Search found 2 matches

by fedetxf
2013-09-21T21:21:54-07:00
Forum: Developers
Topic: Incorrect png -quality 9 setting gives the best compression
Replies: 5
Views: 30674

Re: Incorrect png -quality 9 setting gives the best compress

Thanks. Now I have this bug in my version.
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=22119
I'll have to upgrade. But no problem, I can use -quality 9.

I wonder if the docs should reflect you don't need 2 digits in the quality setting or maybe that is an unintended result when ...
by fedetxf
2013-09-21T16:02:53-07:00
Forum: Developers
Topic: Incorrect png -quality 9 setting gives the best compression
Replies: 5
Views: 30674

Incorrect png -quality 9 setting gives the best compression

If I use -quality 9 I get extraordinary compression but the docs don't specify what is mogrify's behaviour with such input value so I don't know if I'm getting a valid result.
I have 26 TIFF images for testing, some 8 bit greyscale, some 24 bit color.

If I compress using the default quality (which ...