Edit Influences Menu

Add Influence
Geometry
Turn Use Geometry on if you want the influence object’s shape as well as its transform attributes (translation, rotation, and scale) to influence the skin’s shape. Turn Use Geometry off if you only want the influence object’s transform attributes (translate, rotate, and scale) to influence the skin’s shape. Default is Use Geometry on.
Dropoff
Specifies the rate at which the influence of the influence object’s position drops as the distance from the influence object increases. Specify values between 0.1 and 100. Default is 4.0.
Polygon Smoothness
Specifies how accurately the smooth skin points follow a given polygonal influence object. The higher the value, the more rounded the deformation effect. Set values between 0.0 and 50.0. Default is 0.0.
NURBS Samples
Specifies the number of samples used to evaluate the influence of a NURBS influence object’s shape. The greater the number of samples, the more closely the smooth skin follows the influence object’s shape. Set values between 1 and 100. Default is 10.
Weight Locking
Specifies that you want to prevent the influence object’s weights from being changed indirectly, typically because of weight normalization during weight painting and editing (see Lock smooth skin weights). Instead, Maya holds the weights to the Default Weight. Default is off.
Default Weight
Specifies the default holding weight if Weight Holding is on. Default is 0.000.
Remove Influence
Removes the current influence object’s influence from the skin. Remove Influence does not delete the current influence object from the scene.
Set Max Influences
Specifies the number of joints and influence objects that can influence each skin point. Use slider to select values from 0 to 30. Default is 5.
Remove Unused Influences
Disconnects all joints and influence objects with skin weights of 0 from their smooth skin. See Remove unused influences from a smooth skinned surface.