<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Apr 22, 2010, at 11:13 AM, Thomas Goddard wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi Paul,<br><br> Eric Pettersen, another Chimera developer, I believe tested some different POV-ray settings, and Greg Couch has worked on that code a lot. I don't really know anything about the POV-ray settings because I think I get better results without POV-ray as discussed by Elaine in a previous mailing list message.<br><br><a href="http://www.cgl.ucsf.edu/pipermail/chimera-users/2009-June/004030.html">http://www.cgl.ucsf.edu/pipermail/chimera-users/2009-June/004030.html</a><br><br> I'm sending your POV-ray settings question to the mailing list and perhaps Eric or Greg will have suggestions.<br><br><br><blockquote type="cite">Thanks Tom,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">The mpeg4 movie with qscale 1 looks pretty good. I forgot to mention in<br></blockquote><blockquote type="cite">my first message that I was setting bitrate to 10000, and yet still the<br></blockquote><blockquote type="cite">results were fuzzy around the edges. Seems like variable bitrate is the<br></blockquote><blockquote type="cite">way to go.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Can you give me any advice on antialias method, depth, threshold<br></blockquote><blockquote type="cite">(currently I知 using recursive, 3, 0.3, respectively) or jitter (I知<br></blockquote><blockquote type="cite">using true with an amount of 1.0). I致e read the chimera manual entries<br></blockquote><blockquote type="cite">on the topics but I知 still confused, can稚 see much difference when I<br></blockquote><blockquote type="cite">change variables one at a time. Do you have favorite settings for these<br></blockquote><blockquote type="cite">variables? Time to process, as long as it stays within a week for a 1600<br></blockquote><blockquote type="cite">frame movie is fine, the product will go out as supplemental material<br></blockquote><blockquote type="cite">for a paper, so I知 willing to wait if some change to the settings I知<br></blockquote><blockquote type="cite">using now will make a difference.</blockquote></div></blockquote><br></div><div>Hi Paul,</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>It's been awhile since I fiddled with the POV settings, but I guess I do have two recommendations:</div><div><br></div><div>1) Move the antialias threshold back to at least 0.5 -- and I'd suggest using the default 1.0. In my tests I found no visual difference whatsoever between 0.3 and 0.5 and minimal difference between 0.5 and 1.0, whereas it makes a considerable time difference.</div><div><br></div><div>2) Turn off jitter. As it says in the documentation it looks bad in movies (particularly if you are using text labels).</div><div><br></div><div>--Eric</div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="5" style="font: 16.0px Helvetica"><span class="Apple-converted-space"> <span class="Apple-converted-space"> </span></span>Eric Pettersen</font></p><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="5" style="font: 16.0px Helvetica"><span class="Apple-converted-space"> <span class="Apple-converted-space"> </span></span>UCSF Computer Graphics Lab</font></p><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="5" style="font: 16.0px Helvetica"><span class="Apple-converted-space"> </span><a href="http://www.cgl.ucsf.edu">http://www.cgl.ucsf.edu</a></font></p><br class="Apple-interchange-newline"></div></span> </div><br></body></html>