The Rendering preferences pane contains options for how the data are rendered and played back.
***
### **Playback**
Playback rate during continuous playback. A value of 1 will show every frame, 2 will show every other frame, etc.
**Default:** 1
***
### **Skeleton Alpha**
Set the opacity of the skeletons, 3D segments, and local coordinate systems rendered in the 2D views. The slider ranges from 0 (transparent) to 100 (opaque).
**Default:** 80
***
### **Render Smooth IK**
If selected, the filtered pose of the skeletons will be rendered. If not selected, the unfiltered pose will be rendered.
**Default:** ON
***
### Display Box Sizes
Displays the box size for the person in the 2D views.
**Default:** OFF
***
### Show Linked Objects
Render tracked Linked Objects (e.g. baseball bats) in the 2D and 3D views.
**Default:** OFF
***
### Linked Object Traces
Options: None, Sparse, Full
Render the trajectory of the Linked Object’s tip point as points (Sparse) or as a line (Full).
**Default:** None
***
### Show Free Objects
Render tracked Free Objects (e.g. balls) in the 2D and 3D views.
**Default:** OFF
***
### Free Object Traces
Options: None, Sparse, Full
Render the trajectory of the Free Objects as points (Sparse) or as a line (Full).
**Default:** None
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