nt color="#82140F"><samp>TMP</samp></font>' (bear in mind that Gri will clip the values to the
range 0 to 1).
<p>
Sometimes you will have a file, say named `<font color="#82140F"><samp>map.dat</samp></font>', with RGB
numbers in the range 0-255, rather than 0-1 as Gri requires.  To read
them, use the operating system to convert the numbers for you
(see <a href="Open.html#Open">Open</a>).
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
<TR>
<TD>
<PRE>
<font color="#82140F">
open "cat 