Landform is a growing set of nodes created primarily to assist with site and landscape modeling and analysis in Revit. Developed by the author of landarchbim.com.

Curve.DividePoints
Curve.MidPoint
Curve.StartMidPoint
Elements.RandomizeParameter
FamilyInstance.Percentage
FamilyInstance.RandomRotation
List.MatchLength
List.RemoveEmpty
Math.RandomIntegerMin
NurbsSurface.ByNurbsCurve
Point.GridTriangle
Point.GridTriangleContain
Point.Random
Point.RandomAmount
Point.XRange
Point.XYZByCoordinates
Point.YRange
Point.ZRange
SlabShape.Points
Topography.ByLines
Topography.ColorByElevation
Topography.ColorBySlope
Topography.Plane.XZ