### 3.2.98 semi-tie-interface

A tie which is only on one side connected to a note head.

#### User settable properties:

> `control-points` (list)

>   List of offsets (number pairs) that form control points for the tie, slur, or bracket shape. For Béziers, this should list the control points of a third-order Bézier curve.

> `direction` (direction)

>   If `side-axis` is `0` (or `X`), then this property determines whether the object is placed `LEFT`, `CENTER` or `RIGHT` with respect to the other object. Otherwise, it determines whether the object is placed `UP`, `CENTER` or `DOWN`. Numerical values may also be used: `UP`=`1`, `DOWN`=`-1`, `LEFT`=`-1`, `RIGHT`=`1`, `CENTER`=`0`.

> `details` (list)

>   Alist of parameters for detailed grob behavior. More information on the allowed parameters for a grob can be found by looking at the top of the Internals Reference page for each interface having a `details` property.

> `head-direction` (direction)

>   Are the note heads left or right in a semitie?

> `thickness` (number)

>   Line thickness, generally measured in `line-thickness`.

#### Internal properties:

> `note-head` (graphical (layout) object)

>   A single note head.

This grob interface is used in the following graphical object(s): LaissezVibrerTie and RepeatTie.

#### Internals Reference v2.18.2 (稳定分支).