22:18 "Re: Tiff 16 bit and 32 bit images + some more questions about tiff file format", by Toby Thain
On 16-Jun-09, at 5:50 PM, Keshab Neupane wrote: > Hi, > > Bilevel images only need 1 bit per pixel. > Larger values make no sense for bilevel images – I think you have > made a mistake in parsing those files. > > Here, what I get from tiffinfo...please note that these are not > normal tiff images but geotiff images.... > > TIFF Directory at offset 0x8 (8) > Image Width: 2160 Image Length: 900 > Bits/Sample: 16 > Sample Format: unsigned integer > Compression Scheme: None > Photometric Interpretation: min-is-black > Samples/Pixel: 1 > Rows/Strip: 1 > Planar Configuration: single image plane > ==> bps = 16, but bi-level images ?? Why do you say "bilevel"? I think you are supposed to believe bits per sample. --Toby > > > TIFF Directory at offset 0x8 (8) > ...