age rasterfile [box .xleft. .ybottom. .xright. .ytop.]'
</font></PRE>
</TD>
</TR>
</TABLE>
<p>

Read image in Sun rasterfile format.  Image geometry is inferred from
the header, so `<font color="#82140F"><code>.rows.</code></font>' and `<font color="#82140F"><code>.cols</code></font>' parameters are not given.
<p>
<b>PGM images</b>
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
<TR>
<TD>
<PRE>
<font color="#82140F">
`read image pgm [box .xleft. .ybottom. .xright. .ytop.]'
</font></P