IMSegmentation3 Interface
Provides access to additional linear referencing operations on polylines.
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
Members

Name 
Description 

CalculateNonSimpleMs 
Redefines the nonsimple Ms to be values obtained from interpolation of surrounding defined Ms, or extrapolation of Ms. 

CalibrateByDistance 
Calibrates Ms of existing vertices using new Ms from the input points and the shortest path distances along the polyline between those points. The update method is given as a combination of esriGeometryUpdateMEnum values. 

CalibrateByMs 
Calibrates Ms of existing vertices using new Ms from the input points and existing Ms along shortest paths between those points. The update method is given as a combination of esriGeometryUpdateMEnum values. 

ExtrapolateMs 
Extrapolates the Ms at one or both ends of the geometry based on the M interval between the fromIndex and the toIndex. 

GetDistancesAtM 
Returns an array of distances along the polyline at which is located the specified M. If the geometry's M's are monotonic along the geometry then the array will only have one element. 

GetMsAtDistance 
Returns M values at the distance along the geometry. An array of one or two Ms is returned. Two Ms can be returned if the given distance is exactly at the beginning or ending of a part. 

GetNormalsAtM 
Returns a geometry bag of line segments corresponding to the normal at the locations along the geometry where the specified M occurs. 

GetPointsAtM 
Returns a multipoint geometry corresponding to the locations along the geometry where the specified M occurs. 

GetSubcurveBetweenMs 
Returns a polyline geometry corresponding to the subcurve(s) between the fromM and the toM. 

GetSubcurveBetweenMsEx 
Returns a polyline geometry corresponding to the subcurve(s) between the fromM and the toM values. The 'details' arguments are composed of esriMCurveRelationEnum values. 

InsertMAtDistance 
Sets the M value at the given distance along the geometry; creates a point at that distance if no point exists there. 

InterpolateMsBetween 
Generates Ms by linear interpolation of segment distances for all vertices in the range [start+1, end1]. 

MMax 
The maximum M value. 

MMin 
The minimum M value. 

MMonotonic 
A value indicating whether Ms are monotonic, and if so, whether they are ascending or descending. 

MMonotonicity 
A combination of esriMonotinicityEnum values that describes all trends in M values over the length of the curve. 

MultiplyMs 
Multiplies all the M values by a factor. 

OffsetMs 
Offsets all the M values by an offset value. 

OrientByMs 
Reorients the curve to make Ms nondecreasing, if possible. 

QueryFirstLastM 
Returns the first and last defined M value for the curve. 

ReverseMsOrder 
Reverses the order of the Ms along the geometry. 

SetAndInterpolateMsBetween 
Sets the Ms at the beginning and the end of the geometry and interpolates the M values between these values. 

SetMsAsDistance 
Sets the M values to the cumulative length from the origin of the geometry. 

SetMsAsDistance2 
Sets Ms on vertices as scaled and offset distances from the input origin as measured along the polyline. Shortest path distances from the origin are used. Optionally ignores distances between parts of the polyline. 

UpdateAllMsByMs 
Sets Ms on vertices as scaled and offset M distances from the input origin as measured along the polyline based on the existing M's. Shortest path distances from the origin are used. Optionally ignores distances between parts of the polyline. 

UpdateMsByDistance 
Updates Ms along the shortest path between the specified endpoints. The interpolation ratio is determined by the input ms and euclidean distance along that path. The update method is given as a combination of esriGeometryUpdateMEnum values. 

UpdateMsByMs 
Updates Ms along the shortest path between the specified endpoints. The interpolation ratio is determined by the existing ms along that path and the input ms. The update method is given as a combination of esriGeometryUpdateMEnum values. 
Inherited Interfaces
Interfaces 
Description 
IMSegmentation2 
Provides access to additional linear referencing operations on polylines. 
IMSegmentation 
Provides access to members for defining an Mbased linear coordinate system on a polyline or polygon. 
IMCollection 
Provides access to members that control operations on Maware multipoints, polylines, polygons and multipatches. 
Classes that implement IMSegmentation3
Classes 
Description 
Polyline 
An ordered collection of paths; optionally has measure, height and ID attributes. 