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TIF: XNView-Compression: double size as other software

Posted: Fri Oct 20, 2017 7:45 am
by Peter2
I have a TIF, 257 colors, 406 MB uncompressed.

When I use "LZW compression" with

- XNview 2.42, I get a file with 3.6 MB
- another software, I get 1.1 MB file

When I compare both results, they seem to be the same: size, color, DPI, compression, .....

Where is the difference?

Re: TIF: XNView-Compression: double size as other software

Posted: Fri Oct 20, 2017 11:37 am
by xnview
Other software use different Predictor

Re: TIF: XNView-Compression: double size as other software

Posted: Fri Oct 20, 2017 12:36 pm
by Peter2
Thanks Pierre

but for the user, the result - beside the filesize - is the same? DPI, colors, size, quality, ..

Re: TIF: XNView-Compression: double size as other software

Posted: Fri Oct 20, 2017 1:28 pm
by xnview
Peter2 wrote:Thanks Pierre

but for the user, the result - beside the filesize - is the same? DPI, colors, size, quality, ..
yes same image