ProfileParabolaSymmetricGetHeadlightSightDistance Method

Gets the headlight sight distance with the given headlight angle and headlight height.

Namespace: Autodesk.Civil.DatabaseServices
Assembly: AeccDbMgd (in AeccDbMgd.dll) Version: 13.8.0.292
Syntax
Copy
public double GetHeadlightSightDistance(
	double maxAngle,
	double headlightHeight
)

Parameters

maxAngle  Double
Headlight Angle.
headlightHeight  Double
Headlight Height.

Return Value

Double
Exceptions
ExceptionCondition
ArgumentException Thrown when the input parameter is out of range (negative, unable to resolve etc).
InvalidOperationException Thrown when CurveType property is Crest.
Remarks
Only valid for sag curve. This design method for sag curves provides a minimum curve length. The curve must be long enough so that in dark driving conditions, the headlights of a standard vehicle illuminate the road a safe distance beyond the stopping distance for the designed speed of travel.
See Also