Polyline
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This class represents piecewise linear splines
in 2D space.
Inheritance Hierarchy
SystemObject
SystemMarshalByRefObject
Teigha.RuntimeDisposableWrapper
Teigha.GeometryEntity2d
Teigha.GeometryCurve2d
Teigha.GeometrySplineEntity2d
Teigha.GeometryPolylineCurve2d
SystemMarshalByRefObject
Teigha.RuntimeDisposableWrapper
Teigha.GeometryEntity2d
Teigha.GeometryCurve2d
Teigha.GeometrySplineEntity2d
Teigha.GeometryPolylineCurve2d
Namespace: Teigha.Geometry
Assembly: TD_Mgd (in TD_Mgd.dll) Version: 26.9.0.0
Syntax
The PolylineCurve2d type exposes the following members.
Constructors
| Name | Description | |
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PolylineCurve2d | Default constructor for the PolylineCurve2d class. Creates a default corresponding C++ object with no actual data stored. |
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PolylineCurve2d(Point2dCollection) | Constructor for the PolylineCurve2d class. Creates a polyline from a collection of points. |
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PolylineCurve2d(Curve2d, Double) | Constructor for the PolylineCurve2d class. Creates a polyline approximating a curve within the specified tolerance. |
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PolylineCurve2d(KnotCollection, Point2dCollection) | Constructor for the PolylineCurve2d class. Creates a polyline with the specified knots and point values. |
Properties
| Name | Description | |
|---|---|---|
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AutoDelete | Property that indicates whether the object should be
automatically deleted by the Garbage Collector. (Inherited from DisposableWrapper) |
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BoundBlock | Property that represents an oriented bounding box of
curve. (Inherited from Curve2d) |
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Degree | Property that represents the degree of the spline. (Inherited from SplineEntity2d) |
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EndParameter | Property that represents the parameter corresponding to the end
point of this spline. (Inherited from SplineEntity2d) |
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EndPoint | Property that represents the end point of this spline. (Inherited from SplineEntity2d) |
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HasEndPoint | Property that indicates whether the parametric interval of the
curve has an upper bound. (Inherited from Curve2d) |
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HasFitData | Property that indicates whether the spline is constructed using
fit points. (Inherited from SplineEntity2d) |
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HasStartPoint | Property that indicates whether the parametric interval of the
curve has a lower bound. (Inherited from Curve2d) |
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IsDisposed | Property that indicates whether pointer to native code
unmanaged object == IntPtr::Zero. (Inherited from DisposableWrapper) |
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IsRational | Property that indicates whether the spline is rational or a
polynomial. (Inherited from SplineEntity2d) |
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Knots | Property that represents the knot collection. (Inherited from SplineEntity2d) |
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NumberOfFitPoints | Property that represents a number of fit points in a spline. |
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NumControlPoints | Property that represents the number of points in the control
point array. (Inherited from SplineEntity2d) |
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NumKnots | Property that represents the number of knots in the knot
vector. (Inherited from SplineEntity2d) |
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Order | Property that represents the order of the spline. (Inherited from SplineEntity2d) |
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OrthoBoundBlock | Property that represents a bounding box whose edges are aligned
with the coordinate axes. (Inherited from Curve2d) |
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StartParameter | Property that represents the parameter corresponding to the
start point of this spline. (Inherited from SplineEntity2d) |
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StartPoint | Property that represents the start point of this spline. (Inherited from SplineEntity2d) |
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UnmanagedObject | Property that represents a pointer to an unmanaged
object. (Inherited from DisposableWrapper) |
Methods
| Name | Description | |
|---|---|---|
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Clone | Clones this entity and returns a handle to the cloned
entity. (Inherited from Entity2d) |
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Create | Creates an object based on the passed pointer and returns a handle to the created object. |
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CreateObjRef | (Inherited from MarshalByRefObject) |
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Dispose | (Inherited from DisposableWrapper) |
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Equals | Checks objects for equality. (Inherited from DisposableWrapper) |
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EvaluatePoint | Retrieves the point on the curve corresponding to the specified
parameter value. (Inherited from Curve2d) |
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Explode | Explodes the curve into its component sub-curves. (Inherited from Curve2d) |
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FitPointAt | Returns the fit point at the specified index. |
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GetArea(Double, Double) | Retrieves the area of the parametric interval defined by the
passed start and end parameters. (Inherited from Curve2d) |
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GetArea(Double, Double, Tolerance) | Retrieves the area of the parametric interval defined by the
passed start and end parameters within the specified
tolerance. (Inherited from Curve2d) |
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GetBoundBlockOf | Retrieves the oriented bounding box of the specified parametric
interval of this curve. (Inherited from Curve2d) |
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GetClosestPointTo(Curve2d) | Retrieves the closest points between this curve and the passed
curve. (Inherited from Curve2d) |
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GetClosestPointTo(Point2d) | Retrieves the closest point on this curve to the specified
point. (Inherited from Curve2d) |
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GetClosestPointTo(Curve2d, Tolerance) | Retrieves the closest points between this curve and the passed
curve within a specified tolerance. (Inherited from Curve2d) |
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GetClosestPointTo(Point2d, Tolerance) | Retrieves the closest point on this curve to the specified
point within the specified tolerance. (Inherited from Curve2d) |
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GetContinuityAtKnot(Int32) | Returns the degree of the highest derivative that is defined at
a specified knot. Currently not implemented. (Inherited from SplineEntity2d) |
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GetContinuityAtKnot(Int32, Tolerance) | Returns the degree of the highest derivative that is defined at
a specified knot. Currently not implemented. (Inherited from SplineEntity2d) |
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GetControlPointAt | Returns control point in the control point array at the
specified index. Currently not implemented. (Inherited from SplineEntity2d) |
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GetDistanceTo(Curve2d) | Retrieves the distance of the closest points between this curve
and the passed curve. (Inherited from Curve2d) |
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GetDistanceTo(Point2d) | Retrieves the distance of the closest point on this curve and
the specified point. (Inherited from Curve2d) |
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GetDistanceTo(Curve2d, Tolerance) | Retrieves the distance of the closest points between this curve
and the passed curve within a specified tolerance. (Inherited from Curve2d) |
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GetDistanceTo(Point2d, Tolerance) | Retrieves the distance of the closest point on this curve and
the specified point within a specified tolerance. (Inherited from Curve2d) |
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GetHashCode | Retrieves the object hash code. (Inherited from DisposableWrapper) |
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GetInterval | Retrieves the parametric interval of this curve. (Inherited from Curve2d) |
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GetKnotAt | Returns a knot value at the specified knot index. Currently not
implemented. (Inherited from SplineEntity2d) |
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GetLength(Double, Double) | Retrieves the arc length of the curve between the two parameter
values. (Inherited from Curve2d) |
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GetLength(Double, Double, Tolerance) | Retrieves the arc length of the curve between the two parameter
values within a specified tolerance. (Inherited from Curve2d) |
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GetLifetimeService | (Inherited from MarshalByRefObject) |
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GetNormalPoint(Point2d) | Retrieves the point on this curve where normal extends through
the passed point. (Inherited from Curve2d) |
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GetNormalPoint(Point2d, Tolerance) | Retrieves the point on this curve where normal extends through
the passed point within the specified tolerance. (Inherited from Curve2d) |
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GetOrthoBoundBlockOf | Retrieves the bounding box of the specified parametric range of
this curve. Bounding box sides are parallel to the coordinate
axes. (Inherited from Curve2d) |
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GetParameterAtLength(Double, Double, Boolean) | Retrieves the parameter value of the point whose arc length
distance is the input length. (Inherited from Curve2d) |
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GetParameterAtLength(Double, Double, Boolean, Tolerance) | Retrieves the parameter value of the point whose arc length
distance is the input length. (Inherited from Curve2d) |
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GetParameterOf(Point2d) | Retrieves the parameter value of a point. (Inherited from Curve2d) |
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GetParameterOf(Point2d, Tolerance) | Retrieves the parameter value of a point within a specified
tolerance. (Inherited from Curve2d) |
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GetReverseParameterCurve | Reverses the parameter direction for this curve. (Inherited from Curve2d) |
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GetSamplePoints(Int32) | Retrieves an array of sample points along this curve. (Inherited from Curve2d) |
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GetSamplePoints(Double, Double, Double) | Retrieves specified arrays of sample points along this curve
and their parameter values. (Inherited from Curve2d) |
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GetSplitCurves | Retrieves two segments of this curve split at the specified
parameter value. (Inherited from Curve2d) |
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GetTrimmedOffset(Double, OffsetCurveExtensionType) | Retrieves offset curves that represent the trimmed offset of
the curve. (Inherited from Curve2d) |
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GetTrimmedOffset(Double, OffsetCurveExtensionType, Tolerance) | Retrieves one or more offset curves that represent the trimmed
offset of the curve. (Inherited from Curve2d) |
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GetType | (Inherited from Object) |
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InitializeLifetimeService | (Inherited from MarshalByRefObject) |
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IsClosed | Checks whether the curve is closed. (Inherited from Curve2d) |
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IsClosed(Tolerance) | Checks whether the curve is closed within a specified
tolerance. (Inherited from Curve2d) |
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IsDegenerate(Entity2d) | Checks whether this curve is degenerate and returns the type of
entity that the curve degenerates to (if degenerate). (Inherited from Curve2d) |
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IsDegenerate(Entity2d, Tolerance) | Checks whether this curve is degenerate and returns the type of
entity that the curve degenerates to (if degenerate). (Inherited from Curve2d) |
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IsEqualTo(Entity2d) | Checks whether this entity is equal to the specified
entity. (Inherited from Entity2d) |
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IsEqualTo(Entity2d, Tolerance) | Checks whether this entity is equal to the specified entity
within a geometric tolerance. (Inherited from Entity2d) |
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IsLinear(Line2d) | Checks whether this curve is linear. (Inherited from Curve2d) |
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IsLinear(Line2d, Tolerance) | Checks whether this curve is linear within a specified
tolerance. (Inherited from Curve2d) |
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IsOn(Double) | Checks whether a specified parameter value is within a valid
parametric range of the curve. (Inherited from Curve2d) |
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IsOn(Point2d) | Checks whether a specified point lies on this curve. (Inherited from Curve2d) |
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IsOn(Double, Tolerance) | Checks whether a specified parameter value is within a
parametric range of the curve. (Inherited from Curve2d) |
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IsOn(Point2d, Double) | Checks whether a specified point lies on this curve. (Inherited from Curve2d) |
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IsOn(Point2d, Tolerance) | Checks whether a specified point lies on this curve within
specified tolerance. (Inherited from Curve2d) |
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IsOn(Point2d, Double, Tolerance) | Checks whether a specified point lies on this curve. (Inherited from Curve2d) |
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IsPeriodic | Checks whether the curve is periodic. (Inherited from Curve2d) |
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Mirror | Mirrors this entity about the specified 2D line. (Inherited from Entity2d) |
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RotateBy | Rotates this entity about the specified point by the specified
angle. (Inherited from Entity2d) |
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ScaleBy | Scales this entity by the specified scale factor about the
specified point. (Inherited from Entity2d) |
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SetControlPointAt | Sets the specified control point in the control point array.
Currently not implemented. (Inherited from SplineEntity2d) |
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SetFitPointAt | Sets the fit point at the specified index. |
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SetInterval | Sets the parametric range of this curve. (Inherited from Curve2d) |
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SetKnotAt | Sets the knot value for the specified knot. Currently not
implemented. (Inherited from SplineEntity2d) |
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ToString | (Inherited from Object) |
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TransformBy | Applies the specified 2D transformation matrix to this
entity. (Inherited from Entity2d) |
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TranslateBy | Translates this entity by applying a 2D translation
vector. (Inherited from Entity2d) |
See Also