Controls whether the vertical coordinate system is turned on or off for the FDO raster layer.
| Type: | Integer |
| Saved in: | Registry |
| Initial value: | 0 |
| Value | Description |
|---|---|
| 0 or OFF | Vertical coordinate system is disabled for the FDO raster layer. |
| 1 or ON | Vertical coordinate system is enabled for the FDO raster layer. |