michael Posted March 21, 2003 Share Posted March 21, 2003 couldn't post to SESI so... I rendered your file Jim, and I get the same results...BUT...I then changed the camera angle rx -13 and the artifacts are gone... btw - anyone know how to change the compression for jpegs saved out of mplay....the pic I posted is crappy... Quote Link to comment Share on other sites More sharing options...
Wolfwood Posted March 22, 2003 Share Posted March 22, 2003 My thought process after reading that message... So moving the camera fixed it? Strange. As to your jpg question have a look at Peter's Variable Quality jpg info. It probably has what you need...and more. jim. Quote Link to comment Share on other sites More sharing options...
Wolfwood Posted March 22, 2003 Share Posted March 22, 2003 For anyone who doesn't know what arctor is talking about. Here is the hipnc. And here is a render with the artifacts. jim. Quote Link to comment Share on other sites More sharing options...
michael Posted March 22, 2003 Author Share Posted March 22, 2003 yeah...it's weird...something funky with the camera...?...or? ah...cool... I don't really need it as I would never render jpgs...but just wanted to convert the picnc to a jpg for the web....normally that's just fine - but since we're talking about render artifacts, adding jpg compression artifacts isn't a great idea... Quote Link to comment Share on other sites More sharing options...
edward Posted March 22, 2003 Share Posted March 22, 2003 From the command line tools in windows or shell in unix: iconvert mypic.pic mypic.jpg quality 100 (substitute 100 for your quality, I use 100 for the best quality, 60 for regular) Quote Link to comment Share on other sites More sharing options...
michael Posted March 22, 2003 Author Share Posted March 22, 2003 always more than one way with Houdini... Quote Link to comment Share on other sites More sharing options...
Mcronin Posted March 22, 2003 Share Posted March 22, 2003 jim, I just rendered your file as posted in 6.0.243 on Linux and I don't seem to be getting those artifacts. I didn't change the camera or any other settings, just opened and rendered with the Fast Mantra ROP. Quote Link to comment Share on other sites More sharing options...
michael Posted March 22, 2003 Author Share Posted March 22, 2003 now we know what the difference between 6.0.242 and 6.0.243 is Quote Link to comment Share on other sites More sharing options...
Mcronin Posted March 22, 2003 Share Posted March 22, 2003 Well, I dunno, here's the result. Maybe I have bad eyesight. Maybe there are traces of those lines, but it's not anything like what Jim posted. Quote Link to comment Share on other sites More sharing options...
michael Posted March 22, 2003 Author Share Posted March 22, 2003 no...I think that one is like mine (without the jpg comp artifacts) there isn't any sign of the lines... Quote Link to comment Share on other sites More sharing options...
Wolfwood Posted March 22, 2003 Share Posted March 22, 2003 Simply because I wanted .243 instead of .242. I installed Slackware 9. My cornell box renders fine, (no lines), under linux (same system). I don't have that annoying mplay freeze problem either. fsck you windows. On a side note concerning Linux. Damn its fast, as far as Houdini is concerned. I'd have to say that Houdini functions more quickly in Linux. And there is nothing better than compiling a kernel to match your exact system. jim. Quote Link to comment Share on other sites More sharing options...
Wolfwood Posted March 22, 2003 Share Posted March 22, 2003 6.0.243 all is good regardless of the camera. 6.0.242 with the default camera in my hipnc, you get lines 6.0.242 move the default cam a tad, and the lines vanish. Anyone on beta wanna check the changelog between 242 and 243? Does anyone else get the lines when using Win2k? jim. Quote Link to comment Share on other sites More sharing options...
Mcronin Posted March 22, 2003 Share Posted March 22, 2003 According to the change log... 6.0.242:Added GI render bug to force more dynamic use of camera and frustrate Wolfwood 6.0.243:Removed GI bug and added 1 to the build number to further frustrate Wolfwood Quote Link to comment Share on other sites More sharing options...
Wolfwood Posted March 22, 2003 Share Posted March 22, 2003 I knew it! Hehe, I rendered out a pullout from the cornell box. And the lines, (while flickering a tad), stayed in the same place. Here is a Divx animation. its 500k. <----- You have to download from the face. or from here if your too scared. jim. Quote Link to comment Share on other sites More sharing options...
AndrewVK Posted March 24, 2003 Share Posted March 24, 2003 The same scene... Ambient Occlusion with Environment Map... On the hole the environment variable acts rather weird... http://odforce.net/forum/index.php?act=ST&...887fa650e315031 This problem still exists Quote Link to comment Share on other sites More sharing options...
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