Mirroring Joint

[kepeli]

When mirroring a left arm on my character to make a right arm I have consistently noticed that the rotation axes on the mirrored copy are different from the original arm. The joint positions are mirrored correctly but the rotation axes are not.

Has anyone else noticed this? Any ideas on how to fix it?

Regards,

Stuart.

[scotta]

I've seen several posts asking about this so I made a script which helps with it. It is called mirrorChain in the animation scripts section on this site. It works in most cases and has already saved me a lot of tedious work. I want to keep working on it so it will properly mirror an entire skeleton with animation.

[maos52]

What i've been doing as a workaround till your post scotta ( is;
- duplicate the whole chain, group it, scale it negatively then freeze the group's transformations and ungroup...
that's it.
Somebody at work told me he preferred mirroring but couldn't exactly tell me why. Can anybody explain what's the practical difference (besides the xtra work...) ?
Maos.

[nieder3d]

-If you where to look at your rotation axises in a mirror, thats what they would look like, the function works correct it just gives you mirrored Values... I f you want the value the same you have to flip the axises on the mirrored surface twice in the down joint direction 180, and in the up axis 180
-I know you think it should be different when you mirror but it does work right as mirror, and if you are planning or do most of your editing in the channel box or with sliders maos's method works well, also scripts work well for making the adjustment on a mirror as also suggested.
-another method is to mirro and then create the mirrored joints over with the same setting you made to create the originals but use point snap so they lie over the mirrors perfect then delete the mirrored,
-I agree a simple opposite or negative mirror command would be great instead of just mirror...
-As for myself I just mirror and snap joints to the mirror and get rid of it, makes it so you don't have to deal with anything going wrong trying to change it or use a script.
-Hope this give a better understanding of Mirror...

sid
sid69graphic@yahoo.com
"-Why? 'Y'!, if it wasn't for 'Y' 'U' and 'I' wouldn't exist..."

[kepeli]

Thanks folks. This should help a lot.

[rokl]

But freezing the group transformation would mix all the rotation axes, right?

rokl