[OS X TeX] converting jpg to eps

Bruno Voisin bvoisin at mac.com
Tue Mar 7 12:28:00 EST 2006

Le 7 mars 06 à 17:36, Peter Dyballa a écrit :

> Am 07.03.2006 um 14:50 schrieb Arthur Snoke:
>> When I did a "man convert" I was referred to web sites, but none  
>> mention eps2.  My version seems to be 6.2.5 (or whatever i- 
>> installer did last month).  I would appreciate more knowledge  
>> about what eps2 does.
> Probably in /usr/local/share/doc/ImageMagick-6.2.5/www you can find  
> convert.html which will explain everything.

Only place where I found eps2 is <file:///usr/local/share/doc/ 
ImageMagick-6.2.6/www/formats.html>, but it doesn't say much more as  
telling that's PostScript Level 2.

As to the syntax eps2:filename.eps to specify the output file  
filename.eps must be in eps2 format whatever the extension, I  
couldn't find any clear explanation of it. The closer to an  
explanation is, in <file:///usr/local/share/doc/ImageMagick-6.2.6/www/ 

> Explicit Image Format
> Images can be stored in a mryiad of image formats including the  
> better known JPEG, PNG, TIFF and others. ImageMagick must know the  
> desired format of the image before it is written. ImageMagick  
> leverages the filename extension to determine the format. For  
> example, image.jpg tells ImageMagick to write the image in the JPEG  
> format. In some cases the filename does not identify the image  
> format. In these cases, the image is written in the format it was  
> originally read unless an explicit image format is specified. For  
> example, suppose we want to write our image to a filename of image  
> in the raw red, green, and blue intensity format:
>   convert image.jpg rgb:image

and in <file:///usr/local/share/doc/ImageMagick-6.2.6/www/command- 

> ps:imagemask
>     If the ps:imagemask flag is defined, the PS3 and EPS3 coders will
>     create Postscript files that render bilevel images with the  
> Postscript
>     imagemask operator instead of the image operator.
> For example, to create a postscript file that will render only the  
> black pixels of a bilevel image, use:
>     convert bilevel.tif -define ps:imagemask eps3:stencil.ps

but I wouldn't call that explicit.

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