fractionOfProjectionToLine Method
Return the fractional coordinate of the projection of this instance x,y onto the line from startPoint to endPoint.
fractionOfProjectionToLine(startPoint: Point2d, endPoint: Point2d, defaultFraction: number = 0): number
| Parameter | Type | Description |
|---|---|---|
| startPoint | Point2d | start point of line |
| endPoint | Point2d | end point of line |
| defaultFraction | number | fraction to return if startPoint and endPoint are equal. |
Returns - number
Defined in
- geometry3d/Point2dVector2d.ts Line 341
Last Updated: 30 November, 2023