AWARE SYSTEMS
TIFF and LibTiff Mail List Archive

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1994.09.16 05:39 "TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by John M Davison
1994.09.16 07:05 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by Fredrik Lundh
1994.09.16 07:25 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by John M Davison
1994.09.16 08:03 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by Fredrik Lundh
1994.09.16 17:47 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by Sam Leffler
1994.09.16 07:18 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by Karsten Spang
1994.09.16 17:43 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by Sam Leffler

1994.09.16 07:25 "Re: TIFF ReferenceBlackWhite Field Versus Leffler's TIFF Software", by John M Davison

the spec explicitly says that the ReferenceBlackWhite tag is to be used with RGB and YCbCr images only. So if you find this tag in a file, SamplesPerPixel ought to be 3.

Is it so, then, that there can be no extra samples if the ReferenceBlackWhite tag is used? I am skeptical.

--
John Davison
Electronic Mail: davisonj@ecn.purdue.edu
WWW Home Page: <http://en.ecn.purdue.edu:20002/~davisonj/HomePage.html>