RhinoCommon API
Namespaces
Rhino.Geometry
Curve Class
Curve Methods
ChangeClosedCurveSeam Method
ChangeDimension Method
ClosedCurveOrientation Method
ClosestPoint Method
ClosestPoints Method
CombineShortSegments Method
Contains Method
ControlPolygon Method
CreateArcBlend Method
CreateArcCornerRectangle Method
CreateArcLineArcBlend Method
CreateBlendCurve Method
CreateBooleanDifference Method
CreateBooleanIntersection Method
CreateBooleanRegions Method
CreateBooleanUnion Method
CreateCatenaryCurveFromApex Method
CreateCatenaryCurveFromLength Method
CreateCatenaryCurveFromParameter Method
CreateCatenaryCurveThroughPoint Method
CreateConicCornerRectangle Method
CreateControlPointCurve Method
CreateCurve2View Method
CreateFillet Method
CreateFilletCornersCurve Method
CreateFilletCurves Method
CreateInterpolatedCurve Method
CreateMatchCurve Method
CreateMeanCurve Method
CreateNurbsCurveFit Method
CreatePeriodicCurve Method
CreateRevisionCloud Method
CreateSoftEditCurve Method
CreateTextOutlines Method
CreateTweenCurves Method
CreateTweenCurvesWithMatching Method
CreateTweenCurvesWithSampling Method
CurvatureAt Method
DerivativeAt Method
Dispose Method
DivideAsContour Method
DivideByCount Method
DivideByLength Method
DivideEquidistant Method
DoDirectionsMatch Method
Duplicate Method
DuplicateCurve Method
DuplicateSegments Method
Extend Method
ExtendByArc Method
ExtendByLine Method
ExtendOnSurface Method
ExtremeParameters Method
Fair Method
FilletSurfaceToCurve Method
FilletSurfaceToRail Method
FindLocalInflection Method
Fit Method
FrameAt Method
GetConicSectionType Method
GetCurveParameterFromNurbsFormParameter Method
GetDistancesBetweenCurves Method
GetFilletPoints Method
GetLength Method
GetLocalPerpPoint Method
GetLocalTangentPoint Method
GetNextDiscontinuity Method
GetNurbsFormParameterFromCurveParameter Method
GetPerpendicularFrames Method
GetSubCurves Method
HasNurbsForm Method
InflectionPoints Method
IsArc Method
IsCircle Method
IsClosable Method
IsContinuous Method
IsEllipse Method
IsInPlane Method
IsLinear Method
IsPlanar Method
IsPolyline Method
IsShort Method
JoinCurves Method
LengthParameter Method
LocalClosestPoint Method
MakeClosed Method
MakeEndsMeet Method
MaxCurvaturePoints Method
NonConstOperation Method
NormalizedLengthParameter Method
NormalizedLengthParameters Method
Offset Method
OffsetNormalToSurface Method
OffsetOnSurface Method
OffsetTangentToSurface Method
PerpendicularFrameAt Method
PlanarClosedCurveRelationship Method
PlanarCurveCollision Method
PointAt Method
PointAtLength Method
PointAtNormalizedLength Method
ProjectToBrep Method
ProjectToMesh Method
ProjectToPlane Method
PullToBrepFace Method
PullToMesh Method
Rebuild Method
RebuildToMatchTemplateCurve Method
RemoveShortSegments Method
Repair Method
Reparameterize Method
Reverse Method
RibbonOffset Method
SetEndPoint Method
SetStartPoint Method
Simplify Method
SimplifyEnd Method
Smooth Method
SortCurves Method
SpanDomain Method
SpanVector Method
Split Method
TangentAt Method
ToArcsAndLines Method
ToNurbsCurve Method
ToPolyline Method
TorsionAt Method
Trim Method
TrimInterval Method
TryGetArc Method
TryGetCircle Method
TryGetEllipse Method
TryGetPlane Method
TryGetPolyline Method
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CurveCreateCatenaryCurveThroughPoint Method

Generate a catenary curve through a point

Namespace:  Rhino.Geometry
Assembly:  RhinoCommon (in RhinoCommon.dll)
Syntax
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public static Curve CreateCatenaryCurveThroughPoint(
	Point3d catenary_start,
	Point3d catenary_end,
	Vector3d axis_dir,
	Point3d through_point,
	bool bSmooth,
	int point_count,
	out Point3d apex_out,
	out double parameter_out,
	out double length_out,
	out double max_deviation_out
)

Parameters

catenary_start
Type: Rhino.GeometryPoint3d
catenary start point
catenary_end
Type: Rhino.GeometryPoint3d
catenary end point
axis_dir
Type: Rhino.GeometryVector3d
catenary axis/gravity direction
through_point
Type: Rhino.GeometryPoint3d
point on the catenary between catenary_start and catenary_end
bSmooth
Type: SystemBoolean
if false generates polyline output
point_count
Type: SystemInt32
number of points in the output curve
apex_out
Type: Rhino.GeometryPoint3d
apex point of the output catenary curve
parameter_out
Type: SystemDouble
output catenary parameter "a" in the formula y = a * cosh(x/a)
length_out
Type: SystemDouble
output catenary length
max_deviation_out
Type: SystemDouble
sampled max deviation between the output curve and the analytic catenary

Return Value

Type: Curve
A catenary Curve or null if unsuccessful
See Also