Re: resolution of a metapost graphic
Yogeshwarsing Calleecharan <yogeshwarsing.calleecharan <at> ltu.se>
2010-05-06 17:45:15 GMT
Thanks a lot both Troy and Karel. Very interesting to learn today that
eps is resolution independent :). I have to submit pictures to a journal
and it's asking 300 dpi pictures. I thought that this specification
applied to eps files also.
On 5/6/2010 7:39 PM, Troy Henderson wrote:
> As Karel said, the EPS is a vector graphic so in a sense it has no
> native "resolution" per se. The graphic has a natural print size, but
> can be scaled to any size you want without losing quality. The
> "resolution" that you are seeing is the resolution that you get when
> you convert it from vector EPS to a raster format (such as PNG, JPG,
> etc.). ImageMagick works with raster graphics, so in order for it to
> process an EPS, it must first rasterize it and thus choose a
> resolution to use.
> If you do
> convert foo.eps foo.png
> it uses (by default) 72 pixels per inch to convert the vector EPS to
> raster PNG. If this is not sufficient, you can try something like
> convert -density 300 foo.eps foo.png
> This will use 300 pixels per inch (as opposed to the default 72) for
> the conversion, and your resulting PNG will have a larger geometry, a
> larger filesize, and better quality.