Back to FabImage Library Lite website
You are here: Start » Geometry 2D Distance Metrics » PointToLineDistance

PointToLineDistance
Measures the distance between a point and a line.
Syntax
void fil::PointToLineDistance ( const fil::Point2D& inPoint, const fil::Line2D& inLine, float inResolution, float& outDistance, ftl::Optional<fil::Segment2D&> outConnectingSegment = ftl::NIL )
Parameters
Name | Type | Range | Default | Description | |
---|---|---|---|---|---|
![]() |
inPoint | const Point2D& | |||
![]() |
inLine | const Line2D& | |||
![]() |
inResolution | float | 0.0 - ![]() |
1.0f | Number of real-world units per one pixel |
![]() |
outDistance | float& | |||
![]() |
outConnectingSegment | Optional<Segment2D&> | NIL |
Examples
![]() |
![]() |
PointToLineDistance performed on a sample point and a sample line. The green segment is the value of outConnectingSegment output.
Errors
Error type | Description |
---|---|
DomainError | Indefinite line on input in PointToLineDistance. |