Crazy joints in upload preview
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Avon Narayan
Registered User
Join date: 14 Sep 2006
Posts: 13
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12-03-2006 07:52
Hi guys/girls Firstly i expect i am making a very obvious simple mistake so please go easy on me  I have read the FAQ and tutorial etc but am currently having problems getting an animation to upload and look ok. I'm using Poser 5, the SL avatars and doing a couples animation. I set key frames for 1, 2, 900 (the last frame) and a few places in between. Animation looks fine in Poser preview. I then set frame 1 to the default T-pose (using restore option), select "scale automatically" and export each of the two figures seperately to BVH. Upload to SL but in preview the av flys around the preview window and joints double back and go crazy also. If i do upload it does just the same as the preview in-world. This is a laying pose and i've ensured that I have only moved the figures using hip rotation and positioning (not body movement). Please, can someone help me see the blindingly obvious mistake I must have made? Many thanks in advance Avon
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Ravanne Sullivan
Pole Dancer Extraordinair
Join date: 10 Dec 2005
Posts: 674
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12-03-2006 09:40
Break Spline is your friend.
You need to break the spline between frame one and frame two, SL ignores frame one and starts the animation on frame two, however if you don't break the spline between frames one and two you will have problems with the finished animation. Hope this helps.
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Avon Narayan
Registered User
Join date: 14 Sep 2006
Posts: 13
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12-03-2006 10:03
Oh right, i thought that was just to get the playback to look ok in Poser if you had a default pose in frame 1 and your animation in frame 2 onwards, didnt realise that would affect the uploaded version when SL drops frame 1. Thanks for the quick reply and the tip, will try it out and report back 
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Johan Durant
Registered User
Join date: 7 Aug 2006
Posts: 1,657
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12-03-2006 11:41
From: Avon Narayan Oh right, i thought that was just to get the playback to look ok in Poser if you had a default pose in frame 1 and your animation in frame 2 onwards, didnt realise that would affect the uploaded version when SL drops frame 1. Thing is, SL doesn't interpolate the keyframes (or rather doesn't do spline interpolation between frame 2 and 900 like in Poser,) when you export bvh Poser exports a keyframe every frame. The result being that what you see in Poser is what you see in SL.
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 (Aelin 184,194,22) The Motion Merchant - an animation store specializing in two-person interactions
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Avon Narayan
Registered User
Join date: 14 Sep 2006
Posts: 13
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12-03-2006 11:49
From: Johan Durant Thing is, SL doesn't interpolate the keyframes (or rather doesn't do spline interpolation between frame 2 and 900 like in Poser,) when you export bvh Poser exports a keyframe every frame. The result being that what you see in Poser is what you see in SL. Johan - thx for that. I'm not on a machine that i can get at my Poser animation atm but just to clarify before i try to make the changes. Is this what i need to do? 1. Open my poser animation (which has 2 figures in it) and go to the keyframe editor 2. Select Break Spline for the whole of figure 1 and figure 2 for frame 1 and the same for frame 2? (not to clear on which frame/s to do this too) 3. Ensure i have done a restore on poses for figure 1 and figure 2 in frame 1 so that they have the t-pose 4. Select figure 1, export to BVH with auto scaling, repeat for figure 2 5. Upload animation files to SL and shout hooray!! Does that all sound sensible? Many thanks Avon PS - love the walking couple animations of yours I bought 
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Johan Durant
Registered User
Join date: 7 Aug 2006
Posts: 1,657
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12-03-2006 12:00
Technically you only need to Break Spline on frame 2, but yes those steps are correct. From: Avon Narayan PS - love the walking couple animations of yours I bought  aw thanks
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 (Aelin 184,194,22) The Motion Merchant - an animation store specializing in two-person interactions
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Avon Narayan
Registered User
Join date: 14 Sep 2006
Posts: 13
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12-04-2006 02:03
Thx to everyone that replied to me, using break spline on frame 2 has indeed made my animations settle down and look more as intended  That was my missing setting. Just the normal current SL "features" to battle against now and a little more reading to do. Many thx!
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Luth Brodie
Registered User
Join date: 31 May 2004
Posts: 530
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12-04-2006 06:21
Break spline on frame 2 then watch the animation. Sometimes the limbs will move the opposite way before moving the correct way. IE if you animate say the arm going down, it will first go up and then go down. If that makes any sense. Then break the spline again if you don't want that effect 
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"'Aarrr,' roared the Pirate Captain, because it seemed a good way to end the conversation." The Pirates! In An Adventure With Scientists. Reel Expression Poses and Animations: reelgeek.co.uk/blog
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