LibTiff Mailing List

At 3:35 PM +0000 3/19/05, Charles Auer wrote:
> I need more information about floating point sample format.
>
> Are TIFFTAG_SMINSAMPLEVALUE (340) and TIFFTAG_SMAXSAMPLEVALUE (341) 
> intended for use with floating point samples?
>
> If so, than how do you scale sample values when they are not included?

Those tags aren't supposed to be used for scaling anyway - they're 
only for information.
(see the TIFF spec)

And they should be usable for floating point values, even if not 
spelled out in the original spec.

Chris


AWARE [SYSTEMS]		Imaging expertise for the Delphi developer
		TIFF and LibTiff Mailing List Archive
	LibTiff Mailing List TIFF and LibTiff Mailing List Archive March 2005 Previous Thread Next Thread Previous by Thread Next by Thread Previous by Date Next by Date Contact The TIFF Mailing List Homepage This list is run by Frank Warmerdam Archive maintained by AWare Systems	Thread 2005.03.19 15:35 "Floating Point Sample Format", by Charles Auer 2005.03.19 16:23 "Re: Floating Point Sample Format", by Frank Warmerdam 2005.03.21 19:51 "Re: Floating Point Sample Format", by Chris Cox 2005.03.21 20:56 "Re: Floating Point Sample Format", by Frank Warmerdam 2005.03.21 21:12 "Re: Floating Point Sample Format", by Chris Cox 2005.03.21 23:26 "Re: Floating Point Sample Format", by Joris Van Damme 2005.03.21 19:51 "Re: Floating Point Sample Format", by Chris Cox At 3:35 PM +0000 3/19/05, Charles Auer wrote: > I need more information about floating point sample format. > > Are TIFFTAG_SMINSAMPLEVALUE (340) and TIFFTAG_SMAXSAMPLEVALUE (341) > intended for use with floating point samples? > > If so, than how do you scale sample values when they are not included? Those tags aren't supposed to be used for scaling anyway - they're only for information. (see the TIFF spec) And they should be usable for floating point values, even if not spelled out in the original spec. Chris

LibTiff Mailing List

Thread

2005.03.21 19:51 "Re: Floating Point Sample Format", by Chris Cox