🚀 go-pugleaf

I wondered how to convert PS to EPS, so I searched, and searched, ...
Well finally I found "Encapsulated PostScript Files Specification
Version 2.0" from Adobe. The important section was titled
%%BoundingBox: LLx LLy URx URy and here is what it says:

"The values are in the PostScript default user coordinate system, in
points (1/72 of an inch, or 2.835 mm), with the origin at the lower
left corner.  The bounding box must be expressed in default user
coordinate space.  This seems to be a big question among implementors
of this specification.  Regardless of the coordinate system in which
your application operates, here is a foolproof way of determining the
correct boundingbox: PRINT the page, get out a point ruler, and
MEASURE first to the lower left corner, then to the upper right
corner, using the lower-left corner of the physical paper as your
origin.  This works because it measures the end result (the marks on
the page), an none of the computation matters."

So basically, to convert a PS single page image (or any portion of the
page) to EPS, measure the lower-left and upper-right corners of the
portion of the page you want to include in the EPS file.  Add the
comment line %%BoundingBox with the measurements to the file that
produced the image (the old PS file). Next, change the first line to
include the EPS specification (see the FAQ recently posted). You now
have an EPS file. BTW, if you don't have a point ruler, measure in
inches, then divide by 72.

This does work, because I tried it out with the PSfig package for
LaTeX.  It worked on the first go (believe it or not).  I know that
physically measuring the the corners of the image you want to include
in another document is a pain (not to mention low-tech), but what
works is what works.  I have not found a better way (ie high-tech,
automated, etc).  If anyone knows of such a beast, please post.

David A. Tong
dat@sumex-aim.stanford.edu