ge files.  When debugging, these
intermediate files provide many clues as to the source of an error.
See <a href="ppmshadow.html#files">below</a> for a list of the contents of each file.

<DT><B>-t</B>
<DD>
Consider the non-background material in the image translucent -- it
casts shadows of its own color rather than a black shadow, which is
default.  This often results in fuzzy, difficult-to-read images but in
some circumstances may look better.

<DT><B>-x</B><I> xoffset</I>

<DD>Specifies the displacement 