On Mon, 17 Aug 2009 21:56:30 +0200
Richard Zillmann <[email protected]> wrote:
| Hello,
|
| I am planning a web site with thousands of music sheets (grayscale).
| To reduce space I tried to make png files with 2 or 4 bits pixel depth.
|
| I experimented a lot with
|
| convert -verbose test.gif -define png:color-type{'3'} -define
| png:bit-depth{'2'} -colors 4 test.png
|
| or also
|
| convert -verbose test.gif -define png:color-type{3} -define
| png:bit-depth{2} -colors 4 test.png
|
| or
|
| convert -verbose test.gif PNG2:test.png
|
| and many other variants.
|
| I succeeded to get 8-bit and one time black-white, but never 2 - or 4 bit.
|
| Reading the according search results in the nabble forum, it seems, that
| this is not supported at all.
|
| I am using ImageMagick 6.5.4-9
|
| Any help would be greatly appreciated
|
| Kind regards and many thanks in advance
|
See the PNG coder controls..
http://www.imagemagick.org/Usage/formats/#png_write
Anthony Thyssen ( System Programmer ) <[email protected]>
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Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/
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