Methods_T_Rhino_Geometry_PolylineCurve - mcneel/rhinocommon-api-docs GitHub Wiki
The PolylineCurve type exposes the following members.
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ChangeClosedCurveSeam | If this curve is closed, then modify it so that the start/end point is at curve parameter t. (Inherited from Curve.) |
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ChangeDimension | Changes the dimension of a curve. (Inherited from Curve.) |
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ClosedCurveOrientation() | Determines the orientation (counterclockwise or clockwise) of a closed, planar curve in the world xy plane. Only works with simple (no self intersections) closed, planar curves. (Inherited from Curve.) |
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ClosedCurveOrientation(Plane) | Determines the orientation (counterclockwise or clockwise) of a closed, planar curve in a given plane. Only works with simple (no self intersections) closed, planar curves. (Inherited from Curve.) |
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ClosedCurveOrientation(Transform) | Determines the orientation (counterclockwise or clockwise) of a closed, planar curve. Only works with simple (no self intersections) closed, planar curves. (Inherited from Curve.) |
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ClosedCurveOrientation(Vector3d) | Determines the orientation (counterclockwise or clockwise) of a closed, planar curve in a given plane. Only works with simple (no self intersections) closed, planar curves. (Inherited from Curve.) |
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ClosestPoint(Point3d, Double) | Finds parameter of the point on a curve that is closest to testPoint. If the maximumDistance parameter is > 0, then only points whose distance to the given point is <= maximumDistance will be returned. Using a positive value of maximumDistance can substantially speed up the search. (Inherited from Curve.) |
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ClosestPoint(Point3d, Double, Double) | Finds the parameter of the point on a curve that is closest to testPoint. If the maximumDistance parameter is > 0, then only points whose distance to the given point is <= maximumDistance will be returned. Using a positive value of maximumDistance can substantially speed up the search. (Inherited from Curve.) |
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ClosestPoints(Curve, Point3d, Point3d) | Gets closest points between this and another curves. (Inherited from Curve.) |
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ClosestPoints(IEnumerable(GeometryBase), Point3d, Point3d, Int32) |
Finds the object (and the closest point in that object) that is closest to this curve.
Breps, surfaces, curves and point clouds are examples of objects that can be passed to this function.
(Inherited from Curve.) |
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ClosestPoints(IEnumerable(GeometryBase), Point3d, Point3d, Int32, Double) |
Finds the object (and the closest point in that object) that is closest to this curve.
Breps, surfaces, curves and point clouds are examples of objects that can be passed to this function.
(Inherited from Curve.) |
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ComponentIndex | If this piece of geometry is a component in something larger, like a BrepEdge in a Brep, then this function returns the component index. (Inherited from GeometryBase.) |
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ConstructConstObject | Assigns a parent object and a subobject index to this. (Inherited from CommonObject.) |
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Contains(Point3d) | Computes the relationship between a point and a closed curve region. This curve must be closed or the return value will be Unset. Both curve and point are projected to the World XY plane. (Inherited from Curve.) |
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Contains(Point3d, Plane) | Computes the relationship between a point and a closed curve region. This curve must be closed or the return value will be Unset. (Inherited from Curve.) |
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Contains(Point3d, Plane, Double) | Computes the relationship between a point and a closed curve region. This curve must be closed or the return value will be Unset. (Inherited from Curve.) |
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CurvatureAt | Evaluate the curvature vector at a curve parameter. (Inherited from Curve.) |
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DerivativeAt(Double, Int32) | Evaluate the derivatives at the specified curve parameter. (Inherited from Curve.) |
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DerivativeAt(Double, Int32, CurveEvaluationSide) | Evaluate the derivatives at the specified curve parameter. (Inherited from Curve.) |
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Dispose() | Actively reclaims unmanaged resources that this instance uses. (Inherited from CommonObject.) |
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Dispose(Boolean) |
For derived class implementers.
This method is called with argument true when class user calls Dispose(), while with argument false when the Garbage Collector invokes the finalizer, or Finalize() method.
You must reclaim all used unmanaged resources in both cases, and can use this chance to call Dispose on disposable fields if the argument is true. Also, you must call the base virtual method within your overriding method. (Inherited from Curve.) |
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DivideAsContour | Divides this curve at fixed steps along a defined contour line. (Inherited from Curve.) |
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DivideByCount(Int32, Boolean) | Divide the curve into a number of equal-length segments. (Inherited from Curve.) |
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DivideByCount(Int32, Boolean, Point3d[]) | Divide the curve into a number of equal-length segments. (Inherited from Curve.) |
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DivideByLength(Double, Boolean) | Divide the curve into specific length segments. (Inherited from Curve.) |
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DivideByLength(Double, Boolean, Point3d[]) | Divide the curve into specific length segments. (Inherited from Curve.) |
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DivideEquidistant | Calculates 3d points on a curve where the linear distance between the points is equal. (Inherited from Curve.) |
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Duplicate | Constructs an exact duplicate of this Curve. (Inherited from Curve.) |
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DuplicateCurve | Constructs an exact duplicate of this curve. (Inherited from Curve.) |
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DuplicateSegments | Polylines will be exploded into line segments. ExplodeCurves will return the curves in topological order. (Inherited from Curve.) |
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DuplicateShallow | Constructs a light copy of this object. By "light", it is meant that the same underlying data is used until something is done to attempt to change it. For example, you could have a shallow copy of a very heavy mesh object and the same underlying data will be used when doing things like inspecting the number of faces on the mesh. If you modify the location of one of the mesh vertices, the shallow copy will create a full duplicate of the underlying mesh data and the shallow copy will become a deep copy. (Inherited from GeometryBase.) |
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EnsurePrivateCopy | If you want to keep a copy of this class around by holding onto it in a variable after a command completes, call EnsurePrivateCopy to make sure that this class is not tied to the document. You can call this function as many times as you want. (Inherited from CommonObject.) |
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Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
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Extend(Interval) | Where possible, analytically extends curve to include the given domain. This will not work on closed curves. The original curve will be identical to the restriction of the resulting curve to the original curve domain. (Inherited from Curve.) |
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Extend(Double, Double) | Where possible, analytically extends curve to include the given domain. This will not work on closed curves. The original curve will be identical to the restriction of the resulting curve to the original curve domain. (Inherited from Curve.) |
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Extend(CurveEnd, CurveExtensionStyle, Point3d) | Extends a curve to a point. (Inherited from Curve.) |
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Extend(CurveEnd, CurveExtensionStyle, IEnumerable(GeometryBase)) | Extends a curve until it intersects a collection of objects. (Inherited from Curve.) |
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Extend(CurveEnd, Double, CurveExtensionStyle) | Extends a curve by a specific length. (Inherited from Curve.) |
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ExtendByArc | Extends a curve by an Arc until it intersects a collection of objects. (Inherited from Curve.) |
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ExtendByLine | Extends a curve by a line until it intersects a collection of objects. (Inherited from Curve.) |
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ExtendOnSurface(CurveEnd, BrepFace) | Extends a curve on a surface. (Inherited from Curve.) |
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ExtendOnSurface(CurveEnd, Surface) | Extends a curve on a surface. (Inherited from Curve.) |
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ExtremeParameters | Returns the parameter values of all local extrema. Parameter values are in increasing order so consecutive extrema define an interval on which each component of the curve is monotone. Note, non-periodic curves always return the end points. (Inherited from Curve.) |
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Fair | Fairs a curve object. Fair works best on degree 3 (cubic) curves. Attempts to remove large curvature variations while limiting the geometry changes to be no more than the specified tolerance. (Inherited from Curve.) |
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Finalize() | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
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Finalize() | Passively reclaims unmanaged resources when the class user did not explicitly call Dispose(). (Inherited from CommonObject.) |
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Fit | Fits a new curve through an existing curve. (Inherited from Curve.) |
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FrameAt | Returns a 3d frame at a parameter. (Inherited from Curve.) |
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GetBoundingBox(Boolean) | Boundingbox solver. Gets the world axis aligned boundingbox for the geometry. (Inherited from GeometryBase.) |
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GetBoundingBox(Plane) | Aligned Boundingbox solver. Gets the plane aligned boundingbox. (Inherited from GeometryBase.) |
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GetBoundingBox(Transform) | Aligned Boundingbox solver. Gets the world axis aligned boundingbox for the transformed geometry. (Inherited from GeometryBase.) |
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GetBoundingBox(Plane, Box) | Aligned Boundingbox solver. Gets the plane aligned boundingbox. (Inherited from GeometryBase.) |
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GetConicSectionType() | Returns the type of conic section based on the curve's shape. (Inherited from Curve.) |
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GetConicSectionType(Point3d, Point3d, Point3d) | Returns the type of conic section based on the curve's shape. (Inherited from Curve.) |
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GetCurveParameterFromNurbsFormParameter | Convert a NURBS curve parameter to a curve parameter. (Inherited from Curve.) |
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GetHashCode | Serves as the default hash function. (Inherited from Object.) |
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GetLength() | Gets the length of the curve with a fractional tolerance of 1.0e-8. (Inherited from Curve.) |
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GetLength(Double) | Get the length of the curve. (Inherited from Curve.) |
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GetLength(Interval) | Get the length of a sub-section of the curve with a fractional tolerance of 1e-8. (Inherited from Curve.) |
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GetLength(Double, Interval) | Get the length of a sub-section of the curve. (Inherited from Curve.) |
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GetNextDiscontinuity | Searches for a derivative, tangent, or curvature discontinuity. (Inherited from Curve.) |
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GetNurbsFormParameterFromCurveParameter | Convert a curve parameter to a NURBS curve parameter. (Inherited from Curve.) |
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GetObjectData | Populates a System.Runtime.Serialization.SerializationInfo with the data needed to serialize the target object. (Inherited from CommonObject.) |
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GetPerpendicularFrames | Gets a collection of perpendicular frames along the curve. Perpendicular frames are also known as 'Zero-twisting frames' and they minimize rotation from one frame to the next. (Inherited from Curve.) |
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GetType | Gets the Type of the current instance. (Inherited from Object.) |
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GetUserString | Gets user string from this geometry. (Inherited from GeometryBase.) |
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GetUserStrings | Gets a copy of all (user key string, user value string) pairs attached to this geometry. (Inherited from GeometryBase.) |
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HasNurbsForm | Does a NURBS curve representation of this curve exist? (Inherited from Curve.) |
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IsArc() | Test a curve to see if it can be represented by an arc or circle within RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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IsArc(Double) | Test a curve to see if it can be represented by an arc or circle within the given tolerance. (Inherited from Curve.) |
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IsCircle() | Test a curve to see if it can be represented by a circle within RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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IsCircle(Double) | Test a curve to see if it can be represented by a circle within the given tolerance. (Inherited from Curve.) |
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IsClosable(Double) | Decide if it makes sense to close off this curve by moving the endpoint to the start based on start-end gap size and length of curve as approximated by chord defined by 6 points. (Inherited from Curve.) |
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IsClosable(Double, Double, Double) | Decide if it makes sense to close off this curve by moving the endpoint to the start based on start-end gap size and length of curve as approximated by chord defined by 6 points. (Inherited from Curve.) |
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IsContinuous | Test continuity at a curve parameter value. (Inherited from Curve.) |
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IsEllipse() | Test a curve to see if it can be represented by an ellipse within RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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IsEllipse(Double) | Test a curve to see if it can be represented by an ellipse within a given tolerance. (Inherited from Curve.) |
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IsInPlane(Plane) | Test a curve to see if it lies in a specific plane. (Inherited from Curve.) |
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IsInPlane(Plane, Double) | Test a curve to see if it lies in a specific plane. (Inherited from Curve.) |
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IsLinear() | Test a curve to see if it is linear to within RhinoMath.ZeroTolerance units (1e-12). (Inherited from Curve.) |
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IsLinear(Double) | Test a curve to see if it is linear to within the custom tolerance. (Inherited from Curve.) |
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IsPlanar() | Test a curve for planarity. (Inherited from Curve.) |
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IsPlanar(Double) | Test a curve for planarity. (Inherited from Curve.) |
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IsPolyline | Several types of Curve can have the form of a polyline including a degree 1 NurbsCurve, a PolylineCurve, and a PolyCurve all of whose segments are some form of polyline. IsPolyline tests a curve to see if it can be represented as a polyline. (Inherited from Curve.) |
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IsShort(Double) | Used to quickly find short curves. (Inherited from Curve.) |
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IsShort(Double, Interval) | Used to quickly find short curves. (Inherited from Curve.) |
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IsValidWithLog | Determines if an object is valid. Also provides a report on errors if this object happens not to be valid. (Inherited from CommonObject.) |
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LengthParameter(Double, Double) | Gets the parameter along the curve which coincides with a given length along the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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LengthParameter(Double, Double, Interval) | Gets the parameter along the curve which coincides with a given length along the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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LengthParameter(Double, Double, Double) | Gets the parameter along the curve which coincides with a given length along the curve. (Inherited from Curve.) |
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LengthParameter(Double, Double, Double, Interval) | Gets the parameter along the curve which coincides with a given length along the curve. (Inherited from Curve.) |
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MakeClosed | If IsClosed, just return true. Otherwise, decide if curve can be closed as follows: Linear curves polylinear curves with 2 segments, Nurbs with 3 or less control points cannot be made closed. Also, if tolerance > 0 and the gap between start and end is larger than tolerance, curve cannot be made closed. Adjust the curve's endpoint to match its start point. (Inherited from Curve.) |
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MakeDeformable | If possible, converts the object into a form that can be accurately modified with "squishy" transformations like projections, shears, an non-uniform scaling. (Inherited from GeometryBase.) |
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MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
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MemoryEstimate | Computes an estimate of the number of bytes that this object is using in memory. (Inherited from GeometryBase.) |
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NonConstOperation |
For derived classes implementers.
Defines the necessary implementation to free the instance from being const.
(Inherited from Curve.) |
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NormalizedLengthParameter(Double, Double) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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NormalizedLengthParameter(Double, Double, Interval) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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NormalizedLengthParameter(Double, Double, Double) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. (Inherited from Curve.) |
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NormalizedLengthParameter(Double, Double, Double, Interval) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. (Inherited from Curve.) |
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NormalizedLengthParameters(Double[], Double) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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NormalizedLengthParameters(Double[], Double, Interval) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. A fractional tolerance of 1e-8 is used in this version of the function. (Inherited from Curve.) |
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NormalizedLengthParameters(Double[], Double, Double) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. (Inherited from Curve.) |
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NormalizedLengthParameters(Double[], Double, Double, Interval) | Input the parameter of the point on the curve that is a prescribed arc length from the start of the curve. (Inherited from Curve.) |
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Offset(Plane, Double, Double, CurveOffsetCornerStyle) | Offsets this curve. If you have a nice offset, then there will be one entry in the array. If the original curve had kinks or the offset curve had self intersections, you will get multiple segments in the offset_curves[] array. (Inherited from Curve.) |
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Offset(Point3d, Vector3d, Double, Double, CurveOffsetCornerStyle) | Offsets this curve. If you have a nice offset, then there will be one entry in the array. If the original curve had kinks or the offset curve had self intersections, you will get multiple segments in the offset_curves[] array. (Inherited from Curve.) |
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OffsetNormalToSurface | Finds a curve by offsetting an existing curve normal to a surface. The caller is responsible for ensuring that the curve lies on the input surface. (Inherited from Curve.) |
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OffsetOnSurface(BrepFace, Point2d, Double) |
Offset a curve on a brep face surface. This curve must lie on the surface.
This overload allows to specify a surface point at which the offset will pass.
(Inherited from Curve.) |
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OffsetOnSurface(BrepFace, Double, Double) | Offset this curve on a brep face surface. This curve must lie on the surface. (Inherited from Curve.) |
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OffsetOnSurface(Surface, Point2d, Double) |
Offset a curve on a surface. This curve must lie on the surface.
This overload allows to specify a surface point at which the offset will pass.
(Inherited from Curve.) |
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OffsetOnSurface(Surface, Double, Double) | Offset a curve on a surface. This curve must lie on the surface. (Inherited from Curve.) |
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OffsetOnSurface(BrepFace, Double[], Double[], Double) |
Offset a curve on a brep face surface. This curve must lie on the surface.
This overload allows to specify different offsets for different curve parameters.
(Inherited from Curve.) |
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OffsetOnSurface(Surface, Double[], Double[], Double) |
Offset this curve on a surface. This curve must lie on the surface.
This overload allows to specify different offsets for different curve parameters.
(Inherited from Curve.) |
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OnSwitchToNonConst | Is called when a non-const operation occurs. (Inherited from GeometryBase.) |
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Parameter | Gets a parameter at a specified index in the polyline curve. |
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PerpendicularFrameAt | Return a 3d frame at a parameter. This is slightly different than FrameAt in that the frame is computed in a way so there is minimal rotation from one frame to the next. (Inherited from Curve.) |
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Point | Gets a point at a specified index in the polyline curve. |
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PointAt | Evaluates point at a curve parameter. (Inherited from Curve.) |
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PointAtLength | Gets a point at a certain length along the curve. The length must be non-negative and less than or equal to the length of the curve. Lengths will not be wrapped when the curve is closed or periodic. (Inherited from Curve.) |
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PointAtNormalizedLength | Gets a point at a certain normalized length along the curve. The length must be between or including 0.0 and 1.0, where 0.0 equals the start of the curve and 1.0 equals the end of the curve. (Inherited from Curve.) |
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PullToBrepFace(BrepFace, Double) | Pulls this curve to a brep face and returns the result of that operation. (Inherited from Curve.) |
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PullToMesh | Makes a polyline approximation of the curve and gets the closest point on the mesh for each point on the curve. Then it "connects the points" so that you have a polyline on the mesh. (Inherited from Curve.) |
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Rebuild | Rebuild a curve with a specific point count. (Inherited from Curve.) |
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RemoveShortSegments | Looks for segments that are shorter than tolerance that can be removed. Does not change the domain, but it will change the relative parameterization. (Inherited from Curve.) |
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Reverse | Reverses the direction of the curve. (Inherited from Curve.) |
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Rotate | Rotates the object about the specified axis. A positive rotation angle results in a counter-clockwise rotation about the axis (right hand rule). (Inherited from GeometryBase.) |
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Scale | Scales the object by the specified factor. The scale is centered at the origin. (Inherited from GeometryBase.) |
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SetEndPoint | Forces the curve to end at a specified point. Not all curve types support this operation. (Inherited from Curve.) |
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SetParameter | Sets a parameter at a specified index in the polyline curve. |
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SetPoint | Sets a point at a specified index in the polyline curve. |
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SetStartPoint | Forces the curve to start at a specified point. Not all curve types support this operation. (Inherited from Curve.) |
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SetUserString | Attach a user string (key,value combination) to this geometry. (Inherited from GeometryBase.) |
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Simplify |
Returns a geometrically equivalent PolyCurve.
The PolyCurve has the following properties
(Inherited from Curve.) |
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SimplifyEnd | Same as SimplifyCurve, but simplifies only the last two segments at "side" end. (Inherited from Curve.) |
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SpanDomain | Get the domain of the curve span with the given index. Use the SpanCount property to test how many spans there are. (Inherited from Curve.) |
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Split(IEnumerable(Double)) | Splits (divides) the curve at a series of specified parameters. The parameter must be in the interior of the curve's domain. (Inherited from Curve.) |
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Split(Double) | Splits (divides) the curve at the specified parameter. The parameter must be in the interior of the curve's domain. (Inherited from Curve.) |
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Split(Brep, Double) | **Obsolete. ** Splits a curve into pieces using a polysurface. (Inherited from Curve.) |
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Split(Surface, Double) | **Obsolete. ** Splits a curve into pieces using a surface. (Inherited from Curve.) |
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Split(Brep, Double, Double) | Splits a curve into pieces using a polysurface. (Inherited from Curve.) |
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Split(Surface, Double, Double) | Splits a curve into pieces using a surface. (Inherited from Curve.) |
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TangentAt | Evaluates the unit tangent vector at a curve parameter. (Inherited from Curve.) |
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ToNurbsCurve() | Constructs a NURBS curve representation of this curve. (Inherited from Curve.) |
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ToNurbsCurve(Interval) | Constructs a NURBS curve representation of this curve. (Inherited from Curve.) |
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ToPolyline() | Returns the underlying Polyline, or points. |
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ToPolyline(Int32, Int32, Double, Double, Double, Double, Double, Double, Boolean) | Gets a polyline approximation of a curve. (Inherited from Curve.) |
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ToPolyline(Int32, Int32, Double, Double, Double, Double, Double, Double, Boolean, Interval) | Gets a polyline approximation of a curve. (Inherited from Curve.) |
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ToString | Returns a string that represents the current object. (Inherited from Object.) |
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Transform | Transforms the geometry. If the input Transform has a SimilarityType of OrientationReversing, you may want to consider flipping the transformed geometry after calling this function when it makes sense. For example, you may want to call Flip() on a Brep after transforming it. (Inherited from GeometryBase.) |
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Translate(Vector3d) | Translates the object along the specified vector. (Inherited from GeometryBase.) |
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Translate(Double, Double, Double) | Translates the object along the specified vector. (Inherited from GeometryBase.) |
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Trim(Interval) | Removes portions of the curve outside the specified interval. (Inherited from Curve.) |
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Trim(Double, Double) | Removes portions of the curve outside the specified interval. (Inherited from Curve.) |
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Trim(CurveEnd, Double) | Shortens a curve by a given length (Inherited from Curve.) |
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TryGetArc(Arc) | Try to convert this curve into an Arc using RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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TryGetArc(Arc, Double) | Try to convert this curve into an Arc using a custom tolerance. (Inherited from Curve.) |
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TryGetArc(Plane, Arc) | Try to convert this curve into an Arc using RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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TryGetArc(Plane, Arc, Double) | Try to convert this curve into an Arc using a custom tolerance. (Inherited from Curve.) |
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TryGetCircle(Circle) | Try to convert this curve into a circle using RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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TryGetCircle(Circle, Double) | Try to convert this curve into a Circle using a custom tolerance. (Inherited from Curve.) |
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TryGetEllipse(Ellipse) | Try to convert this curve into an Ellipse within RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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TryGetEllipse(Ellipse, Double) | Try to convert this curve into an Ellipse using a custom tolerance. (Inherited from Curve.) |
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TryGetEllipse(Plane, Ellipse) | Try to convert this curve into an Ellipse within RhinoMath.ZeroTolerance. (Inherited from Curve.) |
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TryGetEllipse(Plane, Ellipse, Double) | Try to convert this curve into an Ellipse using a custom tolerance. (Inherited from Curve.) |
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TryGetPlane(Plane) | Test a curve for planarity and return the plane. (Inherited from Curve.) |
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TryGetPlane(Plane, Double) | Test a curve for planarity and return the plane. (Inherited from Curve.) |
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TryGetPolyline(Polyline) | Several types of Curve can have the form of a polyline including a degree 1 NurbsCurve, a PolylineCurve, and a PolyCurve all of whose segments are some form of polyline. IsPolyline tests a curve to see if it can be represented as a polyline. (Inherited from Curve.) |
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TryGetPolyline(Polyline, Double[]) | Several types of Curve can have the form of a polyline including a degree 1 NurbsCurve, a PolylineCurve, and a PolyCurve all of whose segments are some form of polyline. IsPolyline tests a curve to see if it can be represented as a polyline. (Inherited from Curve.) |