SurfaceEdgeTransition
Description
Decides what is considered a surface edge.
Values of this enumeration:
- HighToLow - Change from higher points to lower ones is considered a surface edge.
 - LowToHigh - Change from lower points to higher ones is considered a surface edge.
 - AnyLowHigh - Any change in points height is going to be considered a surface edge.
 - InvalidToValid - Change from invalid points to valid ones is considered a surface edge.
 - ValidToInvalid - Change from valid points to invalid ones is considered a surface edge.
 - AnyValidInvalid - Any change in points validity is going to be considered a surface edge.
 
