STActiveLayerData Properties | 
The STActiveLayerData type exposes the following members.
| Name | Description | |
|---|---|---|
| DepthType | 
            Type of active layer depth
              | |
| FactorOnDepth | 
            FactorOnDepth
              | |
| MaxThickness | 
            FactorOnDepth
              | |
| Thickness | 
            Thickness of active layer. If DepthType is FactorOnDepth,
            this is also the minimum value
              |