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  1. #1
    CG Cars Junior Member
    Autodesk 3D Studio Max Chaosgroup V-Ray
    Status : Online
    Join Date: Oct 2010
    Location: Lisbon, Portugal
    Posts: 265

    VRay RT doesn't start

    Hi guys,

    So i'm trying to launch vray RT 2.0 and it does nothing. Just waits for a render request even though i've sent it already. This in a 10mil poly scene. I thought it had something to do with the polycount but i've tried in a very simple scene and the same happens. Any ideas?
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  2. #2
    CG Cars Member
    Autodesk 3D Studio Max Rhinoceros Chaosgroup V-Ray
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    Join Date: Oct 2005
    Posts: 2,425
    IMO, more like memory issues....What's your OS platform? 32 or 64 bit? Beside RT, does it cause memory error at normal render?
    Finished Work - Aston Martn DBS


  3. #3
    CG Cars Junior Member
    Autodesk 3D Studio Max Chaosgroup V-Ray
    Status : Online
    Join Date: Oct 2010
    Location: Lisbon, Portugal
    Posts: 265
    I have Win7 64bits, 12gb ddr3, i7 930, HD 5770 1gb DDR5. Never cause memory errors in normal render...


  4. #4
    CG Cars Member
    Autodesk 3D Studio Max Rhinoceros Chaosgroup V-Ray
    Status : Offline
    Join Date: Oct 2005
    Posts: 2,425
    Okay, Memory issue opts out.. It could be your Vid Card GPU issues. For a test, hide whole object and create teapot. Let see if Teapot will show up on RT Screen. Oh make sure you have scene lights turned on ;P
    Finished Work - Aston Martn DBS


  5. #5
    CG Cars Junior Member
    Autodesk 3D Studio Max Chaosgroup V-Ray
    Status : Online
    Join Date: Oct 2010
    Location: Lisbon, Portugal
    Posts: 265
    I've tried that, nothing works. It's not a light issue or object issue. It simply doesn't start the realtime process, as if something was blocking it from starting.


  6. #6
    CG Cars Member
    Autodesk 3D Studio Max Rhinoceros Chaosgroup V-Ray
    Status : Offline
    Join Date: Oct 2005
    Posts: 2,425
    Have you try running RT in a new blank scene without any objects. And see if it can start? I mean, reset max scene and try starting up RT again.

    When RT failed to start, its because:
    -Missing texture - (delay time trying to search file path)
    -Bad object in scene
    -Bad material in scene (difficult calculating ray cache)
    -Bad Spline in scene
    -Memory/GPU error

    From what I have learned, the problem frequent occur if you transfer object from another application into 3ds max and use VRayRT.

    So, try to see if you can start up RT in blank scene, if you still encounter same problems, then might as well, you'd have to reinstall RT.
    Last edited by EquiNOX; 11-29-2011 at 05:27 PM.
    Finished Work - Aston Martn DBS


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