Re: filmscanners: tiff compression

2001-09-07 Thread SKID Photography
what do people think about saving my raw scans as LZW tiff's?I am making 48 bit 6x7 scans on Nikon 8000, and they are over 500Mb each, so lossless compression would save a hell of a lot of space, but what are the drawbacks? can most programmes decode them if I send them to people on a CD?Also,

Re: filmscanners: tiff compression

2001-09-07 Thread Ivar Järnefors
LZW is as you say lossless, it is just a more clever way of describing rows of pixels using a surprisingly simple little algorithm. Most GIF-primers for web graphics will tell you exactly what is done. However, I have found that especially in 48 bit mode for some reason I actually get

Re: filmscanners: tiff compression

2001-09-07 Thread Anders Tukler
At 00:02 2001-09-07, you wrote: Hi all, what do people think about saving my raw scans as LZW tiff's? I am making 48 bit 6x7 scans on Nikon 8000, and they are over 500Mb each, so lossless compression would save a hell of a lot of space, but what are the drawbacks? can most programmes decode them

Re: filmscanners: tiff compression

2001-09-07 Thread Tony Sleep
On Fri, 7 Sep 2001 00:02:25 -0700 PAUL GRAHAM ([EMAIL PROTECTED]) wrote: what do people think about saving my raw scans as LZW tiff's? can most programmes decode them if I send them to people on a CD? No problem IME - I always send out TIFFs compressed in PS to clients if supplying on

Re: filmscanners: tiff compression

2001-09-07 Thread Tony Sleep
On Fri, 7 Sep 2001 09:23:34 +1000 Kevin Power ([EMAIL PROTECTED]) wrote: As best I know, because magazines print in four colours they would = require CYMK files not RGB. Opinions differ on this, but IMO it's a bad idea to supply CMYK, since converting to CMYK depends on knowing about the

RE: filmscanners: tiff compression

2001-09-07 Thread shAf
Paul writes ... what do people think about saving my raw scans as LZW tiff's? I am making 48 bit 6x7 scans on Nikon 8000, and they are over 500Mb each, so lossless compression would save a hell of a lot of space, ... The LZW compression will not save you much space because it depends on

Re: filmscanners: tiff compression

2001-09-06 Thread Kevin Power
As best I know, because magazines print in four colours they would require CYMK files not RGB. - Original Message - From: PAUL GRAHAM To: Filmscanners@Halftone. Co. Uk Sent: Friday, September 07, 2001 5:02 PM Subject: filmscanners: tiff compression Hi