AWARE SYSTEMS
TIFF and LibTiff Mail List Archive

Thread

2000.03.13 14:11 "TIFF image file size", by Bruce Cameron
2000.03.13 10:46 "Re: TIFF image file size", by Frank Warmerdam
2000.03.13 17:07 "Re: TIFF image file size", by Bruce Cameron
2000.03.13 18:04 "Re: TIFF image file size", by Daniel McCoy
2000.03.28 18:25 "Re: Using 32bit floats within a tiff", by Richard E Nairn

2000.03.28 18:25 "Re: Using 32bit floats within a tiff", by Richard E Nairn

Well, the good news is this that the software I am using it with supports it (mostly cause I am writing some of it...)

On Tue, Mar 28, 2000 at 10:13:32AM -0800, Daniel McCoy wrote: > >I am new at programming with the tiff library. Is there an archive > >available that explains using 32bit reals within tiffs?

>
> The good news is that you just set TIFFTAG_BITSPERSAMPLE to 32

> and TIFFTAG_SAMPLEFORMAT to SAMPLEFORMAT_IEEEFP, and provide the right data, > 0 is black, 1 is white.

>

> The bad news is that few software packages will understand your files > and that none of the compression options will do a very good job

> at reducing your file size.

Dan McCoy      Pixar     mccoy@pixar.com

--
Richard Nairn
Nairn Consulting

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