| Value | Meaning |
|---|---|
| None0 | No junctions. |
| CornerTopleft1 | Element connects on the top-left corner. |
| CornerTopright2 | Element connects on the top-right corner. |
| CornerBottomleft4 | Element connects on the bottom-left corner. |
| CornerBottomright8 | Element connects on the bottom-right corner. |
| Top3 | Element connects on the top side. |
| Bottom12 | Element connects on the bottom side. |
| Left5 | Element connects on the left side. |
| Right10 | Element connects on the right side. |
Describes how a rendered element connects to adjacent elements.