<p>Hi.  Miss me?  So, for the last week or so I have been struggling to understand some screwy results I&#8217;ve been getting with <a href="http://floyd.lbl.gov/radiance/">Radiance</a>, using the trans material to emulate some sun control shades.  After a <a href="http://www.radiance-online.org/pipermail/radiance-general/2003-May/000732.html">flurry of emails</a> today from the very talented membership of the <a href="http://www.radiance-online.org/">radiance-online.org mailing list</a>, I think I have been shown the light.  Specifically, I wanted to post a link to this <a href="http://www.schorsch.com/rayfront/manual/transdef.html">very useful flowchart</a> that illustrates the way all the trans parameters are interrelated (scroll down a bit for the image).  Thanks, <a href="http://www.schorsch.com">Schorsch</a>.</p>