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Maplex zone identifier options.
| Constant | Value | Description | 
|---|---|---|
| esriMaplexGAStraight | 0 | Identifies a graticule alignment type that is straight with the graticule. | 
| esriMaplexGAStraightNoFlip | 1 | Identifies a graticule alignment type that is straight and labels are not automatically kepy upright. | 
| esriMaplexGACurved | 2 | Identifies a graticule alignment type that is curved with the graticule. | 
| esriMaplexGACurvedNoFlip | 3 | Identifies a graticule alignment type that is straight and labels are not automatically kepy upright. |