nelpiper Posted October 15, 2008 Share Posted October 15, 2008 Hi guys. I'm using MAX 2009 and vray 1.5 sp2 x64. I'm trying to use motion blur but the vrayphysicalcamera returns a black screen with nothing on it. Does anyone have the same problem? Any fixes? Thanks. Link to comment Share on other sites More sharing options...
JonRashid Posted October 15, 2008 Share Posted October 15, 2008 turn exposure off on camera Link to comment Share on other sites More sharing options...
nelpiper Posted October 16, 2008 Author Share Posted October 16, 2008 Exposure is not the problem. When rendering with all default options and motion blur off, everything is fine. As soon as I tick the option for motion blur on the camera rollout, the scene turns black on me. Any ideas? Thanks. Link to comment Share on other sites More sharing options...
J_Walker Posted October 23, 2008 Share Posted October 23, 2008 (edited) I am having this EXACT same problem. Everything renders fine, until checking motion blur on the physicalcam, then it's just a black image that renders really fast. Has anybody found a solution? Is it something with the geometry or materials possibly? One thing to note is that motion blur works when done with a standard max camera using the motion blur setting in the vray render settings box. Edited October 23, 2008 by J_Walker Link to comment Share on other sites More sharing options...
Ricardo Eloy Posted October 24, 2008 Share Posted October 24, 2008 Just ran into the same problem here. Funny thing is that it used to work with SP1 and Max 2008. Tried changing PFlow's settings, camera settings, nothing works. Just to illustrate, this is the kind of thing that returns black once you turn MBlur on. Bug, maybe? Link to comment Share on other sites More sharing options...
Tommy L Posted October 24, 2008 Share Posted October 24, 2008 Are all of you above guys using particles when experiencing this problem? Ive heard there is an issue with Vray and particles ad MB. In particular, if the number of particles changes from frame to frame. Or is it number of vertices, I cant remember. Whichever, it has to remain constant. Something to do with vertices ID numbers. Link to comment Share on other sites More sharing options...
Ricardo Eloy Posted October 24, 2008 Share Posted October 24, 2008 Funny thing is that the same scene rendered fine in Max2008/1.5SP1. Just doesn't make sense. Link to comment Share on other sites More sharing options...
J_Walker Posted October 28, 2008 Share Posted October 28, 2008 Are all of you above guys using particles when experiencing this problem? Ive heard there is an issue with Vray and particles ad MB. In particular, if the number of particles changes from frame to frame. Or is it number of vertices, I cant remember. Whichever, it has to remain constant. Something to do with vertices ID numbers. No, no particles here. In fact, I can take a blank/fresh scene, add a box primitive, create a basic animation of it moving across the screen, use default lights, and it still renders black when ticking motion blur on the camera. It doesn't seem to have anything to do with the scene. Link to comment Share on other sites More sharing options...
Tommy L Posted October 28, 2008 Share Posted October 28, 2008 Id post this on the chaos group forum, I think you'll get a more informed response. Link to comment Share on other sites More sharing options...
rmccoy Posted October 29, 2008 Share Posted October 29, 2008 I was running into this problem last night when working on the winter scene tutorial they posted here. I ended up leaving motion blur unchecked in the rendering dialog box and on the vray physical camera. I added motion blur in the effects settings. I also could not use the v-ray frame buffer. it was really frustrating but it finally worked. This was using particles also. maybe try this? Link to comment Share on other sites More sharing options...
J_Walker Posted October 31, 2008 Share Posted October 31, 2008 Can't seem to get quality results with that method compared to Vray's motion blur. I have the same scene setup in Mental Ray, which is probably what i'll end up using, even though the render time is much longer. Link to comment Share on other sites More sharing options...
gjwegner Posted December 8, 2008 Share Posted December 8, 2008 has anyone figured this out yet? I have the same problem. I have tried using a regular target camera with the vray motion blur but i get funny artifacts. Link to comment Share on other sites More sharing options...
kid84 Posted November 23, 2009 Share Posted November 23, 2009 hmmm... i know this has been a very old dead topic. but i hav the exact same problem like these people now. so anyone has any solution for this?? Link to comment Share on other sites More sharing options...
surfen281 Posted February 11, 2010 Share Posted February 11, 2010 same problem here... MAX2009 32 bit / Vray 1.5 Sp2 Link to comment Share on other sites More sharing options...
finding3d Posted February 23, 2011 Share Posted February 23, 2011 V- ray has to find the solution for this, because i waste my hours with this. Without working the motion blur why they had give that option. ? Link to comment Share on other sites More sharing options...
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