Help applying IK on null rig

[trea]

Hi. I have a model imported from a FBX file. The rig is made up of null joints and I'd like to know how to use IK much like when you draw a 2D skeleton. I'm new to softimage rigging and I'd appreciate it if someone could point me in the right direction. I am using Softimage 2015 SP2.

Thank you,
Trea

[xsi_fanatic]

Hi. I have a model imported from a FBX file. The rig is made up of null joints and I'd like to know how to use IK much like when you draw a 2D skeleton. I'm new to softimage rigging and I'd appreciate it if someone could point me in the right direction. I am using Softimage 2015 SP2.

Thank you,
Trea

Hi Trea,

I can certainly help you out with that. But it's easy but a bit lengthy. Would you like to chat in person ?

[trea]

Yes, that would be great thank you.

[xsi_fanatic]

Yes, that would be great thank you.

Cool, PM me your email and/or Skype. I'll send you some scene samples and walk you through the process.

[AceMastermind]

You can restore IK by using the null chains as a snap guide to redraw 2d bone chains and rename the new bones accordingly. Then you could save a weight preset and envelope the mesh to the new skeleton and apply the preset or you could just constrain the null chains to the 2d bone chains.

[xsi_fanatic]

You can restore IK by using the null chains as a snap guide to redraw 2d bone chains and rename the new bones accordingly. Then you could save a weight preset and envelope the mesh to the new skeleton and apply the preset or you could just constrain the null chains to the 2d bone chains.

Hi Manny,

I found that constraining the nulls is the quicker solution. Provided that you don't have to rig everything from scratch. Personally I do this using the myRig autorigger plugin. Simple, yet sophisticated plugin.

[AceMastermind]

Hi Manny, ...

You have mistaken me for 3DMastermind (Manny Papamanos).

[xsi_fanatic]

Hi Manny, ...

You have mistaken me for 3DMastermind (Manny Papamanos).

Hahaha ! Sorry about that.

[trea]

Thanks to xsi_fanatic for guiding me through on skype. I found the myRig plugin to be very well made and offered a lot of control. I now understand constrains with XSI a lot better than before. You can view xsi_fanatic's videos in this thread.

You can restore IK by using the null chains as a snap guide to redraw 2d bone chains and rename the new bones accordingly. Then you could save a weight preset and envelope the mesh to the new skeleton and apply the preset or you could just constrain the null chains to the 2d bone chains.

Ah that's also a great solution, thank you.