Dave-So opened this issue on Jun 20, 2010 · 18 posts
Dave-So posted Sun, 20 June 2010 at 9:04 AM
I have an object that rotates on x and z axis, but will not rotate on the y axis. This is very frustrating as I need it to rotate on the y.
what would cause this? I looked at the parameter limits, they are set at -10000 min and +10000 max.
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Dave-So posted Sun, 20 June 2010 at 9:26 AM
i do see it will rotate on y using direct manipulation but not the parameter dials.
Humankind has not
woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound
together.
All things connect......Chief Seattle,
1854
ockham posted Sun, 20 June 2010 at 9:33 AM
Look at the CR2 or PP2. Find the Yrot section for the prop or the Body or whatever
it is you're trying to turn. See if the line
forceLimits 1
is in that section. If so, change it to
forceLimits 0
===============
Specifically, you're looking for a section like this:
rotateY yRotate
{
name yrot
initValue 0
hidden 0
forceLimits 1 <<< ======== If this is 1 or more, make it 0.
min -100000
max 100000
trackingScale 1
keys
{
static 0
k 0 0
}
interpStyleLocked 0
}
Dave-So posted Sun, 20 June 2010 at 9:40 AM
all of the limits are 0 in the pp2
Humankind has not
woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound
together.
All things connect......Chief Seattle,
1854
LaurieA posted Sun, 20 June 2010 at 9:53 AM
Had you turned it 90 degrees on X or Z first? It's been my experience in that case that you get gimbal lock...irritating ;o).
Laurie
seachnasaigh posted Sun, 20 June 2010 at 10:11 AM
Quote - Had you turned it 90 degrees on X or Z first? It's been my experience in that case that you get gimbal lock...irritating ;o).
Laurie
That's the same quirk that I immediately thought of; you expressed it so eloquently. "gimbal lock" ^^
Poser 12, in feet.
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geep posted Sun, 20 June 2010 at 10:14 AM
Attached Link: Note - This Page excerpt from the Intro to Poser 8 tutorial
*(click image to view full size)*Have you tried using the Direct Manipulation tool?
Just a thought.
cheers,
dr geep
;=]
Remember ... "With Poser, all things are possible, and poseable!"
cheers,
dr geep ... :o]
edited 10/5/2019
LaurieA posted Sun, 20 June 2010 at 10:16 AM
Quote - > Quote - Had you turned it 90 degrees on X or Z first? It's been my experience in that case that you get gimbal lock...irritating ;o).
Laurie
That's the same quirk that I immediately thought of; you expressed it so eloquently. "gimbal lock" ^^
Hehe...that's what it's called ;o)
From Wikipedia:
" Gimbal lock is the loss of one degree of freedom that occurs when the axes of two of the three gimbals are driven into the same place and cannot compensate for rotations around one axis in three dimensional space.
The word lock is misleading: no gimbal is restrained. All three gimbals can still rotate freely about their respective axes of suspension. Nevertheless, because of the parallel orientation of two of the gimbal axes there is no axis available to accommodate rotation along one axis."
Actually, it's only older programs that do this. Most newer 3D programs use a different rotation method.
Laurie
Dave-So posted Sun, 20 June 2010 at 10:29 AM
Hi Geep ..yes, the direct manip tool works...the parameter dial does not.(see post #2).
Rotate xz prior to y .. no ..i tried y right away ...after i couldn't get it to work i loaded a couple more instances of the prop...been experimenting.
but ... i guess its a moot point consideirng direct manuipulation works, but it would be good for a learning experience why the Yrotate dial does nothing.
Humankind has not
woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound
together.
All things connect......Chief Seattle,
1854
geep posted Sun, 20 June 2010 at 10:53 AM
Hi Dave,
Yup, it's prolly good ol' gimbal lock or ... maybe ... one of it's close cousins. :lol:
cheers,
dr geep
;=]
P.S. When you rotate the object using the DM tool, what happens to the parameter dial readings, huh, huh, huh? :huh:
Remember ... "With Poser, all things are possible, and poseable!"
cheers,
dr geep ... :o]
edited 10/5/2019
Dave-So posted Sun, 20 June 2010 at 10:58 AM
Humankind has not
woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound
together.
All things connect......Chief Seattle,
1854
Eric Walters posted Sun, 20 June 2010 at 12:33 PM
I Love the DMT! Daveso- NOOOOOOOO!!!! Don't introduce the VUVUZELA to Poser!!!! I can't think straight when that is blasting out of my computer's speakers!! Will we hear it buzzing in the market-or just the discussion board?? "-)
Dave-So posted Sun, 20 June 2010 at 1:08 PM
it was loaded into freestuff by Alphonso3d.
my next task is to find a suitable bomb to blow it to smithereens
Humankind has not
woven the web of life. We are but one thread within it.
Whatever we do to the web, we do to ourselves. All things are bound
together.
All things connect......Chief Seattle,
1854
LostinSpaceman posted Sun, 20 June 2010 at 1:39 PM
LOL! You guys are funny!
Eric Walters posted Sun, 20 June 2010 at 1:39 PM
Oh THANK you Daveso! A giant War Hammer will also do the trick!
TrekkieGrrrl posted Sun, 20 June 2010 at 3:36 PM
Hey.. is the thing a smartprop If so that might be why it won't rotate.
It could also be the way it's originally modeled, if the axis is different and it's brought into Poser rotated, you may have gimbal lock and not even know it, then. (I've had that problem with magic wands in the past)
And I think it's a sort of nemesis for even using a Poser Vuvuzela! Those things are cursed!
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markschum posted Sun, 20 June 2010 at 4:19 PM
I thought I posted this before :( , select the prop and open joint editor. Look at the green center crosshairs and see if they look ok , if they dont then use the align button and see if that fixes it.
I had that trouble when I modelled something and rotated it 90 degrees in poser , could not figure out why it wont rotate properly.
Helgard posted Mon, 21 June 2010 at 12:28 PM