Enumeration to define the style of the symbol to mark a point in a diagram. Possible values:
| Types.PointSymbol. | Meaning |
|---|---|
| None | No symbol (point is not explicitly marked) |
| Cross | x |
| Circle | o |
| Square | Non-filled square |
| FilledSquare | Filled square |
| TriangleDown | Filled triangle pointing downwards |
| TriangleUp | Filled triangle pointing upwards |
| Diamond | Filled diamond |
| Dot | . |
type PointSymbol = enumeration(None "no symbol", Cross "x", Circle "o", Square, FilledSquare, TriangleDown, TriangleUp, Diamond, Dot);