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What are Face Groups for?

Eternal ForceEternal Force Posts: 301
in Daz Studio Discussion

Hello guys! Just a quick question. What is the purpose of Face Groups in DAZ Studio? I know that while editing my rigged clothes, I can go to Geometry Editor, select some Face Group and  reassign its polygons to another Face Group. In theory it should change my rigging.  In practice I cannot see any visible difference in the behaviour of my clothes even if I reassign left Shin to right Thigh. I thought that Face Groups are responsible for the way the bones deform my clothes in different poses. However, it is  wriiten in DAZ 3D User Guide that Face Groups "do not tie the bones to specific portions of the mesh".  Well, now I am puzzled. What is the purpose of Face Groups then? What do they do?

Can you help me?

Comments

  • Richard HaseltineRichard Haseltine Posts: 102,244

    Face groups can be used to aid selection when rigging, they also provide the means (as Selection Groups) to make a bone selectable by clicking in the Viewport and allow the emsh to be hidden by turning the associated bone's visbility off. It is, however, perfectly possible to have a rigged item without face groups.

  • Eternal ForceEternal Force Posts: 301

    Richard Haseltine said:

    Face groups can be used to aid selection when rigging, they also provide the means (as Selection Groups) to make a bone selectable by clicking in the Viewport and allow the emsh to be hidden by turning the associated bone's visbility off. It is, however, perfectly possible to have a rigged item without face groups.

    So the Face Groups are just some means of selection and nothing more. Thank you, Richard! 

  • Richard HaseltineRichard Haseltine Posts: 102,244

    Galactic Wind said:

    Richard Haseltine said:

    Face groups can be used to aid selection when rigging, they also provide the means (as Selection Groups) to make a bone selectable by clicking in the Viewport and allow the emsh to be hidden by turning the associated bone's visbility off. It is, however, perfectly possible to have a rigged item without face groups.

    So the Face Groups are just some means of selection and nothing more. Thank you, Richard! 

    They are also useful for a stand-alone figure (one not rigged with the Transfer Utility) as the bones are created in the middle of the associated group's bounding box, aligned along the twist axis.

  • Eternal ForceEternal Force Posts: 301

    Interesting. I have not gone so far yet. Right now I am using the Transfer Utility. Thank you again for the explanation, Richard! It is helpful.

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