Short-legged Figures In Poser [4]
#1 turtlecroc 01 Feb 2010 00:50
Hey, i just discovered this forum, probably bec. i just started using Poser again. I've had it for years but never really got into it, i think because of problems like this.....
Okay, i'm trying to do animation. I start w/ the default figure and shorten the legs, e.g. to make a dwarf-type but with a big barrel chest, add an animation (e.g. lift weight from the default set), and when i play it, the guy's feet move up and down like crazy, i.e. relative to the ground plane. This apparently is related to the feet moving up off the ground when i shortened the legs.
I get the feeling this is either a simple (read: dumb) question, or it's impossible. I looked around this forum and google and can't find anything, though i'm sure it's out there. Nor does the Poser 4 PDF manual address this obviously very basic issue. That is, HOW do you apply an animation to a figure w/ shortened legs and have the feet stay put..?! THanks.
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turtlecroc
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Re: Short-legged Figures In Poser [4]
#4 Tormie 01 Feb 2010 17:28
Hi turtlecroc and welcome to Posetteforever
I don't remember how was working with animations in Poser 4, you probably lost the occasion to have Poser 5 for free, that was some time ago. This is to say that in the later versions of the program there are more options and commands. As far as I know it doesn't matter how the figure is made, but everything stands in the "key frames", if you start the frame 1 with the foot on the ground and end in frame 15 with the foot raised up, between the two frames the program creates a "curve" that you can manage in the animation window (I don't know if it's present in Poser 4), the shape of this curve can be of different types, btw you can "brake" it for example at frame 15 setting a "key frame" at that point, so you brake the curve.
Based on what you described, you should add more key frames to the animation, You can even try some of those animation poses, there should be something in the default installation of Poser 4 and modify them for the shape of your particular character. Here on Posetteforever there is a nice character that Andreas (Ahjah) made some times ago, it's made of joint balls, I think that some exercises using her could be useful.
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Re: Short-legged Figures In Poser [4]
#6 turtlecroc 03 Feb 2010 02:27
Not really sure what is happening. Can you make a picture of it. I think it might have something to do with the bones or IE Chain.
It's hard to make a picture since it's animation-related, but if you start up Poser w/ the default guy, then shorten his thighs and lower legs (to about 50%), and then add the ~weightlift animation (under one of the pose menus), then play it, you'll definitely see what i mean. The feet keep going down until they're noticeably below ground level.
There are white outlines of the feet at ground level when you start shortening the legs...is that related to the IK? It's as if the animation values assume default leg length, or perhaps they use absolute values relative to the hip which seems to be the center of the figure.
The same thing happens if you load default guy, then change his proportions to toddler or infant and add the weight-lift animation (or any animation in which the hip goes up/down relative to the feet.....)
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Re: Short-legged Figures In Poser [4]
#7 rayera 03 Feb 2010 18:51
Not really sure what is happening. Can you make a picture of it. I think it might have something to do with the bones or IE Chain.
It's hard to make a picture since it's animation-related, but if you start up Poser w/ the default guy, then shorten his thighs and lower legs (to about 50%), and then add the ~weightlift animation (under one of the pose menus), then play it, you'll definitely see what i mean. The feet keep going down until they're noticeably below ground level.
There are white outlines of the feet at ground level when you start shortening the legs...is that related to the IK? It's as if the animation values assume default leg length, or perhaps they use absolute values relative to the hip which seems to be the center of the figure.
The same thing happens if you load default guy, then change his proportions to toddler or infant and add the weight-lift animation (or any animation in which the hip goes up/down relative to the feet.....)
I've try to reproduce the error in my P4 but it works fine, just loaded the default guy (brown trousers, red shirt) set thigh and shin Y scale to 50% then loaded the Lift_85 animation pose and everything goes as it should maybe if you give us an step by step of your procedure without missing a thing we coul help
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Re: Short-legged Figures In Poser [4]
#8 turtlecroc 03 Feb 2010 21:08
...
I've try to reproduce the error in my P4 but it works fine, just loaded the default guy (brown trousers, red shirt) set thigh and shin Y scale to 50% then loaded the Lift_85 animation pose and everything goes as it should maybe if you give us an step by step of your procedure without missing a thing we coul help
That's exactly what i'm doing. Same guy, same animation. I can hardly believe my Poser 4 is doing something different that your Poser4. I just tried it again, changing the leg length *before* and/or *after* adding the Lift_85 animation, and no difference--except that if you shorten his legs *after* applying the animation, you get white outlines of his shoes at ground level as you slide thru the animation.
Use the slider to move through the animation, and have it rendering in real time (i.e. not a block figure), and watch the guy's feet. They start up off the ground (because the legs are shortened), but move down to ground level as he squats down..... Feet moving vertically is simply wron.g
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