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Cylinder

Cylinder struct

Represents the values of a plane, a radius and two heights -on top and beneath- that define a right circular cylinder.

Derived Classes:

Namespace: Rhino.Geometry
Cylinder: references

Constructors (2)

Cylinder(Circle baseCircle, double height)

Constructs a new cylinder with a finite height.

Cylinder(Circle baseCircle)

Constructs a new cylinder with infinite height.

Properties (10)

Axis

Gets the axis direction of the cylinder.

BasePlane

Gets or sets the base plane of the cylinder.

Center

Gets the center point of the defining circle.

Height1

Gets or sets the start height of the cylinder. The center of bottom cap is: BasePlane.Origin + Height1 * BasePlane.ZAxis.

Height2

Gets or sets the end height of the cylinder. If the end height equals the start height, the cylinder is presumed to be infinite. The center of top cap is: BasePlane.Origin + Height2 * BasePlane.ZAxis.

IsFinite

True if the cylinder is finite (Height0 != Height1) False if the cylinder is infinite.

IsValid

Gets a boolean value indicating whether this cylinder is valid.
A valid cylinder is represented by a valid circle and two valid heights.

Radius

Gets or sets the radius of the cylinder.

TotalHeight

Gets the height of the cylinder. Infinite cylinders have a height of zero, not Double.PositiveInfinity.

Unset

Gets an invalid Cylinder.

Methods (6)

CircleAt(double linearParameter)

Compute the circle at the given elevation parameter.

EpsilonEquals(Cylinder other, double epsilon)

Check that all values in other are within epsilon of the values in this

LineAt(double angularParameter)

Compute the line at the given angle parameter. This line will be degenerate if the cylinder is infinite.

ToBrep(bool capBottom, bool capTop)

Constructs a Brep representation of this Cylinder. This is synonymous with calling NurbsSurface.CreateFromCylinder().

ToNurbsSurface()

Constructs a Nurbs surface representation of this cylinder. This is synonymous with calling NurbsSurface.CreateFromCylinder().

ToRevSurface()

Constructs a RevSurface representation of this Cylinder. This is synonymous with calling RevSurface.CreateFromCylinder().

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