This addon will help generate parabolic curves in Autodesk® AutoCAD® and Autodesk® Civil 3D® with a dynamic preview of the result and dynamic parameter adjustments.

This is often used in road/highway profile design.

 

Features:

 

Four input parameter modes are supported:

• Length, InGrade, OutGrade (LIO)
• K Value, InGrade, OutGrade (KIO)
• K Value, Length, InGrade (KLI)
• K Value, Length, OutGrade (KLO)

Dynamic preview of the end result

Sag/Crest Curve support.

Vertical Scale support.

UCS support.

Adjustable polyline vertices parameter.

Curve input parameter data persists as XData in the acad entities.

Copy Curve parameters and Curve Info display.