Options for M extrapolation (IMSegmentation::ExtrapolateMs).
| Constant | Value | Description |
|---|---|---|
| esriExtrapolateBefore | -1 | Extrapolate Ms only before the start point. |
| esriExtrapolateBoth | 0 | Extrapolate Ms before and after the start and end points. |
| esriExtrapolateAfter | 1 | Extrapolate Ms only after the end point. |