InterpolationCurve3d Class
Interpolating curve.
- Derive from ProxyCurve
- Use a BSplineCurve3d as the proxy
Extends
Methods
| Name | Description | |
|---|---|---|
| clone(): InterpolationCurve3d | Return a deep clone | |
| cloneProps(): InterpolationCurve3dProps | Clone the InterpolationCurve3dProps object in this InterpolationCurve3d | |
| copyFitPointsFloat64Array(): Float64Array | Return a (copy of) the defining points, packed as a Float64Array | |
| dispatchToGeometryHandler(handler: GeometryHandler): any | Double Dispatch call pattern. | |
| isAlmostEqual(other: GeometryQuery): boolean | Test for exact structure and nearly identical geometry. | |
| isSameGeometryClass(other: GeometryQuery): boolean | Test if other is also an InterpolationCurve3d |
|
| reverseInPlace(): void | Reverse the curve direction. | |
| toJSON(): any | Return json key-value pairs for for this InterpolationCurve3d. | |
| tryTransformInPlace(transform: Transform): boolean | Transform this InterpolationCurve3d and its defining data in place | |
| create(options: InterpolationCurve3dProps | InterpolationCurve3dOptions): undefined | InterpolationCurve3d Static | Create an InterpolationCurve3d based on points, knots, and other properties in the InterpolationCurve3dProps or InterpolationCurve3dOptions. | |
| createCapture(options: InterpolationCurve3dOptions): undefined | InterpolationCurve3d Static | Create an InterpolationCurve3d |
Inherited methods
| Name | Inherited from | Description |
|---|---|---|
| addMappedStrokesToLineString3D(map: StrokeCountMap, linestring: LineString3d): number Inherited | ProxyCurve | Evaluate strokes at fractions indicated in a StrokeCountMap. |
| announceClipIntervals(_clipper: Clipper, _announce?: AnnounceNumberNumberCurvePrimitive): boolean Inherited | ProxyCurve | Find intervals of this curvePrimitive that are interior to a clipper |
| appendPlaneIntersectionPoints(plane: PlaneAltitudeEvaluator, result: CurveLocationDetail[]): number Inherited | ProxyCurve | Compute intersections of the curve with a plane. |
| clonePartialCurve(fractionA: number, fractionB: number): undefined | CurvePrimitive Inherited | ProxyCurve | Implement by proxyCurve. |
| cloneTransformed(transform: Transform): undefined | ProxyCurve Inherited | ProxyCurve | Return a transformed clone. |
| closestPoint(spacePoint: Point3d, extend: VariantCurveExtendParameter, result?: CurveLocationDetail): undefined | CurveLocationDetail Inherited | ProxyCurve | Search for a point on the curve that is closest to the spacePoint. |
| collectCurvePrimitives(collectorArray?: CurvePrimitive[], smallestPossiblePrimitives: booleanfalse, explodeLinestrings: booleanfalse): CurvePrimitive[] Inherited | ProxyCurve | Return an array containing only the curve primitives. |
| collectCurvePrimitivesGo(collectorArray: CurvePrimitive[], _smallestPossiblePrimitives: boolean, _explodeLinestrings: booleanfalse): void Inherited | ProxyCurve | Return an array containing only the curve primitives. |
| computeAndAttachRecursiveStrokeCounts(options?: StrokeOptions, parentMap?: StrokeCountMap): void Inherited | ProxyCurve | Attach StrokeCountMap structure to this primitive (and recursively to any children) |
| computeStrokeCountForOptions(options?: StrokeOptions): number Inherited | ProxyCurve | Implement by proxyCurve |
| constructOffsetXY(offsetDistanceOrOptions: number | OffsetOptions): undefined | CurvePrimitive | CurvePrimitive[] Inherited | ProxyCurve | Implement by proxyCurve |
| curveLength(): number Inherited | ProxyCurve | Return the length of the curve. |
| curveLengthBetweenFractions(fraction0: number, fraction1: number): number Inherited | ProxyCurve | Returns a (high accuracy) length of the curve between fractional positions. |
| curveLengthWithFixedIntervalCountQuadrature(fraction0: number, fraction1: number, numInterval: number, numGauss: number5): number Inherited | ProxyCurve | Run an integration (with a default Gaussian quadrature) with a fixed fractional step |
| emitStrokableParts(dest: IStrokeHandler, options?: StrokeOptions): void Inherited | ProxyCurve | Implement by proxyCurve |
| emitStrokes(dest: LineString3d, options?: StrokeOptions): void Inherited | ProxyCurve | Implement by proxyCurve |
| endPoint(result?: Point3d): Point3d Inherited | ProxyCurve | Return the end point of the primitive. |
| extendRange(rangeToExtend: Range3d, transform?: Transform): void Inherited | ProxyCurve | Implement by proxyCurve |
| fractionAndDistanceToPointOnTangent(fraction: number, distance: number): Point3d Inherited | ProxyCurve | Construct a point extrapolated along tangent at fraction. |
| fractionToCurvature(fraction: number): undefined | number Inherited | ProxyCurve | Returns the (absolute) curvature magnitude. |
| fractionToFrenetFrame(fraction: number, result?: Transform): undefined | Transform Inherited | ProxyCurve | Construct a frenet frame: |
| fractionToPoint(fraction: number, result?: Point3d): Point3d Inherited | ProxyCurve | Implement by proxyCurve |
| fractionToPointAnd2Derivatives(fraction: number, result?: Plane3dByOriginAndVectors): undefined | Plane3dByOriginAndVectors Inherited | ProxyCurve | Implement by proxyCurve |
| fractionToPointAndDerivative(fraction: number, result?: Ray3d): Ray3d Inherited | ProxyCurve | Implement by proxyCurve |
| fractionToPointAndUnitTangent(fraction: number, result?: Ray3d): Ray3d Inherited | ProxyCurve | Returns a ray whose origin is the curve point and direction is the unit tangent. |
| fractionToSignedXYRadiusOfCurvature(fraction: number): number Inherited | ProxyCurve | Construct signed distance from a point on the planar curve to its center of curvature (in xy only). |
| getFractionToDistanceScale(): undefined | number Inherited | ProxyCurve | If the curve primitive has distance-along-curve strictly proportional to curve fraction, return the scale factor. |
| isInPlane(plane: Plane3dByOriginAndUnitNormal): boolean Inherited | ProxyCurve | Implement by proxyCurve |
| moveSignedDistanceFromFraction(startFraction: number, signedDistance: number, allowExtension: boolean, result?: CurveLocationDetail): CurveLocationDetail Inherited | ProxyCurve | (Attempt to) find a position on the curve at a signed distance from start fraction. |
| moveSignedDistanceFromFractionGeneric(startFraction: number, signedDistance: number, allowExtension: boolean, result?: CurveLocationDetail): CurveLocationDetail Protected Inherited | ProxyCurve | Generic algorithm to search for point at signed distance from a fractional startPoint. |
| projectedParameterRange(ray: Vector3d | Ray3d, lowHigh?: Range1d): undefined | Range1d Inherited | ProxyCurve | Implement by proxyCurve |
| quickLength(): number Inherited | ProxyCurve | Implement by proxyCurve |
| range(transform?: Transform, result?: Range3d): Range3d Inherited | ProxyCurve | Implement by proxyCurve |
| rangeBetweenFractions(fraction0: number, fraction1: number, transform?: Transform): Range3d Inherited | ProxyCurve | Returns a (high accuracy) range of the curve between fractional positions |
| rangeBetweenFractionsByClone(fraction0: number, fraction1: number, transform?: Transform): Range3d Inherited | ProxyCurve | Returns a (high accuracy) range of the curve between fractional positions |
| rangeBetweenFractionsByCount(fraction0: number, fraction1: number, count: number, transform?: Transform, extrapolationFactor: number0.0): Range3d Inherited | ProxyCurve | Returns an approximate range based on a fixed number of evaluations |
| startPoint(result?: Point3d): Point3d Inherited | ProxyCurve | Return the startPoint of the primitive. |
| tryTranslateInPlace(dx: number, dy: number0.0, dz: number0.0): boolean Inherited | ProxyCurve | Try to move the geometry by dx,dy,dz. |
| areAlmostEqual(a: GeometryQuery, b: GeometryQuery): boolean Static Inherited | ProxyCurve | Apply instance method isAlmostEqual if both are defined. |
| installStrokeCountMap(curve: CurvePrimitive, curveMap: StrokeCountMap, parentMap?: StrokeCountMap): void Static Inherited | ProxyCurve | Final install step to save curveMap in curve. |
Properties
| Name | Type | Description | |
|---|---|---|---|
| curvePrimitiveType Readonly | "interpolationCurve" | String name for schema properties | |
| options Accessor ReadOnly | InterpolationCurve3dOptions | return the options pointer |
Inherited properties
| Name | Type | Inherited from | Description |
|---|---|---|---|
| _proxyCurve Protected Inherited | CurvePrimitive | ProxyCurve | |
| children Accessor Inherited ReadOnly | undefined | GeometryQuery[] | ProxyCurve | Return GeometryQuery children for recursive queries. * leaf classes do not need to implement. |
| geometryCategory Readonly Inherited | "curvePrimitive" | ProxyCurve | String name for schema properties |
| isExtensibleFractionSpace Accessor Inherited ReadOnly | boolean | ProxyCurve | * Returns true if the curve can be easily extended past its start/end point (i.e., beyond the usual fraction space [0,1]). Otherwise, returns false. * Base class default implementation returns false. * These classes (and perhaps others in the future) will return true: * LineSegment3d * LineString3d * Arc3d |
| parent Inherited | any | undefined | ProxyCurve | Data attached by various algorithms (e.g. |
| proxyCurve Accessor Inherited ReadOnly | CurvePrimitive | ProxyCurve | Return the (pointer to) the proxy curve. |
| strokeData Inherited | StrokeCountMap | undefined | ProxyCurve | Data attached during stroking for facets. |
Defined in
- bspline/InterpolationCurve3d.ts Line 242
Last Updated: 24 June, 2025
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