In the elektra rigging tutorial, root and cog are added with transformdriver component:

https://www.sidefx.com/docs/houdini/character/kinefx/rigcharacter.html#addcontrols [www.sidefx.com]

What is the advantage of this over adding them in the fktransform component?

So far, my only rigs have been very basic multiik "spiders" and I have just been removing all trs controls in fktransform except for my root and cog and it seems to work alright. What is the advantage of doing it with transformdriver instead?

Hi,

The fktransform will only create controls from existing joints found in the guide skelton.

The Transform driver can either add new controls or modify existing ones. You can also use the transform driver to parent or constrain the transform objects.

Say, that you dont like the parenting setup of a specific component, you can use the transformdriver to edit the parent hierarchy.

Ok, got it. Since my cog and root are existing joints in my guide skeleton I guess I will stick to fktransform.

Thanks for the reply! It opened my eyes to using transformdriver for modifying rather than just creating.

Is transformdriver the accepted workflow for hiding controls, then? I am trying to figure out how to hide all the controls on my multiik setup but I didn't see anything similar to the tpromotegroup/rpromotegroup/spromotegroup from fktransform.

You can hide them using the Configure controls node. Set the mask to asterisks * and control’s shape to an empty field.

Thanks! I'll use the APEX Configure Controls SOP (I can't seem to get the APEX Autorig Component SOP (in configurecontrols mode) to work for this).