[OS X TeX] Large Figure in Document? (and slow response of TeXShop)

[Bernhard Barkow]

On 22.11.2005, at 12:19, Piet van Oostrum wrote:
>
>> JS> Piet, I saved the figures still into eps format, but  
>> GraphicConverter
>> JS> used JPEG compression to reduce the size. Do you mean that I  
>> should go
>> JS> (original) eps -> PNG -> eps?
>
> The JPEG compression introduces the fuzziness, at least in diagrams  
> with
> sharp lines and edges, unless you set the quality to 100%. With lower
> quality it is more suited for photographic material or similar.
>
>>>>>> Bernhard Barkow <bb at creativeeyes.at> (BB) wrote:
>
>> BB> PNG compression is not supported in EPS format, as far as I  
>> know, but  you
>> BB> can choose "Compression: None" or "RLE" (lossless) in   
>> Graphicconverter
>> BB> (Options... in the Save As-dialog). The file size  will be  
>> significantly
>> BB> larger than with JPEG, but still reasonable, I  assume. Make  
>> sure to first
>> BB> select the appropriate color depth if you  don't need full  
>> color, since
>> BB> this will affect file size in that case  (contrary to using  
>> JPEG) (Menu:
>> BB> Picture / Colors / Grayscale / 4  Grays, for example).
>
> Postscript level 3 has Flate Encoding which is the same compression  
> that PNG
> uses.
>
> Imagemagick's convert command can generate compact eps files from PNG.
> Officially this should be done with the -compress zip option, but I  
> got
> smaller files with -compress LZW, like this:
>
> convert -compress LZW pict.png eps2:pict.eps or
> convert -compress LZW pict.png eps2:pict.eps
> This uses LZW encoding, however, instead of Flate. You need an  
> Imagemagick
> compiled with LZW (this should pose no problems nowadays as the LZW  
> patent
> has expired).
> Also bmeps is said to convert to Flate encoding.
>
> See Compressed Images in PostScript and PDF with LaTeX HOWTO
> <http://wwwstud.rz.uni-leipzig.de/~mai95cfw/compressed-images-in-PS- 
> PDF/article.pdf>
> or
> <http://wwwstud.rz.uni-leipzig.de/~mai95cfw/compressed-images-in-PS- 
> PDF/article.html>

Very interesting links, thanks!

Bernhard

____________________________________________________
_________________________________ Bernhard Barkow __
___________________ gpg key ID _ A89F09C45921020D __




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