Method FractionAlong
FractionAlong(Polyline, MapPoint, Double)
Finds the location on the line nearest the point, expressed as the fraction along the line's total geodesic length, if the point is within the specified distance from the closest location on the line. The line and point must have consistent spatial references.
Declaration
public static double FractionAlong(Polyline line, MapPoint point, double tolerance)
Parameters
Type | Name | Description |
---|---|---|
Polyline | line | The line to locate the point's distance along its length. |
Map |
point | The point to locate. |
Double | tolerance | The maximum distance that a point is allowed to be from the line,
in the units of the Spatial |
Returns
Type | Description |
---|---|
Double | The length along the line nearest the input point,
expressed as the fraction of the line's length between 0.0 and 1.0,
or System. |
Remarks
Supports true curves.
Applies to
Platforms and versions
Target | Versions |
---|---|
.NET Standard 2.0 | 100.6 - 100.15 |
.NET 6.0 | 100.13 - 100.15 |
.NET 6.0 Windows | 100.13 - 100.15 |
.NET Framework | 100.6 - 100.15 |
.NET 5 | 100.10 - 100.12 |
.NET Core 3.1 | 100.7 - 100.12 |
Xamarin.Android | 100.6 - 100.15 |
Xamarin.iOS | 100.6 - 100.15 |
UWP | 100.6 - 100.15 |