<s>
PSfrag	B-Application
is	O
a	O
LaTeX	B-Application
package	O
that	O
allows	O
one	O
to	O
overlay	O
Encapsulated	B-Language
PostScript	I-Language
(	O
EPS	B-Language
)	O
figures	O
with	O
arbitrary	O
LaTeX	B-Application
constructions	O
,	O
properly	O
aligned	O
,	O
scaled	O
,	O
and	O
rotated	O
.	O
</s>
<s>
The	O
user	O
has	O
to	O
place	O
a	O
text	O
tag	O
into	O
the	O
EPS	B-Language
file	I-Language
and	O
the	O
corresponding	O
LaTeX	B-Application
construction	O
into	O
the	O
LaTeX	B-Application
file	O
that	O
will	O
include	O
the	O
EPS	B-Language
file	I-Language
.	O
</s>
<s>
PSfrag	B-Application
will	O
remove	O
the	O
tag	O
and	O
replace	O
it	O
by	O
the	O
specified	O
LaTeX	B-Application
construction	O
.	O
</s>
<s>
The	O
authors	O
of	O
PSfrag	B-Application
are	O
Craig	O
Barratt	O
,	O
Michael	O
Grant	O
and	O
David	O
Carlisle	O
.	O
</s>
<s>
Insert	O
a	O
simple	O
tag	O
into	O
the	O
EPS	B-Language
file	I-Language
.	O
</s>
<s>
Add	O
to	O
the	O
LaTeX	B-Application
document	O
a	O
\psfrag	O
command	O
for	O
replacing	O
the	O
tag	O
as	O
follows	O
.	O
</s>
<s>
Include	O
the	O
EPS	B-Language
file	I-Language
into	O
the	O
LaTeX	B-Application
document	O
using	O
\includegraphics	O
.	O
</s>
<s>
Load	O
psfrag.sty	O
using	O
\usepackage	O
.	O
</s>
<s>
PSfrag	B-Application
is	O
not	O
pdf-compatible	O
,	O
but	O
there	O
exist	O
external	O
solutions	O
,	O
like	O
pstool	O
,	O
pst-pdf	O
or	O
pdfrack	O
.	O
</s>
