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LineSelectorDataGetClosestDistance(Point, Double, Int32) Method |
GetClosestDistance method calculates the closest distance of the line used to create this LineSelectorData to the specified position.
In case
CheckBoundingBox is true (by default) the method returns float.MaxValue when the screenPosition is outside the bounding box.
This method also sets
LastDistance,
LastLinePositionIndex and
LastClosestPositionOnLine properties.
Before calling this method the CalculateScreenSpacePositions method must be called.
Namespace: Ab3d.UtilitiesAssembly: Ab3d.PowerToys (in Ab3d.PowerToys.dll) Version: 11.1.8864.1045
Syntax public double GetClosestDistance(
Point screenPosition,
double maxSelectionDistance,
out int linePositionIndex
)
Parameters
- screenPosition Point
- 2D position that will be used to calculate the distance to this line
- maxSelectionDistance Double
- the distance at which the line will be selected (zero if user needs to be on the line)
- linePositionIndex Int32
- returns the index of the line segments that is closest to the specified position
Return Value
Doubledistance of this line to the specified position
See Also