<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jun 22, 2009, at 4:26 PM, Kenward Vaughan wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>On Mon, 2009-06-22 at 18:53 -0400, Ibrahim Moustafa wrote:<br><blockquote type="cite">Dear Chimera team,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Recently, I have some trouble saving images with POV-RAY option<br></blockquote><blockquote type="cite">“true”. The process of rendering is too slow (both on the mac and<br></blockquote><blockquote type="cite">windows version).<br></blockquote><blockquote type="cite">To give the feeling of how slow: rendering an image with 1700 lines<br></blockquote><blockquote type="cite">takes 7 hrs (with quality 9 in pov-ray options) and 2 hrs (quality 5).<br></blockquote><blockquote type="cite">I used to get the images rendered much faster than that (with older<br></blockquote><blockquote type="cite">versions; however, I’m not exactly sure of when I started to see such<br></blockquote><blockquote type="cite">a slow rendering behavior).<br></blockquote>...<br><br>I have seen the same behavior. I want to create some images for posters<br>in my lab, but the time has gone up roughly 7 to 10 fold for images at<br>the same settings as before.<br></div></blockquote><div><br></div>As per my recent mail to Ibrahim, try increasing the "Antialias threshold" to 1.0 or even higher.</div><div><br><blockquote type="cite"><div>An additional problem is that 2D label letters are not properly<br>rendered, with the result looking like the letters have lost their tops,<br>being sliced off at a slanting angle. There is scattered "debris" as<br>well in the images.</div></blockquote><br></div><div>I have not seen this behavior. 2D labels look fine in the images I rendered. Does this happen on just one machine? Please use the "Report a Bug" menu item to send in a bug report so that we can find out the details of the system you're using.</div><div><br></div><div>--Eric</div><br><div><div><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 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; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="5" style="font: normal normal normal 16px/normal Helvetica; "> Eric Pettersen</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="5" style="font: normal normal normal 16px/normal Helvetica; "> UCSF Computer Graphics Lab</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="5" style="font: normal normal normal 16px/normal Helvetica; "> <a href="http://www.cgl.ucsf.edu">http://www.cgl.ucsf.edu</a></font></div><br class="Apple-interchange-newline"></div></span></div><br><div></div></div></body></html>